diff options
59 files changed, 2590 insertions, 517 deletions
diff --git a/Documentation/devicetree/bindings/clock/arm,syscon-icst.yaml b/Documentation/devicetree/bindings/clock/arm,syscon-icst.yaml new file mode 100644 index 000000000000..de9a465096db --- /dev/null +++ b/Documentation/devicetree/bindings/clock/arm,syscon-icst.yaml @@ -0,0 +1,103 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/arm,syscon-icst.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ARM System Controller ICST Clocks + +maintainers: + - Linus Walleij <[email protected]> + +description: | + The ICS525 and ICS307 oscillators are produced by Integrated + Devices Technology (IDT). ARM integrated these oscillators deeply into their + reference designs by adding special control registers that manage such + oscillators to their system controllers. + + The various ARM system controllers contain logic to serialize and initialize + an ICST clock request after a write to the 32 bit register at an offset + into the system controller. Furthermore, to even be able to alter one of + these frequencies, the system controller must first be unlocked by + writing a special token to another offset in the system controller. + + Some ARM hardware contain special versions of the serial interface that only + connects the low 8 bits of the VDW (missing one bit), hard-wires RDW to + different values and sometimes also hard-wires the output divider. They + therefore have special compatible strings as per this table (the OD value is + the value on the pins, not the resulting output divider). + + In the core modules and logic tiles, the ICST is a configurable clock fed + from a 24 MHz clock on the motherboard (usually the main crystal) used for + generating e.g. video clocks. It is located on the core module and there is + only one of these. This clock node must be a subnode of the core module. + + Hardware variant RDW OD VDW + + Integrator/AP 22 1 Bit 8 0, rest variable + integratorap-cm + + Integrator/AP 46 3 Bit 8 0, rest variable + integratorap-sys + + Integrator/AP 22 or 1 17 or (33 or 25 MHz) + integratorap-pci 14 1 14 + + Integrator/CP 22 variable Bit 8 0, rest variable + integratorcp-cm-core + + Integrator/CP 22 variable Bit 8 0, rest variable + integratorcp-cm-mem + + The ICST oscillator must be provided inside a system controller node. + +properties: + "#clock-cells": + const: 0 + + compatible: + enum: + - arm,syscon-icst525 + - arm,syscon-icst307 + - arm,syscon-icst525-integratorap-cm + - arm,syscon-icst525-integratorap-sys + - arm,syscon-icst525-integratorap-pci + - arm,syscon-icst525-integratorcp-cm-core + - arm,syscon-icst525-integratorcp-cm-mem + - arm,integrator-cm-auxosc + - arm,versatile-cm-auxosc + - arm,impd-vco1 + - arm,impd-vco2 + + clocks: + description: Parent clock for the ICST VCO + maxItems: 1 + + clock-output-names: + maxItems: 1 + + lock-offset: + $ref: '/schemas/types.yaml#/definitions/uint32' + description: Offset to the unlocking register for the oscillator + + vco-offset: + $ref: '/schemas/types.yaml#/definitions/uint32' + description: Offset to the VCO register for the oscillator + +required: + - "#clock-cells" + - compatible + - clocks + +examples: + - | + vco1: clock@00 { + compatible = "arm,impd1-vco1"; + #clock-cells = <0>; + lock-offset = <0x08>; + vco-offset = <0x00>; + clocks = <&sysclk>; + clock-output-names = "IM-PD1-VCO1"; + }; + +... diff --git a/Documentation/devicetree/bindings/clock/arm-integrator.txt b/Documentation/devicetree/bindings/clock/arm-integrator.txt deleted file mode 100644 index 11f5f95f571b..000000000000 --- a/Documentation/devicetree/bindings/clock/arm-integrator.txt +++ /dev/null @@ -1,34 +0,0 @@ -Clock bindings for ARM Integrator and Versatile Core Module clocks - -Auxiliary Oscillator Clock - -This is a configurable clock fed from a 24 MHz chrystal, -used for generating e.g. video clocks. It is located on the -core module and there is only one of these. - -This clock node *must* be a subnode of the core module, since -it obtains the base address for it's address range from its -parent node. - - -Required properties: -- compatible: must be "arm,integrator-cm-auxosc" or "arm,versatile-cm-auxosc" -- #clock-cells: must be <0> - -Optional properties: -- clocks: parent clock(s) - -Example: - -core-module@10000000 { - xtal24mhz: xtal24mhz@24M { - #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <24000000>; - }; - auxosc: cm_aux_osc@25M { - #clock-cells = <0>; - compatible = "arm,integrator-cm-auxosc"; - clocks = <&xtal24mhz>; - }; -}; diff --git a/Documentation/devicetree/bindings/clock/arm-syscon-icst.txt b/Documentation/devicetree/bindings/clock/arm-syscon-icst.txt deleted file mode 100644 index 4cd81742038f..000000000000 --- a/Documentation/devicetree/bindings/clock/arm-syscon-icst.txt +++ /dev/null @@ -1,70 +0,0 @@ -ARM System Controller ICST clocks - -The ICS525 and ICS307 oscillators are produced by Integrated Devices -Technology (IDT). ARM integrated these oscillators deeply into their -reference designs by adding special control registers that manage such -oscillators to their system controllers. - -The various ARM system controllers contain logic to serialize and initialize -an ICST clock request after a write to the 32 bit register at an offset -into the system controller. Furthermore, to even be able to alter one of -these frequencies, the system controller must first be unlocked by -writing a special token to another offset in the system controller. - -Some ARM hardware contain special versions of the serial interface that only -connects the low 8 bits of the VDW (missing one bit), hardwires RDW to -different values and sometimes also hardwire the output divider. They -therefore have special compatible strings as per this table (the OD value is -the value on the pins, not the resulting output divider): - -Hardware variant: RDW OD VDW - -Integrator/AP 22 1 Bit 8 0, rest variable -integratorap-cm - -Integrator/AP 46 3 Bit 8 0, rest variable -integratorap-sys - -Integrator/AP 22 or 1 17 or (33 or 25 MHz) -integratorap-pci 14 1 14 - -Integrator/CP 22 variable Bit 8 0, rest variable -integratorcp-cm-core - -Integrator/CP 22 variable Bit 8 0, rest variable -integratorcp-cm-mem - -The ICST oscillator must be provided inside a system controller node. - -Required properties: -- compatible: must be one of - "arm,syscon-icst525" - "arm,syscon-icst307" - "arm,syscon-icst525-integratorap-cm" - "arm,syscon-icst525-integratorap-sys" - "arm,syscon-icst525-integratorap-pci" - "arm,syscon-icst525-integratorcp-cm-core" - "arm,syscon-icst525-integratorcp-cm-mem" -- lock-offset: the offset address into the system controller where the - unlocking register is located -- vco-offset: the offset address into the system controller where the - ICST control register is located (even 32 bit address) -- #clock-cells: must be <0> -- clocks: parent clock, since the ICST needs a parent clock to derive its - frequency from, this attribute is compulsory. - -Example: - -syscon: syscon@10000000 { - compatible = "syscon"; - reg = <0x10000000 0x1000>; - - oscclk0: osc0@c { - compatible = "arm,syscon-icst307"; - #clock-cells = <0>; - lock-offset = <0x20>; - vco-offset = <0x0c>; - clocks = <&xtal24mhz>; - }; - (...) -}; diff --git a/Documentation/devicetree/bindings/clock/marvell,mmp2-clock.yaml b/Documentation/devicetree/bindings/clock/marvell,mmp2-clock.yaml new file mode 100644 index 000000000000..e2b6ac96bbcb --- /dev/null +++ b/Documentation/devicetree/bindings/clock/marvell,mmp2-clock.yaml @@ -0,0 +1,64 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/marvell,mmp2-clock.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Marvell MMP2 and MMP3 Clock Controller + +maintainers: + - Lubomir Rintel <[email protected]> + +description: | + The clock subsystem on MMP2 or MMP3 generates and supplies clock to various + controllers within the SoC. + + Each clock is assigned an identifier and client nodes use this identifier + to specify the clock which they consume. + + All these identifiers could be found in <dt-bindings/clock/marvell,mmp2.h>. + +properties: + compatible: + enum: + - marvell,mmp2-clock # controller compatible with MMP2 SoC + - marvell,mmp3-clock # controller compatible with MMP3 SoC + + reg: + items: + - description: MPMU register region + - description: APMU register region + - description: APBC register region + + reg-names: + items: + - const: mpmu + - const: apmu + - const: apbc + + '#clock-cells': + const: 1 + + '#reset-cells': + const: 1 + +required: + - compatible + - reg + - reg-names + - '#clock-cells' + - '#reset-cells' + +additionalProperties: false + +examples: + - | + clock-controller@d4050000 { + compatible = "marvell,mmp2-clock"; + reg = <0xd4050000 0x1000>, + <0xd4282800 0x400>, + <0xd4015000 0x1000>; + reg-names = "mpmu", "apmu", "apbc"; + #clock-cells = <1>; + #reset-cells = <1>; + }; diff --git a/Documentation/devicetree/bindings/clock/marvell,mmp2.txt b/Documentation/devicetree/bindings/clock/marvell,mmp2.txt deleted file mode 100644 index 23b52dc02266..000000000000 --- a/Documentation/devicetree/bindings/clock/marvell,mmp2.txt +++ /dev/null @@ -1,21 +0,0 @@ -* Marvell MMP2 Clock Controller - -The MMP2 clock subsystem generates and supplies clock to various -controllers within the MMP2 SoC. - -Required Properties: - -- compatible: should be one of the following. - - "marvell,mmp2-clock" - controller compatible with MMP2 SoC. - -- reg: physical base address of the clock subsystem and length of memory mapped - region. There are 3 places in SOC has clock control logic: - "mpmu", "apmu", "apbc". So three reg spaces need to be defined. - -- #clock-cells: should be 1. -- #reset-cells: should be 1. - -Each clock is assigned an identifier and client nodes use this identifier -to specify the clock which they consume. - -All these identifiers could be found in <dt-bindings/clock/marvell,mmp2.h>. diff --git a/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.txt b/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.txt deleted file mode 100644 index f4d153f24a0f..000000000000 --- a/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.txt +++ /dev/null @@ -1,100 +0,0 @@ -* Renesas Clock Pulse Generator / Module Standby and Software Reset - -On Renesas ARM SoCs (SH/R-Mobile, R-Car, RZ), the CPG (Clock Pulse Generator) -and MSSR (Module Standby and Software Reset) blocks are intimately connected, -and share the same register block. - -They provide the following functionalities: - - The CPG block generates various core clocks, - - The MSSR block provides two functions: - 1. Module Standby, providing a Clock Domain to control the clock supply - to individual SoC devices, - 2. Reset Control, to perform a software reset of individual SoC devices. - -Required Properties: - - compatible: Must be one of: - - "renesas,r7s9210-cpg-mssr" for the r7s9210 SoC (RZ/A2) - - "renesas,r8a7743-cpg-mssr" for the r8a7743 SoC (RZ/G1M) - - "renesas,r8a7744-cpg-mssr" for the r8a7744 SoC (RZ/G1N) - - "renesas,r8a7745-cpg-mssr" for the r8a7745 SoC (RZ/G1E) - - "renesas,r8a77470-cpg-mssr" for the r8a77470 SoC (RZ/G1C) - - "renesas,r8a774a1-cpg-mssr" for the r8a774a1 SoC (RZ/G2M) - - "renesas,r8a774b1-cpg-mssr" for the r8a774b1 SoC (RZ/G2N) - - "renesas,r8a774c0-cpg-mssr" for the r8a774c0 SoC (RZ/G2E) - - "renesas,r8a7790-cpg-mssr" for the r8a7790 SoC (R-Car H2) - - "renesas,r8a7791-cpg-mssr" for the r8a7791 SoC (R-Car M2-W) - - "renesas,r8a7792-cpg-mssr" for the r8a7792 SoC (R-Car V2H) - - "renesas,r8a7793-cpg-mssr" for the r8a7793 SoC (R-Car M2-N) - - "renesas,r8a7794-cpg-mssr" for the r8a7794 SoC (R-Car E2) - - "renesas,r8a7795-cpg-mssr" for the r8a7795 SoC (R-Car H3) - - "renesas,r8a7796-cpg-mssr" for the r8a77960 SoC (R-Car M3-W) - - "renesas,r8a77961-cpg-mssr" for the r8a77961 SoC (R-Car M3-W+) - - "renesas,r8a77965-cpg-mssr" for the r8a77965 SoC (R-Car M3-N) - - "renesas,r8a77970-cpg-mssr" for the r8a77970 SoC (R-Car V3M) - - "renesas,r8a77980-cpg-mssr" for the r8a77980 SoC (R-Car V3H) - - "renesas,r8a77990-cpg-mssr" for the r8a77990 SoC (R-Car E3) - - "renesas,r8a77995-cpg-mssr" for the r8a77995 SoC (R-Car D3) - - - reg: Base address and length of the memory resource used by the CPG/MSSR - block - - - clocks: References to external parent clocks, one entry for each entry in - clock-names - - clock-names: List of external parent clock names. Valid names are: - - "extal" (r7s9210, r8a7743, r8a7744, r8a7745, r8a77470, r8a774a1, - r8a774b1, r8a774c0, r8a7790, r8a7791, r8a7792, r8a7793, - r8a7794, r8a7795, r8a77960, r8a77961, r8a77965, r8a77970, - r8a77980, r8a77990, r8a77995) - - "extalr" (r8a774a1, r8a774b1, r8a7795, r8a77960, r8a77961, r8a77965, - r8a77970, r8a77980) - - "usb_extal" (r8a7743, r8a7744, r8a7745, r8a77470, r8a7790, r8a7791, - r8a7793, r8a7794) - - - #clock-cells: Must be 2 - - For CPG core clocks, the two clock specifier cells must be "CPG_CORE" - and a core clock reference, as defined in - <dt-bindings/clock/*-cpg-mssr.h>. - - For module clocks, the two clock specifier cells must be "CPG_MOD" and - a module number, as defined in the datasheet. - - - #power-domain-cells: Must be 0 - - SoC devices that are part of the CPG/MSSR Clock Domain and can be - power-managed through Module Standby should refer to the CPG device - node in their "power-domains" property, as documented by the generic PM - Domain bindings in - Documentation/devicetree/bindings/power/power-domain.yaml. - - - #reset-cells: Must be 1 - - The single reset specifier cell must be the module number, as defined - in the datasheet. - - -Examples --------- - - - CPG device node: - - cpg: clock-controller@e6150000 { - compatible = "renesas,r8a7795-cpg-mssr"; - reg = <0 0xe6150000 0 0x1000>; - clocks = <&extal_clk>, <&extalr_clk>; - clock-names = "extal", "extalr"; - #clock-cells = <2>; - #power-domain-cells = <0>; - #reset-cells = <1>; - }; - - - - CPG/MSSR Clock Domain member device node: - - scif2: serial@e6e88000 { - compatible = "renesas,scif-r8a7795", "renesas,scif"; - reg = <0 0xe6e88000 0 64>; - interrupts = <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&cpg CPG_MOD 310>; - clock-names = "fck"; - dmas = <&dmac1 0x13>, <&dmac1 0x12>; - dma-names = "tx", "rx"; - power-domains = <&cpg>; - resets = <&cpg 310>; - }; diff --git a/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.yaml b/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.yaml new file mode 100644 index 000000000000..9cd102e5fed5 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.yaml @@ -0,0 +1,119 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/clock/renesas,cpg-mssr.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Renesas Clock Pulse Generator / Module Standby and Software Reset + +maintainers: + - Geert Uytterhoeven <[email protected]> + +description: | + On Renesas ARM SoCs (SH/R-Mobile, R-Car, RZ), the CPG (Clock Pulse Generator) + and MSSR (Module Standby and Software Reset) blocks are intimately connected, + and share the same register block. + + They provide the following functionalities: + - The CPG block generates various core clocks, + - The MSSR block provides two functions: + 1. Module Standby, providing a Clock Domain to control the clock supply + to individual SoC devices, + 2. Reset Control, to perform a software reset of individual SoC devices. + +properties: + compatible: + enum: + - renesas,r7s9210-cpg-mssr # RZ/A2 + - renesas,r8a7743-cpg-mssr # RZ/G1M + - renesas,r8a7744-cpg-mssr # RZ/G1N + - renesas,r8a7745-cpg-mssr # RZ/G1E + - renesas,r8a77470-cpg-mssr # RZ/G1C + - renesas,r8a774a1-cpg-mssr # RZ/G2M + - renesas,r8a774b1-cpg-mssr # RZ/G2N + - renesas,r8a774c0-cpg-mssr # RZ/G2E + - renesas,r8a7790-cpg-mssr # R-Car H2 + - renesas,r8a7791-cpg-mssr # R-Car M2-W + - renesas,r8a7792-cpg-mssr # R-Car V2H + - renesas,r8a7793-cpg-mssr # R-Car M2-N + - renesas,r8a7794-cpg-mssr # R-Car E2 + - renesas,r8a7795-cpg-mssr # R-Car H3 + - renesas,r8a7796-cpg-mssr # R-Car M3-W + - renesas,r8a77961-cpg-mssr # R-Car M3-W+ + - renesas,r8a77965-cpg-mssr # R-Car M3-N + - renesas,r8a77970-cpg-mssr # R-Car V3M + - renesas,r8a77980-cpg-mssr # R-Car V3H + - renesas,r8a77990-cpg-mssr # R-Car E3 + - renesas,r8a77995-cpg-mssr # R-Car D3 + + reg: + maxItems: 1 + + clocks: + minItems: 1 + maxItems: 2 + + clock-names: + minItems: 1 + maxItems: 2 + items: + enum: + - extal # All + - extalr # Most R-Car Gen3 and RZ/G2 + - usb_extal # Most R-Car Gen2 and RZ/G1 + + '#clock-cells': + description: | + - For CPG core clocks, the two clock specifier cells must be "CPG_CORE" + and a core clock reference, as defined in + <dt-bindings/clock/*-cpg-mssr.h> + - For module clocks, the two clock specifier cells must be "CPG_MOD" and + a module number, as defined in the datasheet. + const: 2 + + '#power-domain-cells': + description: + SoC devices that are part of the CPG/MSSR Clock Domain and can be + power-managed through Module Standby should refer to the CPG device node + in their "power-domains" property, as documented by the generic PM Domain + bindings in Documentation/devicetree/bindings/power/power-domain.yaml. + const: 0 + + '#reset-cells': + description: + The single reset specifier cell must be the module number, as defined in + the datasheet. + const: 1 + +if: + not: + properties: + compatible: + items: + enum: + - renesas,r7s9210-cpg-mssr +then: + required: + - '#reset-cells' + +required: + - compatible + - reg + - clocks + - clock-names + - '#clock-cells' + - '#power-domain-cells' + +additionalProperties: false + +examples: + - | + cpg: clock-controller@e6150000 { + compatible = "renesas,r8a7795-cpg-mssr"; + reg = <0xe6150000 0x1000>; + clocks = <&extal_clk>, <&extalr_clk>; + clock-names = "extal", "extalr"; + #clock-cells = <2>; + #power-domain-cells = <0>; + #reset-cells = <1>; + }; diff --git a/Documentation/devicetree/bindings/clock/renesas,rcar-usb2-clock-sel.txt b/Documentation/devicetree/bindings/clock/renesas,rcar-usb2-clock-sel.txt index 83f6c6a7c41c..4bf6f53bd95e 100644 --- a/Documentation/devicetree/bindings/clock/renesas,rcar-usb2-clock-sel.txt +++ b/Documentation/devicetree/bindings/clock/renesas,rcar-usb2-clock-sel.txt @@ -38,10 +38,17 @@ Required properties: - reg: offset and length of the USB 2.0 clock selector register block. - clocks: A list of phandles and specifier pairs. - clock-names: Name of the clocks. - - The functional clock must be "ehci_ohci" + - The functional clock of USB 2.0 host side must be "ehci_ohci" + - The functional clock of HS-USB side must be "hs-usb-if" - The USB_EXTAL clock pin must be "usb_extal" - The USB_XTAL clock pin must be "usb_xtal" - #clock-cells: Must be 0 +- power-domains: A phandle and symbolic PM domain specifier. + See power/renesas,rcar-sysc.yaml. +- resets: A list of phandles and specifier pairs. +- reset-names: Name of the resets. + - The reset of USB 2.0 host side must be "ehci_ohci" + - The reset of HS-USB side must be "hs-usb-if" Example (R-Car H3): @@ -49,7 +56,11 @@ Example (R-Car H3): compatible = "renesas,r8a7795-rcar-usb2-clock-sel", "renesas,rcar-gen3-usb2-clock-sel"; reg = <0 0xe6590630 0 0x02>; - clocks = <&cpg CPG_MOD 703>, <&usb_extal>, <&usb_xtal>; - clock-names = "ehci_ohci", "usb_extal", "usb_xtal"; + clocks = <&cpg CPG_MOD 703>, <&cpg CPG_MOD 704>, + <&usb_extal>, <&usb_xtal>; + clock-names = "ehci_ohci", "hs-usb-if", "usb_extal", "usb_xtal"; #clock-cells = <0>; + power-domains = <&sysc R8A7795_PD_ALWAYS_ON>; + resets = <&cpg 703>, <&cpg 704>; + reset-names = "ehci_ohci", "hs-usb-if"; }; diff --git a/Documentation/devicetree/bindings/clock/ti,am654-ehrpwm-tbclk.yaml b/Documentation/devicetree/bindings/clock/ti,am654-ehrpwm-tbclk.yaml new file mode 100644 index 000000000000..869b18ac88d7 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/ti,am654-ehrpwm-tbclk.yaml @@ -0,0 +1,35 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/ti,am654-ehrpwm-tbclk.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI EHRPWM Time Base Clock + +maintainers: + - Vignesh Raghavendra <[email protected]> + +properties: + compatible: + items: + - const: ti,am654-ehrpwm-tbclk + - const: syscon + + "#clock-cells": + const: 1 + + reg: + maxItems: 1 + +required: + - compatible + - "#clock-cells" + - reg + +examples: + - | + ehrpwm_tbclk: syscon@4140 { + compatible = "ti,am654-ehrpwm-tbclk", "syscon"; + reg = <0x4140 0x18>; + #clock-cells = <1>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 38fe2f3f7b6f..04499e55218b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1280,7 +1280,7 @@ L: [email protected] (moderated for non-subscribers) S: Maintained F: Documentation/devicetree/bindings/arm/arm-boards F: Documentation/devicetree/bindings/auxdisplay/arm-charlcd.txt -F: Documentation/devicetree/bindings/clock/arm-integrator.txt +F: Documentation/devicetree/bindings/clock/arm,syscon-icst.yaml F: Documentation/devicetree/bindings/i2c/i2c-versatile.txt F: Documentation/devicetree/bindings/interrupt-controller/arm,versatile-fpga-irq.txt F: Documentation/devicetree/bindings/mtd/arm-versatile.txt diff --git a/drivers/clk/at91/Makefile b/drivers/clk/at91/Makefile index 3732241352ce..8b90357f2a93 100644 --- a/drivers/clk/at91/Makefile +++ b/drivers/clk/at91/Makefile @@ -15,7 +15,11 @@ obj-$(CONFIG_HAVE_AT91_H32MX) += clk-h32mx.o obj-$(CONFIG_HAVE_AT91_GENERATED_CLK) += clk-generated.o obj-$(CONFIG_HAVE_AT91_I2S_MUX_CLK) += clk-i2s-mux.o obj-$(CONFIG_HAVE_AT91_SAM9X60_PLL) += clk-sam9x60-pll.o +obj-$(CONFIG_SOC_AT91RM9200) += at91rm9200.o obj-$(CONFIG_SOC_AT91SAM9) += at91sam9260.o at91sam9rl.o at91sam9x5.o +obj-$(CONFIG_SOC_AT91SAM9) += at91sam9g45.o +obj-$(CONFIG_SOC_AT91SAM9) += at91sam9n12.o at91sam9x5.o obj-$(CONFIG_SOC_SAM9X60) += sam9x60.o +obj-$(CONFIG_SOC_SAMA5D3) += sama5d3.o obj-$(CONFIG_SOC_SAMA5D4) += sama5d4.o obj-$(CONFIG_SOC_SAMA5D2) += sama5d2.o diff --git a/drivers/clk/at91/at91rm9200.c b/drivers/clk/at91/at91rm9200.c new file mode 100644 index 000000000000..c44a431b6c97 --- /dev/null +++ b/drivers/clk/at91/at91rm9200.c @@ -0,0 +1,199 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/clk-provider.h> +#include <linux/mfd/syscon.h> +#include <linux/slab.h> + +#include <dt-bindings/clock/at91.h> + +#include "pmc.h" + +struct sck { + char *n; + char *p; + u8 id; +}; + +struct pck { + char *n; + u8 id; +}; + +static const struct clk_master_characteristics rm9200_mck_characteristics = { + .output = { .min = 0, .max = 80000000 }, + .divisors = { 1, 2, 3, 4 }, +}; + +static u8 rm9200_pll_out[] = { 0, 2 }; + +static const struct clk_range rm9200_pll_outputs[] = { + { .min = 80000000, .max = 160000000 }, + { .min = 150000000, .max = 180000000 }, +}; + +static const struct clk_pll_characteristics rm9200_pll_characteristics = { + .input = { .min = 1000000, .max = 32000000 }, + .num_output = ARRAY_SIZE(rm9200_pll_outputs), + .output = rm9200_pll_outputs, + .out = rm9200_pll_out, +}; + +static const struct sck at91rm9200_systemck[] = { + { .n = "udpck", .p = "usbck", .id = 2 }, + { .n = "uhpck", .p = "usbck", .id = 4 }, + { .n = "pck0", .p = "prog0", .id = 8 }, + { .n = "pck1", .p = "prog1", .id = 9 }, + { .n = "pck2", .p = "prog2", .id = 10 }, + { .n = "pck3", .p = "prog3", .id = 11 }, +}; + +static const struct pck at91rm9200_periphck[] = { + { .n = "pioA_clk", .id = 2 }, + { .n = "pioB_clk", .id = 3 }, + { .n = "pioC_clk", .id = 4 }, + { .n = "pioD_clk", .id = 5 }, + { .n = "usart0_clk", .id = 6 }, + { .n = "usart1_clk", .id = 7 }, + { .n = "usart2_clk", .id = 8 }, + { .n = "usart3_clk", .id = 9 }, + { .n = "mci0_clk", .id = 10 }, + { .n = "udc_clk", .id = 11 }, + { .n = "twi0_clk", .id = 12 }, + { .n = "spi0_clk", .id = 13 }, + { .n = "ssc0_clk", .id = 14 }, + { .n = "ssc1_clk", .id = 15 }, + { .n = "ssc2_clk", .id = 16 }, + { .n = "tc0_clk", .id = 17 }, + { .n = "tc1_clk", .id = 18 }, + { .n = "tc2_clk", .id = 19 }, + { .n = "tc3_clk", .id = 20 }, + { .n = "tc4_clk", .id = 21 }, + { .n = "tc5_clk", .id = 22 }, + { .n = "ohci_clk", .id = 23 }, + { .n = "macb0_clk", .id = 24 }, +}; + +static void __init at91rm9200_pmc_setup(struct device_node *np) +{ + const char *slowxtal_name, *mainxtal_name; + struct pmc_data *at91rm9200_pmc; + u32 usb_div[] = { 1, 2, 0, 0 }; + const char *parent_names[6]; + struct regmap *regmap; + struct clk_hw *hw; + int i; + bool bypass; + + i = of_property_match_string(np, "clock-names", "slow_xtal"); + if (i < 0) + return; + + slowxtal_name = of_clk_get_parent_name(np, i); + + i = of_property_match_string(np, "clock-names", "main_xtal"); + if (i < 0) + return; + mainxtal_name = of_clk_get_parent_name(np, i); + + regmap = device_node_to_regmap(np); + if (IS_ERR(regmap)) + return; + + at91rm9200_pmc = pmc_data_allocate(PMC_MAIN + 1, + nck(at91rm9200_systemck), + nck(at91rm9200_periphck), 0); + if (!at91rm9200_pmc) + return; + + bypass = of_property_read_bool(np, "atmel,osc-bypass"); + + hw = at91_clk_register_main_osc(regmap, "main_osc", mainxtal_name, + bypass); + if (IS_ERR(hw)) + goto err_free; + + hw = at91_clk_register_rm9200_main(regmap, "mainck", "main_osc"); + if (IS_ERR(hw)) + goto err_free; + + at91rm9200_pmc->chws[PMC_MAIN] = hw; + + hw = at91_clk_register_pll(regmap, "pllack", "mainck", 0, + &at91rm9200_pll_layout, + &rm9200_pll_characteristics); + if (IS_ERR(hw)) + goto err_free; + + hw = at91_clk_register_pll(regmap, "pllbck", "mainck", 1, + &at91rm9200_pll_layout, + &rm9200_pll_characteristics); + if (IS_ERR(hw)) + goto err_free; + + parent_names[0] = slowxtal_name; + parent_names[1] = "mainck"; + parent_names[2] = "pllack"; + parent_names[3] = "pllbck"; + hw = at91_clk_register_master(regmap, "masterck", 4, parent_names, + &at91rm9200_master_layout, + &rm9200_mck_characteristics); + if (IS_ERR(hw)) + goto err_free; + + at91rm9200_pmc->chws[PMC_MCK] = hw; + + hw = at91rm9200_clk_register_usb(regmap, "usbck", "pllbck", usb_div); + if (IS_ERR(hw)) + goto err_free; + + parent_names[0] = slowxtal_name; + parent_names[1] = "mainck"; + parent_names[2] = "pllack"; + parent_names[3] = "pllbck"; + for (i = 0; i < 4; i++) { + char name[6]; + + snprintf(name, sizeof(name), "prog%d", i); + + hw = at91_clk_register_programmable(regmap, name, + parent_names, 4, i, + &at91rm9200_programmable_layout); + if (IS_ERR(hw)) + goto err_free; + } + + for (i = 0; i < ARRAY_SIZE(at91rm9200_systemck); i++) { + hw = at91_clk_register_system(regmap, at91rm9200_systemck[i].n, + at91rm9200_systemck[i].p, + at91rm9200_systemck[i].id); + if (IS_ERR(hw)) + goto err_free; + + at91rm9200_pmc->shws[at91rm9200_systemck[i].id] = hw; + } + + for (i = 0; i < ARRAY_SIZE(at91rm9200_periphck); i++) { + hw = at91_clk_register_peripheral(regmap, + at91rm9200_periphck[i].n, + "masterck", + at91rm9200_periphck[i].id); + if (IS_ERR(hw)) + goto err_free; + + at91rm9200_pmc->phws[at91rm9200_periphck[i].id] = hw; + } + + of_clk_add_hw_provider(np, of_clk_hw_pmc_get, at91rm9200_pmc); + + return; + +err_free: + pmc_data_free(at91rm9200_pmc); +} +/* + * While the TCB can be used as the clocksource, the system timer is most likely + * to be used instead. However, the pinctrl driver doesn't support probe + * deferring properly. Once this is fixed, this can be switched to a platform + * driver. + */ +CLK_OF_DECLARE_DRIVER(at91rm9200_pmc, "atmel,at91rm9200-pmc", + at91rm9200_pmc_setup); diff --git a/drivers/clk/at91/at91sam9g45.c b/drivers/clk/at91/at91sam9g45.c new file mode 100644 index 000000000000..38a7d2d2df0c --- /dev/null +++ b/drivers/clk/at91/at91sam9g45.c @@ -0,0 +1,220 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/clk-provider.h> +#include <linux/mfd/syscon.h> +#include <linux/slab.h> + +#include <dt-bindings/clock/at91.h> + +#include "pmc.h" + +static const struct clk_master_characteristics mck_characteristics = { + .output = { .min = 0, .max = 133333333 }, + .divisors = { 1, 2, 4, 3 }, +}; + +static u8 plla_out[] = { 0, 1, 2, 3, 0, 1, 2, 3 }; + +static u16 plla_icpll[] = { 0, 0, 0, 0, 1, 1, 1, 1 }; + +static const struct clk_range plla_outputs[] = { + { .min = 745000000, .max = 800000000 }, + { .min = 695000000, .max = 750000000 }, + { .min = 645000000, .max = 700000000 }, + { .min = 595000000, .max = 650000000 }, + { .min = 545000000, .max = 600000000 }, + { .min = 495000000, .max = 555000000 }, + { .min = 445000000, .max = 500000000 }, + { .min = 400000000, .max = 450000000 }, +}; + +static const struct clk_pll_characteristics plla_characteristics = { + .input = { .min = 2000000, .max = 32000000 }, + .num_output = ARRAY_SIZE(plla_outputs), + .output = plla_outputs, + .icpll = plla_icpll, + .out = plla_out, +}; + +static const struct { + char *n; + char *p; + u8 id; +} at91sam9g45_systemck[] = { + { .n = "ddrck", .p = "masterck", .id = 2 }, + { .n = "uhpck", .p = "usbck", .id = 6 }, + { .n = "pck0", .p = "prog0", .id = 8 }, + { .n = "pck1", .p = "prog1", .id = 9 }, +}; + +static const struct clk_pcr_layout at91sam9g45_pcr_layout = { + .offset = 0x10c, + .cmd = BIT(12), + .pid_mask = GENMASK(5, 0), + .div_mask = GENMASK(17, 16), +}; + +struct pck { + char *n; + u8 id; +}; + +static const struct pck at91sam9g45_periphck[] = { + { .n = "pioA_clk", .id = 2, }, + { .n = "pioB_clk", .id = 3, }, + { .n = "pioC_clk", .id = 4, }, + { .n = "pioDE_clk", .id = 5, }, + { .n = "trng_clk", .id = 6, }, + { .n = "usart0_clk", .id = 7, }, + { .n = "usart1_clk", .id = 8, }, + { .n = "usart2_clk", .id = 9, }, + { .n = "usart3_clk", .id = 10, }, + { .n = "mci0_clk", .id = 11, }, + { .n = "twi0_clk", .id = 12, }, + { .n = "twi1_clk", .id = 13, }, + { .n = "spi0_clk", .id = 14, }, + { .n = "spi1_clk", .id = 15, }, + { .n = "ssc0_clk", .id = 16, }, + { .n = "ssc1_clk", .id = 17, }, + { .n = "tcb0_clk", .id = 18, }, + { .n = "pwm_clk", .id = 19, }, + { .n = "adc_clk", .id = 20, }, + { .n = "dma0_clk", .id = 21, }, + { .n = "uhphs_clk", .id = 22, }, + { .n = "lcd_clk", .id = 23, }, + { .n = "ac97_clk", .id = 24, }, + { .n = "macb0_clk", .id = 25, }, + { .n = "isi_clk", .id = 26, }, + { .n = "udphs_clk", .id = 27, }, + { .n = "aestdessha_clk", .id = 28, }, + { .n = "mci1_clk", .id = 29, }, + { .n = "vdec_clk", .id = 30, }, +}; + +static void __init at91sam9g45_pmc_setup(struct device_node *np) +{ + const char *slck_name, *mainxtal_name; + struct pmc_data *at91sam9g45_pmc; + const char *parent_names[6]; + struct regmap *regmap; + struct clk_hw *hw; + int i; + bool bypass; + + i = of_property_match_string(np, "clock-names", "slow_clk"); + if (i < 0) + return; + + slck_name = of_clk_get_parent_name(np, i); + + i = of_property_match_string(np, "clock-names", "main_xtal"); + if (i < 0) + return; + mainxtal_name = of_clk_get_parent_name(np, i); + + regmap = syscon_node_to_regmap(np); + if (IS_ERR(regmap)) + return; + + at91sam9g45_pmc = pmc_data_allocate(PMC_MAIN + 1, + nck(at91sam9g45_systemck), + nck(at91sam9g45_periphck), 0); + if (!at91sam9g45_pmc) + return; + + bypass = of_property_read_bool(np, "atmel,osc-bypass"); + + hw = at91_clk_register_main_osc(regmap, "main_osc", mainxtal_name, + bypass); + if (IS_ERR(hw)) + goto err_free; + + hw = at91_clk_register_rm9200_main(regmap, "mainck", "main_osc"); + if (IS_ERR(hw)) + goto err_free; + + at91sam9g45_pmc->chws[PMC_MAIN] = hw; + + hw = at91_clk_register_pll(regmap, "pllack", "mainck", 0, + &at91rm9200_pll_layout, &plla_characteristics); + if (IS_ERR(hw)) + goto err_free; + + hw = at91_clk_register_plldiv(regmap, "plladivck", "pllack"); + if (IS_ERR(hw)) + goto err_free; + + hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck"); + if (IS_ERR(hw)) + goto err_free; + + at91sam9g45_pmc->chws[PMC_UTMI] = hw; + + parent_names[0] = slck_name; + parent_names[1] = "mainck"; + parent_names[2] = "plladivck"; + parent_names[3] = "utmick"; + hw = at91_clk_register_master(regmap, "masterck", 4, parent_names, + &at91rm9200_master_layout, + &mck_characteristics); + if (IS_ERR(hw)) + goto err_free; + + at91sam9g45_pmc->chws[PMC_MCK] = hw; + + parent_names[0] = "plladivck"; + parent_names[1] = "utmick"; + hw = at91sam9x5_clk_register_usb(regmap, "usbck", parent_names, 2); + if (IS_ERR(hw)) + goto err_free; + + parent_names[0] = slck_name; + parent_names[1] = "mainck"; + parent_names[2] = "plladivck"; + parent_names[3] = "utmick"; + parent_names[4] = "masterck"; + for (i = 0; i < 2; i++) { + char name[6]; + + snprintf(name, sizeof(name), "prog%d", i); + + hw = at91_clk_register_programmable(regmap, name, + parent_names, 5, i, + &at91sam9g45_programmable_layout); + if (IS_ERR(hw)) + goto err_free; + } + + for (i = 0; i < ARRAY_SIZE(at91sam9g45_systemck); i++) { + hw = at91_clk_register_system(regmap, at91sam9g45_systemck[i].n, + at91sam9g45_systemck[i].p, + at91sam9g45_systemck[i].id); + if (IS_ERR(hw)) + goto err_free; + + at91sam9g45_pmc->shws[at91sam9g45_systemck[i].id] = hw; + } + + for (i = 0; i < ARRAY_SIZE(at91sam9g45_periphck); i++) { + hw = at91_clk_register_peripheral(regmap, + at91sam9g45_periphck[i].n, + "masterck", + at91sam9g45_periphck[i].id); + if (IS_ERR(hw)) + goto err_free; + + at91sam9g45_pmc->phws[at91sam9g45_periphck[i].id] = hw; + } + + of_clk_add_hw_provider(np, of_clk_hw_pmc_get, at91sam9g45_pmc); + + return; + +err_free: + pmc_data_free(at91sam9g45_pmc); +} +/* + * The TCB is used as the clocksource so its clock is needed early. This means + * this can't be a platform driver. + */ +CLK_OF_DECLARE_DRIVER(at91sam9g45_pmc, "atmel,at91sam9g45-pmc", + at91sam9g45_pmc_setup); diff --git a/drivers/clk/at91/at91sam9n12.c b/drivers/clk/at91/at91sam9n12.c new file mode 100644 index 000000000000..8bb39d2ba84b --- /dev/null +++ b/drivers/clk/at91/at91sam9n12.c @@ -0,0 +1,238 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/clk-provider.h> +#include <linux/mfd/syscon.h> +#include <linux/slab.h> + +#include <dt-bindings/clock/at91.h> + +#include "pmc.h" + +static const struct clk_master_characteristics mck_characteristics = { + .output = { .min = 0, .max = 133333333 }, + .divisors = { 1, 2, 4, 3 }, + .have_div3_pres = 1, +}; + +static u8 plla_out[] = { 0, 1, 2, 3, 0, 1, 2, 3 }; + +static u16 plla_icpll[] = { 0, 0, 0, 0, 1, 1, 1, 1 }; + +static const struct clk_range plla_outputs[] = { + { .min = 745000000, .max = 800000000 }, + { .min = 695000000, .max = 750000000 }, + { .min = 645000000, .max = 700000000 }, + { .min = 595000000, .max = 650000000 }, + { .min = 545000000, .max = 600000000 }, + { .min = 495000000, .max = 555000000 }, + { .min = 445000000, .max = 500000000 }, + { .min = 400000000, .max = 450000000 }, +}; + +static const struct clk_pll_characteristics plla_characteristics = { + .input = { .min = 2000000, .max = 32000000 }, + .num_output = ARRAY_SIZE(plla_outputs), + .output = plla_outputs, + .icpll = plla_icpll, + .out = plla_out, +}; + +static u8 pllb_out[] = { 0 }; + +static const struct clk_range pllb_outputs[] = { + { .min = 30000000, .max = 100000000 }, +}; + +static const struct clk_pll_characteristics pllb_characteristics = { + .input = { .min = 2000000, .max = 32000000 }, + .num_output = ARRAY_SIZE(pllb_outputs), + .output = pllb_outputs, + .out = pllb_out, +}; + +static const struct { + char *n; + char *p; + u8 id; +} at91sam9n12_systemck[] = { + { .n = "ddrck", .p = "masterck", .id = 2 }, + { .n = "lcdck", .p = "masterck", .id = 3 }, + { .n = "uhpck", .p = "usbck", .id = 6 }, + { .n = "udpck", .p = "usbck", .id = 7 }, + { .n = "pck0", .p = "prog0", .id = 8 }, + { .n = "pck1", .p = "prog1", .id = 9 }, +}; + +static const struct clk_pcr_layout at91sam9n12_pcr_layout = { + .offset = 0x10c, + .cmd = BIT(12), + .pid_mask = GENMASK(5, 0), + .div_mask = GENMASK(17, 16), +}; + +struct pck { + char *n; + u8 id; +}; + +static const struct pck at91sam9n12_periphck[] = { + { .n = "pioAB_clk", .id = 2, }, + { .n = "pioCD_clk", .id = 3, }, + { .n = "fuse_clk", .id = 4, }, + { .n = "usart0_clk", .id = 5, }, + { .n = "usart1_clk", .id = 6, }, + { .n = "usart2_clk", .id = 7, }, + { .n = "usart3_clk", .id = 8, }, + { .n = "twi0_clk", .id = 9, }, + { .n = "twi1_clk", .id = 10, }, + { .n = "mci0_clk", .id = 12, }, + { .n = "spi0_clk", .id = 13, }, + { .n = "spi1_clk", .id = 14, }, + { .n = "uart0_clk", .id = 15, }, + { .n = "uart1_clk", .id = 16, }, + { .n = "tcb_clk", .id = 17, }, + { .n = "pwm_clk", .id = 18, }, + { .n = "adc_clk", .id = 19, }, + { .n = "dma0_clk", .id = 20, }, + { .n = "uhphs_clk", .id = 22, }, + { .n = "udphs_clk", .id = 23, }, + { .n = "lcdc_clk", .id = 25, }, + { .n = "sha_clk", .id = 27, }, + { .n = "ssc0_clk", .id = 28, }, + { .n = "aes_clk", .id = 29, }, + { .n = "trng_clk", .id = 30, }, +}; + +static void __init at91sam9n12_pmc_setup(struct device_node *np) +{ + struct clk_range range = CLK_RANGE(0, 0); + const char *slck_name, *mainxtal_name; + struct pmc_data *at91sam9n12_pmc; + const char *parent_names[6]; + struct regmap *regmap; + struct clk_hw *hw; + int i; + bool bypass; + + i = of_property_match_string(np, "clock-names", "slow_clk"); + if (i < 0) + return; + + slck_name = of_clk_get_parent_name(np, i); + + i = of_property_match_string(np, "clock-names", "main_xtal"); + if (i < 0) + return; + mainxtal_name = of_clk_get_parent_name(np, i); + + regmap = syscon_node_to_regmap(np); + if (IS_ERR(regmap)) + return; + + at91sam9n12_pmc = pmc_data_allocate(PMC_MAIN + 1, + nck(at91sam9n12_systemck), 31, 0); + if (!at91sam9n12_pmc) + return; + + hw = at91_clk_register_main_rc_osc(regmap, "main_rc_osc", 12000000, + 50000000); + if (IS_ERR(hw)) + goto err_free; + + bypass = of_property_read_bool(np, "atmel,osc-bypass"); + + hw = at91_clk_register_main_osc(regmap, "main_osc", mainxtal_name, + bypass); + if (IS_ERR(hw)) + goto err_free; + + parent_names[0] = "main_rc_osc"; + parent_names[1] = "main_osc"; + hw = at91_clk_register_sam9x5_main(regmap, "mainck", parent_names, 2); + if (IS_ERR(hw)) + goto err_free; + + at91sam9n12_pmc->chws[PMC_MAIN] = hw; + + hw = at91_clk_register_pll(regmap, "pllack", "mainck", 0, + &at91rm9200_pll_layout, &plla_characteristics); + if (IS_ERR(hw)) + goto err_free; + + hw = at91_clk_register_plldiv(regmap, "plladivck", "pllack"); + if (IS_ERR(hw)) + goto err_free; + + hw = at91_clk_register_pll(regmap, "pllbck", "mainck", 1, + &at91rm9200_pll_layout, &pllb_characteristics); + if (IS_ERR(hw)) + goto err_free; + + parent_names[0] = slck_name; + parent_names[1] = "mainck"; + parent_names[2] = "plladivck"; + parent_names[3] = "pllbck"; + hw = at91_clk_register_master(regmap, "masterck", 4, parent_names, + &at91sam9x5_master_layout, + &mck_characteristics); + if (IS_ERR(hw)) + goto err_free; + + at91sam9n12_pmc->chws[PMC_MCK] = hw; + + hw = at91sam9n12_clk_register_usb(regmap, "usbck", "pllbck"); + if (IS_ERR(hw)) + goto err_free; + + parent_names[0] = slck_name; + parent_names[1] = "mainck"; + parent_names[2] = "plladivck"; + parent_names[3] = "pllbck"; + parent_names[4] = "masterck"; + for (i = 0; i < 2; i++) { + char name[6]; + + snprintf(name, sizeof(name), "prog%d", i); + + hw = at91_clk_register_programmable(regmap, name, + parent_names, 5, i, + &at91sam9x5_programmable_layout); + if (IS_ERR(hw)) + goto err_free; + } + + for (i = 0; i < ARRAY_SIZE(at91sam9n12_systemck); i++) { + hw = at91_clk_register_system(regmap, at91sam9n12_systemck[i].n, + at91sam9n12_systemck[i].p, + at91sam9n12_systemck[i].id); + if (IS_ERR(hw)) + goto err_free; + + at91sam9n12_pmc->shws[at91sam9n12_systemck[i].id] = hw; + } + + for (i = 0; i < ARRAY_SIZE(at91sam9n12_periphck); i++) { + hw = at91_clk_register_sam9x5_peripheral(regmap, &pmc_pcr_lock, + &at91sam9n12_pcr_layout, + at91sam9n12_periphck[i].n, + "masterck", + at91sam9n12_periphck[i].id, + &range); + if (IS_ERR(hw)) + goto err_free; + + at91sam9n12_pmc->phws[at91sam9n12_periphck[i].id] = hw; + } + + of_clk_add_hw_provider(np, of_clk_hw_pmc_get, at91sam9n12_pmc); + + return; + +err_free: + pmc_data_free(at91sam9n12_pmc); +} +/* + * The TCB is used as the clocksource so its clock is needed early. This means + * this can't be a platform driver. + */ +CLK_OF_DECLARE_DRIVER(at91sam9n12_pmc, "atmel,at91sam9n12-pmc", + at91sam9n12_pmc_setup); diff --git a/drivers/clk/at91/clk-usb.c b/drivers/clk/at91/clk-usb.c index 22aede42a336..31d5c45e30d7 100644 --- a/drivers/clk/at91/clk-usb.c +++ b/drivers/clk/at91/clk-usb.c @@ -25,6 +25,7 @@ struct at91sam9x5_clk_usb { struct clk_hw hw; struct regmap *regmap; u32 usbs_mask; + u8 num_parents; }; #define to_at91sam9x5_clk_usb(hw) \ @@ -75,6 +76,9 @@ static int at91sam9x5_clk_usb_determine_rate(struct clk_hw *hw, tmp_parent_rate = req->rate * div; tmp_parent_rate = clk_hw_round_rate(parent, tmp_parent_rate); + if (!tmp_parent_rate) + continue; + tmp_rate = DIV_ROUND_CLOSEST(tmp_parent_rate, div); if (tmp_rate < req->rate) tmp_diff = req->rate - tmp_rate; @@ -107,7 +111,7 @@ static int at91sam9x5_clk_usb_set_parent(struct clk_hw *hw, u8 index) { struct at91sam9x5_clk_usb *usb = to_at91sam9x5_clk_usb(hw); - if (index > 1) + if (index >= usb->num_parents) return -EINVAL; regmap_update_bits(usb->regmap, AT91_PMC_USB, usb->usbs_mask, index); @@ -211,7 +215,8 @@ _at91sam9x5_clk_register_usb(struct regmap *regmap, const char *name, usb->hw.init = &init; usb->regmap = regmap; - usb->usbs_mask = SAM9X5_USBS_MASK; + usb->usbs_mask = usbs_mask; + usb->num_parents = num_parents; hw = &usb->hw; ret = clk_hw_register(NULL, &usb->hw); diff --git a/drivers/clk/at91/sam9x60.c b/drivers/clk/at91/sam9x60.c index 77398aefeb6d..cc19e8fb83be 100644 --- a/drivers/clk/at91/sam9x60.c +++ b/drivers/clk/at91/sam9x60.c @@ -124,7 +124,6 @@ static const struct { char *n; u8 id; struct clk_range r; - bool pll; } sam9x60_gck[] = { { .n = "flex0_gclk", .id = 5, }, { .n = "flex1_gclk", .id = 6, }, @@ -144,11 +143,9 @@ static const struct { { .n = "sdmmc1_gclk", .id = 26, .r = { .min = 0, .max = 105000000 }, }, { .n = "flex11_gclk", .id = 32, }, { .n = "flex12_gclk", .id = 33, }, - { .n = "i2s_gclk", .id = 34, .r = { .min = 0, .max = 105000000 }, - .pll = true, }, + { .n = "i2s_gclk", .id = 34, .r = { .min = 0, .max = 105000000 }, }, { .n = "pit64b_gclk", .id = 37, }, - { .n = "classd_gclk", .id = 42, .r = { .min = 0, .max = 100000000 }, - .pll = true, }, + { .n = "classd_gclk", .id = 42, .r = { .min = 0, .max = 100000000 }, }, { .n = "tcb1_gclk", .id = 45, }, { .n = "dbgu_gclk", .id = 47, }, }; @@ -237,9 +234,8 @@ static void __init sam9x60_pmc_setup(struct device_node *np) parent_names[0] = "pllack"; parent_names[1] = "upllck"; - parent_names[2] = "mainck"; - parent_names[3] = "mainck"; - hw = sam9x60_clk_register_usb(regmap, "usbck", parent_names, 4); + parent_names[2] = "main_osc"; + hw = sam9x60_clk_register_usb(regmap, "usbck", parent_names, 3); if (IS_ERR(hw)) goto err_free; @@ -290,7 +286,7 @@ static void __init sam9x60_pmc_setup(struct device_node *np) sam9x60_gck[i].n, parent_names, 6, sam9x60_gck[i].id, - sam9x60_gck[i].pll, + false, &sam9x60_gck[i].r); if (IS_ERR(hw)) goto err_free; diff --git a/drivers/clk/at91/sama5d3.c b/drivers/clk/at91/sama5d3.c new file mode 100644 index 000000000000..88506f909c08 --- /dev/null +++ b/drivers/clk/at91/sama5d3.c @@ -0,0 +1,240 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/clk-provider.h> +#include <linux/mfd/syscon.h> +#include <linux/slab.h> + +#include <dt-bindings/clock/at91.h> + +#include "pmc.h" + +static const struct clk_master_characteristics mck_characteristics = { + .output = { .min = 0, .max = 166000000 }, + .divisors = { 1, 2, 4, 3 }, +}; + +static u8 plla_out[] = { 0 }; + +static u16 plla_icpll[] = { 0 }; + +static const struct clk_range plla_outputs[] = { + { .min = 400000000, .max = 1000000000 }, +}; + +static const struct clk_pll_characteristics plla_characteristics = { + .input = { .min = 8000000, .max = 50000000 }, + .num_output = ARRAY_SIZE(plla_outputs), + .output = plla_outputs, + .icpll = plla_icpll, + .out = plla_out, +}; + +static const struct clk_pcr_layout sama5d3_pcr_layout = { + .offset = 0x10c, + .cmd = BIT(12), + .pid_mask = GENMASK(6, 0), + .div_mask = GENMASK(17, 16), +}; + +static const struct { + char *n; + char *p; + u8 id; +} sama5d3_systemck[] = { + { .n = "ddrck", .p = "masterck", .id = 2 }, + { .n = "lcdck", .p = "masterck", .id = 3 }, + { .n = "smdck", .p = "smdclk", .id = 4 }, + { .n = "uhpck", .p = "usbck", .id = 6 }, + { .n = "udpck", .p = "usbck", .id = 7 }, + { .n = "pck0", .p = "prog0", .id = 8 }, + { .n = "pck1", .p = "prog1", .id = 9 }, + { .n = "pck2", .p = "prog2", .id = 10 }, +}; + +static const struct { + char *n; + u8 id; + struct clk_range r; +} sama5d3_periphck[] = { + { .n = "dbgu_clk", .id = 2, }, + { .n = "hsmc_clk", .id = 5, }, + { .n = "pioA_clk", .id = 6, }, + { .n = "pioB_clk", .id = 7, }, + { .n = "pioC_clk", .id = 8, }, + { .n = "pioD_clk", .id = 9, }, + { .n = "pioE_clk", .id = 10, }, + { .n = "usart0_clk", .id = 12, .r = { .min = 0, .max = 83000000 }, }, + { .n = "usart1_clk", .id = 13, .r = { .min = 0, .max = 83000000 }, }, + { .n = "usart2_clk", .id = 14, .r = { .min = 0, .max = 83000000 }, }, + { .n = "usart3_clk", .id = 15, .r = { .min = 0, .max = 83000000 }, }, + { .n = "uart0_clk", .id = 16, .r = { .min = 0, .max = 83000000 }, }, + { .n = "uart1_clk", .id = 17, .r = { .min = 0, .max = 83000000 }, }, + { .n = "twi0_clk", .id = 18, .r = { .min = 0, .max = 41500000 }, }, + { .n = "twi1_clk", .id = 19, .r = { .min = 0, .max = 41500000 }, }, + { .n = "twi2_clk", .id = 20, .r = { .min = 0, .max = 41500000 }, }, + { .n = "mci0_clk", .id = 21, }, + { .n = "mci1_clk", .id = 22, }, + { .n = "mci2_clk", .id = 23, }, + { .n = "spi0_clk", .id = 24, .r = { .min = 0, .max = 166000000 }, }, + { .n = "spi1_clk", .id = 25, .r = { .min = 0, .max = 166000000 }, }, + { .n = "tcb0_clk", .id = 26, .r = { .min = 0, .max = 166000000 }, }, + { .n = "tcb1_clk", .id = 27, .r = { .min = 0, .max = 166000000 }, }, + { .n = "pwm_clk", .id = 28, }, + { .n = "adc_clk", .id = 29, .r = { .min = 0, .max = 83000000 }, }, + { .n = "dma0_clk", .id = 30, }, + { .n = "dma1_clk", .id = 31, }, + { .n = "uhphs_clk", .id = 32, }, + { .n = "udphs_clk", .id = 33, }, + { .n = "macb0_clk", .id = 34, }, + { .n = "macb1_clk", .id = 35, }, + { .n = "lcdc_clk", .id = 36, }, + { .n = "isi_clk", .id = 37, }, + { .n = "ssc0_clk", .id = 38, .r = { .min = 0, .max = 83000000 }, }, + { .n = "ssc1_clk", .id = 39, .r = { .min = 0, .max = 83000000 }, }, + { .n = "can0_clk", .id = 40, .r = { .min = 0, .max = 83000000 }, }, + { .n = "can1_clk", .id = 41, .r = { .min = 0, .max = 83000000 }, }, + { .n = "sha_clk", .id = 42, }, + { .n = "aes_clk", .id = 43, }, + { .n = "tdes_clk", .id = 44, }, + { .n = "trng_clk", .id = 45, }, + { .n = "fuse_clk", .id = 48, }, + { .n = "mpddr_clk", .id = 49, }, +}; + +static void __init sama5d3_pmc_setup(struct device_node *np) +{ + const char *slck_name, *mainxtal_name; + struct pmc_data *sama5d3_pmc; + const char *parent_names[5]; + struct regmap *regmap; + struct clk_hw *hw; + int i; + bool bypass; + + i = of_property_match_string(np, "clock-names", "slow_clk"); + if (i < 0) + return; + + slck_name = of_clk_get_parent_name(np, i); + + i = of_property_match_string(np, "clock-names", "main_xtal"); + if (i < 0) + return; + mainxtal_name = of_clk_get_parent_name(np, i); + + regmap = syscon_node_to_regmap(np); + if (IS_ERR(regmap)) + return; + + sama5d3_pmc = pmc_data_allocate(PMC_MAIN + 1, + nck(sama5d3_systemck), + nck(sama5d3_periphck), 0); + if (!sama5d3_pmc) + return; + + hw = at91_clk_register_main_rc_osc(regmap, "main_rc_osc", 12000000, + 50000000); + if (IS_ERR(hw)) + goto err_free; + + bypass = of_property_read_bool(np, "atmel,osc-bypass"); + + hw = at91_clk_register_main_osc(regmap, "main_osc", mainxtal_name, + bypass); + if (IS_ERR(hw)) + goto err_free; + + parent_names[0] = "main_rc_osc"; + parent_names[1] = "main_osc"; + hw = at91_clk_register_sam9x5_main(regmap, "mainck", parent_names, 2); + if (IS_ERR(hw)) + goto err_free; + + hw = at91_clk_register_pll(regmap, "pllack", "mainck", 0, + &sama5d3_pll_layout, &plla_characteristics); + if (IS_ERR(hw)) + goto err_free; + + hw = at91_clk_register_plldiv(regmap, "plladivck", "pllack"); + if (IS_ERR(hw)) + goto err_free; + + hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck"); + if (IS_ERR(hw)) + goto err_free; + + sama5d3_pmc->chws[PMC_UTMI] = hw; + + parent_names[0] = slck_name; + parent_names[1] = "mainck"; + parent_names[2] = "plladivck"; + parent_names[3] = "utmick"; + hw = at91_clk_register_master(regmap, "masterck", 4, parent_names, + &at91sam9x5_master_layout, + &mck_characteristics); + if (IS_ERR(hw)) + goto err_free; + + sama5d3_pmc->chws[PMC_MCK] = hw; + + parent_names[0] = "plladivck"; + parent_names[1] = "utmick"; + hw = at91sam9x5_clk_register_usb(regmap, "usbck", parent_names, 2); + if (IS_ERR(hw)) + goto err_free; + + hw = at91sam9x5_clk_register_smd(regmap, "smdclk", parent_names, 2); + if (IS_ERR(hw)) + goto err_free; + + parent_names[0] = slck_name; + parent_names[1] = "mainck"; + parent_names[2] = "plladivck"; + parent_names[3] = "utmick"; + parent_names[4] = "masterck"; + for (i = 0; i < 3; i++) { + char name[6]; + + snprintf(name, sizeof(name), "prog%d", i); + + hw = at91_clk_register_programmable(regmap, name, + parent_names, 5, i, + &at91sam9x5_programmable_layout); + if (IS_ERR(hw)) + goto err_free; + } + + for (i = 0; i < ARRAY_SIZE(sama5d3_systemck); i++) { + hw = at91_clk_register_system(regmap, sama5d3_systemck[i].n, + sama5d3_systemck[i].p, + sama5d3_systemck[i].id); + if (IS_ERR(hw)) + goto err_free; + + sama5d3_pmc->shws[sama5d3_systemck[i].id] = hw; + } + + for (i = 0; i < ARRAY_SIZE(sama5d3_periphck); i++) { + hw = at91_clk_register_sam9x5_peripheral(regmap, &pmc_pcr_lock, + &sama5d3_pcr_layout, + sama5d3_periphck[i].n, + "masterck", + sama5d3_periphck[i].id, + &sama5d3_periphck[i].r); + if (IS_ERR(hw)) + goto err_free; + + sama5d3_pmc->phws[sama5d3_periphck[i].id] = hw; + } + + of_clk_add_hw_provider(np, of_clk_hw_pmc_get, sama5d3_pmc); + + return; + +err_free: + pmc_data_free(sama5d3_pmc); +} +/* + * The TCB is used as the clocksource so its clock is needed early. This means + * this can't be a platform driver. + */ +CLK_OF_DECLARE_DRIVER(sama5d3_pmc, "atmel,sama5d3-pmc", sama5d3_pmc_setup); diff --git a/drivers/clk/clk-si5341.c b/drivers/clk/clk-si5341.c index 6e780c2a9e6b..3c228b018116 100644 --- a/drivers/clk/clk-si5341.c +++ b/drivers/clk/clk-si5341.c @@ -16,6 +16,8 @@ #include <linux/slab.h> #include <asm/unaligned.h> +#define SI5341_NUM_INPUTS 4 + #define SI5341_MAX_NUM_OUTPUTS 10 #define SI5340_MAX_NUM_OUTPUTS 4 @@ -56,8 +58,8 @@ struct clk_si5341 { struct i2c_client *i2c_client; struct clk_si5341_synth synth[SI5341_NUM_SYNTH]; struct clk_si5341_output clk[SI5341_MAX_NUM_OUTPUTS]; - struct clk *pxtal; - const char *pxtal_name; + struct clk *input_clk[SI5341_NUM_INPUTS]; + const char *input_clk_name[SI5341_NUM_INPUTS]; const u16 *reg_output_offset; const u16 *reg_rdiv_offset; u64 freq_vco; /* 13500–14256 MHz */ @@ -78,10 +80,25 @@ struct clk_si5341_output_config { #define SI5341_DEVICE_REV 0x0005 #define SI5341_STATUS 0x000C #define SI5341_SOFT_RST 0x001C +#define SI5341_IN_SEL 0x0021 +#define SI5341_XAXB_CFG 0x090E +#define SI5341_IN_EN 0x0949 +#define SI5341_INX_TO_PFD_EN 0x094A + +/* Input selection */ +#define SI5341_IN_SEL_MASK 0x06 +#define SI5341_IN_SEL_SHIFT 1 +#define SI5341_IN_SEL_REGCTRL 0x01 +#define SI5341_INX_TO_PFD_SHIFT 4 + +/* XTAL config bits */ +#define SI5341_XAXB_CFG_EXTCLK_EN BIT(0) +#define SI5341_XAXB_CFG_PDNB BIT(1) /* Input dividers (48-bit) */ #define SI5341_IN_PDIV(x) (0x0208 + ((x) * 10)) #define SI5341_IN_PSET(x) (0x020E + ((x) * 10)) +#define SI5341_PX_UPD 0x0230 /* PLL configuration */ #define SI5341_PLL_M_NUM 0x0235 @@ -120,6 +137,10 @@ struct si5341_reg_default { u8 value; }; +static const char * const si5341_input_clock_names[] = { + "in0", "in1", "in2", "xtal" +}; + /* Output configuration registers 0..9 are not quite logically organized */ static const u16 si5341_reg_output_offset[] = { 0x0108, @@ -390,7 +411,112 @@ static unsigned long si5341_clk_recalc_rate(struct clk_hw *hw, return (unsigned long)res; } +static int si5341_clk_get_selected_input(struct clk_si5341 *data) +{ + int err; + u32 val; + + err = regmap_read(data->regmap, SI5341_IN_SEL, &val); + if (err < 0) + return err; + + return (val & SI5341_IN_SEL_MASK) >> SI5341_IN_SEL_SHIFT; +} + +static u8 si5341_clk_get_parent(struct clk_hw *hw) +{ + struct clk_si5341 *data = to_clk_si5341(hw); + int res = si5341_clk_get_selected_input(data); + + if (res < 0) + return 0; /* Apparently we cannot report errors */ + + return res; +} + +static int si5341_clk_reparent(struct clk_si5341 *data, u8 index) +{ + int err; + u8 val; + + val = (index << SI5341_IN_SEL_SHIFT) & SI5341_IN_SEL_MASK; + /* Enable register-based input selection */ + val |= SI5341_IN_SEL_REGCTRL; + + err = regmap_update_bits(data->regmap, + SI5341_IN_SEL, SI5341_IN_SEL_REGCTRL | SI5341_IN_SEL_MASK, val); + if (err < 0) + return err; + + if (index < 3) { + /* Enable input buffer for selected input */ + err = regmap_update_bits(data->regmap, + SI5341_IN_EN, 0x07, BIT(index)); + if (err < 0) + return err; + + /* Enables the input to phase detector */ + err = regmap_update_bits(data->regmap, SI5341_INX_TO_PFD_EN, + 0x7 << SI5341_INX_TO_PFD_SHIFT, + BIT(index + SI5341_INX_TO_PFD_SHIFT)); + if (err < 0) + return err; + + /* Power down XTAL oscillator and buffer */ + err = regmap_update_bits(data->regmap, SI5341_XAXB_CFG, + SI5341_XAXB_CFG_PDNB, 0); + if (err < 0) + return err; + + /* + * Set the P divider to "1". There's no explanation in the + * datasheet of these registers, but the clockbuilder software + * programs a "1" when the input is being used. + */ + err = regmap_write(data->regmap, SI5341_IN_PDIV(index), 1); + if (err < 0) + return err; + + err = regmap_write(data->regmap, SI5341_IN_PSET(index), 1); + if (err < 0) + return err; + + /* Set update PDIV bit */ + err = regmap_write(data->regmap, SI5341_PX_UPD, BIT(index)); + if (err < 0) + return err; + } else { + /* Disable all input buffers */ + err = regmap_update_bits(data->regmap, SI5341_IN_EN, 0x07, 0); + if (err < 0) + return err; + + /* Disable input to phase detector */ + err = regmap_update_bits(data->regmap, SI5341_INX_TO_PFD_EN, + 0x7 << SI5341_INX_TO_PFD_SHIFT, 0); + if (err < 0) + return err; + + /* Power up XTAL oscillator and buffer */ + err = regmap_update_bits(data->regmap, SI5341_XAXB_CFG, + SI5341_XAXB_CFG_PDNB, SI5341_XAXB_CFG_PDNB); + if (err < 0) + return err; + } + + return 0; +} + +static int si5341_clk_set_parent(struct clk_hw *hw, u8 index) +{ + struct clk_si5341 *data = to_clk_si5341(hw); + + return si5341_clk_reparent(data, index); +} + static const struct clk_ops si5341_clk_ops = { + .set_parent = si5341_clk_set_parent, + .get_parent = si5341_clk_get_parent, .recalc_rate = si5341_clk_recalc_rate, }; @@ -985,7 +1111,8 @@ static const struct regmap_range si5341_regmap_volatile_range[] = { regmap_reg_range(0x000C, 0x0012), /* Status */ regmap_reg_range(0x001C, 0x001E), /* reset, finc/fdec */ regmap_reg_range(0x00E2, 0x00FE), /* NVM, interrupts, device ready */ - /* Update bits for synth config */ + /* Update bits for P divider and synth config */ + regmap_reg_range(SI5341_PX_UPD, SI5341_PX_UPD), regmap_reg_range(SI5341_SYNTH_N_UPD(0), SI5341_SYNTH_N_UPD(0)), regmap_reg_range(SI5341_SYNTH_N_UPD(1), SI5341_SYNTH_N_UPD(1)), regmap_reg_range(SI5341_SYNTH_N_UPD(2), SI5341_SYNTH_N_UPD(2)), @@ -1122,6 +1249,7 @@ static int si5341_initialize_pll(struct clk_si5341 *data) struct device_node *np = data->i2c_client->dev.of_node; u32 m_num = 0; u32 m_den = 0; + int sel; if (of_property_read_u32(np, "silabs,pll-m-num", &m_num)) { dev_err(&data->i2c_client->dev, @@ -1135,7 +1263,11 @@ static int si5341_initialize_pll(struct clk_si5341 *data) if (!m_num || !m_den) { dev_err(&data->i2c_client->dev, "PLL configuration invalid, assume 14GHz\n"); - m_den = clk_get_rate(data->pxtal) / 10; + sel = si5341_clk_get_selected_input(data); + if (sel < 0) + return sel; + + m_den = clk_get_rate(data->input_clk[sel]) / 10; m_num = 1400000000; } @@ -1143,11 +1275,52 @@ static int si5341_initialize_pll(struct clk_si5341 *data) SI5341_PLL_M_NUM, m_num, m_den); } +static int si5341_clk_select_active_input(struct clk_si5341 *data) +{ + int res; + int err; + int i; + + res = si5341_clk_get_selected_input(data); + if (res < 0) + return res; + + /* If the current register setting is invalid, pick the first input */ + if (!data->input_clk[res]) { + dev_dbg(&data->i2c_client->dev, + "Input %d not connected, rerouting\n", res); + res = -ENODEV; + for (i = 0; i < SI5341_NUM_INPUTS; ++i) { + if (data->input_clk[i]) { + res = i; + break; + } + } + if (res < 0) { + dev_err(&data->i2c_client->dev, + "No clock input available\n"); + return res; + } + } + + /* Make sure the selected clock is also enabled and routed */ + err = si5341_clk_reparent(data, res); + if (err < 0) + return err; + + err = clk_prepare_enable(data->input_clk[res]); + if (err < 0) + return err; + + return res; +} + static int si5341_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct clk_si5341 *data; struct clk_init_data init; + struct clk *input; const char *root_clock_name; const char *synth_clock_names[SI5341_NUM_SYNTH]; int err; @@ -1161,12 +1334,16 @@ static int si5341_probe(struct i2c_client *client, data->i2c_client = client; - data->pxtal = devm_clk_get(&client->dev, "xtal"); - if (IS_ERR(data->pxtal)) { - if (PTR_ERR(data->pxtal) == -EPROBE_DEFER) - return -EPROBE_DEFER; - - dev_err(&client->dev, "Missing xtal clock input\n"); + for (i = 0; i < SI5341_NUM_INPUTS; ++i) { + input = devm_clk_get(&client->dev, si5341_input_clock_names[i]); + if (IS_ERR(input)) { + if (PTR_ERR(input) == -EPROBE_DEFER) + return -EPROBE_DEFER; + data->input_clk_name[i] = si5341_input_clock_names[i]; + } else { + data->input_clk[i] = input; + data->input_clk_name[i] = __clk_get_name(input); + } } err = si5341_dt_parse_dt(client, config); @@ -1188,9 +1365,6 @@ static int si5341_probe(struct i2c_client *client, if (err < 0) return err; - /* "Activate" the xtal (usually a fixed clock) */ - clk_prepare_enable(data->pxtal); - if (of_property_read_bool(client->dev.of_node, "silabs,reprogram")) { initialization_required = true; } else { @@ -1223,7 +1397,14 @@ static int si5341_probe(struct i2c_client *client, ARRAY_SIZE(si5341_reg_defaults)); if (err < 0) return err; + } + + /* Input must be up and running at this point */ + err = si5341_clk_select_active_input(data); + if (err < 0) + return err; + if (initialization_required) { /* PLL configuration is required */ err = si5341_initialize_pll(data); if (err < 0) @@ -1231,9 +1412,8 @@ static int si5341_probe(struct i2c_client *client, } /* Register the PLL */ - data->pxtal_name = __clk_get_name(data->pxtal); - init.parent_names = &data->pxtal_name; - init.num_parents = 1; /* For now, only XTAL input supported */ + init.parent_names = data->input_clk_name; + init.num_parents = SI5341_NUM_INPUTS; init.ops = &si5341_clk_ops; init.flags = 0; data->hw.init = &init; diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 1aa21178068f..f2c1377ef324 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -488,7 +488,7 @@ unsigned long clk_hw_get_rate(const struct clk_hw *hw) } EXPORT_SYMBOL_GPL(clk_hw_get_rate); -static unsigned long __clk_get_accuracy(struct clk_core *core) +static unsigned long clk_core_get_accuracy_no_lock(struct clk_core *core) { if (!core) return 0; @@ -1517,18 +1517,12 @@ static void __clk_recalc_accuracies(struct clk_core *core) __clk_recalc_accuracies(child); } -static long clk_core_get_accuracy(struct clk_core *core) +static long clk_core_get_accuracy_recalc(struct clk_core *core) { - unsigned long accuracy; - - clk_prepare_lock(); if (core && (core->flags & CLK_GET_ACCURACY_NOCACHE)) __clk_recalc_accuracies(core); - accuracy = __clk_get_accuracy(core); - clk_prepare_unlock(); - - return accuracy; + return clk_core_get_accuracy_no_lock(core); } /** @@ -1542,10 +1536,16 @@ static long clk_core_get_accuracy(struct clk_core *core) */ long clk_get_accuracy(struct clk *clk) { + long accuracy; + if (!clk) return 0; - return clk_core_get_accuracy(clk->core); + clk_prepare_lock(); + accuracy = clk_core_get_accuracy_recalc(clk->core); + clk_prepare_unlock(); + + return accuracy; } EXPORT_SYMBOL_GPL(clk_get_accuracy); @@ -1599,19 +1599,12 @@ static void __clk_recalc_rates(struct clk_core *core, unsigned long msg) __clk_recalc_rates(child, msg); } -static unsigned long clk_core_get_rate(struct clk_core *core) +static unsigned long clk_core_get_rate_recalc(struct clk_core *core) { - unsigned long rate; - - clk_prepare_lock(); - if (core && (core->flags & CLK_GET_RATE_NOCACHE)) __clk_recalc_rates(core, 0); - rate = clk_core_get_rate_nolock(core); - clk_prepare_unlock(); - - return rate; + return clk_core_get_rate_nolock(core); } /** @@ -1624,10 +1617,16 @@ static unsigned long clk_core_get_rate(struct clk_core *core) */ unsigned long clk_get_rate(struct clk *clk) { + unsigned long rate; + if (!clk) return 0; - return clk_core_get_rate(clk->core); + clk_prepare_lock(); + rate = clk_core_get_rate_recalc(clk->core); + clk_prepare_unlock(); + + return rate; } EXPORT_SYMBOL_GPL(clk_get_rate); @@ -2660,12 +2659,14 @@ static int clk_core_get_phase(struct clk_core *core) { int ret; - clk_prepare_lock(); + lockdep_assert_held(&prepare_lock); + if (!core->ops->get_phase) + return 0; + /* Always try to update cached phase if possible */ - if (core->ops->get_phase) - core->phase = core->ops->get_phase(core->hw); - ret = core->phase; - clk_prepare_unlock(); + ret = core->ops->get_phase(core->hw); + if (ret >= 0) + core->phase = ret; return ret; } @@ -2679,10 +2680,16 @@ static int clk_core_get_phase(struct clk_core *core) */ int clk_get_phase(struct clk *clk) { + int ret; + if (!clk) return 0; - return clk_core_get_phase(clk->core); + clk_prepare_lock(); + ret = clk_core_get_phase(clk->core); + clk_prepare_unlock(); + + return ret; } EXPORT_SYMBOL_GPL(clk_get_phase); @@ -2896,13 +2903,22 @@ static struct hlist_head *orphan_list[] = { static void clk_summary_show_one(struct seq_file *s, struct clk_core *c, int level) { - seq_printf(s, "%*s%-*s %7d %8d %8d %11lu %10lu %5d %6d\n", + int phase; + + seq_printf(s, "%*s%-*s %7d %8d %8d %11lu %10lu ", level * 3 + 1, "", 30 - level * 3, c->name, c->enable_count, c->prepare_count, c->protect_count, - clk_core_get_rate(c), clk_core_get_accuracy(c), - clk_core_get_phase(c), - clk_core_get_scaled_duty_cycle(c, 100000)); + clk_core_get_rate_recalc(c), + clk_core_get_accuracy_recalc(c)); + + phase = clk_core_get_phase(c); + if (phase >= 0) + seq_printf(s, "%5d", phase); + else + seq_puts(s, "-----"); + + seq_printf(s, " %6d\n", clk_core_get_scaled_duty_cycle(c, 100000)); } static void clk_summary_show_subtree(struct seq_file *s, struct clk_core *c, @@ -2939,6 +2955,7 @@ DEFINE_SHOW_ATTRIBUTE(clk_summary); static void clk_dump_one(struct seq_file *s, struct clk_core *c, int level) { + int phase; unsigned long min_rate, max_rate; clk_core_get_boundaries(c, &min_rate, &max_rate); @@ -2948,11 +2965,13 @@ static void clk_dump_one(struct seq_file *s, struct clk_core *c, int level) seq_printf(s, "\"enable_count\": %d,", c->enable_count); seq_printf(s, "\"prepare_count\": %d,", c->prepare_count); seq_printf(s, "\"protect_count\": %d,", c->protect_count); - seq_printf(s, "\"rate\": %lu,", clk_core_get_rate(c)); + seq_printf(s, "\"rate\": %lu,", clk_core_get_rate_recalc(c)); seq_printf(s, "\"min_rate\": %lu,", min_rate); seq_printf(s, "\"max_rate\": %lu,", max_rate); - seq_printf(s, "\"accuracy\": %lu,", clk_core_get_accuracy(c)); - seq_printf(s, "\"phase\": %d,", clk_core_get_phase(c)); + seq_printf(s, "\"accuracy\": %lu,", clk_core_get_accuracy_recalc(c)); + phase = clk_core_get_phase(c); + if (phase >= 0) + seq_printf(s, "\"phase\": %d,", phase); seq_printf(s, "\"duty_cycle\": %u", clk_core_get_scaled_duty_cycle(c, 100000)); } @@ -3323,7 +3342,9 @@ static void clk_core_reparent_orphans_nolock(void) static int __clk_core_init(struct clk_core *core) { int ret; + struct clk_core *parent; unsigned long rate; + int phase; if (!core) return -EINVAL; @@ -3394,7 +3415,7 @@ static int __clk_core_init(struct clk_core *core) goto out; } - core->parent = __clk_init_parent(core); + parent = core->parent = __clk_init_parent(core); /* * Populate core->parent if parent has already been clk_core_init'd. If @@ -3406,10 +3427,9 @@ static int __clk_core_init(struct clk_core *core) * clocks and re-parent any that are children of the clock currently * being clk_init'd. */ - if (core->parent) { - hlist_add_head(&core->child_node, - &core->parent->children); - core->orphan = core->parent->orphan; + if (parent) { + hlist_add_head(&core->child_node, &parent->children); + core->orphan = parent->orphan; } else if (!core->num_parents) { hlist_add_head(&core->child_node, &clk_root_list); core->orphan = false; @@ -3427,21 +3447,24 @@ static int __clk_core_init(struct clk_core *core) */ if (core->ops->recalc_accuracy) core->accuracy = core->ops->recalc_accuracy(core->hw, - __clk_get_accuracy(core->parent)); - else if (core->parent) - core->accuracy = core->parent->accuracy; + clk_core_get_accuracy_no_lock(parent)); + else if (parent) + core->accuracy = parent->accuracy; else core->accuracy = 0; /* - * Set clk's phase. + * Set clk's phase by clk_core_get_phase() caching the phase. * Since a phase is by definition relative to its parent, just * query the current clock phase, or just assume it's in phase. */ - if (core->ops->get_phase) - core->phase = core->ops->get_phase(core->hw); - else - core->phase = 0; + phase = clk_core_get_phase(core); + if (phase < 0) { + ret = phase; + pr_warn("%s: Failed to get phase for clk '%s'\n", __func__, + core->name); + goto out; + } /* * Set clk's duty cycle. @@ -3456,9 +3479,9 @@ static int __clk_core_init(struct clk_core *core) */ if (core->ops->recalc_rate) rate = core->ops->recalc_rate(core->hw, - clk_core_get_rate_nolock(core->parent)); - else if (core->parent) - rate = core->parent->rate; + clk_core_get_rate_nolock(parent)); + else if (parent) + rate = parent->rate; else rate = 0; core->rate = core->req_rate = rate; @@ -4865,8 +4888,8 @@ static int parent_ready(struct device_node *np) * * Return: error code or zero on success */ -int of_clk_detect_critical(struct device_node *np, - int index, unsigned long *flags) +int of_clk_detect_critical(struct device_node *np, int index, + unsigned long *flags) { struct property *prop; const __be32 *cur; diff --git a/drivers/clk/ingenic/jz4770-cgu.c b/drivers/clk/ingenic/jz4770-cgu.c index 956dd653a43d..c051ecba5cf8 100644 --- a/drivers/clk/ingenic/jz4770-cgu.c +++ b/drivers/clk/ingenic/jz4770-cgu.c @@ -432,8 +432,10 @@ static void __init jz4770_cgu_init(struct device_node *np) cgu = ingenic_cgu_new(jz4770_cgu_clocks, ARRAY_SIZE(jz4770_cgu_clocks), np); - if (!cgu) + if (!cgu) { pr_err("%s: failed to initialise CGU\n", __func__); + return; + } retval = ingenic_cgu_register_clocks(cgu); if (retval) diff --git a/drivers/clk/ingenic/jz4780-cgu.c b/drivers/clk/ingenic/jz4780-cgu.c index ea905ff72bf0..c758f1643067 100644 --- a/drivers/clk/ingenic/jz4780-cgu.c +++ b/drivers/clk/ingenic/jz4780-cgu.c @@ -9,14 +9,16 @@ #include <linux/clk-provider.h> #include <linux/delay.h> #include <linux/io.h> +#include <linux/iopoll.h> #include <linux/of.h> + #include <dt-bindings/clock/jz4780-cgu.h> #include "cgu.h" #include "pm.h" /* CGU register offsets */ #define CGU_REG_CLOCKCONTROL 0x00 -#define CGU_REG_PLLCONTROL 0x0c +#define CGU_REG_LCR 0x04 #define CGU_REG_APLL 0x10 #define CGU_REG_MPLL 0x14 #define CGU_REG_EPLL 0x18 @@ -46,8 +48,8 @@ #define CGU_REG_CLOCKSTATUS 0xd4 /* bits within the OPCR register */ -#define OPCR_SPENDN0 (1 << 7) -#define OPCR_SPENDN1 (1 << 6) +#define OPCR_SPENDN0 BIT(7) +#define OPCR_SPENDN1 BIT(6) /* bits within the USBPCR register */ #define USBPCR_USB_MODE BIT(31) @@ -88,6 +90,13 @@ #define USBVBFIL_IDDIGFIL_MASK (0xffff << USBVBFIL_IDDIGFIL_SHIFT) #define USBVBFIL_USBVBFIL_MASK (0xffff) +/* bits within the LCR register */ +#define LCR_PD_SCPU BIT(31) +#define LCR_SCPUS BIT(27) + +/* bits within the CLKGR1 register */ +#define CLKGR1_CORE1 BIT(15) + static struct ingenic_cgu *cgu; static u8 jz4780_otg_phy_get_parent(struct clk_hw *hw) @@ -205,6 +214,42 @@ static const struct clk_ops jz4780_otg_phy_ops = { .set_rate = jz4780_otg_phy_set_rate, }; +static int jz4780_core1_enable(struct clk_hw *hw) +{ + struct ingenic_clk *ingenic_clk = to_ingenic_clk(hw); + struct ingenic_cgu *cgu = ingenic_clk->cgu; + const unsigned int timeout = 5000; + unsigned long flags; + int retval; + u32 lcr, clkgr1; + + spin_lock_irqsave(&cgu->lock, flags); + + lcr = readl(cgu->base + CGU_REG_LCR); + lcr &= ~LCR_PD_SCPU; + writel(lcr, cgu->base + CGU_REG_LCR); + + clkgr1 = readl(cgu->base + CGU_REG_CLKGR1); + clkgr1 &= ~CLKGR1_CORE1; + writel(clkgr1, cgu->base + CGU_REG_CLKGR1); + + spin_unlock_irqrestore(&cgu->lock, flags); + + /* wait for the CPU to be powered up */ + retval = readl_poll_timeout(cgu->base + CGU_REG_LCR, lcr, + !(lcr & LCR_SCPUS), 10, timeout); + if (retval == -ETIMEDOUT) { + pr_err("%s: Wait for power up core1 timeout\n", __func__); + return retval; + } + + return 0; +} + +static const struct clk_ops jz4780_core1_ops = { + .enable = jz4780_core1_enable, +}; + static const s8 pll_od_encoding[16] = { 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf, @@ -699,9 +744,9 @@ static const struct ingenic_cgu_clk_info jz4780_cgu_clocks[] = { }, [JZ4780_CLK_CORE1] = { - "core1", CGU_CLK_GATE, + "core1", CGU_CLK_CUSTOM, .parents = { JZ4780_CLK_CPU, -1, -1, -1 }, - .gate = { CGU_REG_CLKGR1, 15 }, + .custom = { &jz4780_core1_ops }, }, }; diff --git a/drivers/clk/ingenic/tcu.c b/drivers/clk/ingenic/tcu.c index ad7daa494fd4..153a954b0d2f 100644 --- a/drivers/clk/ingenic/tcu.c +++ b/drivers/clk/ingenic/tcu.c @@ -189,7 +189,7 @@ static long ingenic_tcu_round_rate(struct clk_hw *hw, unsigned long req_rate, u8 prescale; if (req_rate > rate) - return -EINVAL; + return rate; prescale = ingenic_tcu_get_prescale(rate, req_rate); @@ -317,10 +317,17 @@ static const struct ingenic_soc_info jz4770_soc_info = { .has_tcu_clk = false, }; +static const struct ingenic_soc_info x1000_soc_info = { + .num_channels = 8, + .has_ost = false, /* X1000 has OST, but it not belong TCU */ + .has_tcu_clk = false, +}; + static const struct of_device_id ingenic_tcu_of_match[] __initconst = { { .compatible = "ingenic,jz4740-tcu", .data = &jz4740_soc_info, }, { .compatible = "ingenic,jz4725b-tcu", .data = &jz4725b_soc_info, }, { .compatible = "ingenic,jz4770-tcu", .data = &jz4770_soc_info, }, + { .compatible = "ingenic,x1000-tcu", .data = &x1000_soc_info, }, { /* sentinel */ } }; @@ -471,3 +478,4 @@ static void __init ingenic_tcu_init(struct device_node *np) CLK_OF_DECLARE_DRIVER(jz4740_cgu, "ingenic,jz4740-tcu", ingenic_tcu_init); CLK_OF_DECLARE_DRIVER(jz4725b_cgu, "ingenic,jz4725b-tcu", ingenic_tcu_init); CLK_OF_DECLARE_DRIVER(jz4770_cgu, "ingenic,jz4770-tcu", ingenic_tcu_init); +CLK_OF_DECLARE_DRIVER(x1000_cgu, "ingenic,x1000-tcu", ingenic_tcu_init); diff --git a/drivers/clk/keystone/Kconfig b/drivers/clk/keystone/Kconfig index 38aeefb1e808..ab613f28b502 100644 --- a/drivers/clk/keystone/Kconfig +++ b/drivers/clk/keystone/Kconfig @@ -26,3 +26,11 @@ config TI_SCI_CLK_PROBE_FROM_FW This is mostly only useful for debugging purposes, and will increase the boot time of the device. If you want the clocks probed from firmware, say Y. Otherwise, say N. + +config TI_SYSCON_CLK + tristate "Syscon based clock driver for K2/K3 SoCs" + depends on ARCH_KEYSTONE || ARCH_K3 || COMPILE_TEST + default ARCH_KEYSTONE || ARCH_K3 + help + This adds clock driver support for syscon based gate + clocks on TI's K2 and K3 SoCs. diff --git a/drivers/clk/keystone/Makefile b/drivers/clk/keystone/Makefile index d044de6f965c..0e426e648f7c 100644 --- a/drivers/clk/keystone/Makefile +++ b/drivers/clk/keystone/Makefile @@ -1,3 +1,4 @@ # SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_COMMON_CLK_KEYSTONE) += pll.o gate.o obj-$(CONFIG_TI_SCI_CLK) += sci-clk.o +obj-$(CONFIG_TI_SYSCON_CLK) += syscon-clk.o diff --git a/drivers/clk/keystone/syscon-clk.c b/drivers/clk/keystone/syscon-clk.c new file mode 100644 index 000000000000..8d7dbea3bd30 --- /dev/null +++ b/drivers/clk/keystone/syscon-clk.c @@ -0,0 +1,172 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com/ + */ + +#include <linux/clk-provider.h> +#include <linux/mfd/syscon.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> + +struct ti_syscon_gate_clk_priv { + struct clk_hw hw; + struct regmap *regmap; + u32 reg; + u32 idx; +}; + +struct ti_syscon_gate_clk_data { + char *name; + u32 offset; + u32 bit_idx; +}; + +static struct +ti_syscon_gate_clk_priv *to_ti_syscon_gate_clk_priv(struct clk_hw *hw) +{ + return container_of(hw, struct ti_syscon_gate_clk_priv, hw); +} + +static int ti_syscon_gate_clk_enable(struct clk_hw *hw) +{ + struct ti_syscon_gate_clk_priv *priv = to_ti_syscon_gate_clk_priv(hw); + + return regmap_write_bits(priv->regmap, priv->reg, priv->idx, + priv->idx); +} + +static void ti_syscon_gate_clk_disable(struct clk_hw *hw) +{ + struct ti_syscon_gate_clk_priv *priv = to_ti_syscon_gate_clk_priv(hw); + + regmap_write_bits(priv->regmap, priv->reg, priv->idx, 0); +} + +static int ti_syscon_gate_clk_is_enabled(struct clk_hw *hw) +{ + unsigned int val; + struct ti_syscon_gate_clk_priv *priv = to_ti_syscon_gate_clk_priv(hw); + + regmap_read(priv->regmap, priv->reg, &val); + + return !!(val & priv->idx); +} + +static const struct clk_ops ti_syscon_gate_clk_ops = { + .enable = ti_syscon_gate_clk_enable, + .disable = ti_syscon_gate_clk_disable, + .is_enabled = ti_syscon_gate_clk_is_enabled, +}; + +static struct clk_hw +*ti_syscon_gate_clk_register(struct device *dev, struct regmap *regmap, + const struct ti_syscon_gate_clk_data *data) +{ + struct ti_syscon_gate_clk_priv *priv; + struct clk_init_data init; + int ret; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return ERR_PTR(-ENOMEM); + + init.name = data->name; + init.ops = &ti_syscon_gate_clk_ops; + init.parent_names = NULL; + init.num_parents = 0; + init.flags = 0; + + priv->regmap = regmap; + priv->reg = data->offset; + priv->idx = BIT(data->bit_idx); + priv->hw.init = &init; + + ret = devm_clk_hw_register(dev, &priv->hw); + if (ret) + return ERR_PTR(ret); + + return &priv->hw; +} + +static int ti_syscon_gate_clk_probe(struct platform_device *pdev) +{ + const struct ti_syscon_gate_clk_data *data, *p; + struct clk_hw_onecell_data *hw_data; + struct device *dev = &pdev->dev; + struct regmap *regmap; + int num_clks, i; + + data = device_get_match_data(dev); + if (!data) + return -EINVAL; + + regmap = syscon_node_to_regmap(dev->of_node); + if (IS_ERR(regmap)) { + if (PTR_ERR(regmap) == -EPROBE_DEFER) + return -EPROBE_DEFER; + dev_err(dev, "failed to find parent regmap\n"); + return PTR_ERR(regmap); + } + + num_clks = 0; + for (p = data; p->name; p++) + num_clks++; + + hw_data = devm_kzalloc(dev, struct_size(hw_data, hws, num_clks), + GFP_KERNEL); + if (!hw_data) + return -ENOMEM; + + hw_data->num = num_clks; + + for (i = 0; i < num_clks; i++) { + hw_data->hws[i] = ti_syscon_gate_clk_register(dev, regmap, + &data[i]); + if (IS_ERR(hw_data->hws[i])) + dev_warn(dev, "failed to register %s\n", + data[i].name); + } + + return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, + hw_data); +} + +#define TI_SYSCON_CLK_GATE(_name, _offset, _bit_idx) \ + { \ + .name = _name, \ + .offset = (_offset), \ + .bit_idx = (_bit_idx), \ + } + +static const struct ti_syscon_gate_clk_data am654_clk_data[] = { + TI_SYSCON_CLK_GATE("ehrpwm_tbclk0", 0x0, 0), + TI_SYSCON_CLK_GATE("ehrpwm_tbclk1", 0x4, 0), + TI_SYSCON_CLK_GATE("ehrpwm_tbclk2", 0x8, 0), + TI_SYSCON_CLK_GATE("ehrpwm_tbclk3", 0xc, 0), + TI_SYSCON_CLK_GATE("ehrpwm_tbclk4", 0x10, 0), + TI_SYSCON_CLK_GATE("ehrpwm_tbclk5", 0x14, 0), + { /* Sentinel */ }, +}; + +static const struct of_device_id ti_syscon_gate_clk_ids[] = { + { + .compatible = "ti,am654-ehrpwm-tbclk", + .data = &am654_clk_data, + }, + { } +}; +MODULE_DEVICE_TABLE(of, ti_syscon_gate_clk_ids); + +static struct platform_driver ti_syscon_gate_clk_driver = { + .probe = ti_syscon_gate_clk_probe, + .driver = { + .name = "ti-syscon-gate-clk", + .of_match_table = ti_syscon_gate_clk_ids, + }, +}; +module_platform_driver(ti_syscon_gate_clk_driver); + +MODULE_AUTHOR("Vignesh Raghavendra <[email protected]>"); +MODULE_DESCRIPTION("Syscon backed gate-clock driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/clk/meson/g12a.c b/drivers/clk/meson/g12a.c index d2760a021301..fad616cac01e 100644 --- a/drivers/clk/meson/g12a.c +++ b/drivers/clk/meson/g12a.c @@ -3862,6 +3862,111 @@ static struct clk_regmap g12a_ts = { }, }; +/* SPICC SCLK source clock */ + +static const struct clk_parent_data spicc_sclk_parent_data[] = { + { .fw_name = "xtal", }, + { .hw = &g12a_clk81.hw }, + { .hw = &g12a_fclk_div4.hw }, + { .hw = &g12a_fclk_div3.hw }, + { .hw = &g12a_fclk_div5.hw }, + { .hw = &g12a_fclk_div7.hw }, +}; + +static struct clk_regmap g12a_spicc0_sclk_sel = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_SPICC_CLK_CNTL, + .mask = 7, + .shift = 7, + }, + .hw.init = &(struct clk_init_data){ + .name = "spicc0_sclk_sel", + .ops = &clk_regmap_mux_ops, + .parent_data = spicc_sclk_parent_data, + .num_parents = ARRAY_SIZE(spicc_sclk_parent_data), + }, +}; + +static struct clk_regmap g12a_spicc0_sclk_div = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_SPICC_CLK_CNTL, + .shift = 0, + .width = 6, + }, + .hw.init = &(struct clk_init_data){ + .name = "spicc0_sclk_div", + .ops = &clk_regmap_divider_ops, + .parent_hws = (const struct clk_hw *[]) { + &g12a_spicc0_sclk_sel.hw + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_regmap g12a_spicc0_sclk = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_SPICC_CLK_CNTL, + .bit_idx = 6, + }, + .hw.init = &(struct clk_init_data){ + .name = "spicc0_sclk", + .ops = &clk_regmap_gate_ops, + .parent_hws = (const struct clk_hw *[]) { + &g12a_spicc0_sclk_div.hw + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_regmap g12a_spicc1_sclk_sel = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_SPICC_CLK_CNTL, + .mask = 7, + .shift = 23, + }, + .hw.init = &(struct clk_init_data){ + .name = "spicc1_sclk_sel", + .ops = &clk_regmap_mux_ops, + .parent_data = spicc_sclk_parent_data, + .num_parents = ARRAY_SIZE(spicc_sclk_parent_data), + }, +}; + +static struct clk_regmap g12a_spicc1_sclk_div = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_SPICC_CLK_CNTL, + .shift = 16, + .width = 6, + }, + .hw.init = &(struct clk_init_data){ + .name = "spicc1_sclk_div", + .ops = &clk_regmap_divider_ops, + .parent_hws = (const struct clk_hw *[]) { + &g12a_spicc1_sclk_sel.hw + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_regmap g12a_spicc1_sclk = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_SPICC_CLK_CNTL, + .bit_idx = 22, + }, + .hw.init = &(struct clk_init_data){ + .name = "spicc1_sclk", + .ops = &clk_regmap_gate_ops, + .parent_hws = (const struct clk_hw *[]) { + &g12a_spicc1_sclk_div.hw + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + #define MESON_GATE(_name, _reg, _bit) \ MESON_PCLK(_name, _reg, _bit, &g12a_clk81.hw) @@ -4159,6 +4264,12 @@ static struct clk_hw_onecell_data g12a_hw_onecell_data = { [CLKID_VDEC_HEVCF] = &g12a_vdec_hevcf.hw, [CLKID_TS_DIV] = &g12a_ts_div.hw, [CLKID_TS] = &g12a_ts.hw, + [CLKID_SPICC0_SCLK_SEL] = &g12a_spicc0_sclk_sel.hw, + [CLKID_SPICC0_SCLK_DIV] = &g12a_spicc0_sclk_div.hw, + [CLKID_SPICC0_SCLK] = &g12a_spicc0_sclk.hw, + [CLKID_SPICC1_SCLK_SEL] = &g12a_spicc1_sclk_sel.hw, + [CLKID_SPICC1_SCLK_DIV] = &g12a_spicc1_sclk_div.hw, + [CLKID_SPICC1_SCLK] = &g12a_spicc1_sclk.hw, [NR_CLKS] = NULL, }, .num = NR_CLKS, @@ -4408,6 +4519,12 @@ static struct clk_hw_onecell_data g12b_hw_onecell_data = { [CLKID_CPUB_CLK_AXI] = &g12b_cpub_clk_axi.hw, [CLKID_CPUB_CLK_TRACE_SEL] = &g12b_cpub_clk_trace_sel.hw, [CLKID_CPUB_CLK_TRACE] = &g12b_cpub_clk_trace.hw, + [CLKID_SPICC0_SCLK_SEL] = &g12a_spicc0_sclk_sel.hw, + [CLKID_SPICC0_SCLK_DIV] = &g12a_spicc0_sclk_div.hw, + [CLKID_SPICC0_SCLK] = &g12a_spicc0_sclk.hw, + [CLKID_SPICC1_SCLK_SEL] = &g12a_spicc1_sclk_sel.hw, + [CLKID_SPICC1_SCLK_DIV] = &g12a_spicc1_sclk_div.hw, + [CLKID_SPICC1_SCLK] = &g12a_spicc1_sclk.hw, [NR_CLKS] = NULL, }, .num = NR_CLKS, @@ -4642,6 +4759,12 @@ static struct clk_hw_onecell_data sm1_hw_onecell_data = { [CLKID_CPU1_CLK] = &sm1_cpu1_clk.hw, [CLKID_CPU2_CLK] = &sm1_cpu2_clk.hw, [CLKID_CPU3_CLK] = &sm1_cpu3_clk.hw, + [CLKID_SPICC0_SCLK_SEL] = &g12a_spicc0_sclk_sel.hw, + [CLKID_SPICC0_SCLK_DIV] = &g12a_spicc0_sclk_div.hw, + [CLKID_SPICC0_SCLK] = &g12a_spicc0_sclk.hw, + [CLKID_SPICC1_SCLK_SEL] = &g12a_spicc1_sclk_sel.hw, + [CLKID_SPICC1_SCLK_DIV] = &g12a_spicc1_sclk_div.hw, + [CLKID_SPICC1_SCLK] = &g12a_spicc1_sclk.hw, [NR_CLKS] = NULL, }, .num = NR_CLKS, @@ -4877,6 +5000,12 @@ static struct clk_regmap *const g12a_clk_regmaps[] = { &sm1_cpu1_clk, &sm1_cpu2_clk, &sm1_cpu3_clk, + &g12a_spicc0_sclk_sel, + &g12a_spicc0_sclk_div, + &g12a_spicc0_sclk, + &g12a_spicc1_sclk_sel, + &g12a_spicc1_sclk_div, + &g12a_spicc1_sclk, }; static const struct reg_sequence g12a_init_regs[] = { diff --git a/drivers/clk/meson/g12a.h b/drivers/clk/meson/g12a.h index 9df4068aced1..a8852556836e 100644 --- a/drivers/clk/meson/g12a.h +++ b/drivers/clk/meson/g12a.h @@ -255,8 +255,12 @@ #define CLKID_DSU_CLK_DYN1 249 #define CLKID_DSU_CLK_DYN 250 #define CLKID_DSU_CLK_FINAL 251 +#define CLKID_SPICC0_SCLK_SEL 256 +#define CLKID_SPICC0_SCLK_DIV 257 +#define CLKID_SPICC1_SCLK_SEL 259 +#define CLKID_SPICC1_SCLK_DIV 260 -#define NR_CLKS 256 +#define NR_CLKS 262 /* include the CLKIDs that have been made part of the DT binding */ #include <dt-bindings/clock/g12a-clkc.h> diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c index 1f9c056e684c..5fd6a574f8c3 100644 --- a/drivers/clk/meson/gxbb.c +++ b/drivers/clk/meson/gxbb.c @@ -2613,19 +2613,12 @@ static MESON_GATE(gxbb_assist_misc, HHI_GCLK_MPEG0, 23); static MESON_GATE(gxbb_emmc_a, HHI_GCLK_MPEG0, 24); static MESON_GATE(gxbb_emmc_b, HHI_GCLK_MPEG0, 25); static MESON_GATE(gxbb_emmc_c, HHI_GCLK_MPEG0, 26); +static MESON_GATE(gxl_acodec, HHI_GCLK_MPEG0, 28); static MESON_GATE(gxbb_spi, HHI_GCLK_MPEG0, 30); static MESON_GATE(gxbb_i2s_spdif, HHI_GCLK_MPEG1, 2); static MESON_GATE(gxbb_eth, HHI_GCLK_MPEG1, 3); static MESON_GATE(gxbb_demux, HHI_GCLK_MPEG1, 4); -static MESON_GATE(gxbb_aiu_glue, HHI_GCLK_MPEG1, 6); -static MESON_GATE(gxbb_iec958, HHI_GCLK_MPEG1, 7); -static MESON_GATE(gxbb_i2s_out, HHI_GCLK_MPEG1, 8); -static MESON_GATE(gxbb_amclk, HHI_GCLK_MPEG1, 9); -static MESON_GATE(gxbb_aififo2, HHI_GCLK_MPEG1, 10); -static MESON_GATE(gxbb_mixer, HHI_GCLK_MPEG1, 11); -static MESON_GATE(gxbb_mixer_iface, HHI_GCLK_MPEG1, 12); -static MESON_GATE(gxbb_adc, HHI_GCLK_MPEG1, 13); static MESON_GATE(gxbb_blkmv, HHI_GCLK_MPEG1, 14); static MESON_GATE(gxbb_aiu, HHI_GCLK_MPEG1, 15); static MESON_GATE(gxbb_uart1, HHI_GCLK_MPEG1, 16); @@ -2680,6 +2673,16 @@ static MESON_GATE(gxbb_ao_ahb_bus, HHI_GCLK_AO, 2); static MESON_GATE(gxbb_ao_iface, HHI_GCLK_AO, 3); static MESON_GATE(gxbb_ao_i2c, HHI_GCLK_AO, 4); +/* AIU gates */ +static MESON_PCLK(gxbb_aiu_glue, HHI_GCLK_MPEG1, 6, &gxbb_aiu.hw); +static MESON_PCLK(gxbb_iec958, HHI_GCLK_MPEG1, 7, &gxbb_aiu_glue.hw); +static MESON_PCLK(gxbb_i2s_out, HHI_GCLK_MPEG1, 8, &gxbb_aiu_glue.hw); +static MESON_PCLK(gxbb_amclk, HHI_GCLK_MPEG1, 9, &gxbb_aiu_glue.hw); +static MESON_PCLK(gxbb_aififo2, HHI_GCLK_MPEG1, 10, &gxbb_aiu_glue.hw); +static MESON_PCLK(gxbb_mixer, HHI_GCLK_MPEG1, 11, &gxbb_aiu_glue.hw); +static MESON_PCLK(gxbb_mixer_iface, HHI_GCLK_MPEG1, 12, &gxbb_aiu_glue.hw); +static MESON_PCLK(gxbb_adc, HHI_GCLK_MPEG1, 13, &gxbb_aiu_glue.hw); + /* Array of all clocks provided by this provider */ static struct clk_hw_onecell_data gxbb_hw_onecell_data = { @@ -3100,6 +3103,7 @@ static struct clk_hw_onecell_data gxl_hw_onecell_data = { [CLKID_HDMI_SEL] = &gxbb_hdmi_sel.hw, [CLKID_HDMI_DIV] = &gxbb_hdmi_div.hw, [CLKID_HDMI] = &gxbb_hdmi.hw, + [CLKID_ACODEC] = &gxl_acodec.hw, [NR_CLKS] = NULL, }, .num = NR_CLKS, @@ -3491,6 +3495,7 @@ static struct clk_regmap *const gxl_clk_regmaps[] = { &gxl_hdmi_pll_od, &gxl_hdmi_pll_od2, &gxl_hdmi_pll_dco, + &gxl_acodec, }; static const struct meson_eeclkc_data gxbb_clkc_data = { diff --git a/drivers/clk/meson/gxbb.h b/drivers/clk/meson/gxbb.h index b53584fe66cf..1ee8cb7e2f5a 100644 --- a/drivers/clk/meson/gxbb.h +++ b/drivers/clk/meson/gxbb.h @@ -188,7 +188,7 @@ #define CLKID_HDMI_SEL 203 #define CLKID_HDMI_DIV 204 -#define NR_CLKS 206 +#define NR_CLKS 207 /* include the CLKIDs that have been made part of the DT binding */ #include <dt-bindings/clock/gxbb-clkc.h> diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c index 9fd31f23b2a9..34a70c4b4899 100644 --- a/drivers/clk/meson/meson8b.c +++ b/drivers/clk/meson/meson8b.c @@ -2605,14 +2605,6 @@ static MESON_GATE(meson8b_spi, HHI_GCLK_MPEG0, 30); static MESON_GATE(meson8b_i2s_spdif, HHI_GCLK_MPEG1, 2); static MESON_GATE(meson8b_eth, HHI_GCLK_MPEG1, 3); static MESON_GATE(meson8b_demux, HHI_GCLK_MPEG1, 4); -static MESON_GATE(meson8b_aiu_glue, HHI_GCLK_MPEG1, 6); -static MESON_GATE(meson8b_iec958, HHI_GCLK_MPEG1, 7); -static MESON_GATE(meson8b_i2s_out, HHI_GCLK_MPEG1, 8); -static MESON_GATE(meson8b_amclk, HHI_GCLK_MPEG1, 9); -static MESON_GATE(meson8b_aififo2, HHI_GCLK_MPEG1, 10); -static MESON_GATE(meson8b_mixer, HHI_GCLK_MPEG1, 11); -static MESON_GATE(meson8b_mixer_iface, HHI_GCLK_MPEG1, 12); -static MESON_GATE(meson8b_adc, HHI_GCLK_MPEG1, 13); static MESON_GATE(meson8b_blkmv, HHI_GCLK_MPEG1, 14); static MESON_GATE(meson8b_aiu, HHI_GCLK_MPEG1, 15); static MESON_GATE(meson8b_uart1, HHI_GCLK_MPEG1, 16); @@ -2659,6 +2651,19 @@ static MESON_GATE(meson8b_vclk2_vencl, HHI_GCLK_OTHER, 25); static MESON_GATE(meson8b_vclk2_other, HHI_GCLK_OTHER, 26); static MESON_GATE(meson8b_edp, HHI_GCLK_OTHER, 31); +/* AIU gates */ +#define MESON_AIU_GLUE_GATE(_name, _reg, _bit) \ + MESON_PCLK(_name, _reg, _bit, &meson8b_aiu_glue.hw) + +static MESON_PCLK(meson8b_aiu_glue, HHI_GCLK_MPEG1, 6, &meson8b_aiu.hw); +static MESON_AIU_GLUE_GATE(meson8b_iec958, HHI_GCLK_MPEG1, 7); +static MESON_AIU_GLUE_GATE(meson8b_i2s_out, HHI_GCLK_MPEG1, 8); +static MESON_AIU_GLUE_GATE(meson8b_amclk, HHI_GCLK_MPEG1, 9); +static MESON_AIU_GLUE_GATE(meson8b_aififo2, HHI_GCLK_MPEG1, 10); +static MESON_AIU_GLUE_GATE(meson8b_mixer, HHI_GCLK_MPEG1, 11); +static MESON_AIU_GLUE_GATE(meson8b_mixer_iface, HHI_GCLK_MPEG1, 12); +static MESON_AIU_GLUE_GATE(meson8b_adc, HHI_GCLK_MPEG1, 13); + /* Always On (AO) domain gates */ static MESON_GATE(meson8b_ao_media_cpu, HHI_GCLK_AO, 0); diff --git a/drivers/clk/mmp/Makefile b/drivers/clk/mmp/Makefile index acc141adf087..14dc8a8a9d08 100644 --- a/drivers/clk/mmp/Makefile +++ b/drivers/clk/mmp/Makefile @@ -8,7 +8,7 @@ obj-y += clk-apbc.o clk-apmu.o clk-frac.o clk-mix.o clk-gate.o clk.o obj-$(CONFIG_RESET_CONTROLLER) += reset.o obj-$(CONFIG_MACH_MMP_DT) += clk-of-pxa168.o clk-of-pxa910.o -obj-$(CONFIG_COMMON_CLK_MMP2) += clk-of-mmp2.o +obj-$(CONFIG_COMMON_CLK_MMP2) += clk-of-mmp2.o clk-pll.o obj-$(CONFIG_CPU_PXA168) += clk-pxa168.o obj-$(CONFIG_CPU_PXA910) += clk-pxa910.o diff --git a/drivers/clk/mmp/clk-mix.c b/drivers/clk/mmp/clk-mix.c index d2cd36c54474..7a351ec65564 100644 --- a/drivers/clk/mmp/clk-mix.c +++ b/drivers/clk/mmp/clk-mix.c @@ -441,7 +441,7 @@ const struct clk_ops mmp_clk_mix_ops = { struct clk *mmp_clk_register_mix(struct device *dev, const char *name, - const char **parent_names, + const char * const *parent_names, u8 num_parents, unsigned long flags, struct mmp_clk_mix_config *config, diff --git a/drivers/clk/mmp/clk-of-mmp2.c b/drivers/clk/mmp/clk-of-mmp2.c index 6e71591e63a0..52dc8b43acd9 100644 --- a/drivers/clk/mmp/clk-of-mmp2.c +++ b/drivers/clk/mmp/clk-of-mmp2.c @@ -3,6 +3,7 @@ * * Copyright (C) 2012 Marvell * Chao Xie <[email protected]> + * Copyright (C) 2020 Lubomir Rintel <[email protected]> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any @@ -48,17 +49,39 @@ #define APMU_SDH1 0x58 #define APMU_SDH2 0xe8 #define APMU_SDH3 0xec +#define APMU_SDH4 0x15c #define APMU_USB 0x5c #define APMU_DISP0 0x4c #define APMU_DISP1 0x110 #define APMU_CCIC0 0x50 #define APMU_CCIC1 0xf4 +#define APBC_THERMAL0 0x90 +#define APBC_THERMAL1 0x98 +#define APBC_THERMAL2 0x9c +#define APBC_THERMAL3 0xa0 #define APMU_USBHSIC0 0xf8 #define APMU_USBHSIC1 0xfc -#define MPMU_UART_PLL 0x14 +#define APMU_GPU 0xcc + +#define MPMU_FCCR 0x8 +#define MPMU_POSR 0x10 +#define MPMU_UART_PLL 0x14 +#define MPMU_PLL2_CR 0x34 +/* MMP3 specific below */ +#define MPMU_PLL3_CR 0x50 +#define MPMU_PLL3_CTRL1 0x58 +#define MPMU_PLL1_CTRL 0x5c +#define MPMU_PLL_DIFF_CTRL 0x68 +#define MPMU_PLL2_CTRL1 0x414 + +enum mmp2_clk_model { + CLK_MODEL_MMP2, + CLK_MODEL_MMP3, +}; struct mmp2_clk_unit { struct mmp_clk_unit unit; + enum mmp2_clk_model model; void __iomem *mpmu_base; void __iomem *apmu_base; void __iomem *apbc_base; @@ -67,11 +90,22 @@ struct mmp2_clk_unit { static struct mmp_param_fixed_rate_clk fixed_rate_clks[] = { {MMP2_CLK_CLK32, "clk32", NULL, 0, 32768}, {MMP2_CLK_VCTCXO, "vctcxo", NULL, 0, 26000000}, - {MMP2_CLK_PLL1, "pll1", NULL, 0, 800000000}, - {MMP2_CLK_PLL2, "pll2", NULL, 0, 960000000}, {MMP2_CLK_USB_PLL, "usb_pll", NULL, 0, 480000000}, }; +static struct mmp_param_pll_clk pll_clks[] = { + {MMP2_CLK_PLL1, "pll1", 797330000, MPMU_FCCR, 0x4000, MPMU_POSR, 0}, + {MMP2_CLK_PLL2, "pll2", 0, MPMU_PLL2_CR, 0x0300, MPMU_PLL2_CR, 10}, +}; + +static struct mmp_param_pll_clk mmp3_pll_clks[] = { + {MMP2_CLK_PLL2, "pll1", 797330000, MPMU_FCCR, 0x4000, MPMU_POSR, 0, 26000000, MPMU_PLL1_CTRL, 25}, + {MMP2_CLK_PLL2, "pll2", 0, MPMU_PLL2_CR, 0x0300, MPMU_PLL2_CR, 10, 26000000, MPMU_PLL2_CTRL1, 25}, + {MMP3_CLK_PLL1_P, "pll1_p", 0, MPMU_PLL_DIFF_CTRL, 0x0010, 0, 0, 797330000, MPMU_PLL_DIFF_CTRL, 0}, + {MMP3_CLK_PLL2_P, "pll2_p", 0, MPMU_PLL_DIFF_CTRL, 0x0100, MPMU_PLL2_CR, 10, 26000000, MPMU_PLL_DIFF_CTRL, 5}, + {MMP3_CLK_PLL3, "pll3", 0, MPMU_PLL3_CR, 0x0300, MPMU_PLL3_CR, 10, 26000000, MPMU_PLL3_CTRL1, 25}, +}; + static struct mmp_param_fixed_factor_clk fixed_factor_clks[] = { {MMP2_CLK_PLL1_2, "pll1_2", "pll1", 1, 2, 0}, {MMP2_CLK_PLL1_4, "pll1_4", "pll1_2", 1, 2, 0}, @@ -113,6 +147,16 @@ static void mmp2_pll_init(struct mmp2_clk_unit *pxa_unit) mmp_register_fixed_rate_clks(unit, fixed_rate_clks, ARRAY_SIZE(fixed_rate_clks)); + if (pxa_unit->model == CLK_MODEL_MMP3) { + mmp_register_pll_clks(unit, mmp3_pll_clks, + pxa_unit->mpmu_base, + ARRAY_SIZE(mmp3_pll_clks)); + } else { + mmp_register_pll_clks(unit, pll_clks, + pxa_unit->mpmu_base, + ARRAY_SIZE(pll_clks)); + } + mmp_register_fixed_factor_clks(unit, fixed_factor_clks, ARRAY_SIZE(fixed_factor_clks)); @@ -127,16 +171,16 @@ static void mmp2_pll_init(struct mmp2_clk_unit *pxa_unit) static DEFINE_SPINLOCK(uart0_lock); static DEFINE_SPINLOCK(uart1_lock); static DEFINE_SPINLOCK(uart2_lock); -static const char *uart_parent_names[] = {"uart_pll", "vctcxo"}; +static const char * const uart_parent_names[] = {"uart_pll", "vctcxo"}; static DEFINE_SPINLOCK(ssp0_lock); static DEFINE_SPINLOCK(ssp1_lock); static DEFINE_SPINLOCK(ssp2_lock); static DEFINE_SPINLOCK(ssp3_lock); -static const char *ssp_parent_names[] = {"vctcxo_4", "vctcxo_2", "vctcxo", "pll1_16"}; +static const char * const ssp_parent_names[] = {"vctcxo_4", "vctcxo_2", "vctcxo", "pll1_16"}; static DEFINE_SPINLOCK(timer_lock); -static const char *timer_parent_names[] = {"clk32", "vctcxo_4", "vctcxo_2", "vctcxo"}; +static const char * const timer_parent_names[] = {"clk32", "vctcxo_4", "vctcxo_2", "vctcxo"}; static DEFINE_SPINLOCK(reset_lock); @@ -176,6 +220,13 @@ static struct mmp_param_gate_clk apbc_gate_clks[] = { {MMP2_CLK_SSP2, "ssp2_clk", "ssp2_mux", CLK_SET_RATE_PARENT, APBC_SSP2, 0x7, 0x3, 0x0, 0, &ssp2_lock}, {MMP2_CLK_SSP3, "ssp3_clk", "ssp3_mux", CLK_SET_RATE_PARENT, APBC_SSP3, 0x7, 0x3, 0x0, 0, &ssp3_lock}, {MMP2_CLK_TIMER, "timer_clk", "timer_mux", CLK_SET_RATE_PARENT, APBC_TIMER, 0x7, 0x3, 0x0, 0, &timer_lock}, + {MMP2_CLK_THERMAL0, "thermal0_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_THERMAL0, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock}, +}; + +static struct mmp_param_gate_clk mmp3_apbc_gate_clks[] = { + {MMP3_CLK_THERMAL1, "thermal1_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_THERMAL1, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock}, + {MMP3_CLK_THERMAL2, "thermal2_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_THERMAL2, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock}, + {MMP3_CLK_THERMAL3, "thermal3_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_THERMAL3, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock}, }; static void mmp2_apb_periph_clk_init(struct mmp2_clk_unit *pxa_unit) @@ -187,10 +238,15 @@ static void mmp2_apb_periph_clk_init(struct mmp2_clk_unit *pxa_unit) mmp_register_gate_clks(unit, apbc_gate_clks, pxa_unit->apbc_base, ARRAY_SIZE(apbc_gate_clks)); + + if (pxa_unit->model == CLK_MODEL_MMP3) { + mmp_register_gate_clks(unit, mmp3_apbc_gate_clks, pxa_unit->apbc_base, + ARRAY_SIZE(mmp3_apbc_gate_clks)); + } } static DEFINE_SPINLOCK(sdh_lock); -static const char *sdh_parent_names[] = {"pll1_4", "pll2", "usb_pll", "pll1"}; +static const char * const sdh_parent_names[] = {"pll1_4", "pll2", "usb_pll", "pll1"}; static struct mmp_clk_mix_config sdh_mix_config = { .reg_info = DEFINE_MIX_REG_INFO(4, 10, 2, 8, 32), }; @@ -201,11 +257,20 @@ static DEFINE_SPINLOCK(usbhsic1_lock); static DEFINE_SPINLOCK(disp0_lock); static DEFINE_SPINLOCK(disp1_lock); -static const char *disp_parent_names[] = {"pll1", "pll1_16", "pll2", "vctcxo"}; +static const char * const disp_parent_names[] = {"pll1", "pll1_16", "pll2", "vctcxo"}; static DEFINE_SPINLOCK(ccic0_lock); static DEFINE_SPINLOCK(ccic1_lock); -static const char *ccic_parent_names[] = {"pll1_2", "pll1_16", "vctcxo"}; +static const char * const ccic_parent_names[] = {"pll1_2", "pll1_16", "vctcxo"}; + +static DEFINE_SPINLOCK(gpu_lock); +static const char * const mmp2_gpu_gc_parent_names[] = {"pll1_2", "pll1_3", "pll2_2", "pll2_3", "pll2", "usb_pll"}; +static u32 mmp2_gpu_gc_parent_table[] = { 0x0000, 0x0040, 0x0080, 0x00c0, 0x1000, 0x1040 }; +static const char * const mmp2_gpu_bus_parent_names[] = {"pll1_4", "pll2", "pll2_2", "usb_pll"}; +static u32 mmp2_gpu_bus_parent_table[] = { 0x0000, 0x0020, 0x0030, 0x4020 }; +static const char * const mmp3_gpu_bus_parent_names[] = {"pll1_4", "pll1_6", "pll1_2", "pll2_2"}; +static const char * const mmp3_gpu_gc_parent_names[] = {"pll1", "pll2", "pll1_p", "pll2_p"}; + static struct mmp_clk_mix_config ccic0_mix_config = { .reg_info = DEFINE_MIX_REG_INFO(4, 17, 2, 6, 32), }; @@ -218,6 +283,15 @@ static struct mmp_param_mux_clk apmu_mux_clks[] = { {MMP2_CLK_DISP1_MUX, "disp1_mux", disp_parent_names, ARRAY_SIZE(disp_parent_names), CLK_SET_RATE_PARENT, APMU_DISP1, 6, 2, 0, &disp1_lock}, }; +static struct mmp_param_mux_clk mmp3_apmu_mux_clks[] = { + {0, "gpu_bus_mux", mmp3_gpu_bus_parent_names, ARRAY_SIZE(mmp3_gpu_bus_parent_names), + CLK_SET_RATE_PARENT, APMU_GPU, 4, 2, 0, &gpu_lock}, + {0, "gpu_3d_mux", mmp3_gpu_gc_parent_names, ARRAY_SIZE(mmp3_gpu_gc_parent_names), + CLK_SET_RATE_PARENT, APMU_GPU, 6, 2, 0, &gpu_lock}, + {0, "gpu_2d_mux", mmp3_gpu_gc_parent_names, ARRAY_SIZE(mmp3_gpu_gc_parent_names), + CLK_SET_RATE_PARENT, APMU_GPU, 12, 2, 0, &gpu_lock}, +}; + static struct mmp_param_div_clk apmu_div_clks[] = { {0, "disp0_div", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 8, 4, 0, &disp0_lock}, {0, "disp0_sphy_div", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 15, 5, 0, &disp0_lock}, @@ -226,6 +300,11 @@ static struct mmp_param_div_clk apmu_div_clks[] = { {0, "ccic1_sphy_div", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 10, 5, 0, &ccic1_lock}, }; +static struct mmp_param_div_clk mmp3_apmu_div_clks[] = { + {0, "gpu_3d_div", "gpu_3d_mux", CLK_SET_RATE_PARENT, APMU_GPU, 24, 4, 0, &gpu_lock}, + {0, "gpu_2d_div", "gpu_2d_mux", CLK_SET_RATE_PARENT, APMU_GPU, 28, 4, 0, &gpu_lock}, +}; + static struct mmp_param_gate_clk apmu_gate_clks[] = { {MMP2_CLK_USB, "usb_clk", "usb_pll", 0, APMU_USB, 0x9, 0x9, 0x0, 0, &usb_lock}, {MMP2_CLK_USBHSIC0, "usbhsic0_clk", "usb_pll", 0, APMU_USBHSIC0, 0x1b, 0x1b, 0x0, 0, &usbhsic0_lock}, @@ -235,8 +314,8 @@ static struct mmp_param_gate_clk apmu_gate_clks[] = { {MMP2_CLK_SDH1, "sdh1_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH1, 0x1b, 0x1b, 0x0, 0, &sdh_lock}, {MMP2_CLK_SDH2, "sdh2_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH2, 0x1b, 0x1b, 0x0, 0, &sdh_lock}, {MMP2_CLK_SDH3, "sdh3_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH3, 0x1b, 0x1b, 0x0, 0, &sdh_lock}, - {MMP2_CLK_DISP0, "disp0_clk", "disp0_div", CLK_SET_RATE_PARENT, APMU_DISP0, 0x09, 0x09, 0x0, 0, &disp0_lock}, - {MMP2_CLK_DISP0_LCDC, "disp0_lcdc_clk", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 0x12, 0x12, 0x0, 0, &disp0_lock}, + {MMP2_CLK_DISP0, "disp0_clk", "disp0_div", CLK_SET_RATE_PARENT, APMU_DISP0, 0x12, 0x12, 0x0, 0, &disp0_lock}, + {MMP2_CLK_DISP0_LCDC, "disp0_lcdc_clk", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 0x09, 0x09, 0x0, 0, &disp0_lock}, {MMP2_CLK_DISP0_SPHY, "disp0_sphy_clk", "disp0_sphy_div", CLK_SET_RATE_PARENT, APMU_DISP0, 0x1024, 0x1024, 0x0, 0, &disp0_lock}, {MMP2_CLK_DISP1, "disp1_clk", "disp1_div", CLK_SET_RATE_PARENT, APMU_DISP1, 0x09, 0x09, 0x0, 0, &disp1_lock}, {MMP2_CLK_CCIC_ARBITER, "ccic_arbiter", "vctcxo", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x1800, 0x1800, 0x0, 0, &ccic0_lock}, @@ -246,6 +325,17 @@ static struct mmp_param_gate_clk apmu_gate_clks[] = { {MMP2_CLK_CCIC1, "ccic1_clk", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x1b, 0x1b, 0x0, 0, &ccic1_lock}, {MMP2_CLK_CCIC1_PHY, "ccic1_phy_clk", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x24, 0x24, 0x0, 0, &ccic1_lock}, {MMP2_CLK_CCIC1_SPHY, "ccic1_sphy_clk", "ccic1_sphy_div", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x300, 0x300, 0x0, 0, &ccic1_lock}, + {MMP2_CLK_GPU_BUS, "gpu_bus_clk", "gpu_bus_mux", CLK_SET_RATE_PARENT, APMU_GPU, 0xa, 0xa, 0x0, MMP_CLK_GATE_NEED_DELAY, &gpu_lock}, +}; + +static struct mmp_param_gate_clk mmp2_apmu_gate_clks[] = { + {MMP2_CLK_GPU_3D, "gpu_3d_clk", "gpu_3d_mux", CLK_SET_RATE_PARENT, APMU_GPU, 0x5, 0x5, 0x0, MMP_CLK_GATE_NEED_DELAY, &gpu_lock}, +}; + +static struct mmp_param_gate_clk mmp3_apmu_gate_clks[] = { + {MMP3_CLK_SDH4, "sdh4_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH4, 0x1b, 0x1b, 0x0, 0, &sdh_lock}, + {MMP3_CLK_GPU_3D, "gpu_3d_clk", "gpu_3d_div", CLK_SET_RATE_PARENT, APMU_GPU, 0x5, 0x5, 0x0, MMP_CLK_GATE_NEED_DELAY, &gpu_lock}, + {MMP3_CLK_GPU_2D, "gpu_2d_clk", "gpu_2d_div", CLK_SET_RATE_PARENT, APMU_GPU, 0x1c0000, 0x1c0000, 0x0, MMP_CLK_GATE_NEED_DELAY, &gpu_lock}, }; static void mmp2_axi_periph_clk_init(struct mmp2_clk_unit *pxa_unit) @@ -281,6 +371,34 @@ static void mmp2_axi_periph_clk_init(struct mmp2_clk_unit *pxa_unit) mmp_register_gate_clks(unit, apmu_gate_clks, pxa_unit->apmu_base, ARRAY_SIZE(apmu_gate_clks)); + + if (pxa_unit->model == CLK_MODEL_MMP3) { + mmp_register_mux_clks(unit, mmp3_apmu_mux_clks, pxa_unit->apmu_base, + ARRAY_SIZE(mmp3_apmu_mux_clks)); + + mmp_register_div_clks(unit, mmp3_apmu_div_clks, pxa_unit->apmu_base, + ARRAY_SIZE(mmp3_apmu_div_clks)); + + mmp_register_gate_clks(unit, mmp3_apmu_gate_clks, pxa_unit->apmu_base, + ARRAY_SIZE(mmp3_apmu_gate_clks)); + } else { + clk_register_mux_table(NULL, "gpu_3d_mux", mmp2_gpu_gc_parent_names, + ARRAY_SIZE(mmp2_gpu_gc_parent_names), + CLK_SET_RATE_PARENT, + pxa_unit->apmu_base + APMU_GPU, + 0, 0x10c0, 0, + mmp2_gpu_gc_parent_table, &gpu_lock); + + clk_register_mux_table(NULL, "gpu_bus_mux", mmp2_gpu_bus_parent_names, + ARRAY_SIZE(mmp2_gpu_bus_parent_names), + CLK_SET_RATE_PARENT, + pxa_unit->apmu_base + APMU_GPU, + 0, 0x4030, 0, + mmp2_gpu_bus_parent_table, &gpu_lock); + + mmp_register_gate_clks(unit, mmp2_apmu_gate_clks, pxa_unit->apmu_base, + ARRAY_SIZE(mmp2_apmu_gate_clks)); + } } static void mmp2_clk_reset_init(struct device_node *np, @@ -313,6 +431,11 @@ static void __init mmp2_clk_init(struct device_node *np) if (!pxa_unit) return; + if (of_device_is_compatible(np, "marvell,mmp3-clock")) + pxa_unit->model = CLK_MODEL_MMP3; + else + pxa_unit->model = CLK_MODEL_MMP2; + pxa_unit->mpmu_base = of_iomap(np, 0); if (!pxa_unit->mpmu_base) { pr_err("failed to map mpmu registers\n"); @@ -352,3 +475,4 @@ free_memory: } CLK_OF_DECLARE(mmp2_clk, "marvell,mmp2-clock", mmp2_clk_init); +CLK_OF_DECLARE(mmp3_clk, "marvell,mmp3-clock", mmp2_clk_init); diff --git a/drivers/clk/mmp/clk-pll.c b/drivers/clk/mmp/clk-pll.c new file mode 100644 index 000000000000..7077be293871 --- /dev/null +++ b/drivers/clk/mmp/clk-pll.c @@ -0,0 +1,139 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * MMP PLL clock rate calculation + * + * Copyright (C) 2020 Lubomir Rintel <[email protected]> + */ + +#include <linux/clk-provider.h> +#include <linux/slab.h> +#include <linux/io.h> + +#include "clk.h" + +#define to_clk_mmp_pll(hw) container_of(hw, struct mmp_clk_pll, hw) + +struct mmp_clk_pll { + struct clk_hw hw; + unsigned long default_rate; + void __iomem *enable_reg; + u32 enable; + void __iomem *reg; + u8 shift; + + unsigned long input_rate; + void __iomem *postdiv_reg; + u8 postdiv_shift; +}; + +static int mmp_clk_pll_is_enabled(struct clk_hw *hw) +{ + struct mmp_clk_pll *pll = to_clk_mmp_pll(hw); + u32 val; + + val = readl_relaxed(pll->enable_reg); + if ((val & pll->enable) == pll->enable) + return 1; + + /* Some PLLs, if not software controlled, output default clock. */ + if (pll->default_rate > 0) + return 1; + + return 0; +} + +static unsigned long mmp_clk_pll_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct mmp_clk_pll *pll = to_clk_mmp_pll(hw); + u32 fbdiv, refdiv, postdiv; + u64 rate; + u32 val; + + val = readl_relaxed(pll->enable_reg); + if ((val & pll->enable) != pll->enable) + return pll->default_rate; + + if (pll->reg) { + val = readl_relaxed(pll->reg); + fbdiv = (val >> pll->shift) & 0x1ff; + refdiv = (val >> (pll->shift + 9)) & 0x1f; + } else { + fbdiv = 2; + refdiv = 1; + } + + if (pll->postdiv_reg) { + /* MMP3 clock rate calculation */ + static const u8 postdivs[] = {2, 3, 4, 5, 6, 8, 10, 12, 16}; + + val = readl_relaxed(pll->postdiv_reg); + postdiv = (val >> pll->postdiv_shift) & 0x7; + + rate = pll->input_rate; + rate *= 2 * fbdiv; + do_div(rate, refdiv); + do_div(rate, postdivs[postdiv]); + } else { + /* MMP2 clock rate calculation */ + if (refdiv == 3) { + rate = 19200000; + } else if (refdiv == 4) { + rate = 26000000; + } else { + pr_err("bad refdiv: %d (0x%08x)\n", refdiv, val); + return 0; + } + + rate *= fbdiv + 2; + do_div(rate, refdiv + 2); + } + + return (unsigned long)rate; +} + +static const struct clk_ops mmp_clk_pll_ops = { + .is_enabled = mmp_clk_pll_is_enabled, + .recalc_rate = mmp_clk_pll_recalc_rate, +}; + +struct clk *mmp_clk_register_pll(char *name, + unsigned long default_rate, + void __iomem *enable_reg, u32 enable, + void __iomem *reg, u8 shift, + unsigned long input_rate, + void __iomem *postdiv_reg, u8 postdiv_shift) +{ + struct mmp_clk_pll *pll; + struct clk *clk; + struct clk_init_data init; + + pll = kzalloc(sizeof(*pll), GFP_KERNEL); + if (!pll) + return ERR_PTR(-ENOMEM); + + init.name = name; + init.ops = &mmp_clk_pll_ops; + init.flags = 0; + init.parent_names = NULL; + init.num_parents = 0; + + pll->default_rate = default_rate; + pll->enable_reg = enable_reg; + pll->enable = enable; + pll->reg = reg; + pll->shift = shift; + + pll->input_rate = input_rate; + pll->postdiv_reg = postdiv_reg; + pll->postdiv_shift = postdiv_shift; + + pll->hw.init = &init; + + clk = clk_register(NULL, &pll->hw); + + if (IS_ERR(clk)) + kfree(pll); + + return clk; +} diff --git a/drivers/clk/mmp/clk.c b/drivers/clk/mmp/clk.c index ca7d37e2c7be..317123641d1e 100644 --- a/drivers/clk/mmp/clk.c +++ b/drivers/clk/mmp/clk.c @@ -176,6 +176,37 @@ void mmp_register_div_clks(struct mmp_clk_unit *unit, } } +void mmp_register_pll_clks(struct mmp_clk_unit *unit, + struct mmp_param_pll_clk *clks, + void __iomem *base, int size) +{ + struct clk *clk; + int i; + + for (i = 0; i < size; i++) { + void __iomem *reg = NULL; + + if (clks[i].offset) + reg = base + clks[i].offset; + + clk = mmp_clk_register_pll(clks[i].name, + clks[i].default_rate, + base + clks[i].enable_offset, + clks[i].enable, + reg, clks[i].shift, + clks[i].input_rate, + base + clks[i].postdiv_offset, + clks[i].postdiv_shift); + if (IS_ERR(clk)) { + pr_err("%s: failed to register clock %s\n", + __func__, clks[i].name); + continue; + } + if (clks[i].id) + unit->clk_table[clks[i].id] = clk; + } +} + void mmp_clk_add(struct mmp_clk_unit *unit, unsigned int id, struct clk *clk) { diff --git a/drivers/clk/mmp/clk.h b/drivers/clk/mmp/clk.h index 70bb73257647..971b4d6d992f 100644 --- a/drivers/clk/mmp/clk.h +++ b/drivers/clk/mmp/clk.h @@ -97,7 +97,7 @@ struct mmp_clk_mix { extern const struct clk_ops mmp_clk_mix_ops; extern struct clk *mmp_clk_register_mix(struct device *dev, const char *name, - const char **parent_names, + const char * const *parent_names, u8 num_parents, unsigned long flags, struct mmp_clk_mix_config *config, @@ -124,9 +124,6 @@ extern struct clk *mmp_clk_register_gate(struct device *dev, const char *name, u32 val_disable, unsigned int gate_flags, spinlock_t *lock); - -extern struct clk *mmp_clk_register_pll2(const char *name, - const char *parent_name, unsigned long flags); extern struct clk *mmp_clk_register_apbc(const char *name, const char *parent_name, void __iomem *base, unsigned int delay, unsigned int apbc_flags, spinlock_t *lock); @@ -196,7 +193,7 @@ void mmp_register_gate_clks(struct mmp_clk_unit *unit, struct mmp_param_mux_clk { unsigned int id; char *name; - const char **parent_name; + const char * const *parent_name; u8 num_parents; unsigned long flags; unsigned long offset; @@ -224,6 +221,30 @@ void mmp_register_div_clks(struct mmp_clk_unit *unit, struct mmp_param_div_clk *clks, void __iomem *base, int size); +struct mmp_param_pll_clk { + unsigned int id; + char *name; + unsigned long default_rate; + unsigned long enable_offset; + u32 enable; + unsigned long offset; + u8 shift; + /* MMP3 specific: */ + unsigned long input_rate; + unsigned long postdiv_offset; + unsigned long postdiv_shift; +}; +void mmp_register_pll_clks(struct mmp_clk_unit *unit, + struct mmp_param_pll_clk *clks, + void __iomem *base, int size); + +extern struct clk *mmp_clk_register_pll(char *name, + unsigned long default_rate, + void __iomem *enable_reg, u32 enable, + void __iomem *reg, u8 shift, + unsigned long input_rate, + void __iomem *postdiv_reg, u8 postdiv_shift); + #define DEFINE_MIX_REG_INFO(w_d, s_d, w_m, s_m, fc) \ { \ .width_div = (w_d), \ diff --git a/drivers/clk/renesas/Kconfig b/drivers/clk/renesas/Kconfig index 250d8165167a..ac2dd92ce2ef 100644 --- a/drivers/clk/renesas/Kconfig +++ b/drivers/clk/renesas/Kconfig @@ -20,7 +20,7 @@ config CLK_RENESAS select CLK_R8A7791 if ARCH_R8A7791 || ARCH_R8A7793 select CLK_R8A7792 if ARCH_R8A7792 select CLK_R8A7794 if ARCH_R8A7794 - select CLK_R8A7795 if ARCH_R8A77950 || ARCH_R8A77951 || ARCH_R8A7795 + select CLK_R8A7795 if ARCH_R8A77950 || ARCH_R8A77951 select CLK_R8A77960 if ARCH_R8A77960 select CLK_R8A77961 if ARCH_R8A77961 select CLK_R8A77965 if ARCH_R8A77965 @@ -161,6 +161,7 @@ config CLK_RCAR_GEN3_CPG config CLK_RCAR_USB2_CLOCK_SEL bool "Renesas R-Car USB2 clock selector support" depends on ARCH_RENESAS || COMPILE_TEST + select RESET_CONTROLLER help This is a driver for R-Car USB2 clock selector diff --git a/drivers/clk/renesas/r8a7795-cpg-mssr.c b/drivers/clk/renesas/r8a7795-cpg-mssr.c index fbc8c75f4314..ff5b3020cb03 100644 --- a/drivers/clk/renesas/r8a7795-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7795-cpg-mssr.c @@ -44,6 +44,7 @@ enum clk_ids { CLK_S3, CLK_SDSRC, CLK_SSPSRC, + CLK_RPCSRC, CLK_RINT, /* Module Clocks */ @@ -70,6 +71,12 @@ static struct cpg_core_clk r8a7795_core_clks[] __initdata = { DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1), DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1), DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), + DEF_BASE(".rpcsrc", CLK_RPCSRC, CLK_TYPE_GEN3_RPCSRC, CLK_PLL1), + + DEF_BASE("rpc", R8A7795_CLK_RPC, CLK_TYPE_GEN3_RPC, + CLK_RPCSRC), + DEF_BASE("rpcd2", R8A7795_CLK_RPCD2, CLK_TYPE_GEN3_RPCD2, + R8A7795_CLK_RPC), DEF_GEN3_OSC(".r", CLK_RINT, CLK_EXTAL, 32), @@ -242,6 +249,7 @@ static struct mssr_mod_clk r8a7795_mod_clks[] __initdata = { DEF_MOD("can-fd", 914, R8A7795_CLK_S3D2), DEF_MOD("can-if1", 915, R8A7795_CLK_S3D4), DEF_MOD("can-if0", 916, R8A7795_CLK_S3D4), + DEF_MOD("rpc-if", 917, R8A7795_CLK_RPCD2), DEF_MOD("i2c6", 918, R8A7795_CLK_S0D6), DEF_MOD("i2c5", 919, R8A7795_CLK_S0D6), DEF_MOD("i2c-dvfs", 926, R8A7795_CLK_CP), diff --git a/drivers/clk/renesas/r8a7796-cpg-mssr.c b/drivers/clk/renesas/r8a7796-cpg-mssr.c index e8420d3ada94..e8d466dbc7f9 100644 --- a/drivers/clk/renesas/r8a7796-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7796-cpg-mssr.c @@ -46,6 +46,7 @@ enum clk_ids { CLK_S3, CLK_SDSRC, CLK_SSPSRC, + CLK_RPCSRC, CLK_RINT, /* Module Clocks */ @@ -72,6 +73,12 @@ static const struct cpg_core_clk r8a7796_core_clks[] __initconst = { DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1), DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1), DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), + DEF_BASE(".rpcsrc", CLK_RPCSRC, CLK_TYPE_GEN3_RPCSRC, CLK_PLL1), + + DEF_BASE("rpc", R8A7796_CLK_RPC, CLK_TYPE_GEN3_RPC, + CLK_RPCSRC), + DEF_BASE("rpcd2", R8A7796_CLK_RPCD2, CLK_TYPE_GEN3_RPCD2, + R8A7796_CLK_RPC), DEF_GEN3_OSC(".r", CLK_RINT, CLK_EXTAL, 32), @@ -105,6 +112,7 @@ static const struct cpg_core_clk r8a7796_core_clks[] __initconst = { DEF_GEN3_SD("sd3", R8A7796_CLK_SD3, CLK_SDSRC, 0x26c), DEF_FIXED("cl", R8A7796_CLK_CL, CLK_PLL1_DIV2, 48, 1), + DEF_FIXED("cr", R8A7796_CLK_CR, CLK_PLL1_DIV4, 2, 1), DEF_FIXED("cp", R8A7796_CLK_CP, CLK_EXTAL, 2, 1), DEF_FIXED("cpex", R8A7796_CLK_CPEX, CLK_EXTAL, 2, 1), @@ -132,6 +140,7 @@ static struct mssr_mod_clk r8a7796_mod_clks[] __initdata = { DEF_MOD("sys-dmac2", 217, R8A7796_CLK_S3D1), DEF_MOD("sys-dmac1", 218, R8A7796_CLK_S3D1), DEF_MOD("sys-dmac0", 219, R8A7796_CLK_S0D3), + DEF_MOD("sceg-pub", 229, R8A7796_CLK_CR), DEF_MOD("cmt3", 300, R8A7796_CLK_R), DEF_MOD("cmt2", 301, R8A7796_CLK_R), DEF_MOD("cmt1", 302, R8A7796_CLK_R), @@ -215,6 +224,7 @@ static struct mssr_mod_clk r8a7796_mod_clks[] __initdata = { DEF_MOD("can-fd", 914, R8A7796_CLK_S3D2), DEF_MOD("can-if1", 915, R8A7796_CLK_S3D4), DEF_MOD("can-if0", 916, R8A7796_CLK_S3D4), + DEF_MOD("rpc-if", 917, R8A7796_CLK_RPCD2), DEF_MOD("i2c6", 918, R8A7796_CLK_S0D6), DEF_MOD("i2c5", 919, R8A7796_CLK_S0D6), DEF_MOD("i2c-dvfs", 926, R8A7796_CLK_CP), diff --git a/drivers/clk/renesas/r8a77965-cpg-mssr.c b/drivers/clk/renesas/r8a77965-cpg-mssr.c index b3af4da2ca74..7a05a2fc1cc6 100644 --- a/drivers/clk/renesas/r8a77965-cpg-mssr.c +++ b/drivers/clk/renesas/r8a77965-cpg-mssr.c @@ -43,6 +43,7 @@ enum clk_ids { CLK_S3, CLK_SDSRC, CLK_SSPSRC, + CLK_RPCSRC, CLK_RINT, /* Module Clocks */ @@ -68,6 +69,12 @@ static const struct cpg_core_clk r8a77965_core_clks[] __initconst = { DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1), DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1), DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), + DEF_BASE(".rpcsrc", CLK_RPCSRC, CLK_TYPE_GEN3_RPCSRC, CLK_PLL1), + + DEF_BASE("rpc", R8A77965_CLK_RPC, CLK_TYPE_GEN3_RPC, + CLK_RPCSRC), + DEF_BASE("rpcd2", R8A77965_CLK_RPCD2, CLK_TYPE_GEN3_RPCD2, + R8A77965_CLK_RPC), DEF_GEN3_OSC(".r", CLK_RINT, CLK_EXTAL, 32), @@ -99,7 +106,8 @@ static const struct cpg_core_clk r8a77965_core_clks[] __initconst = { DEF_GEN3_SD("sd2", R8A77965_CLK_SD2, CLK_SDSRC, 0x268), DEF_GEN3_SD("sd3", R8A77965_CLK_SD3, CLK_SDSRC, 0x26c), - DEF_FIXED("cl", R8A77965_CLK_CL, CLK_PLL1_DIV2, 48, 1), + DEF_FIXED("cl", R8A77965_CLK_CL, CLK_PLL1_DIV2, 48, 1), + DEF_FIXED("cr", R8A77965_CLK_CR, CLK_PLL1_DIV4, 2, 1), DEF_FIXED("cp", R8A77965_CLK_CP, CLK_EXTAL, 2, 1), DEF_FIXED("cpex", R8A77965_CLK_CPEX, CLK_EXTAL, 2, 1), @@ -127,6 +135,7 @@ static const struct mssr_mod_clk r8a77965_mod_clks[] __initconst = { DEF_MOD("sys-dmac2", 217, R8A77965_CLK_S3D1), DEF_MOD("sys-dmac1", 218, R8A77965_CLK_S3D1), DEF_MOD("sys-dmac0", 219, R8A77965_CLK_S0D3), + DEF_MOD("sceg-pub", 229, R8A77965_CLK_CR), DEF_MOD("cmt3", 300, R8A77965_CLK_R), DEF_MOD("cmt2", 301, R8A77965_CLK_R), @@ -215,6 +224,7 @@ static const struct mssr_mod_clk r8a77965_mod_clks[] __initconst = { DEF_MOD("can-fd", 914, R8A77965_CLK_S3D2), DEF_MOD("can-if1", 915, R8A77965_CLK_S3D4), DEF_MOD("can-if0", 916, R8A77965_CLK_S3D4), + DEF_MOD("rpc-if", 917, R8A77965_CLK_RPCD2), DEF_MOD("i2c6", 918, R8A77965_CLK_S0D6), DEF_MOD("i2c5", 919, R8A77965_CLK_S0D6), DEF_MOD("i2c-dvfs", 926, R8A77965_CLK_CP), diff --git a/drivers/clk/renesas/r8a77990-cpg-mssr.c b/drivers/clk/renesas/r8a77990-cpg-mssr.c index ceabf55c21c2..8eda2e3e2480 100644 --- a/drivers/clk/renesas/r8a77990-cpg-mssr.c +++ b/drivers/clk/renesas/r8a77990-cpg-mssr.c @@ -105,6 +105,7 @@ static const struct cpg_core_clk r8a77990_core_clks[] __initconst = { DEF_GEN3_SD("sd3", R8A77990_CLK_SD3, CLK_SDSRC, 0x026c), DEF_FIXED("cl", R8A77990_CLK_CL, CLK_PLL1, 48, 1), + DEF_FIXED("cr", R8A77990_CLK_CR, CLK_PLL1D2, 2, 1), DEF_FIXED("cp", R8A77990_CLK_CP, CLK_EXTAL, 2, 1), DEF_FIXED("cpex", R8A77990_CLK_CPEX, CLK_EXTAL, 4, 1), @@ -135,6 +136,7 @@ static const struct mssr_mod_clk r8a77990_mod_clks[] __initconst = { DEF_MOD("sys-dmac2", 217, R8A77990_CLK_S3D1), DEF_MOD("sys-dmac1", 218, R8A77990_CLK_S3D1), DEF_MOD("sys-dmac0", 219, R8A77990_CLK_S3D1), + DEF_MOD("sceg-pub", 229, R8A77990_CLK_CR), DEF_MOD("cmt3", 300, R8A77990_CLK_R), DEF_MOD("cmt2", 301, R8A77990_CLK_R), diff --git a/drivers/clk/renesas/r8a77995-cpg-mssr.c b/drivers/clk/renesas/r8a77995-cpg-mssr.c index 962bb337f2e7..056ebf3e70e2 100644 --- a/drivers/clk/renesas/r8a77995-cpg-mssr.c +++ b/drivers/clk/renesas/r8a77995-cpg-mssr.c @@ -91,6 +91,7 @@ static const struct cpg_core_clk r8a77995_core_clks[] __initconst = { DEF_FIXED("s3d4", R8A77995_CLK_S3D4, CLK_S3, 4, 1), DEF_FIXED("cl", R8A77995_CLK_CL, CLK_PLL1, 48, 1), + DEF_FIXED("cr", R8A77995_CLK_CR, CLK_PLL1D2, 2, 1), DEF_FIXED("cp", R8A77995_CLK_CP, CLK_EXTAL, 2, 1), DEF_FIXED("cpex", R8A77995_CLK_CPEX, CLK_EXTAL, 4, 1), @@ -122,6 +123,7 @@ static const struct mssr_mod_clk r8a77995_mod_clks[] __initconst = { DEF_MOD("sys-dmac2", 217, R8A77995_CLK_S3D1), DEF_MOD("sys-dmac1", 218, R8A77995_CLK_S3D1), DEF_MOD("sys-dmac0", 219, R8A77995_CLK_S3D1), + DEF_MOD("sceg-pub", 229, R8A77995_CLK_CR), DEF_MOD("cmt3", 300, R8A77995_CLK_R), DEF_MOD("cmt2", 301, R8A77995_CLK_R), DEF_MOD("cmt1", 302, R8A77995_CLK_R), diff --git a/drivers/clk/renesas/rcar-usb2-clock-sel.c b/drivers/clk/renesas/rcar-usb2-clock-sel.c index b97f5f9326cf..d4c02986c34e 100644 --- a/drivers/clk/renesas/rcar-usb2-clock-sel.c +++ b/drivers/clk/renesas/rcar-usb2-clock-sel.c @@ -19,6 +19,7 @@ #include <linux/platform_device.h> #include <linux/pm.h> #include <linux/pm_runtime.h> +#include <linux/reset.h> #include <linux/slab.h> #define USB20_CLKSET0 0x00 @@ -26,9 +27,16 @@ #define CLKSET0_PRIVATE BIT(0) #define CLKSET0_EXTAL_ONLY (CLKSET0_INTCLK_EN | CLKSET0_PRIVATE) +static const struct clk_bulk_data rcar_usb2_clocks[] = { + { .id = "ehci_ohci", }, + { .id = "hs-usb-if", }, +}; + struct usb2_clock_sel_priv { void __iomem *base; struct clk_hw hw; + struct clk_bulk_data clks[ARRAY_SIZE(rcar_usb2_clocks)]; + struct reset_control *rsts; bool extal; bool xtal; }; @@ -53,14 +61,32 @@ static void usb2_clock_sel_disable_extal_only(struct usb2_clock_sel_priv *priv) static int usb2_clock_sel_enable(struct clk_hw *hw) { - usb2_clock_sel_enable_extal_only(to_priv(hw)); + struct usb2_clock_sel_priv *priv = to_priv(hw); + int ret; + + ret = reset_control_deassert(priv->rsts); + if (ret) + return ret; + + ret = clk_bulk_prepare_enable(ARRAY_SIZE(priv->clks), priv->clks); + if (ret) { + reset_control_assert(priv->rsts); + return ret; + } + + usb2_clock_sel_enable_extal_only(priv); return 0; } static void usb2_clock_sel_disable(struct clk_hw *hw) { - usb2_clock_sel_disable_extal_only(to_priv(hw)); + struct usb2_clock_sel_priv *priv = to_priv(hw); + + usb2_clock_sel_disable_extal_only(priv); + + clk_bulk_disable_unprepare(ARRAY_SIZE(priv->clks), priv->clks); + reset_control_assert(priv->rsts); } /* @@ -119,6 +145,7 @@ static int rcar_usb2_clock_sel_probe(struct platform_device *pdev) struct usb2_clock_sel_priv *priv; struct clk *clk; struct clk_init_data init; + int ret; priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) @@ -128,6 +155,15 @@ static int rcar_usb2_clock_sel_probe(struct platform_device *pdev) if (IS_ERR(priv->base)) return PTR_ERR(priv->base); + memcpy(priv->clks, rcar_usb2_clocks, sizeof(priv->clks)); + ret = devm_clk_bulk_get(dev, ARRAY_SIZE(priv->clks), priv->clks); + if (ret < 0) + return ret; + + priv->rsts = devm_reset_control_array_get(dev, true, false); + if (IS_ERR(priv->rsts)) + return PTR_ERR(priv->rsts); + pm_runtime_enable(dev); pm_runtime_get_sync(dev); diff --git a/drivers/clk/rockchip/clk-mmc-phase.c b/drivers/clk/rockchip/clk-mmc-phase.c index 4abe7ff31f53..975454a3dd72 100644 --- a/drivers/clk/rockchip/clk-mmc-phase.c +++ b/drivers/clk/rockchip/clk-mmc-phase.c @@ -51,9 +51,9 @@ static int rockchip_mmc_get_phase(struct clk_hw *hw) u16 degrees; u32 delay_num = 0; - /* See the comment for rockchip_mmc_set_phase below */ + /* Constant signal, no measurable phase shift */ if (!rate) - return -EINVAL; + return 0; raw_value = readl(mmc_clock->reg) >> (mmc_clock->shift); diff --git a/drivers/clk/samsung/clk.c b/drivers/clk/samsung/clk.c index dad31308c071..1949ae7851b2 100644 --- a/drivers/clk/samsung/clk.c +++ b/drivers/clk/samsung/clk.c @@ -356,10 +356,6 @@ struct samsung_clk_provider * __init samsung_cmu_register_one( } ctx = samsung_clk_init(np, reg_base, cmu->nr_clk_ids); - if (!ctx) { - panic("%s: unable to allocate ctx\n", __func__); - return ctx; - } if (cmu->pll_clks) samsung_clk_register_pll(ctx, cmu->pll_clks, cmu->nr_pll_clks, diff --git a/drivers/clk/socfpga/clk-gate-s10.c b/drivers/clk/socfpga/clk-gate-s10.c index 54a464fa63e0..8be4722f6064 100644 --- a/drivers/clk/socfpga/clk-gate-s10.c +++ b/drivers/clk/socfpga/clk-gate-s10.c @@ -65,54 +65,49 @@ static const struct clk_ops dbgclk_ops = { .get_parent = socfpga_gate_get_parent, }; -struct clk *s10_register_gate(const char *name, const char *parent_name, - const char * const *parent_names, - u8 num_parents, unsigned long flags, - void __iomem *regbase, unsigned long gate_reg, - unsigned long gate_idx, unsigned long div_reg, - unsigned long div_offset, u8 div_width, - unsigned long bypass_reg, u8 bypass_shift, - u8 fixed_div) +struct clk *s10_register_gate(const struct stratix10_gate_clock *clks, void __iomem *regbase) { struct clk *clk; struct socfpga_gate_clk *socfpga_clk; struct clk_init_data init; + const char * const *parent_names = clks->parent_names; + const char *parent_name = clks->parent_name; socfpga_clk = kzalloc(sizeof(*socfpga_clk), GFP_KERNEL); if (!socfpga_clk) return NULL; - socfpga_clk->hw.reg = regbase + gate_reg; - socfpga_clk->hw.bit_idx = gate_idx; + socfpga_clk->hw.reg = regbase + clks->gate_reg; + socfpga_clk->hw.bit_idx = clks->gate_idx; gateclk_ops.enable = clk_gate_ops.enable; gateclk_ops.disable = clk_gate_ops.disable; - socfpga_clk->fixed_div = fixed_div; + socfpga_clk->fixed_div = clks->fixed_div; - if (div_reg) - socfpga_clk->div_reg = regbase + div_reg; + if (clks->div_reg) + socfpga_clk->div_reg = regbase + clks->div_reg; else socfpga_clk->div_reg = NULL; - socfpga_clk->width = div_width; - socfpga_clk->shift = div_offset; + socfpga_clk->width = clks->div_width; + socfpga_clk->shift = clks->div_offset; - if (bypass_reg) - socfpga_clk->bypass_reg = regbase + bypass_reg; + if (clks->bypass_reg) + socfpga_clk->bypass_reg = regbase + clks->bypass_reg; else socfpga_clk->bypass_reg = NULL; - socfpga_clk->bypass_shift = bypass_shift; + socfpga_clk->bypass_shift = clks->bypass_shift; - if (streq(name, "cs_pdbg_clk")) + if (streq(clks->name, "cs_pdbg_clk")) init.ops = &dbgclk_ops; else init.ops = &gateclk_ops; - init.name = name; - init.flags = flags; + init.name = clks->name; + init.flags = clks->flags; - init.num_parents = num_parents; + init.num_parents = clks->num_parents; init.parent_names = parent_names ? parent_names : &parent_name; socfpga_clk->hw.hw.init = &init; @@ -121,6 +116,5 @@ struct clk *s10_register_gate(const char *name, const char *parent_name, kfree(socfpga_clk); return NULL; } - return clk; } diff --git a/drivers/clk/socfpga/clk-periph-s10.c b/drivers/clk/socfpga/clk-periph-s10.c index 1a191eeeebba..dd6d4056e9de 100644 --- a/drivers/clk/socfpga/clk-periph-s10.c +++ b/drivers/clk/socfpga/clk-periph-s10.c @@ -73,26 +73,27 @@ static const struct clk_ops peri_cnt_clk_ops = { .get_parent = clk_periclk_get_parent, }; -struct clk *s10_register_periph(const char *name, const char *parent_name, - const char * const *parent_names, - u8 num_parents, unsigned long flags, - void __iomem *reg, unsigned long offset) +struct clk *s10_register_periph(const struct stratix10_perip_c_clock *clks, + void __iomem *reg) { struct clk *clk; struct socfpga_periph_clk *periph_clk; struct clk_init_data init; + const char *name = clks->name; + const char *parent_name = clks->parent_name; + const char * const *parent_names = clks->parent_names; periph_clk = kzalloc(sizeof(*periph_clk), GFP_KERNEL); if (WARN_ON(!periph_clk)) return NULL; - periph_clk->hw.reg = reg + offset; + periph_clk->hw.reg = reg + clks->offset; init.name = name; init.ops = &peri_c_clk_ops; - init.flags = flags; + init.flags = clks->flags; - init.num_parents = num_parents; + init.num_parents = clks->num_parents; init.parent_names = parent_names ? parent_names : &parent_name; periph_clk->hw.hw.init = &init; @@ -105,38 +106,37 @@ struct clk *s10_register_periph(const char *name, const char *parent_name, return clk; } -struct clk *s10_register_cnt_periph(const char *name, const char *parent_name, - const char * const *parent_names, - u8 num_parents, unsigned long flags, - void __iomem *regbase, unsigned long offset, - u8 fixed_divider, unsigned long bypass_reg, - unsigned long bypass_shift) +struct clk *s10_register_cnt_periph(const struct stratix10_perip_cnt_clock *clks, + void __iomem *regbase) { struct clk *clk; struct socfpga_periph_clk *periph_clk; struct clk_init_data init; + const char *name = clks->name; + const char *parent_name = clks->parent_name; + const char * const *parent_names = clks->parent_names; periph_clk = kzalloc(sizeof(*periph_clk), GFP_KERNEL); if (WARN_ON(!periph_clk)) return NULL; - if (offset) - periph_clk->hw.reg = regbase + offset; + if (clks->offset) + periph_clk->hw.reg = regbase + clks->offset; else periph_clk->hw.reg = NULL; - if (bypass_reg) - periph_clk->bypass_reg = regbase + bypass_reg; + if (clks->bypass_reg) + periph_clk->bypass_reg = regbase + clks->bypass_reg; else periph_clk->bypass_reg = NULL; - periph_clk->bypass_shift = bypass_shift; - periph_clk->fixed_div = fixed_divider; + periph_clk->bypass_shift = clks->bypass_shift; + periph_clk->fixed_div = clks->fixed_divider; init.name = name; init.ops = &peri_cnt_clk_ops; - init.flags = flags; + init.flags = clks->flags; - init.num_parents = num_parents; + init.num_parents = clks->num_parents; init.parent_names = parent_names ? parent_names : &parent_name; periph_clk->hw.hw.init = &init; diff --git a/drivers/clk/socfpga/clk-pll-s10.c b/drivers/clk/socfpga/clk-pll-s10.c index 4705eb544f01..a301bb22f36c 100644 --- a/drivers/clk/socfpga/clk-pll-s10.c +++ b/drivers/clk/socfpga/clk-pll-s10.c @@ -39,7 +39,9 @@ static unsigned long clk_pll_recalc_rate(struct clk_hw *hwclk, /* read VCO1 reg for numerator and denominator */ reg = readl(socfpgaclk->hw.reg); refdiv = (reg & SOCFPGA_PLL_REFDIV_MASK) >> SOCFPGA_PLL_REFDIV_SHIFT; - vco_freq = (unsigned long long)parent_rate / refdiv; + + vco_freq = parent_rate; + do_div(vco_freq, refdiv); /* Read mdiv and fdiv from the fdbck register */ reg = readl(socfpgaclk->hw.reg + 0x4); @@ -108,19 +110,20 @@ static struct clk_ops clk_boot_ops = { .prepare = clk_pll_prepare, }; -struct clk *s10_register_pll(const char *name, const char * const *parent_names, - u8 num_parents, unsigned long flags, - void __iomem *reg, unsigned long offset) +struct clk *s10_register_pll(const struct stratix10_pll_clock *clks, + void __iomem *reg) { struct clk *clk; struct socfpga_pll *pll_clk; struct clk_init_data init; + const char *name = clks->name; + const char * const *parent_names = clks->parent_names; pll_clk = kzalloc(sizeof(*pll_clk), GFP_KERNEL); if (WARN_ON(!pll_clk)) return NULL; - pll_clk->hw.reg = reg + offset; + pll_clk->hw.reg = reg + clks->offset; if (streq(name, SOCFPGA_BOOT_CLK)) init.ops = &clk_boot_ops; @@ -128,9 +131,9 @@ struct clk *s10_register_pll(const char *name, const char * const *parent_names, init.ops = &clk_pll_ops; init.name = name; - init.flags = flags; + init.flags = clks->flags; - init.num_parents = num_parents; + init.num_parents = clks->num_parents; init.parent_names = parent_names; pll_clk->hw.hw.init = &init; diff --git a/drivers/clk/socfpga/clk-s10.c b/drivers/clk/socfpga/clk-s10.c index 993f3a73c71e..dea7c6c7d269 100644 --- a/drivers/clk/socfpga/clk-s10.c +++ b/drivers/clk/socfpga/clk-s10.c @@ -177,9 +177,7 @@ static int s10_clk_register_c_perip(const struct stratix10_perip_c_clock *clks, int i; for (i = 0; i < nums; i++) { - clk = s10_register_periph(clks[i].name, clks[i].parent_name, - clks[i].parent_names, clks[i].num_parents, - clks[i].flags, base, clks[i].offset); + clk = s10_register_periph(&clks[i], base); if (IS_ERR(clk)) { pr_err("%s: failed to register clock %s\n", __func__, clks[i].name); @@ -198,14 +196,7 @@ static int s10_clk_register_cnt_perip(const struct stratix10_perip_cnt_clock *cl int i; for (i = 0; i < nums; i++) { - clk = s10_register_cnt_periph(clks[i].name, clks[i].parent_name, - clks[i].parent_names, - clks[i].num_parents, - clks[i].flags, base, - clks[i].offset, - clks[i].fixed_divider, - clks[i].bypass_reg, - clks[i].bypass_shift); + clk = s10_register_cnt_periph(&clks[i], base); if (IS_ERR(clk)) { pr_err("%s: failed to register clock %s\n", __func__, clks[i].name); @@ -225,16 +216,7 @@ static int s10_clk_register_gate(const struct stratix10_gate_clock *clks, int i; for (i = 0; i < nums; i++) { - clk = s10_register_gate(clks[i].name, clks[i].parent_name, - clks[i].parent_names, - clks[i].num_parents, - clks[i].flags, base, - clks[i].gate_reg, - clks[i].gate_idx, clks[i].div_reg, - clks[i].div_offset, clks[i].div_width, - clks[i].bypass_reg, - clks[i].bypass_shift, - clks[i].fixed_div); + clk = s10_register_gate(&clks[i], base); if (IS_ERR(clk)) { pr_err("%s: failed to register clock %s\n", __func__, clks[i].name); @@ -254,10 +236,7 @@ static int s10_clk_register_pll(const struct stratix10_pll_clock *clks, int i; for (i = 0; i < nums; i++) { - clk = s10_register_pll(clks[i].name, clks[i].parent_names, - clks[i].num_parents, - clks[i].flags, base, - clks[i].offset); + clk = s10_register_pll(&clks[i], base); if (IS_ERR(clk)) { pr_err("%s: failed to register clock %s\n", __func__, clks[i].name); diff --git a/drivers/clk/socfpga/stratix10-clk.h b/drivers/clk/socfpga/stratix10-clk.h index e8e121907952..fcabef42249c 100644 --- a/drivers/clk/socfpga/stratix10-clk.h +++ b/drivers/clk/socfpga/stratix10-clk.h @@ -60,21 +60,12 @@ struct stratix10_gate_clock { u8 fixed_div; }; -struct clk *s10_register_pll(const char *, const char *const *, u8, - unsigned long, void __iomem *, unsigned long); - -struct clk *s10_register_periph(const char *, const char *, - const char * const *, u8, unsigned long, - void __iomem *, unsigned long); -struct clk *s10_register_cnt_periph(const char *, const char *, - const char * const *, u8, - unsigned long, void __iomem *, - unsigned long, u8, unsigned long, - unsigned long); -struct clk *s10_register_gate(const char *, const char *, - const char * const *, u8, - unsigned long, void __iomem *, - unsigned long, unsigned long, - unsigned long, unsigned long, u8, - unsigned long, u8, u8); +struct clk *s10_register_pll(const struct stratix10_pll_clock *, + void __iomem *); +struct clk *s10_register_periph(const struct stratix10_perip_c_clock *, + void __iomem *); +struct clk *s10_register_cnt_periph(const struct stratix10_perip_cnt_clock *, + void __iomem *); +struct clk *s10_register_gate(const struct stratix10_gate_clock *, + void __iomem *); #endif /* __STRATIX10_CLK_H */ diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a64.h b/drivers/clk/sunxi-ng/ccu-sun50i-a64.h index 116e6f826d04..54d1f96f4b68 100644 --- a/drivers/clk/sunxi-ng/ccu-sun50i-a64.h +++ b/drivers/clk/sunxi-ng/ccu-sun50i-a64.h @@ -55,10 +55,6 @@ /* All the DRAM gates are exported */ -/* Some more module clocks are exported */ - -#define CLK_MBUS 112 - /* And the DSI and GPU module clock is exported */ #define CLK_NUMBER (CLK_GPU + 1) diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-de2.c b/drivers/clk/sunxi-ng/ccu-sun8i-de2.c index d9668493c3f9..524f33275bc7 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-de2.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-de2.c @@ -50,8 +50,10 @@ static SUNXI_CCU_M(mixer1_div_a83_clk, "mixer1-div", "pll-de", 0x0c, 4, 4, CLK_SET_RATE_PARENT); static SUNXI_CCU_M(wb_div_a83_clk, "wb-div", "pll-de", 0x0c, 8, 4, CLK_SET_RATE_PARENT); +static SUNXI_CCU_M(rot_div_a83_clk, "rot-div", "pll-de", 0x0c, 0x0c, 4, + CLK_SET_RATE_PARENT); -static struct ccu_common *sun50i_h6_de3_clks[] = { +static struct ccu_common *sun8i_a83t_de2_clks[] = { &mixer0_clk.common, &mixer1_clk.common, &wb_clk.common, @@ -60,16 +62,16 @@ static struct ccu_common *sun50i_h6_de3_clks[] = { &bus_mixer1_clk.common, &bus_wb_clk.common, - &mixer0_div_clk.common, - &mixer1_div_clk.common, - &wb_div_clk.common, + &mixer0_div_a83_clk.common, + &mixer1_div_a83_clk.common, + &wb_div_a83_clk.common, &bus_rot_clk.common, &rot_clk.common, - &rot_div_clk.common, + &rot_div_a83_clk.common, }; -static struct ccu_common *sun8i_a83t_de2_clks[] = { +static struct ccu_common *sun8i_h3_de2_clks[] = { &mixer0_clk.common, &mixer1_clk.common, &wb_clk.common, @@ -78,34 +80,38 @@ static struct ccu_common *sun8i_a83t_de2_clks[] = { &bus_mixer1_clk.common, &bus_wb_clk.common, - &mixer0_div_a83_clk.common, - &mixer1_div_a83_clk.common, - &wb_div_a83_clk.common, + &mixer0_div_clk.common, + &mixer1_div_clk.common, + &wb_div_clk.common, }; -static struct ccu_common *sun8i_h3_de2_clks[] = { +static struct ccu_common *sun8i_v3s_de2_clks[] = { &mixer0_clk.common, - &mixer1_clk.common, &wb_clk.common, &bus_mixer0_clk.common, - &bus_mixer1_clk.common, &bus_wb_clk.common, &mixer0_div_clk.common, - &mixer1_div_clk.common, &wb_div_clk.common, }; -static struct ccu_common *sun8i_v3s_de2_clks[] = { +static struct ccu_common *sun50i_a64_de2_clks[] = { &mixer0_clk.common, + &mixer1_clk.common, &wb_clk.common, &bus_mixer0_clk.common, + &bus_mixer1_clk.common, &bus_wb_clk.common, &mixer0_div_clk.common, + &mixer1_div_clk.common, &wb_div_clk.common, + + &bus_rot_clk.common, + &rot_clk.common, + &rot_div_clk.common, }; static struct clk_hw_onecell_data sun8i_a83t_de2_hw_clks = { @@ -113,16 +119,19 @@ static struct clk_hw_onecell_data sun8i_a83t_de2_hw_clks = { [CLK_MIXER0] = &mixer0_clk.common.hw, [CLK_MIXER1] = &mixer1_clk.common.hw, [CLK_WB] = &wb_clk.common.hw, + [CLK_ROT] = &rot_clk.common.hw, [CLK_BUS_MIXER0] = &bus_mixer0_clk.common.hw, [CLK_BUS_MIXER1] = &bus_mixer1_clk.common.hw, [CLK_BUS_WB] = &bus_wb_clk.common.hw, + [CLK_BUS_ROT] = &bus_rot_clk.common.hw, [CLK_MIXER0_DIV] = &mixer0_div_a83_clk.common.hw, [CLK_MIXER1_DIV] = &mixer1_div_a83_clk.common.hw, [CLK_WB_DIV] = &wb_div_a83_clk.common.hw, + [CLK_ROT_DIV] = &rot_div_a83_clk.common.hw, }, - .num = CLK_NUMBER_WITHOUT_ROT, + .num = CLK_NUMBER_WITH_ROT, }; static struct clk_hw_onecell_data sun8i_h3_de2_hw_clks = { @@ -156,7 +165,7 @@ static struct clk_hw_onecell_data sun8i_v3s_de2_hw_clks = { .num = CLK_NUMBER_WITHOUT_ROT, }; -static struct clk_hw_onecell_data sun50i_h6_de3_hw_clks = { +static struct clk_hw_onecell_data sun50i_a64_de2_hw_clks = { .hws = { [CLK_MIXER0] = &mixer0_clk.common.hw, [CLK_MIXER1] = &mixer1_clk.common.hw, @@ -179,9 +188,19 @@ static struct clk_hw_onecell_data sun50i_h6_de3_hw_clks = { static struct ccu_reset_map sun8i_a83t_de2_resets[] = { [RST_MIXER0] = { 0x08, BIT(0) }, /* - * For A83T, H3 and R40, mixer1 reset line is shared with wb, so - * only RST_WB is exported here. - * For V3s there's just no mixer1, so it also shares this struct. + * Mixer1 reset line is shared with wb, so only RST_WB is + * exported here. + */ + [RST_WB] = { 0x08, BIT(2) }, + [RST_ROT] = { 0x08, BIT(3) }, +}; + +static struct ccu_reset_map sun8i_h3_de2_resets[] = { + [RST_MIXER0] = { 0x08, BIT(0) }, + /* + * Mixer1 reset line is shared with wb, so only RST_WB is + * exported here. + * V3s doesn't have mixer1, so it also shares this struct. */ [RST_WB] = { 0x08, BIT(2) }, }; @@ -190,13 +209,13 @@ static struct ccu_reset_map sun50i_a64_de2_resets[] = { [RST_MIXER0] = { 0x08, BIT(0) }, [RST_MIXER1] = { 0x08, BIT(1) }, [RST_WB] = { 0x08, BIT(2) }, + [RST_ROT] = { 0x08, BIT(3) }, }; -static struct ccu_reset_map sun50i_h6_de3_resets[] = { +static struct ccu_reset_map sun50i_h5_de2_resets[] = { [RST_MIXER0] = { 0x08, BIT(0) }, [RST_MIXER1] = { 0x08, BIT(1) }, [RST_WB] = { 0x08, BIT(2) }, - [RST_ROT] = { 0x08, BIT(3) }, }; static const struct sunxi_ccu_desc sun8i_a83t_de2_clk_desc = { @@ -215,28 +234,18 @@ static const struct sunxi_ccu_desc sun8i_h3_de2_clk_desc = { .hw_clks = &sun8i_h3_de2_hw_clks, - .resets = sun8i_a83t_de2_resets, - .num_resets = ARRAY_SIZE(sun8i_a83t_de2_resets), + .resets = sun8i_h3_de2_resets, + .num_resets = ARRAY_SIZE(sun8i_h3_de2_resets), }; -static const struct sunxi_ccu_desc sun50i_a64_de2_clk_desc = { - .ccu_clks = sun8i_h3_de2_clks, - .num_ccu_clks = ARRAY_SIZE(sun8i_h3_de2_clks), +static const struct sunxi_ccu_desc sun8i_r40_de2_clk_desc = { + .ccu_clks = sun50i_a64_de2_clks, + .num_ccu_clks = ARRAY_SIZE(sun50i_a64_de2_clks), - .hw_clks = &sun8i_h3_de2_hw_clks, + .hw_clks = &sun50i_a64_de2_hw_clks, - .resets = sun50i_a64_de2_resets, - .num_resets = ARRAY_SIZE(sun50i_a64_de2_resets), -}; - -static const struct sunxi_ccu_desc sun50i_h6_de3_clk_desc = { - .ccu_clks = sun50i_h6_de3_clks, - .num_ccu_clks = ARRAY_SIZE(sun50i_h6_de3_clks), - - .hw_clks = &sun50i_h6_de3_hw_clks, - - .resets = sun50i_h6_de3_resets, - .num_resets = ARRAY_SIZE(sun50i_h6_de3_resets), + .resets = sun8i_a83t_de2_resets, + .num_resets = ARRAY_SIZE(sun8i_a83t_de2_resets), }; static const struct sunxi_ccu_desc sun8i_v3s_de2_clk_desc = { @@ -249,6 +258,26 @@ static const struct sunxi_ccu_desc sun8i_v3s_de2_clk_desc = { .num_resets = ARRAY_SIZE(sun8i_a83t_de2_resets), }; +static const struct sunxi_ccu_desc sun50i_a64_de2_clk_desc = { + .ccu_clks = sun50i_a64_de2_clks, + .num_ccu_clks = ARRAY_SIZE(sun50i_a64_de2_clks), + + .hw_clks = &sun50i_a64_de2_hw_clks, + + .resets = sun50i_a64_de2_resets, + .num_resets = ARRAY_SIZE(sun50i_a64_de2_resets), +}; + +static const struct sunxi_ccu_desc sun50i_h5_de2_clk_desc = { + .ccu_clks = sun8i_h3_de2_clks, + .num_ccu_clks = ARRAY_SIZE(sun8i_h3_de2_clks), + + .hw_clks = &sun8i_h3_de2_hw_clks, + + .resets = sun50i_h5_de2_resets, + .num_resets = ARRAY_SIZE(sun50i_h5_de2_resets), +}; + static int sunxi_de2_clk_probe(struct platform_device *pdev) { struct resource *res; @@ -338,6 +367,10 @@ static const struct of_device_id sunxi_de2_clk_ids[] = { .data = &sun8i_h3_de2_clk_desc, }, { + .compatible = "allwinner,sun8i-r40-de2-clk", + .data = &sun8i_r40_de2_clk_desc, + }, + { .compatible = "allwinner,sun8i-v3s-de2-clk", .data = &sun8i_v3s_de2_clk_desc, }, @@ -347,11 +380,11 @@ static const struct of_device_id sunxi_de2_clk_ids[] = { }, { .compatible = "allwinner,sun50i-h5-de2-clk", - .data = &sun50i_a64_de2_clk_desc, + .data = &sun50i_h5_de2_clk_desc, }, { .compatible = "allwinner,sun50i-h6-de3-clk", - .data = &sun50i_h6_de3_clk_desc, + .data = &sun50i_h5_de2_clk_desc, }, { } }; diff --git a/drivers/clk/versatile/clk-icst.c b/drivers/clk/versatile/clk-icst.c index fe686f77787f..692be2fd9261 100644 --- a/drivers/clk/versatile/clk-icst.c +++ b/drivers/clk/versatile/clk-icst.c @@ -34,18 +34,6 @@ #define INTEGRATOR_AP_PCI_25_33_MHZ BIT(8) /** - * enum icst_control_type - the type of ICST control register - */ -enum icst_control_type { - ICST_VERSATILE, /* The standard type, all control bits available */ - ICST_INTEGRATOR_AP_CM, /* Only 8 bits of VDW available */ - ICST_INTEGRATOR_AP_SYS, /* Only 8 bits of VDW available */ - ICST_INTEGRATOR_AP_PCI, /* Odd bit pattern storage */ - ICST_INTEGRATOR_CP_CM_CORE, /* Only 8 bits of VDW and 3 bits of OD */ - ICST_INTEGRATOR_CP_CM_MEM, /* Only 8 bits of VDW and 3 bits of OD */ -}; - -/** * struct clk_icst - ICST VCO clock wrapper * @hw: corresponding clock hardware entry * @vcoreg: VCO register address @@ -344,12 +332,12 @@ static const struct clk_ops icst_ops = { .set_rate = icst_set_rate, }; -static struct clk *icst_clk_setup(struct device *dev, - const struct clk_icst_desc *desc, - const char *name, - const char *parent_name, - struct regmap *map, - enum icst_control_type ctype) +struct clk *icst_clk_setup(struct device *dev, + const struct clk_icst_desc *desc, + const char *name, + const char *parent_name, + struct regmap *map, + enum icst_control_type ctype) { struct clk *clk; struct clk_icst *icst; @@ -386,6 +374,7 @@ static struct clk *icst_clk_setup(struct device *dev, return clk; } +EXPORT_SYMBOL_GPL(icst_clk_setup); struct clk *icst_clk_register(struct device *dev, const struct clk_icst_desc *desc, diff --git a/drivers/clk/versatile/clk-icst.h b/drivers/clk/versatile/clk-icst.h index e36ca1a20e90..1a119ef11066 100644 --- a/drivers/clk/versatile/clk-icst.h +++ b/drivers/clk/versatile/clk-icst.h @@ -1,4 +1,19 @@ /* SPDX-License-Identifier: GPL-2.0 */ +struct regmap; + +/** + * enum icst_control_type - the type of ICST control register + */ +enum icst_control_type { + ICST_VERSATILE, /* The standard type, all control bits available */ + ICST_INTEGRATOR_AP_CM, /* Only 8 bits of VDW available */ + ICST_INTEGRATOR_AP_SYS, /* Only 8 bits of VDW available */ + ICST_INTEGRATOR_AP_PCI, /* Odd bit pattern storage */ + ICST_INTEGRATOR_CP_CM_CORE, /* Only 8 bits of VDW and 3 bits of OD */ + ICST_INTEGRATOR_CP_CM_MEM, /* Only 8 bits of VDW and 3 bits of OD */ + ICST_INTEGRATOR_IM_PD1, /* Like the Versatile, all control bits */ +}; + /** * struct clk_icst_desc - descriptor for the ICST VCO * @params: ICST parameters @@ -17,3 +32,10 @@ struct clk *icst_clk_register(struct device *dev, const char *name, const char *parent_name, void __iomem *base); + +struct clk *icst_clk_setup(struct device *dev, + const struct clk_icst_desc *desc, + const char *name, + const char *parent_name, + struct regmap *map, + enum icst_control_type ctype); diff --git a/drivers/clk/versatile/clk-impd1.c b/drivers/clk/versatile/clk-impd1.c index 1991f15a5db9..b05da8516d4c 100644 --- a/drivers/clk/versatile/clk-impd1.c +++ b/drivers/clk/versatile/clk-impd1.c @@ -7,7 +7,11 @@ #include <linux/clkdev.h> #include <linux/err.h> #include <linux/io.h> +#include <linux/platform_device.h> #include <linux/platform_data/clk-integrator.h> +#include <linux/module.h> +#include <linux/mfd/syscon.h> +#include <linux/regmap.h> #include "icst.h" #include "clk-icst.h" @@ -175,3 +179,78 @@ void integrator_impd1_clk_exit(unsigned int id) kfree(imc->pclkname); } EXPORT_SYMBOL_GPL(integrator_impd1_clk_exit); + +static int integrator_impd1_clk_spawn(struct device *dev, + struct device_node *parent, + struct device_node *np) +{ + struct regmap *map; + struct clk *clk = ERR_PTR(-EINVAL); + const char *name = np->name; + const char *parent_name; + const struct clk_icst_desc *desc; + int ret; + + map = syscon_node_to_regmap(parent); + if (IS_ERR(map)) { + pr_err("no regmap for syscon IM-PD1 ICST clock parent\n"); + return PTR_ERR(map); + } + + if (of_device_is_compatible(np, "arm,impd1-vco1")) { + desc = &impd1_icst1_desc; + } else if (of_device_is_compatible(np, "arm,impd1-vco2")) { + desc = &impd1_icst2_desc; + } else { + dev_err(dev, "not a clock node %s\n", name); + return -ENODEV; + } + + parent_name = of_clk_get_parent_name(np, 0); + clk = icst_clk_setup(NULL, desc, name, parent_name, map, + ICST_INTEGRATOR_IM_PD1); + if (!IS_ERR(clk)) { + of_clk_add_provider(np, of_clk_src_simple_get, clk); + ret = 0; + } else { + dev_err(dev, "error setting up IM-PD1 ICST clock\n"); + ret = PTR_ERR(clk); + } + + return ret; +} + +static int integrator_impd1_clk_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; + struct device_node *child; + int ret = 0; + + for_each_available_child_of_node(np, child) { + ret = integrator_impd1_clk_spawn(dev, np, child); + if (ret) + break; + } + + return ret; +} + +static const struct of_device_id impd1_syscon_match[] = { + { .compatible = "arm,im-pd1-syscon", }, + {} +}; +MODULE_DEVICE_TABLE(of, impd1_syscon_match); + +static struct platform_driver impd1_clk_driver = { + .driver = { + .name = "impd1-clk", + .of_match_table = impd1_syscon_match, + }, + .probe = integrator_impd1_clk_probe, +}; +builtin_platform_driver(impd1_clk_driver); + +MODULE_AUTHOR("Linus Walleij <[email protected]>"); +MODULE_DESCRIPTION("Arm IM-PD1 module clock driver"); +MODULE_LICENSE("GPL v2"); diff --git a/include/dt-bindings/clock/g12a-clkc.h b/include/dt-bindings/clock/g12a-clkc.h index 0837c1a7ae49..b0d65d73db96 100644 --- a/include/dt-bindings/clock/g12a-clkc.h +++ b/include/dt-bindings/clock/g12a-clkc.h @@ -143,5 +143,7 @@ #define CLKID_CPU1_CLK 253 #define CLKID_CPU2_CLK 254 #define CLKID_CPU3_CLK 255 +#define CLKID_SPICC0_SCLK 258 +#define CLKID_SPICC1_SCLK 261 #endif /* __G12A_CLKC_H */ diff --git a/include/dt-bindings/clock/gxbb-clkc.h b/include/dt-bindings/clock/gxbb-clkc.h index db0763e96173..4073eb7a9da1 100644 --- a/include/dt-bindings/clock/gxbb-clkc.h +++ b/include/dt-bindings/clock/gxbb-clkc.h @@ -146,5 +146,6 @@ #define CLKID_CTS_VDAC 201 #define CLKID_HDMI_TX 202 #define CLKID_HDMI 205 +#define CLKID_ACODEC 206 #endif /* __GXBB_CLKC_H */ diff --git a/include/dt-bindings/clock/marvell,mmp2.h b/include/dt-bindings/clock/marvell,mmp2.h index 4b1a7724f20d..06bb7fe4c62f 100644 --- a/include/dt-bindings/clock/marvell,mmp2.h +++ b/include/dt-bindings/clock/marvell,mmp2.h @@ -26,6 +26,9 @@ #define MMP2_CLK_VCTCXO_4 25 #define MMP2_CLK_UART_PLL 26 #define MMP2_CLK_USB_PLL 27 +#define MMP3_CLK_PLL1_P 28 +#define MMP3_CLK_PLL2_P 29 +#define MMP3_CLK_PLL3 30 /* apb periphrals */ #define MMP2_CLK_TWSI0 60 @@ -50,6 +53,10 @@ #define MMP2_CLK_SSP2 79 #define MMP2_CLK_SSP3 80 #define MMP2_CLK_TIMER 81 +#define MMP2_CLK_THERMAL0 82 +#define MMP3_CLK_THERMAL1 83 +#define MMP3_CLK_THERMAL2 84 +#define MMP3_CLK_THERMAL3 85 /* axi periphrals */ #define MMP2_CLK_SDH0 101 @@ -74,6 +81,12 @@ #define MMP2_CLK_DISP0_LCDC 120 #define MMP2_CLK_USBHSIC0 121 #define MMP2_CLK_USBHSIC1 122 +#define MMP2_CLK_GPU_BUS 123 +#define MMP3_CLK_GPU_BUS MMP2_CLK_GPU_BUS +#define MMP2_CLK_GPU_3D 124 +#define MMP3_CLK_GPU_3D MMP2_CLK_GPU_3D +#define MMP3_CLK_GPU_2D 125 +#define MMP3_CLK_SDH4 126 #define MMP2_NR_CLKS 200 #endif diff --git a/include/dt-bindings/clock/sun50i-a64-ccu.h b/include/dt-bindings/clock/sun50i-a64-ccu.h index e512a1c9b0fc..318eb15c414c 100644 --- a/include/dt-bindings/clock/sun50i-a64-ccu.h +++ b/include/dt-bindings/clock/sun50i-a64-ccu.h @@ -131,7 +131,7 @@ #define CLK_AVS 109 #define CLK_HDMI 110 #define CLK_HDMI_DDC 111 - +#define CLK_MBUS 112 #define CLK_DSI_DPHY 113 #define CLK_GPU 114 |