diff options
20 files changed, 514 insertions, 100 deletions
diff --git a/Documentation/devicetree/bindings/arm/altera.yaml b/Documentation/devicetree/bindings/arm/altera.yaml index 5e2017c0a051..e6de1d7f516c 100644 --- a/Documentation/devicetree/bindings/arm/altera.yaml +++ b/Documentation/devicetree/bindings/arm/altera.yaml @@ -25,7 +25,14 @@ properties: items: - enum: - altr,socfpga-arria10-socdk - - enclustra,mercury-aa1 + - const: altr,socfpga-arria10 + - const: altr,socfpga + + - description: Mercury+ AA1 boards + items: + - enum: + - google,chameleon-v3 + - const: enclustra,mercury-aa1 - const: altr,socfpga-arria10 - const: altr,socfpga @@ -47,6 +54,7 @@ properties: items: - enum: - altr,socfpga-stratix10-socdk + - altr,socfpga-stratix10-swvp - const: altr,socfpga-stratix10 - description: SoCFPGA VT diff --git a/Documentation/devicetree/bindings/reset/renesas,rzg2l-usbphy-ctrl.yaml b/Documentation/devicetree/bindings/reset/renesas,rzg2l-usbphy-ctrl.yaml index 86c2569ced97..731b8ce01525 100644 --- a/Documentation/devicetree/bindings/reset/renesas,rzg2l-usbphy-ctrl.yaml +++ b/Documentation/devicetree/bindings/reset/renesas,rzg2l-usbphy-ctrl.yaml @@ -17,6 +17,7 @@ properties: compatible: items: - enum: + - renesas,r9a07g043-usbphy-ctrl # RZ/G2UL - renesas,r9a07g044-usbphy-ctrl # RZ/G2{L,LC} - renesas,r9a07g054-usbphy-ctrl # RZ/V2L - const: renesas,rzg2l-usbphy-ctrl diff --git a/Documentation/devicetree/bindings/reset/ti,tps380x-reset.yaml b/Documentation/devicetree/bindings/reset/ti,tps380x-reset.yaml new file mode 100644 index 000000000000..afc835eda0ef --- /dev/null +++ b/Documentation/devicetree/bindings/reset/ti,tps380x-reset.yaml @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/reset/ti,tps380x-reset.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI TPS380x reset controller node bindings + +maintainers: + - Marco Felsch <[email protected]> + +description: | + The TPS380x family [1] of supervisory circuits monitor supply voltages to + provide circuit initialization and timing supervision. The devices assert a + RESET signal if the voltage drops below a preset threshold or upon a manual + reset input (MR). The RESET output remains asserted for the factory + programmed delay after the voltage return above its threshold or after the + manual reset input is released. + + [1] https://www.ti.com/product/TPS3801 + +properties: + compatible: + enum: + - ti,tps3801 + + reset-gpios: + maxItems: 1 + description: Reference to the GPIO connected to the MR pin. + + "#reset-cells": + const: 0 + +required: + - compatible + - reset-gpios + - "#reset-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + reset: reset-controller { + compatible = "ti,tps3801"; + #reset-cells = <0>; + reset-gpios = <&gpio3 2 GPIO_ACTIVE_LOW>; + }; +... diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 5112f493f494..fff06ce4ad70 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -1148,7 +1148,7 @@ dtb-$(CONFIG_ARCH_S5PV210) += \ s5pv210-torbreck.dtb dtb-$(CONFIG_ARCH_INTEL_SOCFPGA) += \ socfpga_arria5_socdk.dtb \ - socfpga_arria10_mercury_aa1.dtb \ + socfpga_arria10_chameleonv3.dtb \ socfpga_arria10_socdk_nand.dtb \ socfpga_arria10_socdk_qspi.dtb \ socfpga_arria10_socdk_sdmmc.dtb \ diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi index bfaef45bdd04..2459f3cd7dd9 100644 --- a/arch/arm/boot/dts/socfpga.dtsi +++ b/arch/arm/boot/dts/socfpga.dtsi @@ -561,6 +561,12 @@ interrupts = <0 175 4>; }; + socfpga_axi_setup: stmmac-axi-config { + snps,wr_osr_lmt = <0xf>; + snps,rd_osr_lmt = <0xf>; + snps,blen = <0 0 0 0 16 0 0>; + }; + gmac0: ethernet@ff700000 { compatible = "altr,socfpga-stmmac", "snps,dwmac-3.70a", "snps,dwmac"; altr,sysmgr-syscon = <&sysmgr 0x60 0>; @@ -576,6 +582,7 @@ snps,perfect-filter-entries = <128>; tx-fifo-depth = <4096>; rx-fifo-depth = <4096>; + snps,axi-config = <&socfpga_axi_setup>; status = "disabled"; }; @@ -594,6 +601,7 @@ snps,perfect-filter-entries = <128>; tx-fifo-depth = <4096>; rx-fifo-depth = <4096>; + snps,axi-config = <&socfpga_axi_setup>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/socfpga_arria10.dtsi b/arch/arm/boot/dts/socfpga_arria10.dtsi index 26bda2557fe8..4370e3cbbb4b 100644 --- a/arch/arm/boot/dts/socfpga_arria10.dtsi +++ b/arch/arm/boot/dts/socfpga_arria10.dtsi @@ -736,6 +736,16 @@ <37 IRQ_TYPE_LEVEL_HIGH>; }; + sdmmca-ecc@ff8c2c00 { + compatible = "altr,socfpga-sdmmc-ecc"; + reg = <0xff8c2c00 0x400>; + altr,ecc-parent = <&mmc>; + interrupts = <15 IRQ_TYPE_LEVEL_HIGH>, + <47 IRQ_TYPE_LEVEL_HIGH>, + <16 IRQ_TYPE_LEVEL_HIGH>, + <48 IRQ_TYPE_LEVEL_HIGH>; + }; + dma-ecc@ff8c8000 { compatible = "altr,socfpga-dma-ecc"; reg = <0xff8c8000 0x400>; diff --git a/arch/arm/boot/dts/socfpga_arria10_chameleonv3.dts b/arch/arm/boot/dts/socfpga_arria10_chameleonv3.dts new file mode 100644 index 000000000000..422d00cd4c74 --- /dev/null +++ b/arch/arm/boot/dts/socfpga_arria10_chameleonv3.dts @@ -0,0 +1,90 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2022 Google LLC + */ +/dts-v1/; +#include "socfpga_arria10_mercury_aa1.dtsi" + +/ { + model = "Google Chameleon V3"; + compatible = "google,chameleon-v3", "enclustra,mercury-aa1", + "altr,socfpga-arria10", "altr,socfpga"; + + aliases { + serial0 = &uart0; + i2c0 = &i2c0; + i2c1 = &i2c1; + }; +}; + +&gmac0 { + status = "okay"; +}; + +&gpio0 { + status = "okay"; +}; + +&gpio1 { + status = "okay"; +}; + +&gpio2 { + status = "okay"; +}; + +&i2c0 { + status = "okay"; + + ssm2603: audio-codec@1a { + compatible = "adi,ssm2603"; + reg = <0x1a>; + }; +}; + +&i2c1 { + status = "okay"; + + u80: gpio@21 { + compatible = "nxp,pca9535"; + reg = <0x21>; + gpio-controller; + #gpio-cells = <2>; + + gpio-line-names = + "SOM_AUD_MUTE", + "DP1_OUT_CEC_EN", + "DP2_OUT_CEC_EN", + "DP1_SOM_PS8469_CAD", + "DPD_SOM_PS8469_CAD", + "DP_OUT_PWR_EN", + "STM32_RST_L", + "STM32_BOOT0", + + "FPGA_PROT", + "STM32_FPGA_COMM0", + "TP119", + "TP120", + "TP121", + "TP122", + "TP123", + "TP124"; + }; +}; + +&mmc { + status = "okay"; +}; + +&uart0 { + status = "okay"; +}; + +&uart1 { + status = "okay"; +}; + +&usb0 { + status = "okay"; + dr_mode = "host"; +}; diff --git a/arch/arm/boot/dts/socfpga_arria10_mercury_aa1.dts b/arch/arm/boot/dts/socfpga_arria10_mercury_aa1.dtsi index a75c059b6727..ad7cd14de6b6 100644 --- a/arch/arm/boot/dts/socfpga_arria10_mercury_aa1.dts +++ b/arch/arm/boot/dts/socfpga_arria10_mercury_aa1.dtsi @@ -1,5 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 -/dts-v1/; +/* + * Copyright 2022 Google LLC + */ #include "socfpga_arria10.dtsi" @@ -11,8 +13,6 @@ aliases { ethernet0 = &gmac0; serial1 = &uart1; - i2c0 = &i2c0; - i2c1 = &i2c1; }; memory@0 { @@ -26,24 +26,11 @@ }; }; -&eccmgr { - sdmmca-ecc@ff8c2c00 { - compatible = "altr,socfpga-sdmmc-ecc"; - reg = <0xff8c2c00 0x400>; - altr,ecc-parent = <&mmc>; - interrupts = <15 IRQ_TYPE_LEVEL_HIGH>, - <47 IRQ_TYPE_LEVEL_HIGH>, - <16 IRQ_TYPE_LEVEL_HIGH>, - <48 IRQ_TYPE_LEVEL_HIGH>; - }; -}; - &gmac0 { phy-mode = "rgmii"; phy-addr = <0xffffffff>; /* probe for phy addr */ max-frame-size = <3800>; - status = "okay"; phy-handle = <&phy3>; @@ -69,22 +56,13 @@ }; }; -&gpio0 { - status = "okay"; -}; - -&gpio1 { - status = "okay"; -}; - -&gpio2 { - status = "okay"; -}; - &i2c1 { - status = "okay"; + atsha204a: crypto@64 { + compatible = "atmel,atsha204a"; + reg = <0x64>; + }; + isl12022: isl12022@6f { - status = "okay"; compatible = "isil,isl12022"; reg = <0x6f>; }; @@ -92,7 +70,6 @@ /* Following mappings are taken from arria10 socdk dts */ &mmc { - status = "okay"; cap-sd-highspeed; broken-cd; bus-width = <4>; @@ -101,12 +78,3 @@ &osc1 { clock-frequency = <33330000>; }; - -&uart1 { - status = "okay"; -}; - -&usb0 { - status = "okay"; - dr_mode = "host"; -}; diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms index 4e6d635a1731..aff8cbca811e 100644 --- a/arch/arm64/Kconfig.platforms +++ b/arch/arm64/Kconfig.platforms @@ -248,7 +248,8 @@ config ARCH_INTEL_SOCFPGA bool "Intel's SoCFPGA ARMv8 Families" help This enables support for Intel's SoCFPGA ARMv8 families: - Stratix 10 (ex. Altera), Agilex and eASIC N5X. + Stratix 10 (ex. Altera), Stratix10 Software Virtual Platform, + Agilex and eASIC N5X. config ARCH_SYNQUACER bool "Socionext SynQuacer SoC Family" diff --git a/arch/arm64/boot/dts/altera/Makefile b/arch/arm64/boot/dts/altera/Makefile index 4db83fbeb115..1bf0c472f6b4 100644 --- a/arch/arm64/boot/dts/altera/Makefile +++ b/arch/arm64/boot/dts/altera/Makefile @@ -1,3 +1,4 @@ # SPDX-License-Identifier: GPL-2.0-only dtb-$(CONFIG_ARCH_INTEL_SOCFPGA) += socfpga_stratix10_socdk.dtb \ - socfpga_stratix10_socdk_nand.dtb + socfpga_stratix10_socdk_nand.dtb \ + socfpga_stratix10_swvp.dtb diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi index aa2bba75265f..14c220d87807 100644 --- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi @@ -97,6 +97,34 @@ <0x0 0xfffc6000 0x0 0x2000>; }; + clocks { + cb_intosc_hs_div2_clk: cb-intosc-hs-div2-clk { + #clock-cells = <0>; + compatible = "fixed-clock"; + }; + + cb_intosc_ls_clk: cb-intosc-ls-clk { + #clock-cells = <0>; + compatible = "fixed-clock"; + }; + + f2s_free_clk: f2s-free-clk { + #clock-cells = <0>; + compatible = "fixed-clock"; + }; + + osc1: osc1 { + #clock-cells = <0>; + compatible = "fixed-clock"; + }; + + qspi_clk: qspi-clk { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <200000000>; + }; + }; + soc { #address-cells = <1>; #size-cells = <1>; @@ -119,34 +147,6 @@ #clock-cells = <1>; }; - clocks { - cb_intosc_hs_div2_clk: cb-intosc-hs-div2-clk { - #clock-cells = <0>; - compatible = "fixed-clock"; - }; - - cb_intosc_ls_clk: cb-intosc-ls-clk { - #clock-cells = <0>; - compatible = "fixed-clock"; - }; - - f2s_free_clk: f2s-free-clk { - #clock-cells = <0>; - compatible = "fixed-clock"; - }; - - osc1: osc1 { - #clock-cells = <0>; - compatible = "fixed-clock"; - }; - - qspi_clk: qspi-clk { - #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <200000000>; - }; - }; - gmac0: ethernet@ff800000 { compatible = "altr,socfpga-stmmac-a10-s10", "snps,dwmac-3.74a", "snps,dwmac"; reg = <0xff800000 0x2000>; @@ -594,7 +594,7 @@ }; qspi: spi@ff8d2000 { - compatible = "intel,socfpga-qspi", "cdns,qspi-nor"; + compatible = "intel,socfpga-qspi", "cdns,qspi-nor"; #address-cells = <1>; #size-cells = <0>; reg = <0xff8d2000 0x100>, diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts index 5159cd5771dc..48424e459f12 100644 --- a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts @@ -52,12 +52,6 @@ }; soc { - clocks { - osc1 { - clock-frequency = <25000000>; - }; - }; - eccmgr { sdmmca-ecc@ff8c8c00 { compatible = "altr,socfpga-s10-sdmmc-ecc", @@ -113,6 +107,10 @@ bus-width = <4>; }; +&osc1 { + clock-frequency = <25000000>; +}; + &uart0 { status = "okay"; }; diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk_nand.dts b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk_nand.dts index 0ab676c639a1..847a7c01f5af 100644 --- a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk_nand.dts +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk_nand.dts @@ -52,12 +52,6 @@ }; soc { - clocks { - osc1 { - clock-frequency = <25000000>; - }; - }; - eccmgr { sdmmca-ecc@ff8c8c00 { compatible = "altr,socfpga-s10-sdmmc-ecc", @@ -126,6 +120,10 @@ }; }; +&osc1 { + clock-frequency = <25000000>; +}; + &uart0 { status = "okay"; }; diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10_swvp.dts b/arch/arm64/boot/dts/altera/socfpga_stratix10_swvp.dts new file mode 100644 index 000000000000..a8db58573954 --- /dev/null +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10_swvp.dts @@ -0,0 +1,117 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2022, Intel Corporation + */ + +#include "socfpga_stratix10.dtsi" + +/ { + model = "SOCFPGA Stratix 10 SWVP"; + compatible = "altr,socfpga-stratix10-swvp", "altr,socfpga-stratix10"; + + aliases { + serial0 = &uart0; + serial1 = &uart1; + + timer0 = &timer0; + timer1 = &timer1; + timer2 = &timer2; + timer3 = &timer3; + + ethernet0 = &gmac0; + ethernet1 = &gmac1; + ethernet2 = &gmac2; + }; + + chosen { + stdout-path = "serial1:115200n8"; + linux,initrd-start = <0x10000000>; + linux,initrd-end = <0x125c8324>; + }; + + memory { + device_type = "memory"; + reg = <0x0 0x0 0x0 0x80000000>; + }; +}; + +&cpu0 { + enable-method = "spin-table"; + cpu-release-addr = <0x0 0x0000fff8>; +}; + +&cpu1 { + enable-method = "spin-table"; + cpu-release-addr = <0x0 0x0000fff8>; +}; + +&cpu2 { + enable-method = "spin-table"; + cpu-release-addr = <0x0 0x0000fff8>; +}; + +&cpu3 { + enable-method = "spin-table"; + cpu-release-addr = <0x0 0x0000fff8>; +}; + +&osc1 { + clock-frequency = <25000000>; +}; + +&gmac0 { + status = "okay"; + phy-mode = "rgmii"; + phy-addr = <0xffffffff>; + snps,max-mtu = <0x0>; +}; + +&gmac1 { + status = "okay"; + phy-mode = "rgmii"; + phy-addr = <0xffffffff>; +}; + +&gmac2 { + status = "okay"; + phy-mode = "rgmii"; + phy-addr = <0xffffffff>; +}; + +&mmc { + status = "okay"; + altr,dw-mshc-ciu-div = <0x3>; + altr,dw-mshc-sdr-timing = <0x0 0x3>; + cap-sd-highspeed; + cap-mmc-highspeed; + broken-cd; + bus-width = <4>; +}; + +&uart0 { + status = "okay"; +}; + +&uart1 { + status = "okay"; +}; + +&usb0 { + clocks = <&clkmgr STRATIX10_L4_MP_CLK>; + status = "okay"; +}; + +&usb1 { + clocks = <&clkmgr STRATIX10_L4_MP_CLK>; + status = "okay"; +}; + +&rst { + altr,modrst-offset = <0x20>; +}; + +&sysmgr { + reg = <0xffd12000 0x1000>; + interrupts = <0x0 0x10 0x4>; + cpu1-start-addr = <0xffd06230>; +}; diff --git a/arch/arm64/boot/dts/apple/t8103-pmgr.dtsi b/arch/arm64/boot/dts/apple/t8103-pmgr.dtsi index fc51bc872468..a6dbb1f485d8 100644 --- a/arch/arm64/boot/dts/apple/t8103-pmgr.dtsi +++ b/arch/arm64/boot/dts/apple/t8103-pmgr.dtsi @@ -725,11 +725,6 @@ #power-domain-cells = <0>; #reset-cells = <0>; label = "ans2"; - /* - * The ADT makes ps_apcie_st depend on ps_ans2 instead, but this - * doesn't make much sense since ANS2 uses APCIE_ST. - */ - power-domains = <&ps_apcie_st>; }; ps_gfx: power-controller@3f8 { @@ -836,7 +831,7 @@ #power-domain-cells = <0>; #reset-cells = <0>; label = "apcie_st"; - power-domains = <&ps_apcie>; + power-domains = <&ps_apcie>, <&ps_ans2>; }; ps_ane_sys: power-controller@470 { diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi index 9f8f4145db88..51a63b29d404 100644 --- a/arch/arm64/boot/dts/apple/t8103.dtsi +++ b/arch/arm64/boot/dts/apple/t8103.dtsi @@ -378,6 +378,40 @@ <AIC_IRQ 274 IRQ_TYPE_LEVEL_HIGH>; }; + ans_mbox: mbox@277408000 { + compatible = "apple,t8103-asc-mailbox", "apple,asc-mailbox-v4"; + reg = <0x2 0x77408000 0x0 0x4000>; + interrupt-parent = <&aic>; + interrupts = <AIC_IRQ 583 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 584 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 585 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 586 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "send-empty", "send-not-empty", + "recv-empty", "recv-not-empty"; + #mbox-cells = <0>; + power-domains = <&ps_ans2>; + }; + + sart: iommu@27bc50000 { + compatible = "apple,t8103-sart"; + reg = <0x2 0x7bc50000 0x0 0x10000>; + power-domains = <&ps_ans2>; + }; + + nvme@27bcc0000 { + compatible = "apple,t8103-nvme-ans2", "apple,nvme-ans2"; + reg = <0x2 0x7bcc0000 0x0 0x40000>, + <0x2 0x77400000 0x0 0x4000>; + reg-names = "nvme", "ans"; + interrupt-parent = <&aic>; + interrupts = <AIC_IRQ 590 IRQ_TYPE_LEVEL_HIGH>; + mboxes = <&ans_mbox>; + apple,sart = <&sart>; + power-domains = <&ps_ans2>, <&ps_apcie_st>; + power-domain-names = "ans", "apcie0"; + resets = <&ps_ans2>; + }; + pcie0_dart_0: dart@681008000 { compatible = "apple,t8103-dart"; reg = <0x6 0x81008000 0x0 0x4000>; diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi b/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi index caccb0334ada..7bbec8aafa62 100644 --- a/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi +++ b/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi @@ -581,7 +581,7 @@ sdramedac { compatible = "altr,sdram-edac-s10"; altr,sdr-syscon = <&sdr>; - interrupts = <16 4>; + interrupts = <16 IRQ_TYPE_LEVEL_HIGH>; }; ocram-ecc@ff8cc000 { @@ -589,7 +589,7 @@ "altr,socfpga-a10-ocram-ecc"; reg = <0xff8cc000 0x100>; altr,ecc-parent = <&ocram>; - interrupts = <1 4>; + interrupts = <1 IRQ_TYPE_LEVEL_HIGH>; }; usb0-ecc@ff8c4000 { @@ -597,7 +597,7 @@ "altr,socfpga-usb-ecc"; reg = <0xff8c4000 0x100>; altr,ecc-parent = <&usb0>; - interrupts = <2 4>; + interrupts = <2 IRQ_TYPE_LEVEL_HIGH>; }; emac0-rx-ecc@ff8c0000 { @@ -605,7 +605,7 @@ "altr,socfpga-eth-mac-ecc"; reg = <0xff8c0000 0x100>; altr,ecc-parent = <&gmac0>; - interrupts = <4 4>; + interrupts = <4 IRQ_TYPE_LEVEL_HIGH>; }; emac0-tx-ecc@ff8c0400 { @@ -613,7 +613,7 @@ "altr,socfpga-eth-mac-ecc"; reg = <0xff8c0400 0x100>; altr,ecc-parent = <&gmac0>; - interrupts = <5 4>; + interrupts = <5 IRQ_TYPE_LEVEL_HIGH>; }; sdmmca-ecc@ff8c8c00 { @@ -621,8 +621,8 @@ "altr,socfpga-sdmmc-ecc"; reg = <0xff8c8c00 0x100>; altr,ecc-parent = <&mmc>; - interrupts = <14 4>, - <15 4>; + interrupts = <14 IRQ_TYPE_LEVEL_HIGH>, + <15 IRQ_TYPE_LEVEL_HIGH>; }; }; diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig index 93c8d07ee328..9b0a0263a005 100644 --- a/drivers/reset/Kconfig +++ b/drivers/reset/Kconfig @@ -17,7 +17,7 @@ if RESET_CONTROLLER config RESET_A10SR tristate "Altera Arria10 System Resource Reset" - depends on MFD_ALTERA_A10SR + depends on MFD_ALTERA_A10SR || COMPILE_TEST help This option enables support for the external reset functions for peripheral PHYs on the Altera Arria10 System Resource Chip. @@ -200,8 +200,9 @@ config RESET_SCMI firmware controlling all the reset signals. config RESET_SIMPLE - bool "Simple Reset Controller Driver" if COMPILE_TEST + bool "Simple Reset Controller Driver" if COMPILE_TEST || EXPERT default ARCH_ASPEED || ARCH_BCM4908 || ARCH_BITMAIN || ARCH_REALTEK || ARCH_STM32 || (ARCH_INTEL_SOCFPGA && ARM64) || ARCH_SUNXI || ARC + depends on HAS_IOMEM help This enables a simple reset controller driver for reset lines that that can be asserted and deasserted by toggling bits in a contiguous, @@ -256,6 +257,14 @@ config RESET_TI_SYSCON you wish to use the reset framework for such memory-mapped devices, say Y here. Otherwise, say N. +config RESET_TI_TPS380X + tristate "TI TPS380x Reset Driver" + select GPIOLIB + help + This enables the reset driver support for TI TPS380x devices. If + you wish to use the reset framework for such devices, say Y here. + Otherwise, say N. + config RESET_TN48M_CPLD tristate "Delta Networks TN48M switch CPLD reset controller" depends on MFD_TN48M_CPLD || COMPILE_TEST diff --git a/drivers/reset/Makefile b/drivers/reset/Makefile index a80a9c4008a7..66399b92b1bb 100644 --- a/drivers/reset/Makefile +++ b/drivers/reset/Makefile @@ -33,6 +33,7 @@ obj-$(CONFIG_RESET_STARFIVE_JH7100) += reset-starfive-jh7100.o obj-$(CONFIG_RESET_SUNXI) += reset-sunxi.o obj-$(CONFIG_RESET_TI_SCI) += reset-ti-sci.o obj-$(CONFIG_RESET_TI_SYSCON) += reset-ti-syscon.o +obj-$(CONFIG_RESET_TI_TPS380X) += reset-tps380x.o obj-$(CONFIG_RESET_TN48M_CPLD) += reset-tn48m.o obj-$(CONFIG_RESET_UNIPHIER) += reset-uniphier.o obj-$(CONFIG_RESET_UNIPHIER_GLUE) += reset-uniphier-glue.o diff --git a/drivers/reset/reset-tps380x.c b/drivers/reset/reset-tps380x.c new file mode 100644 index 000000000000..09d511f069ba --- /dev/null +++ b/drivers/reset/reset-tps380x.c @@ -0,0 +1,126 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * TI TPS380x Supply Voltage Supervisor and Reset Controller Driver + * + * Copyright (C) 2022 Pengutronix, Marco Felsch <[email protected]> + * + * Based on Simple Reset Controller Driver + * + * Copyright (C) 2017 Pengutronix, Philipp Zabel <[email protected]> + */ + +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/property.h> +#include <linux/reset-controller.h> + +struct tps380x_reset { + struct reset_controller_dev rcdev; + struct gpio_desc *reset_gpio; + unsigned int reset_ms; +}; + +struct tps380x_reset_devdata { + unsigned int min_reset_ms; + unsigned int typ_reset_ms; + unsigned int max_reset_ms; +}; + +static inline +struct tps380x_reset *to_tps380x_reset(struct reset_controller_dev *rcdev) +{ + return container_of(rcdev, struct tps380x_reset, rcdev); +} + +static int +tps380x_reset_assert(struct reset_controller_dev *rcdev, unsigned long id) +{ + struct tps380x_reset *tps380x = to_tps380x_reset(rcdev); + + gpiod_set_value_cansleep(tps380x->reset_gpio, 1); + + return 0; +} + +static int +tps380x_reset_deassert(struct reset_controller_dev *rcdev, unsigned long id) +{ + struct tps380x_reset *tps380x = to_tps380x_reset(rcdev); + + gpiod_set_value_cansleep(tps380x->reset_gpio, 0); + msleep(tps380x->reset_ms); + + return 0; +} + +static const struct reset_control_ops reset_tps380x_ops = { + .assert = tps380x_reset_assert, + .deassert = tps380x_reset_deassert, +}; + +static int tps380x_reset_of_xlate(struct reset_controller_dev *rcdev, + const struct of_phandle_args *reset_spec) +{ + /* No special handling needed, we have only one reset line per device */ + return 0; +} + +static int tps380x_reset_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + const struct tps380x_reset_devdata *devdata; + struct tps380x_reset *tps380x; + + devdata = device_get_match_data(dev); + if (!devdata) + return -EINVAL; + + tps380x = devm_kzalloc(dev, sizeof(*tps380x), GFP_KERNEL); + if (!tps380x) + return -ENOMEM; + + tps380x->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(tps380x->reset_gpio)) + return dev_err_probe(dev, PTR_ERR(tps380x->reset_gpio), + "Failed to get GPIO\n"); + + tps380x->reset_ms = devdata->max_reset_ms; + + tps380x->rcdev.ops = &reset_tps380x_ops; + tps380x->rcdev.owner = THIS_MODULE; + tps380x->rcdev.dev = dev; + tps380x->rcdev.of_node = dev->of_node; + tps380x->rcdev.of_reset_n_cells = 0; + tps380x->rcdev.of_xlate = tps380x_reset_of_xlate; + tps380x->rcdev.nr_resets = 1; + + return devm_reset_controller_register(dev, &tps380x->rcdev); +} + +static const struct tps380x_reset_devdata tps3801_reset_data = { + .min_reset_ms = 120, + .typ_reset_ms = 200, + .max_reset_ms = 280, +}; + +static const struct of_device_id tps380x_reset_dt_ids[] = { + { .compatible = "ti,tps3801", .data = &tps3801_reset_data }, + { /* sentinel */ }, +}; +MODULE_DEVICE_TABLE(of, tps380x_reset_dt_ids); + +static struct platform_driver tps380x_reset_driver = { + .probe = tps380x_reset_probe, + .driver = { + .name = "tps380x-reset", + .of_match_table = tps380x_reset_dt_ids, + }, +}; +module_platform_driver(tps380x_reset_driver); + +MODULE_AUTHOR("Marco Felsch <[email protected]>"); +MODULE_DESCRIPTION("TI TPS380x Supply Voltage Supervisor and Reset Driver"); +MODULE_LICENSE("GPL v2"); |