diff options
Diffstat (limited to 'Documentation/devicetree/bindings/interrupt-controller')
4 files changed, 65 insertions, 38 deletions
diff --git a/Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml b/Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml index 698588e9aa86..4be9b596a790 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml +++ b/Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml @@ -31,13 +31,25 @@ description: | This device also represents the FIQ interrupt sources on platforms using AIC, which do not go through a discrete interrupt controller. + IPIs may be performed via MMIO registers on all variants of AIC. Starting + from A11, system registers may also be used for "fast" IPIs. Starting from + M1, even faster IPIs within the same cluster may be achieved by writing to + a "local" fast IPI register as opposed to using the "global" fast IPI + register. + allOf: - $ref: /schemas/interrupt-controller.yaml# properties: compatible: items: - - const: apple,t8103-aic + - enum: + - apple,s5l8960x-aic + - apple,t7000-aic + - apple,s8000-aic + - apple,t8010-aic + - apple,t8015-aic + - apple,t8103-aic - const: apple,aic interrupt-controller: true diff --git a/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm2836-l1-intc.txt b/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm2836-l1-intc.txt deleted file mode 100644 index 8ced1696c325..000000000000 --- a/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm2836-l1-intc.txt +++ /dev/null @@ -1,37 +0,0 @@ -BCM2836 per-CPU interrupt controller - -The BCM2836 has a per-cpu interrupt controller for the timer, PMU -events, and SMP IPIs. One of the CPUs may receive interrupts for the -peripheral (GPU) events, which chain to the BCM2835-style interrupt -controller. - -Required properties: - -- compatible: Should be "brcm,bcm2836-l1-intc" -- reg: Specifies base physical address and size of the - registers -- interrupt-controller: Identifies the node as an interrupt controller -- #interrupt-cells: Specifies the number of cells needed to encode an - interrupt source. The value shall be 2 - -Please refer to interrupts.txt in this directory for details of the common -Interrupt Controllers bindings used by client devices. - -The interrupt sources are as follows: - -0: CNTPSIRQ -1: CNTPNSIRQ -2: CNTHPIRQ -3: CNTVIRQ -8: GPU_FAST -9: PMU_FAST - -Example: - -local_intc: local_intc { - compatible = "brcm,bcm2836-l1-intc"; - reg = <0x40000000 0x100>; - interrupt-controller; - #interrupt-cells = <2>; - interrupt-parent = <&local_intc>; -}; diff --git a/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm2836-l1-intc.yaml b/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm2836-l1-intc.yaml new file mode 100644 index 000000000000..5fda626c80ce --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm2836-l1-intc.yaml @@ -0,0 +1,51 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interrupt-controller/brcm,bcm2836-l1-intc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: BCM2836 per-CPU interrupt controller + +maintainers: + - Stefan Wahren <wahrenst@gmx.net> + - Raspberry Pi Kernel Maintenance <kernel-list@raspberrypi.com> + +description: + The BCM2836 has a per-cpu interrupt controller for the timer, PMU + events, and SMP IPIs. One of the CPUs may receive interrupts for the + peripheral (GPU) events, which chain to the BCM2835-style interrupt + controller. + +allOf: + - $ref: /schemas/interrupt-controller.yaml# + +properties: + compatible: + const: brcm,bcm2836-l1-intc + + reg: + maxItems: 1 + + interrupt-controller: true + + '#interrupt-cells': + const: 2 + +required: + - compatible + - reg + - interrupt-controller + - '#interrupt-cells' + +additionalProperties: false + +examples: + - | + local_intc: interrupt-controller@40000000 { + compatible = "brcm,bcm2836-l1-intc"; + reg = <0x40000000 0x100>; + interrupt-controller; + #interrupt-cells = <2>; + interrupt-parent = <&local_intc>; + }; +... diff --git a/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml b/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml index 709b2211276b..7e1451f9786a 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml +++ b/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml @@ -67,6 +67,7 @@ properties: - allwinner,sun20i-d1-plic - sophgo,cv1800b-plic - sophgo,cv1812h-plic + - sophgo,sg2002-plic - sophgo,sg2042-plic - thead,th1520-plic - const: thead,c900-plic |