From b6e4bc125fc517969f97d901b1845ebf47bbea26 Mon Sep 17 00:00:00 2001 From: Jiaxun Yang Date: Thu, 28 May 2020 23:27:52 +0800 Subject: [PATCH] dt-bindings: interrupt-controller: Add Loongson PCH PIC Add binding for Loongson PCH PIC Controller. Reviewed-by: Rob Herring Signed-off-by: Jiaxun Yang Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/20200528152757.1028711-5-jiaxun.yang@flygoat.com --- .../loongson,pch-pic.yaml | 56 +++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml diff --git a/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml b/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml new file mode 100644 index 000000000000..274adea13f33 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/interrupt-controller/loongson,pch-pic.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Loongson PCH PIC Controller + +maintainers: + - Jiaxun Yang + +description: + This interrupt controller is found in the Loongson LS7A family of PCH for + transforming interrupts from on-chip devices into HyperTransport vectorized + interrupts. + +properties: + compatible: + const: loongson,pch-pic-1.0 + + reg: + maxItems: 1 + + loongson,pic-base-vec: + description: + u32 value of the base of parent HyperTransport vector allocated + to PCH PIC. + allOf: + - $ref: "/schemas/types.yaml#/definitions/uint32" + - minimum: 0 + maximum: 192 + + interrupt-controller: true + + '#interrupt-cells': + const: 2 + +required: + - compatible + - reg + - loongson,pic-base-vec + - interrupt-controller + - '#interrupt-cells' + +examples: + - | + #include + pic: interrupt-controller@10000000 { + compatible = "loongson,pch-pic-1.0"; + reg = <0x10000000 0x400>; + interrupt-controller; + #interrupt-cells = <2>; + loongson,pic-base-vec = <64>; + interrupt-parent = <&htvec>; + }; +...