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authorJiaxun Yang <jiaxun.yang@flygoat.com>2020-05-28 23:27:52 +0800
committerMarc Zyngier <maz@kernel.org>2020-05-29 09:42:18 +0100
commitb6e4bc125fc517969f97d901b1845ebf47bbea26 (patch)
treedc7c58475fc3b28026830e76137a2c61b6307ab9 /Documentation/devicetree/bindings/interrupt-controller
parentirqchip: Add Loongson PCH PIC controller (diff)
downloadwireguard-linux-b6e4bc125fc517969f97d901b1845ebf47bbea26.tar.xz
wireguard-linux-b6e4bc125fc517969f97d901b1845ebf47bbea26.zip
dt-bindings: interrupt-controller: Add Loongson PCH PIC
Add binding for Loongson PCH PIC Controller. Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200528152757.1028711-5-jiaxun.yang@flygoat.com
Diffstat (limited to 'Documentation/devicetree/bindings/interrupt-controller')
-rw-r--r--Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml56
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diff --git a/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml b/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml
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+++ b/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml
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+# 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 <jiaxun.yang@flygoat.com>
+
+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 <dt-bindings/interrupt-controller/irq.h>
+ 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>;
+ };
+...