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authorJiaxun Yang <jiaxun.yang@flygoat.com>2020-05-28 18:27:50 +0300
committerMarc Zyngier <maz@kernel.org>2020-05-29 11:42:18 +0300
commit6c2832c3c6edc38ab58bad29731b4951c0a90cf8 (patch)
treeec876323b635bd1061ab3dede7793ed2499b355d /Documentation
parent818e915fbac518e8c78e1877a0048d92d4965e5a (diff)
downloadlinux-6c2832c3c6edc38ab58bad29731b4951c0a90cf8.tar.xz
dt-bindings: interrupt-controller: Add Loongson HTVEC
Add binding for Loongson-3 HyperTransport Interrupt Vector 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/20200528152757.1028711-3-jiaxun.yang@flygoat.com
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/interrupt-controller/loongson,htvec.yaml57
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diff --git a/Documentation/devicetree/bindings/interrupt-controller/loongson,htvec.yaml b/Documentation/devicetree/bindings/interrupt-controller/loongson,htvec.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/interrupt-controller/loongson,htvec.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Loongson-3 HyperTransport Interrupt Vector Controller
+
+maintainers:
+ - Jiaxun Yang <jiaxun.yang@flygoat.com>
+
+description:
+ This interrupt controller is found in the Loongson-3 family of chips for
+ receiving vectorized interrupts from PCH's interrupt controller.
+
+properties:
+ compatible:
+ const: loongson,htvec-1.0
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ minItems: 1
+ maxItems: 4
+ description: Four parent interrupts that receive chained interrupts.
+
+ interrupt-controller: true
+
+ '#interrupt-cells':
+ const: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - interrupt-controller
+ - '#interrupt-cells'
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ htvec: interrupt-controller@fb000080 {
+ compatible = "loongson,htvec-1.0";
+ reg = <0xfb000080 0x40>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
+
+ interrupt-parent = <&liointc>;
+ interrupts = <24 IRQ_TYPE_LEVEL_HIGH>,
+ <25 IRQ_TYPE_LEVEL_HIGH>,
+ <26 IRQ_TYPE_LEVEL_HIGH>,
+ <27 IRQ_TYPE_LEVEL_HIGH>;
+ };
+...