From 6c2832c3c6edc38ab58bad29731b4951c0a90cf8 Mon Sep 17 00:00:00 2001 From: Jiaxun Yang Date: Thu, 28 May 2020 23:27:50 +0800 Subject: [PATCH] dt-bindings: interrupt-controller: Add Loongson HTVEC Add binding for Loongson-3 HyperTransport Interrupt Vector Controller. Reviewed-by: Rob Herring Signed-off-by: Jiaxun Yang Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/20200528152757.1028711-3-jiaxun.yang@flygoat.com --- .../interrupt-controller/loongson,htvec.yaml | 57 ++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/loongson,htvec.yaml diff --git a/Documentation/devicetree/bindings/interrupt-controller/loongson,htvec.yaml b/Documentation/devicetree/bindings/interrupt-controller/loongson,htvec.yaml new file mode 100644 index 0000000..e865cd8 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/loongson,htvec.yaml @@ -0,0 +1,57 @@ +# 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 + +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 + 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>; + }; +... -- 2.7.4