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Loongson 7A series PCH contains an LPC controller with an interrupt controller. Add the device tree binding for the interrupt controller. Signed-off-by: Icenowy Zheng <zhengxingda@iscas.ac.cn> Signed-off-by: Thomas Gleixner <tglx@kernel.org> Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Reviewed-by: Huacai Chen <chenhuacai@loongson.cn> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Link: https://patch.msgid.link/20260321092032.3502701-4-zhengxingda@iscas.ac.cn
53 lines
1.1 KiB
YAML
53 lines
1.1 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/interrupt-controller/loongson,pch-lpc.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Loongson PCH LPC Controller
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maintainers:
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- Jiaxun Yang <jiaxun.yang@flygoat.com>
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description:
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This interrupt controller is found in the Loongson LS7A family of PCH for
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accepting interrupts sent by LPC-connected peripherals and signalling PIC
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via a single interrupt line when interrupts are available.
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properties:
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compatible:
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const: loongson,ls7a-lpc
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reg:
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maxItems: 1
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interrupt-controller: true
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interrupts:
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maxItems: 1
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'#interrupt-cells':
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const: 2
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required:
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- compatible
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- reg
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- interrupt-controller
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- interrupts
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- '#interrupt-cells'
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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lpc: interrupt-controller@10002000 {
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compatible = "loongson,ls7a-lpc";
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reg = <0x10002000 0x400>;
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interrupt-controller;
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#interrupt-cells = <2>;
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interrupt-parent = <&pic>;
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interrupts = <19 IRQ_TYPE_LEVEL_HIGH>;
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};
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...
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