linux-loongson/Documentation/devicetree/bindings/interrupt-controller/chrp,open-pic.yaml
Rob Herring (Arm) a241f1a1b3 dt-bindings: interrupt-controller: Convert chrp,open-pic to DT schema
Convert the Open PIC interrupt controller binding to schema format.

While the Linux kernel supports the "open-pic" compatible, that's not
used in any upstream .dts file. It used for "device_type" though. Add
"fsl,mpic" compatible which was not documented.

Link: https://lore.kernel.org/r/20250505144809.1291619-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-05-13 16:20:04 -05:00

64 lines
1.3 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/interrupt-controller/chrp,open-pic.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Open PIC Interrupt Controller
maintainers:
- Rob Herring <robh@kernel.org>
description:
This binding specifies what properties must be available in the device tree
representation of an Open PIC compliant interrupt controller. This binding is
based on the binding defined for Open PIC in [1] and is a superset of that
binding.
properties:
compatible:
oneOf:
- items:
- const: fsl,mpic
- const: chrp,open-pic
- const: chrp,open-pic
device_type:
const: open-pci
deprecated: true
reg:
maxItems: 1
interrupt-controller: true
'#address-cells':
const: 0
'#interrupt-cells':
const: 2
pic-no-reset:
description: Indicates the PIC shall not be reset during runtime initialization.
type: boolean
required:
- compatible
- reg
- interrupt-controller
- '#address-cells'
- '#interrupt-cells'
additionalProperties: false
examples:
- |
interrupt-controller@40000 {
compatible = "chrp,open-pic";
reg = <0x40000 0x40000>;
interrupt-controller;
#address-cells = <0>;
#interrupt-cells = <2>;
pic-no-reset;
};