Files
Melody Olvera 6f18ce8026 dt-bindings: Add devicetree bindings
Add snapshot of device tree bindings from keystone common kernel, branch
"android-mainline-keystone-qcom-release" at c4c12103f9c0 ("Snap for 9228065
from e32903b9a63bb558df8b803b076619c53c16baad to
android-mainline-keystone-qcom-release").

Change-Id: I7682079615cbd9f29340a5c1f2a1d84ec441a1f1
Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>
2023-04-03 15:40:37 -07:00

63 lines
1.4 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: "http://devicetree.org/schemas/interrupt-controller/loongson,pch-msi.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: Loongson PCH MSI 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 PCIe MSI into HyperTransport vectorized
interrupts.
properties:
compatible:
const: loongson,pch-msi-1.0
reg:
maxItems: 1
loongson,msi-base-vec:
description:
u32 value of the base of parent HyperTransport vector allocated
to PCH MSI.
$ref: "/schemas/types.yaml#/definitions/uint32"
minimum: 0
maximum: 255
loongson,msi-num-vecs:
description:
u32 value of the number of parent HyperTransport vectors allocated
to PCH MSI.
$ref: "/schemas/types.yaml#/definitions/uint32"
minimum: 1
maximum: 256
msi-controller: true
required:
- compatible
- reg
- msi-controller
- loongson,msi-base-vec
- loongson,msi-num-vecs
additionalProperties: true #fixme
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
msi: msi-controller@2ff00000 {
compatible = "loongson,pch-msi-1.0";
reg = <0x2ff00000 0x4>;
msi-controller;
loongson,msi-base-vec = <64>;
loongson,msi-num-vecs = <64>;
interrupt-parent = <&htvec>;
};
...