linux/Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml
Yinbo Zhu 8ffba409f4 dt-bindings: clock: add loongson-2 clock
Add the Loongson-2 clock binding with DT schema format using
json-schema.

Signed-off-by: Yinbo Zhu <zhuyinbo@loongson.cn>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221129034157.15036-4-zhuyinbo@loongson.cn
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2023-02-10 15:44:13 -08:00

64 lines
1.4 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/loongson,ls2k-clk.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Loongson-2 SoC Clock Control Module
maintainers:
- Yinbo Zhu <zhuyinbo@loongson.cn>
description: |
Loongson-2 SoC clock control module is an integrated clock controller, which
generates and supplies to all modules.
properties:
compatible:
enum:
- loongson,ls2k-clk
reg:
maxItems: 1
clocks:
items:
- description: 100m ref
clock-names:
items:
- const: ref_100m
'#clock-cells':
const: 1
description:
The clock consumer should specify the desired clock by having the clock
ID in its "clocks" phandle cell. See include/dt-bindings/clock/loongson,ls2k-clk.h
for the full list of Loongson-2 SoC clock IDs.
required:
- compatible
- reg
- clocks
- clock-names
- '#clock-cells'
additionalProperties: false
examples:
- |
ref_100m: clock-ref-100m {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <100000000>;
clock-output-names = "ref_100m";
};
clk: clock-controller@1fe00480 {
compatible = "loongson,ls2k-clk";
reg = <0x1fe00480 0x58>;
#clock-cells = <1>;
clocks = <&ref_100m>;
clock-names = "ref_100m";
};