Re: [PATCH v2 3/3] dt-bindings: clock: add loongson2 clock binding

From: Krzysztof Kozlowski
Date: Wed Oct 19 2022 - 08:50:04 EST


On 19/10/2022 02:29, Yinbo Zhu wrote:
> Add the loongson2 clock binding with DT schema format using
> json-schema.
>
> Signed-off-by: Yinbo Zhu <zhuyinbo@xxxxxxxxxxx>

Drop redundant (last) binding from the title.


> ---
> Change in v2:
> 1. Drop "Binding" string in the title.
> 2. Drop entire allOf and move the contents to top level.
> 3. Change string "refclk_100m" to "ref_100m".
>
> .../bindings/clock/loongson,ls2k-clk.yaml | 64 +++++++++++++++++++
> MAINTAINERS | 1 +
> 2 files changed, 65 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml
>
> diff --git a/Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml b/Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml
> new file mode 100644
> index 000000000000..104e38a618e2
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml
> @@ -0,0 +1,64 @@
> +# 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: Loongson2 SoC Clock Control Module
> +
> +maintainers:
> + - Yinbo Zhu <zhuyinbo@xxxxxxxxxxx>
> +
> +description: |
> + Loongson2 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 loongson2 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";
> + };
> +
> + - |

Drop this. This splits examples into two separate ones, but you have
here only one example.

> + clk: clock-controller@1fe00480 {
> + compatible = "loongson,ls2k-clk";
> + reg = <0x1fe00480 0x58>;
> + #clock-cells = <1>;
> + clocks = <&ref_100m>;
> + clock-names = "ref_100m";
> + };

Best regards,
Krzysztof