Re: [PATCH 2/5] dt-bindings: clock: update qcom,a53pll bindings for MSM8939 support

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On Tue, May 04, 2021 at 01:28:41PM +0800, Shawn Guo wrote:
> Update qcom,a53pll bindings for MSM8939 support:
> 
>  - Add optional clock-output-names property.
>  - Add MSM8939 specific compatibles.
>  - Add MSM8939 examples.
> 
> Signed-off-by: Shawn Guo <shawn.guo@xxxxxxxxxx>
> ---
>  .../bindings/clock/qcom,a53pll.yaml           | 34 +++++++++++++++++++
>  1 file changed, 34 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/clock/qcom,a53pll.yaml b/Documentation/devicetree/bindings/clock/qcom,a53pll.yaml
> index db3d0ea6bc7a..7a410a76be2f 100644
> --- a/Documentation/devicetree/bindings/clock/qcom,a53pll.yaml
> +++ b/Documentation/devicetree/bindings/clock/qcom,a53pll.yaml
> @@ -18,6 +18,9 @@ properties:
>      enum:
>        - qcom,ipq6018-a53pll
>        - qcom,msm8916-a53pll
> +      - qcom,msm8939-a53pll-c0
> +      - qcom,msm8939-a53pll-c1
> +      - qcom,msm8939-a53pll-cci

These 3 have differences?

>  
>    reg:
>      maxItems: 1
> @@ -33,6 +36,9 @@ properties:
>      items:
>        - const: xo
>  
> +  clock-output-names:
> +    maxItems: 1
> +
>  required:
>    - compatible
>    - reg
> @@ -57,3 +63,31 @@ examples:
>          clocks = <&xo>;
>          clock-names = "xo";
>      };
> +  #Example 3 - A53 PLLs found on MSM8939 devices
> +  - |
> +    a53pll_c1: clock-controller@b016000 {
> +        compatible = "qcom,msm8939-a53pll-c1";
> +        reg = <0xb016000 0x40>;
> +        #clock-cells = <0>;
> +        clocks = <&xo_board>;
> +        clock-names = "xo";
> +        clock-output-names = "a53pll_c1";
> +    };
> +
> +    a53pll_c0: clock-controller@b116000 {
> +        compatible = "qcom,msm8939-a53pll-c0";
> +        reg = <0xb116000 0x40>;
> +        #clock-cells = <0>;
> +        clocks = <&xo_board>;
> +        clock-names = "xo";
> +        clock-output-names = "a53pll_c0";
> +    };
> +
> +    a53pll_cci: clock-controller@b1d0000 {
> +        compatible = "qcom,msm8939-a53pll-cci";
> +        reg = <0xb1d0000 0x40>;
> +        #clock-cells = <0>;
> +        clocks = <&xo_board>;
> +        clock-names = "xo";
> +        clock-output-names = "a53pll_cci";
> +    };

Do these examples really add anything?



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