Re: [PATCH 1/5] dt-bindings: clock: fix wrong clock documentation for qcom,rpmcc

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On 05/07/2022 22:28, Christian Marangi wrote:
> qcom,rpmcc describe 2 different kind of device.
> Currently we have definition for rpm-smd based device but we lack
> Documentation for simple rpm based device.
> 
> Add the missing clk for ipq806x, apq8060, msm8660 and apq8064 and
> provide and additional example.
> 
> Signed-off-by: Christian Marangi <ansuelsmth@xxxxxxxxx>
> ---
>  .../devicetree/bindings/clock/qcom,rpmcc.yaml | 77 ++++++++++++++++++-
>  1 file changed, 73 insertions(+), 4 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/clock/qcom,rpmcc.yaml b/Documentation/devicetree/bindings/clock/qcom,rpmcc.yaml
> index 9d296b89a8d0..028eb0277495 100644
> --- a/Documentation/devicetree/bindings/clock/qcom,rpmcc.yaml
> +++ b/Documentation/devicetree/bindings/clock/qcom,rpmcc.yaml
> @@ -48,16 +48,65 @@ properties:
>    '#clock-cells':
>      const: 1
>  
> -  clocks:
> -    maxItems: 1
> +  clocks: true
>  
> -  clock-names:
> -    const: xo
> +  clock-names: true

That's not correct way to describe these. Check other files, we've
already talked about this. You need min and maxItems here.

>  
>  required:
>    - compatible
>    - '#clock-cells'
>  
> +if:

allOf

> +  properties:
> +    compatible:
> +      contains:
> +        enum:
> +          - qcom,rpmcc-apq8060
> +          - qcom,rpmcc-ipq806x
> +          - qcom,rpmcc-msm8660
> +
> +then:
> +  properties:
> +    clocks:
> +      description: pxo clock
> +
> +    clock-names:
> +      const: pxo
> +
> +  required:
> +    - clocks
> +    - clock-names
> +
> +else:
> +  if:

No nested ifs.

> +    properties:
> +      compatible:
> +        contains:
> +          const: qcom,rpmcc-apq8064
> +  then:
> +    properties:
> +      clocks:
> +        items:
> +          - description: pxo clock
> +          - description: cxo clock
> +
> +      clock-names:
> +        items:
> +          - const: pxo
> +          - const: cxo
> +
> +    required:
> +      - clocks
> +      - clock-names
> +
> +  else:
> +    properties:
> +      clocks:
> +        description: xo clock
> +
> +      clock-names:
> +        const: xo
> +
>  additionalProperties: false
>  
>  examples:
> @@ -73,3 +122,23 @@ examples:
>              };
>          };
>      };
> +
> +  - |
> +    rpm {
> +        clock-controller {
> +            compatible = "qcom,rpmcc-ipq806x", "qcom,rpmcc";
> +            #clock-cells = <1>;
> +            clocks = <&pxo_board>;
> +            clock-names = "pxo";
> +        };
> +    };
> +
> +  - |
> +    rpm {
> +        clock-controller {
> +            compatible = "qcom,rpmcc-apq8064", "qcom,rpmcc";
> +            #clock-cells = <1>;
> +            clocks = <&pxo_board>, <&cxo_board>;
> +            clock-names = "pxo", "cxo";
> +        };

These are the same. Provide examples only for blocks which are
significantly different.


Best regards,
Krzysztof



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