Re: [PATCH v3 11/15] dt-bindings: clock: Cleanup qcom,videocc bindings for sdm845/sc7180

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On Thu, Jan 30, 2020 at 3:13 PM Douglas Anderson <dianders@xxxxxxxxxxxx> wrote:
>
> This makes the qcom,videocc bindings match the recent changes to the
> dispcc and gpucc.
>
> 1. Switched to using "bi_tcxo" instead of "xo".
>
> 2. Adds a description for the XO clock.  Not terribly important but
>    nice if it cleanly matches its cousins.
>
> 3. Updates the example to use the symbolic name for the RPMH clock and
>    also show that the real devices are currently using 2 address cells
>    / size cells and fixes the spacing on the closing brace.
>
> 4. Split into 2 files.  In this case they could probably share one
>    file, but let's be consistent.
>
> Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> ---
>
> Changes in v3:
> - Added include file to description.
> - Split videocc bindings into 2 files.
> - Unlike in v2, use internal name instead of purist name.
>
> Changes in v2:
> - Patch ("dt-bindings: clock: Cleanup qcom,videocc") new for v2.
>
>  .../bindings/clock/qcom,sc7180-videocc.yaml   | 63 +++++++++++++++++++
>  ...,videocc.yaml => qcom,sdm845-videocc.yaml} | 27 ++++----
>  2 files changed, 77 insertions(+), 13 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/clock/qcom,sc7180-videocc.yaml
>  rename Documentation/devicetree/bindings/clock/{qcom,videocc.yaml => qcom,sdm845-videocc.yaml} (60%)
>
> diff --git a/Documentation/devicetree/bindings/clock/qcom,sc7180-videocc.yaml b/Documentation/devicetree/bindings/clock/qcom,sc7180-videocc.yaml
> new file mode 100644
> index 000000000000..f12ec56737e8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/qcom,sc7180-videocc.yaml
> @@ -0,0 +1,63 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/bindings/clock/qcom,sc7180-videocc.yaml#

'bindings/' should be removed here. I just found my check on this was
inadequate. The clock bindings seem to have the most copy-n-paste of
this.

Otherwise,

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>

> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Video Clock & Reset Controller Binding for SC7180
> +
> +maintainers:
> +  - Taniya Das <tdas@xxxxxxxxxxxxxx>
> +
> +description: |
> +  Qualcomm video clock control module which supports the clocks, resets and
> +  power domains on SC7180.
> +
> +  See also dt-bindings/clock/qcom,videocc-sc7180.h.
> +
> +properties:
> +  compatible:
> +    const: qcom,sc7180-videocc
> +
> +  clocks:
> +    items:
> +      - description: Board XO source
> +
> +  clock-names:
> +    items:
> +      - const: bi_tcxo
> +
> +  '#clock-cells':
> +    const: 1
> +
> +  '#reset-cells':
> +    const: 1
> +
> +  '#power-domain-cells':
> +    const: 1
> +
> +  reg:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +  - '#clock-cells'
> +  - '#reset-cells'
> +  - '#power-domain-cells'
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/qcom,rpmh.h>
> +    clock-controller@ab00000 {
> +      compatible = "qcom,sc7180-videocc";
> +      reg = <0 0x0ab00000 0 0x10000>;
> +      clocks = <&rpmhcc RPMH_CXO_CLK>;
> +      clock-names = "bi_tcxo";
> +      #clock-cells = <1>;
> +      #reset-cells = <1>;
> +      #power-domain-cells = <1>;
> +    };
> +...
> diff --git a/Documentation/devicetree/bindings/clock/qcom,videocc.yaml b/Documentation/devicetree/bindings/clock/qcom,sdm845-videocc.yaml
> similarity index 60%
> rename from Documentation/devicetree/bindings/clock/qcom,videocc.yaml
> rename to Documentation/devicetree/bindings/clock/qcom,sdm845-videocc.yaml
> index 43cfc893a8d1..60300f5ab307 100644
> --- a/Documentation/devicetree/bindings/clock/qcom,videocc.yaml
> +++ b/Documentation/devicetree/bindings/clock/qcom,sdm845-videocc.yaml
> @@ -1,30 +1,31 @@
>  # SPDX-License-Identifier: GPL-2.0-only
>  %YAML 1.2
>  ---
> -$id: http://devicetree.org/schemas/bindings/clock/qcom,videocc.yaml#
> +$id: http://devicetree.org/schemas/bindings/clock/qcom,sdm845-videocc.yaml#
>  $schema: http://devicetree.org/meta-schemas/core.yaml#
>
> -title: Qualcomm Video Clock & Reset Controller Binding
> +title: Qualcomm Video Clock & Reset Controller Binding for SDM845
>
>  maintainers:
>    - Taniya Das <tdas@xxxxxxxxxxxxxx>
>
>  description: |
>    Qualcomm video clock control module which supports the clocks, resets and
> -  power domains.
> +  power domains on SDM845.
> +
> +  See also dt-bindings/clock/qcom,videocc-sdm845.h.
>
>  properties:
>    compatible:
> -    enum:
> -      - qcom,sc7180-videocc
> -      - qcom,sdm845-videocc
> +    const: qcom,sdm845-videocc
>
>    clocks:
> -    maxItems: 1
> +    items:
> +      - description: Board XO source
>
>    clock-names:
>      items:
> -      - const: xo
> +      - const: bi_tcxo
>
>    '#clock-cells':
>      const: 1
> @@ -48,15 +49,15 @@ required:
>    - '#power-domain-cells'
>
>  examples:
> -  # Example of VIDEOCC with clock node properties for SDM845:
>    - |
> +    #include <dt-bindings/clock/qcom,rpmh.h>
>      clock-controller@ab00000 {
>        compatible = "qcom,sdm845-videocc";
> -      reg = <0xab00000 0x10000>;
> -      clocks = <&rpmhcc 0>;
> -      clock-names = "xo";
> +      reg = <0 0x0ab00000 0 0x10000>;
> +      clocks = <&rpmhcc RPMH_CXO_CLK>;
> +      clock-names = "bi_tcxo";
>        #clock-cells = <1>;
>        #reset-cells = <1>;
>        #power-domain-cells = <1>;
> -     };
> +    };
>  ...
> --
> 2.25.0.341.g760bfbb309-goog
>



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