[PATCH v6 1/3] dt-bindings: media: stm32-dcmi: Add DCMI min frequency property

Benjamin GAIGNARD benjamin.gaignard at st.com
Tue Jun 23 07:48:28 EDT 2020



On 6/10/20 2:24 PM, Benjamin Gaignard wrote:
> Document st,stm32-dcmi-min-frequency property which is used to
> request CPUs minimum frequency when streaming frames.
Gentle for reviewers on this bindings.

Thanks,
Benjamin
>
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard at st.com>
> ---
>   Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml | 8 ++++++++
>   1 file changed, 8 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml b/Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml
> index 3fe778cb5cc3..05ca85a2411a 100644
> --- a/Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml
> +++ b/Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml
> @@ -44,6 +44,13 @@ properties:
>         bindings defined in
>         Documentation/devicetree/bindings/media/video-interfaces.txt.
>   
> +  st,stm32-dcmi-min-frequency:
> +    description: DCMI minimum CPUs frequency requirement (in KHz).
> +    allOf:
> +      - $ref: /schemas/types.yaml#/definitions/uint32
> +      - minimum: 0
> +      - default: 0
> +
>   required:
>     - compatible
>     - reg
> @@ -71,6 +78,7 @@ examples:
>           clock-names = "mclk";
>           dmas = <&dmamux1 75 0x400 0x0d>;
>           dma-names = "tx";
> +        st,stm32-dcmi-min-frequency = <650000>;
>   
>           port {
>                dcmi_0: endpoint {


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