Re: [PATCH v2 3/9] dt-bindings: pwm: Update DT binding docs to support SiFive FU740 SoC

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On Tue, Dec 08, 2020 at 10:25:35AM +0530, Yash Shah wrote:
> Add new compatible strings to the DT binding documents to support SiFive
> FU740-C000.
> 
> Signed-off-by: Yash Shah <yash.shah@xxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/pwm/pwm-sifive.yaml | 9 ++++++---
>  1 file changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/pwm/pwm-sifive.yaml b/Documentation/devicetree/bindings/pwm/pwm-sifive.yaml
> index 5ac2527..84e6691 100644
> --- a/Documentation/devicetree/bindings/pwm/pwm-sifive.yaml
> +++ b/Documentation/devicetree/bindings/pwm/pwm-sifive.yaml
> @@ -25,12 +25,15 @@ description:
>  properties:
>    compatible:
>      items:
> -      - const: sifive,fu540-c000-pwm
> +      - enum:
> +          - sifive,fu540-c000-pwm
> +          - sifive,fu740-c000-pwm
>        - const: sifive,pwm0
>      description:
>        Should be "sifive,<chip>-pwm" and "sifive,pwm<version>". Supported
> -      compatible strings are "sifive,fu540-c000-pwm" for the SiFive PWM v0
> -      as integrated onto the SiFive FU540 chip, and "sifive,pwm0" for the
> +      compatible strings are "sifive,fu540-c000-pwm" and
> +      "sifive,fu740-c000-pwm" for the SiFive PWM v0 as integrated onto the
> +      SiFive FU540 and FU740 chip respectively, and "sifive,pwm0" for the

Better if you reword this so we don't have to update it for every new 
compatible.

>        SiFive PWM v0 IP block with no chip integration tweaks.
>        Please refer to sifive-blocks-ip-versioning.txt for details.
>  
> -- 
> 2.7.4
> 



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