linux-kernel - Re: [PATCH v8 2/3] dt-bindings: mfd: Add compatible string for UART support

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Date:   Thu, 1 Dec 2022 13:42:02 -0600
From:   Rob Herring <robh@...nel.org>
To:     Mark Hasemeyer <markhas@...omium.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Raul Rangel <rrangel@...omium.org>,
        Bhanu Prakash Maiya <bhanumaiya@...omium.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Benson Leung <bleung@...omium.org>,
        Guenter Roeck <groeck@...omium.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Lee Jones <lee@...nel.org>, chrome-platform@...ts.linux.dev,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v8 2/3] dt-bindings: mfd: Add compatible string for UART
 support

On Wed, Nov 30, 2022 at 01:12:55PM -0700, Mark Hasemeyer wrote:
> Add a compatible string to support the UART implementation of the cros
> ec interface.
> 
> Signed-off-by: Bhanu Prakash Maiya <bhanumaiya@...omium.org>
> Signed-off-by: Mark Hasemeyer <markhas@...omium.org>
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
> 
> Changes in v8:
> - Update commit message
> 
> Changes in v7:
> - No change
> 
> Changes in v6:
> - No change
> 
> Changes in v5:
> - No change
> 
> Changes in v4:
> - Changes in commit message.
> 
> Changes in v3:
> - Rebased changes on google,cros-ec.yaml
> 
> Changes in v2:
> - No change
> 
> ---
>  .../devicetree/bindings/mfd/google,cros-ec.yaml       | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml
> index 04962bb29576e..26787e4574b8d 100644
> --- a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml
> +++ b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml
> @@ -28,6 +28,9 @@ properties:
>        - description:
>            For implementations of the EC is connected through RPMSG.
>          const: google,cros-ec-rpmsg
> +      - description:
> +          For implementations of the EC is connected through UART.
> +        const: google,cros-ec-uart
>  
>    controller-data:
>      description:
> @@ -222,4 +225,12 @@ examples:
>              compatible = "google,cros-ec-rpmsg";
>          };
>      };
> +
> +  # Example for UART
> +  - |
> +    uart0 {

serial {

> +        cros-ec {
> +            compatible = "google,cros-ec-uart";
> +        };
> +    };
>  ...
> -- 
> 2.38.1.584.g0f3c55d4c2-goog
> 
>