linux-kernel - Re: [PATCH] dt-bindings: samsung: exynos-usi: Restrict possible samsung,mode values

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Message-ID: <CAPLW+4ncvOxj7nmypsw-+Tvj_gk5AHoWVeE9YKL=W=8y_MTjUg@mail.gmail.com>
Date: Fri, 3 Jan 2025 08:56:03 -0600
From: Sam Protsenko <semen.protsenko@...aro.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, Alim Akhtar <alim.akhtar@...sung.com>, 
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Ivaylo Ivanov <ivo.ivanov.ivanov1@...il.com>
Subject: Re: [PATCH] dt-bindings: samsung: exynos-usi: Restrict possible
 samsung,mode values

On Fri, Jan 3, 2025 at 2:25 AM Krzysztof Kozlowski
<krzysztof.kozlowski@...aro.org> wrote:
>
> "samsung,mode" property defines the desired mode of the serial engine
> (e.g. I2C or SPI) and only few values are allowed/used by Linux driver.
>
> Cc: Ivaylo Ivanov <ivo.ivanov.ivanov1@...il.com>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---

Reviewed-by: Sam Protsenko <semen.protsenko@...aro.org>

>  Documentation/devicetree/bindings/soc/samsung/exynos-usi.yaml | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/Documentation/devicetree/bindings/soc/samsung/exynos-usi.yaml b/Documentation/devicetree/bindings/soc/samsung/exynos-usi.yaml
> index f80fcbc3128b..5b046932fbc3 100644
> --- a/Documentation/devicetree/bindings/soc/samsung/exynos-usi.yaml
> +++ b/Documentation/devicetree/bindings/soc/samsung/exynos-usi.yaml
> @@ -64,6 +64,7 @@ properties:
>
>    samsung,mode:
>      $ref: /schemas/types.yaml#/definitions/uint32
> +    enum: [0, 1, 2, 3]
>      description:
>        Selects USI function (which serial protocol to use). Refer to
>        <include/dt-bindings/soc/samsung,exynos-usi.h> for valid USI mode values.
> --
> 2.43.0
>