linux-kernel - Re: [PATCH v2 1/2] dt-bindings: mfd: syscon: Add tesla compatibles found on FSD SoC

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Message-ID: <13a33962-ac55-e3f1-933a-a9addf9bc10d@linaro.org>
Date:   Fri, 25 Nov 2022 12:29:44 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Sriranjani P <sriranjani.p@...sung.com>, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, lee@...nel.org,
        devicetree@...r.kernel.org, alim.akhtar@...sung.com,
        pankaj.dubey@...sung.com, ravi.patel@...sung.com,
        Sam Protsenko <semen.protsenko@...aro.org>,
        Chanho Park <chanho61.park@...sung.com>
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2] dt-bindings: mfd: syscon: Add tesla compatibles
 found on FSD SoC

On 25/11/2022 08:06, Sriranjani P wrote:
> Add compatible for Tesla SYSREG controllers found on FSD SoC.
> 
> Signed-off-by: Sriranjani P <sriranjani.p@...sung.com>
> ---

Thank you for your patch. There is something to discuss/improve.

>  Documentation/devicetree/bindings/mfd/syscon.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml b/Documentation/devicetree/bindings/mfd/syscon.yaml
> index 4e4baf53796d..8c3334999bec 100644
> --- a/Documentation/devicetree/bindings/mfd/syscon.yaml
> +++ b/Documentation/devicetree/bindings/mfd/syscon.yaml
> @@ -69,6 +69,7 @@ properties:
>                - samsung,exynos5433-sysreg
>                - samsung,exynos850-sysreg
>                - samsung,exynosautov9-sysreg
> +              - tesla,fsd-sysreg

I think we made mistake starting from 5433. Before (Exynos3/4/5) there
was only one block called actually SYSREG. For example on Exynos5433 we
have SYSREG_DISP, SYSREG_CAM1 and so on. These are different so we
should have dedicated compatibles. The same for Tesla - please provide
dedicated compatibles per each block.

I'll fix Exynos5433. Maybe someone can also fix Exynos850 and Autov9.

Best regards,
Krzysztof