linux-kernel - Re: [PATCH 1/3] arm64: exynos: Add new compatible string for Exynos3250 SoC.

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Date:   Thu, 3 Nov 2022 11:41:21 +0100
From:   Tommaso Merciai <tommaso.merciai@...rulasolutions.com>
To:     Aakarsh Jain <aakarsh.jain@...sung.com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        m.szyprowski@...sung.com, andrzej.hajda@...el.com,
        mchehab@...nel.org, hverkuil-cisco@...all.nl,
        ezequiel@...guardiasur.com.ar, jernej.skrabec@...il.com,
        benjamin.gaignard@...labora.com, krzysztof.kozlowski+dt@...aro.org,
        stanimir.varbanov@...aro.org, dillon.minfei@...il.com,
        david.plowman@...pberrypi.com, mark.rutland@....com,
        robh+dt@...nel.org, krzk+dt@...nel.org, andi@...zian.org,
        alim.akhtar@...sung.com, aswani.reddy@...sung.com,
        pankaj.dubey@...sung.com, smitha.t@...sung.com
Subject: Re: [PATCH 1/3] arm64: exynos: Add new compatible string for
 Exynos3250 SoC.

Hi Aakarsh,

On Wed, Nov 02, 2022 at 06:36:00PM +0530, Aakarsh Jain wrote:
> Exynos3250 uses the same compatible as Exynos5420, but both
> the MFC IPs found in these SoC are different interms of clock
> property. So using same compatible for both SoC is not correct.
> Lets have a separate compatible for Exynos3250 and Exynos5420
> to differentiate these SoCs.
> 
> Suggested-by: Alim Akhtar <alim.akhtar@...sung.com> 
> Signed-off-by: Aakarsh Jain <aakarsh.jain@...sung.com>
> ---
>  Documentation/devicetree/bindings/media/s5p-mfc.txt | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> We are already in process of converting this txt file to yaml.
> https://patchwork.kernel.org/project/linux-media/patch/
> 20221011122516.32135-2-aakarsh.jain@...sung.com/
> modifying this txt binding for completeness.
> 
> diff --git a/Documentation/devicetree/bindings/media/s5p-mfc.txt b/Documentation/devicetree/bindings/media/s5p-mfc.txt
> index aa54c8159d9f..4ff1898e5a51 100644
> --- a/Documentation/devicetree/bindings/media/s5p-mfc.txt
> +++ b/Documentation/devicetree/bindings/media/s5p-mfc.txt
> @@ -11,9 +11,10 @@ Required properties:
>  	(a) "samsung,mfc-v5" for MFC v5 present in Exynos4 SoCs
>  	(b) "samsung,mfc-v6" for MFC v6 present in Exynos5 SoCs
>  	(c) "samsung,mfc-v7" for MFC v7 present in Exynos5420 SoC
> -	(d) "samsung,mfc-v8" for MFC v8 present in Exynos5800 SoC
> -	(e) "samsung,exynos5433-mfc" for MFC v8 present in Exynos5433 SoC
> -	(f) "samsung,mfc-v10" for MFC v10 present in Exynos7880 SoC
> +	(d) "samsung,exynos3250-mfc" for MFC v7 present in Exynos3250 SoC
> +	(e) "samsung,mfc-v8" for MFC v8 present in Exynos5800 SoC
> +	(f) "samsung,exynos5433-mfc" for MFC v8 present in Exynos5433 SoC
> +	(g) "samsung,mfc-v10" for MFC v10 present in Exynos7880 SoC
>  
>    - reg : Physical base address of the IP registers and length of memory
>  	  mapped region.
> -- 
> 2.17.1
> 

Looks good to me.

Reviewed-by: Tommaso Merciai <tommaso.merciai@...rulasolutions.com>

Regards,
Tommaso

-- 
Tommaso Merciai
Embedded Linux Engineer
tommaso.merciai@...rulasolutions.com
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