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

[Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>]

On 02/11/2022 09:06, 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@samsung.com> 
> Signed-off-by: Aakarsh Jain <aakarsh.jain@samsung.com>
> ---
>  Documentation/devicetree/bindings/media/s5p-mfc.txt | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)

Use subject prefixes matching the subsystem (git log --oneline -- ...).

> 
> 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@samsung.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

This should be followed by mfc-v7 fallback.

> +	(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.

Best regards,
Krzysztof