linux-kernel - Re: [PATCH 1/4] media: dt-bindings: cedrus: Allow power domain references

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Date:   Thu, 05 Jan 2023 17:18:02 +0100
From:   Jernej Škrabec <jernej.skrabec@...il.com>
To:     Chen-Yu Tsai <wens@...e.org>,
        Paul Kocialkowski <paul.kocialkowski@...tlin.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Samuel Holland <samuel@...lland.org>
Cc:     Samuel Holland <samuel@...lland.org>,
        Albert Ou <aou@...s.berkeley.edu>,
        Conor Dooley <conor@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Maxime Ripard <mripard@...nel.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        linux-riscv@...ts.infradead.org, linux-staging@...ts.linux.dev,
        linux-sunxi@...ts.linux.dev
Subject: Re: [PATCH 1/4] media: dt-bindings: cedrus: Allow power domain references

Dne sobota, 31. december 2022 ob 17:46:24 CET je Samuel Holland napisal(a):
> The Allwinner D1 SoC contains a separate power domain for its video
> engine, controlled via the "PPU" power controller. Allow the
> power-domains property so this can be represented in the devicetree.
> 
> Signed-off-by: Samuel Holland <samuel@...lland.org>
> ---
> 
>  .../bindings/media/allwinner,sun4i-a10-video-engine.yaml       | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git
> a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.
> yaml
> b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.
> yaml index 541325f900a1..d5be7f604e8c 100644
> ---
> a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.
> yaml +++
> b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.
> yaml @@ -63,6 +63,9 @@ properties:
>        CMA pool to use for buffers allocation instead of the default
>        CMA pool.
> 
> +  power-domains:
> +    maxItems: 1

Please add check if it's needed based on compatible. This yaml is one of the 
few for sunxi platform which doesn't have strict checks. Same goes for sram 
property.

Best regards,
Jernej

> +
>  required:
>    - compatible
>    - reg