linux-kernel - Re: [PATCH v2 1/5] dt-bindings: media: Document STM32MP25 VDEC & VENC video codecs

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Message-ID: <20231011-jogger-designing-0eb6e2daacba@spud>
Date:   Wed, 11 Oct 2023 16:55:50 +0100
From:   Conor Dooley <conor@...nel.org>
To:     Hugues Fruchet <hugues.fruchet@...s.st.com>
Cc:     Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Andrzej Pietrasiewicz <andrzej.p@...labora.com>,
        Nicolas Dufresne <nicolas.dufresne@...labora.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>,
        Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
        Daniel Almeida <daniel.almeida@...labora.com>,
        Benjamin Mugnier <benjamin.mugnier@...s.st.com>,
        Heiko Stuebner <heiko@...ech.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hans Verkuil <hverkuil@...all.nl>, linux-media@...r.kernel.org,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        linux-stm32@...md-mailman.stormreply.com,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-rockchip@...ts.infradead.org,
        Marco Felsch <m.felsch@...gutronix.de>,
        Adam Ford <aford173@...il.com>
Subject: Re: [PATCH v2 1/5] dt-bindings: media: Document STM32MP25 VDEC &
 VENC video codecs

Hey,

On Tue, Oct 10, 2023 at 11:16:39AM +0200, Hugues Fruchet wrote:
> Add STM32MP25 VDEC video decoder & VENC video encoder bindings.
> 
> Signed-off-by: Hugues Fruchet <hugues.fruchet@...s.st.com>
> ---
>  .../media/st,stm32mp25-video-codec.yaml       | 58 +++++++++++++++++++
>  1 file changed, 58 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/st,stm32mp25-video-codec.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/st,stm32mp25-video-codec.yaml b/Documentation/devicetree/bindings/media/st,stm32mp25-video-codec.yaml
> new file mode 100644
> index 000000000000..479566171568
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/st,stm32mp25-video-codec.yaml
> @@ -0,0 +1,58 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/st,stm32mp25-video-codec.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: STMicroelectronics STM32MP25 VDEC video decoder & VENC video encoder
> +
> +maintainers:
> +  - Hugues Fruchet <hugues.fruchet@...s.st.com>
> +
> +description:
> +  The STMicroelectronics STM32MP25 SOCs embeds a VDEC video hardware
> +  decoder peripheral based on Verisilicon VC8000NanoD IP (former Hantro G1)
> +  and a VENC video hardware encoder peripheral based on Verisilicon
> +  VC8000NanoE IP (former Hantro H1).
> +
> +properties:
> +  compatible:
> +    items:

This "items:" is not needed, the enum on its own is enough.

> +      - enum:
> +          - st,stm32mp25-vdec
> +          - st,stm32mp25-venc
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - clocks
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    vdec: video-codec@...d0000 {

The node labels for both nodes here are not used & should be dropped.

Otherwise, this seems fine to me.

Cheers,
Conor.

> +        compatible = "st,stm32mp25-vdec";
> +        reg = <0x580d0000 0x3c8>;
> +        interrupts = <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>;
> +        clocks = <&ck_icn_p_vdec>;
> +    };
> +  - |
> +    venc: video-codec@...e0000 {
> +        compatible = "st,stm32mp25-venc";
> +        reg = <0x580e0000 0x800>;
> +        interrupts = <GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>;
> +        clocks = <&ck_icn_p_venc>;
> +    };
> -- 
> 2.25.1
> 

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