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

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Date:   Thu, 12 Oct 2023 09:54:03 +0200
From:   Hugues FRUCHET <hugues.fruchet@...s.st.com>
To:     Conor Dooley <conor@...nel.org>
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

Hi Conor,

Will do all in v3, thanks !

On 10/11/23 17:55, Conor Dooley wrote:
> 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
>>

BR,
Hugues.