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Message-ID: <84ab9380-2fb2-76f9-2eb9-71d9202718cc@linaro.org>
Date:   Sat, 5 Aug 2023 21:29:12 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        Stanimir Varbanov <stanimir.k.varbanov@...il.com>,
        Vikash Garodia <quic_vgarodia@...cinc.com>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/6] media: dt-bindings: Document SC8280XP/SM8350 Venus

On 04/08/2023 22:09, Konrad Dybcio wrote:
> Both of these SoCs implement an IRIS2 block, with SC8280XP being able
> to clock it a bit higher.
> 

...

> +
> +  iommus:
> +    maxItems: 1
> +
> +  video-decoder:
> +    type: object
> +
> +    properties:
> +      compatible:
> +        const: venus-decoder

That's not how compatibles are constructed... missing vendor prefix, SoC
or IP block name.

> +
> +    required:
> +      - compatible
> +
> +    additionalProperties: false

Why do you need this child node? Child nodes without properties are
usually useless.

> +
> +  video-encoder:
> +    type: object
> +
> +    properties:
> +      compatible:
> +        const: venus-encoder
> +
> +    required:
> +      - compatible
> +
> +    additionalProperties: false
> +
> +required:
> +  - compatible
> +  - power-domain-names
> +  - iommus
> +  - video-decoder
> +  - video-encoder
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/clock/qcom,gcc-sm8350.h>
> +    #include <dt-bindings/clock/qcom,sm8350-videocc.h>
> +    #include <dt-bindings/interconnect/qcom,sm8350.h>
> +    #include <dt-bindings/power/qcom-rpmpd.h>
> +
> +    venus: video-codec@...0000 {
> +        compatible = "qcom,sm8350-venus";
> +        reg = <0x0aa00000 0x100000>;
> +        interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
> +
> +        clocks = <&gcc GCC_VIDEO_AXI0_CLK>,
> +                 <&videocc VIDEO_CC_MVS0C_CLK>,
> +                 <&videocc VIDEO_CC_MVS0_CLK>;
> +        clock-names = "iface",
> +                      "core",
> +                      "vcodec0_core";
> +
> +        resets = <&gcc GCC_VIDEO_AXI0_CLK_ARES>;
> +        reset-names = "core";
> +
> +        power-domains = <&videocc MVS0C_GDSC>,
> +                        <&videocc MVS0_GDSC>,
> +                        <&rpmhpd SM8350_MX>;
> +        power-domain-names = "venus",
> +                             "vcodec0",
> +                             "mx";
> +
> +        interconnects = <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_VENUS_CFG 0>,
> +                        <&mmss_noc MASTER_VIDEO_P0 0 &mc_virt SLAVE_EBI1 0>,
> +                        <&mmss_noc MASTER_VIDEO_P0 0 &gem_noc SLAVE_LLCC 0>;
> +        interconnect-names = "cpu-cfg",
> +                             "video-mem",
> +                             "video-llcc";
> +
> +        operating-points-v2 = <&venus_opp_table>;
> +        iommus = <&apps_smmu 0x2100 0x400>;
> +        memory-region = <&pil_video_mem>;
> +
> +        status = "disabled";

Drop status.

> +
> +        video-decoder {

Best regards,
Krzysztof

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