linux-kernel - Re: [PATCH V3 1/4] arm64: dts: sc7180: Add Venus video codec DT node

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Date:   Tue, 7 Jan 2020 15:52:45 +0200
From:   Stanimir Varbanov <stanimir.varbanov@...aro.org>
To:     Dikshita Agarwal <dikshita@...eaurora.org>,
        linux-media@...r.kernel.org, stanimir.varbanov@...aro.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, vgarodia@...eaurora.org
Subject: Re: [PATCH V3 1/4] arm64: dts: sc7180: Add Venus video codec DT node

Hi,

On 1/2/20 3:24 PM, Dikshita Agarwal wrote:
> This adds Venus video codec DT node for sc7180.
> 
> Signed-off-by: Dikshita Agarwal <dikshita@...eaurora.org>
> ---
>  arch/arm64/boot/dts/qcom/sc7180.dtsi | 36 ++++++++++++++++++++++++++++++++++++
>  1 file changed, 36 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> index 3676bfd..fa849de 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> @@ -10,6 +10,7 @@
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
>  #include <dt-bindings/phy/phy-qcom-qusb2.h>
>  #include <dt-bindings/soc/qcom,rpmh-rsc.h>
> +#include <dt-bindings/clock/qcom,videocc-sc7180.h>
>  
>  / {
>  	interrupt-parent = <&intc>;
> @@ -66,6 +67,11 @@
>  			compatible = "qcom,cmd-db";
>  			no-map;
>  		};
> +
> +		venus_mem: memory@...00000 {
> +			reg = <0 0x8f600000 0 0x500000>;
> +			no-map;
> +		};
>  	};
>  
>  	cpus {
> @@ -1043,6 +1049,36 @@
>  			};
>  		};
>  
> +		venus: video-codec@...0000 {
> +			compatible = "qcom,sc7180-venus";
> +			reg = <0 0x0aa00000 0 0xff000>;
> +			interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
> +			power-domains = <&videocc VENUS_GDSC>,
> +					<&videocc VCODEC0_GDSC>;
> +			power-domain-names = "venus", "vcodec0";
> +			clocks = <&videocc VIDEO_CC_VENUS_CTL_CORE_CLK>,
> +				 <&videocc VIDEO_CC_VENUS_AHB_CLK>,
> +				 <&videocc VIDEO_CC_VENUS_CTL_AXI_CLK>,
> +				 <&videocc VIDEO_CC_VCODEC0_CORE_CLK>,
> +				 <&videocc VIDEO_CC_VCODEC0_AXI_CLK>;
> +			clock-names = "core", "iface", "bus",
> +				"vcodec0_core", "vcodec0_bus";

Please, align this as you made it for clocks.

> +			iommus = <&apps_smmu 0x0c00 0x60>;
> +			memory-region = <&venus_mem>;
> +
> +			interconnects = <&mmss_noc MASTER_VIDEO_P0 &mc_virt SLAVE_EBI1>,
> +					<&gem_noc MASTER_APPSS_PROC &config_noc SLAVE_VENUS_CFG>;
> +			interconnect-names = "video-mem", "cpu-cfg";
> +
> +			video-core0 {

The subnode name isn't correct because we have only one core. Could you
rename it to video-decoder.

> +				compatible = "venus-decoder";
> +			};
> +
> +			video-core1 {

rename to video-encoder

> +				compatible = "venus-encoder";
> +			};
> +		};
> +
>  		pdc: interrupt-controller@...0000 {
>  			compatible = "qcom,sc7180-pdc", "qcom,pdc";
>  			reg = <0 0x0b220000 0 0x30000>;
> 

-- 
regards,
Stan