Re: [PATCH v5 4/4] arm64: dts: mt8192: Add vcodec lat and core nodes

[Matthias Brugger <matthias.bgg@gmail.com>]

On 30/03/2022 15:38, Allen-KH Cheng wrote:
> Add vcodec lat and core nodes for mt8192 SoC.
> 
> Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

Please drop reviewed-by as of comments below.

> ---
>   arch/arm64/boot/dts/mediatek/mt8192.dtsi | 60 ++++++++++++++++++++++++
>   1 file changed, 60 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt8192.dtsi b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> index 3d61238fb102..0b2b52a8f5ed 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> @@ -1115,6 +1115,66 @@
>   			power-domains = <&spm MT8192_POWER_DOMAIN_ISP2>;
>   		};
>   
> +		vcodec_dec: vcodec-dec@16000000 {
> +			compatible = "mediatek,mt8192-vcodec-dec";
> +			reg = <0 0x16000000 0 0x1000>;	/* VDEC_SYS */
> +			mediatek,scp = <&scp>;
> +			iommus = <&iommu0 M4U_PORT_L4_VDEC_MC_EXT>;
> +			dma-ranges = <0x1 0x0 0x0 0x40000000 0x0 0xfff00000>;

Change that was not part of the changelog. Please mention any change you make to 
the patch in the change log.

> +			#address-cells = <2>;
> +			#size-cells = <2>;

Binding description says address-cells and size-cells should be of value 1.


> +			ranges = <0 0 0 0x16000000 0 0x26000>;
> +
> +			vcodec_lat: vcodec-lat@10000 {
> +				compatible = "mediatek,mtk-vcodec-lat";
> +				reg = <0x0 0x10000 0 0x800>;		/* VDEC_MISC */

I suppose we would need to fix the reg value here then. Also IMHO the comment 
can be deleted.

> +				interrupts = <GIC_SPI 426 IRQ_TYPE_LEVEL_HIGH 0>;
> +				iommus = <&iommu0 M4U_PORT_L5_VDEC_LAT0_VLD_EXT>,
> +					 <&iommu0 M4U_PORT_L5_VDEC_LAT0_VLD2_EXT>,
> +					 <&iommu0 M4U_PORT_L5_VDEC_LAT0_AVC_MV_EXT>,
> +					 <&iommu0 M4U_PORT_L5_VDEC_LAT0_PRED_RD_EXT>,
> +					 <&iommu0 M4U_PORT_L5_VDEC_LAT0_TILE_EXT>,
> +					 <&iommu0 M4U_PORT_L5_VDEC_LAT0_WDMA_EXT>,
> +					 <&iommu0 M4U_PORT_L5_VDEC_LAT0_RG_CTRL_DMA_EXT>,
> +					 <&iommu0 M4U_PORT_L5_VDEC_UFO_ENC_EXT>;
> +				clocks = <&topckgen CLK_TOP_VDEC_SEL>,
> +					 <&vdecsys_soc CLK_VDEC_SOC_VDEC>,
> +					 <&vdecsys_soc CLK_VDEC_SOC_LAT>,
> +					 <&vdecsys_soc CLK_VDEC_SOC_LARB1>,
> +					 <&topckgen CLK_TOP_MAINPLL_D4>;
> +				clock-names = "sel", "soc-vdec", "soc-lat", "vdec", "top";
> +				assigned-clocks = <&topckgen CLK_TOP_VDEC_SEL>;
> +				assigned-clock-parents = <&topckgen CLK_TOP_MAINPLL_D4>;
> +				power-domains = <&spm MT8192_POWER_DOMAIN_VDEC>;
> +			};
> +
> +			vcodec_core: vcodec-core@25000 {
> +				compatible = "mediatek,mtk-vcodec-core";
> +				reg = <0 0x25000 0 0x1000>;	/* VDEC_CORE_MISC */

same here.

Regards,
Matthias

> +				interrupts = <GIC_SPI 425 IRQ_TYPE_LEVEL_HIGH 0>;
> +				iommus = <&iommu0 M4U_PORT_L4_VDEC_MC_EXT>,
> +					 <&iommu0 M4U_PORT_L4_VDEC_UFO_EXT>,
> +					 <&iommu0 M4U_PORT_L4_VDEC_PP_EXT>,
> +					 <&iommu0 M4U_PORT_L4_VDEC_PRED_RD_EXT>,
> +					 <&iommu0 M4U_PORT_L4_VDEC_PRED_WR_EXT>,
> +					 <&iommu0 M4U_PORT_L4_VDEC_PPWRAP_EXT>,
> +					 <&iommu0 M4U_PORT_L4_VDEC_TILE_EXT>,
> +					 <&iommu0 M4U_PORT_L4_VDEC_VLD_EXT>,
> +					 <&iommu0 M4U_PORT_L4_VDEC_VLD2_EXT>,
> +					 <&iommu0 M4U_PORT_L4_VDEC_AVC_MV_EXT>,
> +					 <&iommu0 M4U_PORT_L4_VDEC_RG_CTRL_DMA_EXT>;
> +				clocks = <&topckgen CLK_TOP_VDEC_SEL>,
> +					 <&vdecsys CLK_VDEC_VDEC>,
> +					 <&vdecsys CLK_VDEC_LAT>,
> +					 <&vdecsys CLK_VDEC_LARB1>,
> +					 <&topckgen CLK_TOP_MAINPLL_D4>;
> +				clock-names = "sel", "soc-vdec", "soc-lat", "vdec", "top";
> +				assigned-clocks = <&topckgen CLK_TOP_VDEC_SEL>;
> +				assigned-clock-parents = <&topckgen CLK_TOP_MAINPLL_D4>;
> +				power-domains = <&spm MT8192_POWER_DOMAIN_VDEC2>;
> +			};
> +		};
> +
>   		larb5: larb@1600d000 {
>   			compatible = "mediatek,mt8192-smi-larb";
>   			reg = <0 0x1600d000 0 0x1000>;