linux-kernel - Re: [PATCH] arm64: dts: mt8192: Add vcodec lat and core nodes

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Date:   Mon, 26 Sep 2022 14:47:21 +0800
From:   Chen-Yu Tsai <wenst@...omium.org>
To:     Allen-KH Cheng <allen-kh.cheng@...iatek.com>
Cc:     Matthias Brugger <matthias.bgg@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Project_Global_Chrome_Upstream_Group@...iatek.com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        hsinyi@...omium.org
Subject: Re: [PATCH] arm64: dts: mt8192: Add vcodec lat and core nodes

On Fri, Sep 23, 2022 at 7:47 PM Allen-KH Cheng
<allen-kh.cheng@...iatek.com> wrote:
>
> Add vcodec lat and core nodes for mt8192 SoC.
>
> Signed-off-by: Allen-KH Cheng <allen-kh.cheng@...iatek.com>

Tested-by: Chen-Yu Tsai <wenst@...omium.org>

> ---
> This patch is based on matthias.bgg/linux.git, v6.0-next/dts64
> [Allen-KH Cheng <allen-kh.cheng@...iatek.com>]
> ---
> ---
>  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 6b20376191a7..aa6524948e7c 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> @@ -1449,6 +1449,66 @@
>                         power-domains = <&spm MT8192_POWER_DOMAIN_ISP2>;
>                 };
>
> +               vcodec_dec: vcodec-dec@...00000 {

The device node name should be generic, so maybe "video-codec@"?

> +                       compatible = "mediatek,mt8192-vcodec-dec";
> +                       reg = <0 0x16000000 0 0x1000>;
> +                       mediatek,scp = <&scp>;
> +                       iommus = <&iommu0 M4U_PORT_L4_VDEC_MC_EXT>;
> +                       dma-ranges = <0x1 0x0 0x0 0x40000000 0x0 0xfff00000>;
> +                       #address-cells = <2>;
> +                       #size-cells = <2>;
> +                       ranges = <0 0 0 0x16000000 0 0x26000>;
> +
> +                       vcodec_lat: vcodec-lat@...00 {

Same here.

> +                               compatible = "mediatek,mtk-vcodec-lat";
> +                               reg = <0x0 0x10000 0 0x800>;
> +                               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@...00 {

Same here.

ChenYu