Re: [PATCH v8 08/13] arm64: dts: mt8173: Add display subsystem related nodes

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On Tue, Jan 5, 2016 at 1:36 AM, Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> wrote:
> From: CK Hu <ck.hu@xxxxxxxxxxxx>
>
> This patch adds the device nodes for the DISP function blocks
> comprising the display subsystem.
>
> Signed-off-by: CK Hu <ck.hu@xxxxxxxxxxxx>
> Signed-off-by: Cawa Cheng <cawa.cheng@xxxxxxxxxxxx>
> Signed-off-by: Jie Qiu <jie.qiu@xxxxxxxxxxxx>
> Signed-off-by: Daniel Kurtz <djkurtz@xxxxxxxxxxxx>
> Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
> ---
> Changes since v7:
>  - Add 26 MHz PLL reference input clock and the high-speed output clock to
>    the MIPI TX D-PHY nodes
>  - The HS output clock is routed to the DSI encoder module
>  - Add power-domains property to all nodes in the MM domain
> ---
>  arch/arm64/boot/dts/mediatek/mt8173.dtsi | 237 +++++++++++++++++++++++++++++++
>  1 file changed, 237 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> index 4901f13..68c1cb2 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> @@ -25,6 +25,23 @@
>         #address-cells = <2>;
>         #size-cells = <2>;
>
> +       aliases {
> +               ovl0 = &ovl0;
> +               ovl1 = &ovl1;
> +               rdma0 = &rdma0;
> +               rdma1 = &rdma1;
> +               rdma2 = &rdma2;
> +               wdma0 = &wdma0;
> +               wdma1 = &wdma1;
> +               color0 = &color0;
> +               color1 = &color1;
> +               split0 = &split0;
> +               split1 = &split1;
> +               dpi0 = &dpi0;
> +               dsi0 = &dsi0;
> +               dsi1 = &dsi1;
> +       };
> +
>         cpus {
>                 #address-cells = <1>;
>                 #size-cells = <0>;
> @@ -285,6 +302,24 @@
>                         #clock-cells = <1>;
>                 };
>
> +               mipi_tx0: mipi-dphy@10215000 {
> +                       compatible = "mediatek,mt8173-mipi-tx";
> +                       reg = <0 0x10215000 0 0x1000>;
> +                       clocks = <&clk26m>;
> +                       clock-output-names = "mipi_tx0_pll";
> +                       #clock-cells = <0>;
> +                       #phy-cells = <0>;
> +               };
> +
> +               mipi_tx1: mipi-dphy@10216000 {
> +                       compatible = "mediatek,mt8173-mipi-tx";
> +                       reg = <0 0x10216000 0 0x1000>;
> +                       clocks = <&clk26m>;
> +                       clock-output-names = "mipi_tx1_pll";
> +                       #clock-cells = <0>;
> +                       #phy-cells = <0>;
> +               };
> +
>                 gic: interrupt-controller@10220000 {
>                         compatible = "arm,gic-400";
>                         #interrupt-cells = <3>;
> @@ -431,6 +466,14 @@
>                         status = "disabled";
>                 };
>
> +               hdmiddc0: i2c@11012000 {
> +                       compatible = "mediatek,mt8173-hdmi-ddc";
> +                       interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_LOW>;
> +                       reg = <0 0x11012000 0 0x1C>;
> +                       clocks = <&pericfg CLK_PERI_I2C5>;
> +                       clock-names = "ddc-i2c";
> +               };
> +
>                 i2c6: i2c@11013000 {
>                         compatible = "mediatek,mt8173-i2c";
>                         reg = <0 0x11013000 0 0x70>,
> @@ -525,7 +568,187 @@
>                 mmsys: clock-controller@14000000 {
>                         compatible = "mediatek,mt8173-mmsys", "syscon";
>                         reg = <0 0x14000000 0 0x1000>;
> +                       power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
>                         #clock-cells = <1>;
> +
> +                       /* FIXME - remove iommus here */
> +                       iommus = <&iommu M4U_PORT_DISP_OVL0>,
> +                                <&iommu M4U_PORT_DISP_OVL1>;
> +               };
> +
> +               ovl0: ovl@1400c000 {
> +                       compatible = "mediatek,mt8173-disp-ovl";
> +                       reg = <0 0x1400c000 0 0x1000>;
> +                       interrupts = <GIC_SPI 180 IRQ_TYPE_LEVEL_LOW>;
> +                       power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> +                       clocks = <&mmsys CLK_MM_DISP_OVL0>;
> +                       iommus = <&iommu M4U_PORT_DISP_OVL0>;
> +                       mediatek,larb = <&larb0>;
> +               };
> +
> +               ovl1: ovl@1400d000 {
> +                       compatible = "mediatek,mt8173-disp-ovl";
> +                       reg = <0 0x1400d000 0 0x1000>;
> +                       interrupts = <GIC_SPI 181 IRQ_TYPE_LEVEL_LOW>;
> +                       power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> +                       clocks = <&mmsys CLK_MM_DISP_OVL1>;
> +                       iommus = <&iommu M4U_PORT_DISP_OVL1>;
> +                       mediatek,larb = <&larb4>;
> +               };
> +
> +               rdma0: rdma@1400e000 {
> +                       compatible = "mediatek,mt8173-disp-rdma";
> +                       reg = <0 0x1400e000 0 0x1000>;
> +                       interrupts = <GIC_SPI 182 IRQ_TYPE_LEVEL_LOW>;
> +                       power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> +                       clocks = <&mmsys CLK_MM_DISP_RDMA0>;
> +                       iommus = <&iommu M4U_PORT_DISP_RDMA0>;
> +                       mediatek,larb = <&larb0>;
> +               };
> +
> +               rdma1: rdma@1400f000 {
> +                       compatible = "mediatek,mt8173-disp-rdma";
> +                       reg = <0 0x1400f000 0 0x1000>;
> +                       interrupts = <GIC_SPI 183 IRQ_TYPE_LEVEL_LOW>;
> +                       power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> +                       clocks = <&mmsys CLK_MM_DISP_RDMA1>;
> +                       iommus = <&iommu M4U_PORT_DISP_RDMA1>;
> +                       mediatek,larb = <&larb4>;
> +               };
> +
> +               rdma2: rdma@14010000 {
> +                       compatible = "mediatek,mt8173-disp-rdma";
> +                       reg = <0 0x14010000 0 0x1000>;
> +                       interrupts = <GIC_SPI 184 IRQ_TYPE_LEVEL_LOW>;
> +                       power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> +                       clocks = <&mmsys CLK_MM_DISP_RDMA2>;
> +                       iommus = <&iommu M4U_PORT_DISP_RDMA2>;
> +                       mediatek,larb = <&larb4>;
> +               };
> +
> +               wdma0: wdma@14011000 {
> +                       compatible = "mediatek,mt8173-disp-wdma";
> +                       reg = <0 0x14011000 0 0x1000>;
> +                       interrupts = <GIC_SPI 185 IRQ_TYPE_LEVEL_LOW>;
> +                       power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> +                       clocks = <&mmsys CLK_MM_DISP_WDMA0>;
> +                       iommus = <&iommu M4U_PORT_DISP_WDMA0>;
> +                       mediatek,larb = <&larb0>;
> +               };
> +
> +               wdma1: wdma@14012000 {
> +                       compatible = "mediatek,mt8173-disp-wdma";
> +                       reg = <0 0x14012000 0 0x1000>;
> +                       interrupts = <GIC_SPI 186 IRQ_TYPE_LEVEL_LOW>;
> +                       power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> +                       clocks = <&mmsys CLK_MM_DISP_WDMA1>;
> +                       iommus = <&iommu M4U_PORT_DISP_WDMA1>;
> +                       mediatek,larb = <&larb4>;
> +               };
> +
> +               color0: color@14013000 {
> +                       compatible = "mediatek,mt8173-disp-color";
> +                       reg = <0 0x14013000 0 0x1000>;
> +                       interrupts = <GIC_SPI 187 IRQ_TYPE_LEVEL_LOW>;
> +                       power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> +                       clocks = <&mmsys CLK_MM_DISP_COLOR0>;
> +               };
> +
> +               color1: color@14014000 {
> +                       compatible = "mediatek,mt8173-disp-color";
> +                       reg = <0 0x14014000 0 0x1000>;
> +                       interrupts = <GIC_SPI 188 IRQ_TYPE_LEVEL_LOW>;
> +                       power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> +                       clocks = <&mmsys CLK_MM_DISP_COLOR1>;
> +               };
> +
> +               aal@14015000 {
> +                       compatible = "mediatek,mt8173-disp-aal";
> +                       reg = <0 0x14015000 0 0x1000>;
> +                       interrupts = <GIC_SPI 189 IRQ_TYPE_LEVEL_LOW>;
> +                       power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> +                       clocks = <&mmsys CLK_MM_DISP_AAL>;
> +               };
> +
> +               gamma@14016000 {
> +                       compatible = "mediatek,mt8173-disp-gamma";
> +                       reg = <0 0x14016000 0 0x1000>;
> +                       interrupts = <GIC_SPI 190 IRQ_TYPE_LEVEL_LOW>;
> +                       power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> +                       clocks = <&mmsys CLK_MM_DISP_GAMMA>;
> +               };
> +
> +               merge@14017000 {
> +                       compatible = "mediatek,mt8173-disp-merge";
> +                       reg = <0 0x14017000 0 0x1000>;
> +                       power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> +                       clocks = <&mmsys CLK_MM_DISP_MERGE>;
> +               };
> +
> +               split0: split@14018000 {
> +                       compatible = "mediatek,mt8173-disp-split";
> +                       reg = <0 0x14018000 0 0x1000>;
> +                       power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> +                       clocks = <&mmsys CLK_MM_DISP_SPLIT0>;
> +               };
> +
> +               split1: split@14019000 {
> +                       compatible = "mediatek,mt8173-disp-split";
> +                       reg = <0 0x14019000 0 0x1000>;
> +                       power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> +                       clocks = <&mmsys CLK_MM_DISP_SPLIT1>;
> +               };
> +
> +               ufoe@1401a000 {
> +                       compatible = "mediatek,mt8173-disp-ufoe";
> +                       reg = <0 0x1401a000 0 0x1000>;
> +                       interrupts = <GIC_SPI 191 IRQ_TYPE_LEVEL_LOW>;
> +                       power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> +                       clocks = <&mmsys CLK_MM_DISP_UFOE>;
> +               };
> +
> +               dsi0: dsi@1401b000 {
> +                       compatible = "mediatek,mt8173-dsi";
> +                       reg = <0 0x1401b000 0 0x1000>;
> +                       interrupts = <GIC_SPI 192 IRQ_TYPE_LEVEL_LOW>;
> +                       power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> +                       clocks = <&mmsys CLK_MM_DSI0_ENGINE>,
> +                                <&mmsys CLK_MM_DSI0_DIGITAL>,
> +                                <&mipi_tx0>;
> +                       clock-names = "engine", "digital", "hs";
> +                       phys = <&mipi_tx0>;
> +                       phy-names = "dphy";
> +               };
> +
> +               dsi1: dsi@1401c000 {
> +                       compatible = "mediatek,mt8173-dsi";
> +                       reg = <0 0x1401c000 0 0x1000>;
> +                       interrupts = <GIC_SPI 193 IRQ_TYPE_LEVEL_LOW>;
> +                       power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> +                       clocks = <&mmsys CLK_MM_DSI1_ENGINE>,
> +                                <&mmsys CLK_MM_DSI1_DIGITAL>,
> +                                <&mipi_tx1>;
> +                       clock-names = "engine", "digital", "hs";
> +                       phy = <&mipi_tx1>;
> +                       phy-names = "dphy";
> +                       status = "disabled";
> +               };
> +
> +               dpi0: dpi@1401d000 {
> +                       compatible = "mediatek,mt8173-dpi";
> +                       reg = <0 0x1401d000 0 0x1000>;
> +                       interrupts = <GIC_SPI 194 IRQ_TYPE_LEVEL_LOW>;
> +                       power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> +                       clocks = <&mmsys CLK_MM_DPI_PIXEL>,
> +                                <&mmsys CLK_MM_DPI_ENGINE>,
> +                                <&apmixedsys CLK_APMIXED_TVDPLL>;
> +                       clock-names = "pixel", "engine", "pll";
> +
> +                       port {
> +                               dpi0_out: endpoint {
> +                                       remote-endpoint = <&hdmi0_in>;

nit: At this point in the patch series, you haven't defined hdmi0_in yet.
Move this port to "Add HDMI related nodes".

> +                               };
> +                       };
>                 };
>
>                 pwm0: pwm@1401e000 {
> @@ -550,6 +773,20 @@
>                         status = "disabled";
>                 };
>
> +               mutex: mutex@14020000 {
> +                       compatible = "mediatek,mt8173-disp-mutex";
> +                       reg = <0 0x14020000 0 0x1000>;
> +                       interrupts = <GIC_SPI 169 IRQ_TYPE_LEVEL_LOW>;
> +                       power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> +                       clocks = <&mmsys CLK_MM_MUTEX_32K>;
> +               };
> +
> +               od@14023000 {
> +                       compatible = "mediatek,mt8173-disp-od";
> +                       reg = <0 0x14023000 0 0x1000>;
> +                       clocks = <&mmsys CLK_MM_DISP_OD>;
> +               };
> +
>                 larb0: larb@14021000 {
>                         compatible = "mediatek,mt8173-smi-larb";
>                         reg = <0 0x14021000 0 0x1000>;
> --
> 2.6.2
>
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