[PATCH 1/3] arm64: dts: mediatek: mt6795: Add support for display blocks and DPI/DSI

Alexandre Mergnat amergnat at baylibre.com
Thu Jul 20 04:35:09 PDT 2023



On 20/07/2023 11:15, AngeloGioacchino Del Regno wrote:
> Introduce all nodes for all of the display blocks in the MediaTek Helio
> X10 MT6795 SoC, including the DSI PHY and DSI/DPI interfaces: those are
> left disabled as usage is board specific.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
> ---
>   arch/arm64/boot/dts/mediatek/mt6795.dtsi | 252 +++++++++++++++++++++++
>   1 file changed, 252 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt6795.dtsi b/arch/arm64/boot/dts/mediatek/mt6795.dtsi
> index 597bce2fed72..d805d7a63024 100644
> --- a/arch/arm64/boot/dts/mediatek/mt6795.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt6795.dtsi
> @@ -2,6 +2,9 @@
>   /*
>    * Copyright (c) 2015 MediaTek Inc.
>    * Author: Mars.C <mars.cheng at mediatek.com>
> + *
> + * Copyright (C) 2023 Collabora Ltd.
> + *                    AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>

Shouldn't be like this ?

  * Copyright (c) 2015 MediaTek Inc.
  * Copyright (C) 2023 Collabora Ltd.
  * Authors: Mars.C <mars.cheng at mediatek.com>
  *          AngeloGioacchino Del Regno 
<angelogioacchino.delregno at collabora.com>


>    */
>   
>   #include <dt-bindings/interrupt-controller/irq.h>
> @@ -19,6 +22,23 @@ / {
>   	#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;
> +	};
> +
>   	psci {
>   		compatible = "arm,psci-0.2";
>   		method = "smc";
> @@ -434,6 +454,26 @@ gce: mailbox at 10212000 {
>   			#mbox-cells = <2>;
>   		};
>   
> +		mipi_tx0: dsi-phy at 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>;
> +			status = "disabled";
> +		};
> +
> +		mipi_tx1: dsi-phy at 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>;
> +			status = "disabled";
> +		};
> +
>   		gic: interrupt-controller at 10221000 {
>   			compatible = "arm,gic-400";
>   			#interrupt-cells = <3>;
> @@ -690,6 +730,211 @@ mmsys: syscon at 14000000 {
>   			mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0 0x1000>;
>   		};
>   
> +		ovl0: ovl at 1400c000 {
> +			compatible = "mediatek,mt6795-disp-ovl", "mediatek,mt8173-disp-ovl";
> +			reg = <0 0x1400c000 0 0x1000>;
> +			interrupts = <GIC_SPI 188 IRQ_TYPE_LEVEL_LOW>;
> +			power-domains = <&spm MT6795_POWER_DOMAIN_MM>;
> +			clocks = <&mmsys CLK_MM_DISP_OVL0>;
> +			iommus = <&iommu M4U_PORT_DISP_OVL0>;
> +			mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0xc000 0x1000>;
> +		};
> +
> +		ovl1: ovl at 1400d000 {
> +			compatible = "mediatek,mt6795-disp-ovl", "mediatek,mt8173-disp-ovl";
> +			reg = <0 0x1400d000 0 0x1000>;
> +			interrupts = <GIC_SPI 189 IRQ_TYPE_LEVEL_LOW>;
> +			power-domains = <&spm MT6795_POWER_DOMAIN_MM>;
> +			clocks = <&mmsys CLK_MM_DISP_OVL1>;
> +			iommus = <&iommu M4U_PORT_DISP_OVL1>;
> +			mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0xd000 0x1000>;
> +		};
> +
> +		rdma0: rdma at 1400e000 {
> +			compatible = "mediatek,mt6795-disp-rdma", "mediatek,mt8173-disp-rdma";
> +			reg = <0 0x1400e000 0 0x1000>;
> +			interrupts = <GIC_SPI 190 IRQ_TYPE_LEVEL_LOW>;
> +			power-domains = <&spm MT6795_POWER_DOMAIN_MM>;
> +			clocks = <&mmsys CLK_MM_DISP_RDMA0>;
> +			iommus = <&iommu M4U_PORT_DISP_RDMA0>;
> +			mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0xe000 0x1000>;
> +		};
> +
> +		rdma1: rdma at 1400f000 {
> +			compatible = "mediatek,mt6795-disp-rdma", "mediatek,mt8173-disp-rdma";
> +			reg = <0 0x1400f000 0 0x1000>;
> +			interrupts = <GIC_SPI 191 IRQ_TYPE_LEVEL_LOW>;
> +			power-domains = <&spm MT6795_POWER_DOMAIN_MM>;
> +			clocks = <&mmsys CLK_MM_DISP_RDMA1>;
> +			iommus = <&iommu M4U_PORT_DISP_RDMA1>;
> +			mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0xf000 0x1000>;
> +		};
> +
> +		rdma2: rdma at 14010000 {
> +			compatible = "mediatek,mt6795-disp-rdma", "mediatek,mt8173-disp-rdma";
> +			reg = <0 0x14010000 0 0x1000>;
> +			interrupts = <GIC_SPI 192 IRQ_TYPE_LEVEL_LOW>;
> +			power-domains = <&spm MT6795_POWER_DOMAIN_MM>;
> +			clocks = <&mmsys CLK_MM_DISP_RDMA2>;
> +			iommus = <&iommu M4U_PORT_DISP_RDMA2>;
> +			mediatek,gce-client-reg = <&gce SUBSYS_1401XXXX 0 0x1000>;
> +		};
> +
> +		wdma0: wdma at 14011000 {
> +			compatible = "mediatek,mt6795-disp-wdma", "mediatek,mt8173-disp-wdma";
> +			reg = <0 0x14011000 0 0x1000>;
> +			interrupts = <GIC_SPI 193 IRQ_TYPE_LEVEL_LOW>;
> +			power-domains = <&spm MT6795_POWER_DOMAIN_MM>;
> +			clocks = <&mmsys CLK_MM_DISP_WDMA0>;
> +			iommus = <&iommu M4U_PORT_DISP_WDMA0>;
> +			mediatek,gce-client-reg = <&gce SUBSYS_1401XXXX 0x1000 0x1000>;
> +		};
> +
> +		wdma1: wdma at 14012000 {
> +			compatible = "mediatek,mt6795-disp-wdma", "mediatek,mt8173-disp-wdma";
> +			reg = <0 0x14012000 0 0x1000>;
> +			interrupts = <GIC_SPI 194 IRQ_TYPE_LEVEL_LOW>;
> +			power-domains = <&spm MT6795_POWER_DOMAIN_MM>;
> +			clocks = <&mmsys CLK_MM_DISP_WDMA1>;
> +			iommus = <&iommu M4U_PORT_DISP_WDMA1>;
> +			mediatek,gce-client-reg = <&gce SUBSYS_1401XXXX 0x2000 0x1000>;
> +		};
> +
> +		color0: color at 14013000 {
> +			compatible = "mediatek,mt6795-disp-color", "mediatek,mt8173-disp-color";
> +			reg = <0 0x14013000 0 0x1000>;
> +			interrupts = <GIC_SPI 195 IRQ_TYPE_LEVEL_LOW>;
> +			power-domains = <&spm MT6795_POWER_DOMAIN_MM>;
> +			clocks = <&mmsys CLK_MM_DISP_COLOR0>;
> +			mediatek,gce-client-reg = <&gce SUBSYS_1401XXXX 0x3000 0x1000>;
> +		};
> +
> +		color1: color at 14014000 {
> +			compatible = "mediatek,mt6795-disp-color", "mediatek,mt8173-disp-color";
> +			reg = <0 0x14014000 0 0x1000>;
> +			interrupts = <GIC_SPI 196 IRQ_TYPE_LEVEL_LOW>;
> +			power-domains = <&spm MT6795_POWER_DOMAIN_MM>;
> +			clocks = <&mmsys CLK_MM_DISP_COLOR1>;
> +			mediatek,gce-client-reg = <&gce SUBSYS_1401XXXX 0x4000 0x1000>;
> +		};
> +
> +		aal at 14015000 {
> +			compatible = "mediatek,mt6795-disp-aal", "mediatek,mt8173-disp-aal";
> +			reg = <0 0x14015000 0 0x1000>;
> +			interrupts = <GIC_SPI 197 IRQ_TYPE_LEVEL_LOW>;
> +			power-domains = <&spm MT6795_POWER_DOMAIN_MM>;
> +			clocks = <&mmsys CLK_MM_DISP_AAL>;
> +			mediatek,gce-client-reg = <&gce SUBSYS_1401XXXX 0x5000 0x1000>;
> +		};
> +
> +		gamma at 14016000 {
> +			compatible = "mediatek,mt6795-disp-gamma", "mediatek,mt8173-disp-gamma";
> +			reg = <0 0x14016000 0 0x1000>;
> +			interrupts = <GIC_SPI 198 IRQ_TYPE_LEVEL_LOW>;
> +			power-domains = <&spm MT6795_POWER_DOMAIN_MM>;
> +			clocks = <&mmsys CLK_MM_DISP_GAMMA>;
> +			mediatek,gce-client-reg = <&gce SUBSYS_1401XXXX 0x6000 0x1000>;
> +		};
> +
> +		merge at 14017000 {
> +			compatible = "mediatek,mt6795-disp-merge", "mediatek,mt8173-disp-merge";
> +			reg = <0 0x14017000 0 0x1000>;
> +			power-domains = <&spm MT6795_POWER_DOMAIN_MM>;
> +			clocks = <&mmsys CLK_MM_DISP_MERGE>;
> +		};
> +
> +		split0: split at 14018000 {
> +			compatible = "mediatek,mt6795-disp-split", "mediatek,mt8173-disp-split";
> +			reg = <0 0x14018000 0 0x1000>;
> +			power-domains = <&spm MT6795_POWER_DOMAIN_MM>;
> +			clocks = <&mmsys CLK_MM_DISP_SPLIT0>;
> +		};
> +
> +		split1: split at 14019000 {
> +			compatible = "mediatek,mt6795-disp-split", "mediatek,mt8173-disp-split";
> +			reg = <0 0x14019000 0 0x1000>;
> +			power-domains = <&spm MT6795_POWER_DOMAIN_MM>;
> +			clocks = <&mmsys CLK_MM_DISP_SPLIT1>;
> +		};
> +
> +		ufoe at 1401a000 {
> +			compatible = "mediatek,mt6795-disp-ufoe", "mediatek,mt8173-disp-ufoe";
> +			reg = <0 0x1401a000 0 0x1000>;
> +			interrupts = <GIC_SPI 199 IRQ_TYPE_LEVEL_LOW>;
> +			power-domains = <&spm MT6795_POWER_DOMAIN_MM>;
> +			clocks = <&mmsys CLK_MM_DISP_UFOE>;
> +			mediatek,gce-client-reg = <&gce SUBSYS_1401XXXX 0xa000 0x1000>;
> +		};
> +
> +		dsi0: dsi at 1401b000 {
> +			compatible = "mediatek,mt6795-dsi", "mediatek,mt8173-dsi";
> +			reg = <0 0x1401b000 0 0x1000>;
> +			interrupts = <GIC_SPI 200 IRQ_TYPE_LEVEL_LOW>;
> +			power-domains = <&spm MT6795_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";
> +			status = "disabled";
> +		};
> +
> +		dsi1: dsi at 1401c000 {
> +			compatible = "mediatek,mt6795-dsi", "mediatek,mt8173-dsi";
> +			reg = <0 0x1401c000 0 0x1000>;
> +			interrupts = <GIC_SPI 201 IRQ_TYPE_LEVEL_LOW>;
> +			power-domains = <&spm MT6795_POWER_DOMAIN_MM>;
> +			clocks = <&mmsys CLK_MM_DSI1_ENGINE>,
> +				 <&mmsys CLK_MM_DSI1_DIGITAL>,
> +				 <&mipi_tx1>;
> +			clock-names = "engine", "digital", "hs";
> +			phys = <&mipi_tx1>;
> +			phy-names = "dphy";
> +			status = "disabled";
> +		};
> +
> +		dpi0: dpi at 1401d000 {
> +			compatible = "mediatek,mt6795-dpi", "mediatek,mt8183-dpi";
> +			reg = <0 0x1401d000 0 0x1000>;
> +			interrupts = <GIC_SPI 202 IRQ_TYPE_LEVEL_LOW>;
> +			power-domains = <&spm MT6795_POWER_DOMAIN_MM>;
> +			clocks = <&mmsys CLK_MM_DPI_PIXEL>,
> +				 <&mmsys CLK_MM_DPI_ENGINE>,
> +				 <&apmixedsys CLK_APMIXED_TVDPLL>;
> +			clock-names = "pixel", "engine", "pll";
> +			status = "disabled";
> +		};
> +
> +		pwm0: pwm at 1401e000 {
> +			compatible = "mediatek,mt6795-disp-pwm", "mediatek,mt8173-disp-pwm";
> +			reg = <0 0x1401e000 0 0x1000>;
> +			#pwm-cells = <2>;
> +			clocks = <&mmsys CLK_MM_DISP_PWM026M>, <&mmsys CLK_MM_DISP_PWM0MM>;
> +			clock-names = "main", "mm";
> +			status = "disabled";
> +		};
> +
> +		pwm1: pwm at 1401f000 {
> +			compatible = "mediatek,mt6795-disp-pwm", "mediatek,mt8173-disp-pwm";
> +			reg = <0 0x1401f000 0 0x1000>;
> +			#pwm-cells = <2>;
> +			clocks = <&mmsys CLK_MM_DISP_PWM126M>, <&mmsys CLK_MM_DISP_PWM1MM>;
> +			clock-names = "main", "mm";
> +			status = "disabled";
> +		};
> +
> +		mutex: mutex at 14020000 {
> +			compatible = "mediatek,mt8173-disp-mutex";
> +			reg = <0 0x14020000 0 0x1000>;
> +			interrupts = <GIC_SPI 177 IRQ_TYPE_LEVEL_LOW>;
> +			power-domains = <&spm MT6795_POWER_DOMAIN_MM>;
> +			clocks = <&mmsys CLK_MM_MUTEX_32K>;
> +			mediatek,gce-events = <CMDQ_EVENT_MUTEX0_STREAM_EOF>,
> +					      <CMDQ_EVENT_MUTEX1_STREAM_EOF>;
> +			mediatek,gce-client-reg = <&gce SUBSYS_1402XXXX 0 0x1000>;
> +		};
> +
>   		larb0: larb at 14021000 {
>   			compatible = "mediatek,mt6795-smi-larb";
>   			reg = <0 0x14021000 0 0x1000>;
> @@ -708,6 +953,13 @@ smi_common: smi at 14022000 {
>   			clock-names = "apb", "smi";
>   		};
>   
> +		od at 14023000 {
> +			compatible = "mediatek,mt6795-disp-od", "mediatek,mt8173-disp-od";
> +			reg = <0 0x14023000 0 0x1000>;
> +			clocks = <&mmsys CLK_MM_DISP_OD>;
> +			mediatek,gce-client-reg = <&gce SUBSYS_1402XXXX 0x3000 0x1000>;
> +		};
> +
>   		larb2: larb at 15001000 {
>   			compatible = "mediatek,mt6795-smi-larb";
>   			reg = <0 0x15001000 0 0x1000>;

Reviewed-by: Alexandre Mergnat <amergnat at baylibre.com>

-- 
Regards,
Alexandre



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