linux-kernel - [PATCH v20 8/9] arm64: dts: imx8mq: Add DCSS + HDMI/DP display pipeline

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Message-Id: <b730433022fc3af7b271827e86fc4193229862e7.1734340233.git.Sandor.yu@nxp.com>
Date: Tue, 17 Dec 2024 14:51:50 +0800
From: Sandor Yu <Sandor.yu@....com>
To: dmitry.baryshkov@...aro.org,
	andrzej.hajda@...el.com,
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Subject: [PATCH v20 8/9] arm64: dts: imx8mq: Add DCSS + HDMI/DP display pipeline

From: Alexander Stein <alexander.stein@...tq-group.com>

This adds DCSS + MHDP + MHDP PHY nodes. PHY mode (DP/HDMI) is selected
by the connector type connected to mhdp port@1 endpoint.

Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
---
v17->v20:
 *No change

 arch/arm64/boot/dts/freescale/imx8mq.dtsi | 68 +++++++++++++++++++++++
 1 file changed, 68 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
index d51de8d899b2b..df8ba1d5391ae 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
@@ -1602,6 +1602,74 @@ aips4: bus@...00000 { /* AIPS4 */
 			#size-cells = <1>;
 			ranges = <0x32c00000 0x32c00000 0x400000>;
 
+			mdhp_phy: phy@...00000 {
+				compatible = "fsl,imx8mq-hdptx-phy";
+				reg = <0x32c00000 0x100000>;
+				#phy-cells = <0>;
+				clocks = <&hdmi_phy_27m>, <&clk IMX8MQ_CLK_DISP_APB_ROOT>;
+				clock-names = "ref", "apb";
+			};
+
+			mhdp: bridge@...00000 {
+				compatible = "fsl,imx8mq-mhdp8501";
+				reg = <0x32c00000 0x100000>;
+				interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
+				interrupt-names = "plug_in", "plug_out";
+				clocks = <&clk IMX8MQ_CLK_DISP_APB_ROOT>;
+				phys = <&mdhp_phy>;
+				status = "disabled";
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					port@0 {
+						reg = <0>;
+
+						mhdp_in: endpoint {
+							remote-endpoint = <&dcss_out>;
+						};
+					};
+
+					port@1 {
+						reg = <1>;
+
+						mhdp_out: endpoint {
+						};
+					};
+				};
+			};
+
+			dcss: display-controller@...00000 {
+				compatible = "nxp,imx8mq-dcss";
+				reg = <0x32e00000 0x2d000>, <0x32e2f000 0x1000>;
+				interrupt-parent = <&irqsteer>;
+				interrupts = <6>, <8>, <9>;
+				interrupt-names = "ctxld", "ctxld_kick", "vblank";
+				clocks = <&clk IMX8MQ_CLK_DISP_APB_ROOT>,
+					 <&clk IMX8MQ_CLK_DISP_AXI_ROOT>,
+					 <&clk IMX8MQ_CLK_DISP_RTRM_ROOT>,
+					 <&clk IMX8MQ_VIDEO2_PLL_OUT>,
+					 <&clk IMX8MQ_CLK_DISP_DTRC>;
+				clock-names = "apb", "axi", "rtrm", "pix", "dtrc";
+				assigned-clocks = <&clk IMX8MQ_CLK_DISP_AXI>,
+						  <&clk IMX8MQ_CLK_DISP_RTRM>,
+						  <&clk IMX8MQ_VIDEO2_PLL1_REF_SEL>;
+				assigned-clock-parents = <&clk IMX8MQ_SYS1_PLL_800M>,
+							 <&clk IMX8MQ_SYS1_PLL_800M>,
+							 <&clk IMX8MQ_CLK_27M>;
+				assigned-clock-rates = <800000000>,
+						       <400000000>;
+				status = "disabled";
+
+				port {
+					dcss_out: endpoint {
+						remote-endpoint = <&mhdp_in>;
+					};
+				};
+			};
+
 			irqsteer: interrupt-controller@...2d000 {
 				compatible = "fsl,imx8m-irqsteer", "fsl,imx-irqsteer";
 				reg = <0x32e2d000 0x1000>;
-- 
2.34.1