Message-Id: <20241125093316.2357162-17-victor.liu@nxp.com>
Date: Mon, 25 Nov 2024 17:33:13 +0800
From: Liu Ying <victor.liu@....com>
To: dri-devel@...ts.freedesktop.org,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-phy@...ts.infradead.org
Cc: p.zabel@...gutronix.de,
	maarten.lankhorst@...ux.intel.com,
	mripard@...nel.org,
	tzimmermann@...e.de,
	airlied@...il.com,
	simona@...ll.ch,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	festevam@...il.com,
	glx@...utronix.de,
	vkoul@...nel.org,
	kishon@...nel.org,
	aisheng.dong@....com,
	agx@...xcpu.org,
	francesco@...cini.it,
	frank.li@....com,
	dmitry.baryshkov@...aro.org
Subject: [DO NOT MERGE PATCH v4 16/19] arm64: dts: imx8qxp: Add display controller subsystem

Add display controller subsystem in i.MX8qxp SoC.

Signed-off-by: Liu Ying <victor.liu@....com>
---
v4:
* No change.

v3:
* No change.

v2:
* New patch. (Krzysztof)

 .../arm64/boot/dts/freescale/imx8-ss-dc0.dtsi | 408 ++++++++++++++++++
 .../boot/dts/freescale/imx8qxp-ss-dc.dtsi     | 236 ++++++++++
 arch/arm64/boot/dts/freescale/imx8qxp.dtsi    |  25 +-
 3 files changed, 668 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm64/boot/dts/freescale/imx8-ss-dc0.dtsi
 create mode 100644 arch/arm64/boot/dts/freescale/imx8qxp-ss-dc.dtsi

diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-dc0.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-dc0.dtsi
new file mode 100644
index 000000000000..0db345204b89
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-dc0.dtsi
@@ -0,0 +1,408 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2024 NXP
+ */
+
+#include <dt-bindings/clock/imx8-lpcg.h>
+#include <dt-bindings/firmware/imx/rsrc.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+dc0_axi_ext_clk: clock-dc0-axi-ext {
+	compatible = "fixed-clock";
+	#clock-cells = <0>;
+	clock-frequency = <800000000>;
+	clock-output-names = "dc0_axi_ext_clk";
+};
+
+dc0_axi_int_clk: clock-dc0-axi-int {
+	compatible = "fixed-clock";
+	#clock-cells = <0>;
+	clock-frequency = <400000000>;
+	clock-output-names = "dc0_axi_int_clk";
+};
+
+dc0_cfg_clk: clock-dc0-cfg {
+	compatible = "fixed-clock";
+	#clock-cells = <0>;
+	clock-frequency = <100000000>;
+	clock-output-names = "dc0_cfg_clk";
+};
+
+dc0_subsys: bus@...00000 {
+	compatible = "simple-bus";
+	#address-cells = <1>;
+	#size-cells = <1>;
+	ranges = <0x56000000 0x0 0x56000000 0x1000000>;
+
+	dc0_irqsteer: interrupt-controller@...00000 {
+		compatible = "fsl,imx-irqsteer";
+		reg = <0x56000000 0x1000>;
+		interrupt-controller;
+		interrupt-parent = <&gic>;
+		#interrupt-cells = <1>;
+		interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&dc0_lis_lpcg IMX_LPCG_CLK_4>;
+		clock-names = "ipg";
+		fsl,channel = <0>;
+		fsl,num-irqs = <512>;
+	};
+
+	dc0_disp_lpcg: clock-controller@...10000 {
+		reg = <0x56010000 0x4>;
+		#clock-cells = <1>;
+		clocks = <&clk IMX_SC_R_DC_0 IMX_SC_PM_CLK_MISC0>,
+			 <&clk IMX_SC_R_DC_0 IMX_SC_PM_CLK_MISC1>;
+		clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_1>;
+		clock-output-names = "dc0_disp0_lpcg_clk", "dc0_disp1_lpcg_clk";
+		power-domains = <&pd IMX_SC_R_DC_0>;
+	};
+
+	dc0_lis_lpcg: clock-controller@...10004 {
+		reg = <0x56010004 0x4>;
+		#clock-cells = <1>;
+		clocks = <&dc0_cfg_clk>;
+		clock-indices = <IMX_LPCG_CLK_4>;
+		clock-output-names = "dc0_lis_lpcg_ipg_clk";
+		power-domains = <&pd IMX_SC_R_DC_0>;
+	};
+
+	dc0_disp_ctrl_link_mst0_lpcg: clock-controller@...10008 {
+		reg = <0x56010008 0x4>;
+		#clock-cells = <1>;
+		clocks = <&dc0_cfg_clk>;
+		clock-indices = <IMX_LPCG_CLK_4>;
+		clock-output-names = "dc0_disp_ctrl_link_mst0_lpcg_msi_clk";
+		power-domains = <&pd IMX_SC_R_DC_0>;
+	};
+
+	dc0_pixel_combiner_lpcg: clock-controller@...10010 {
+		reg = <0x56010010 0x4>;
+		#clock-cells = <1>;
+		clocks = <&dc0_cfg_clk>;
+		clock-indices = <IMX_LPCG_CLK_4>;
+		clock-output-names = "dc0_pixel_combiner_lpcg_apb_clk";
+		power-domains = <&pd IMX_SC_R_DC_0>;
+	};
+
+	dc0_lpcg: clock-controller@...10014 {
+		reg = <0x56010014 0x4>;
+		#clock-cells = <1>;
+		clocks = <&dc0_cfg_clk>, <&dc0_axi_int_clk>;
+		clock-indices = <IMX_LPCG_CLK_4>, <IMX_LPCG_CLK_5>;
+		clock-output-names = "dc0_lpcg_cfg_clk",
+				     "dc0_lpcg_axi_clk";
+		power-domains = <&pd IMX_SC_R_DC_0>;
+	};
+
+	dc0_pc: pixel-combiner@...20000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0x56020000 0x10000>;
+		clocks = <&dc0_pixel_combiner_lpcg IMX_LPCG_CLK_4>;
+		clock-names = "apb";
+		power-domains = <&pd IMX_SC_R_DC_0>;
+		status = "disabled";
+
+		channel@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+			status = "disabled";
+
+			port@0 {
+				reg = <0>;
+
+				dc0_pixel_combiner_ch0_dc0_disp0: endpoint {
+					remote-endpoint = <&dc0_disp0_dc0_pixel_combiner_ch0>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+
+				dc0_pixel_combiner_ch0_dc0_pixel_link0: endpoint {
+					remote-endpoint = <&dc0_pixel_link0_dc0_pixel_combiner_ch0>;
+				};
+			};
+		};
+
+		channel@1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <1>;
+			status = "disabled";
+
+			port@0 {
+				reg = <0>;
+
+				dc0_pixel_combiner_ch1_dc0_disp1: endpoint {
+					remote-endpoint = <&dc0_disp1_dc0_pixel_combiner_ch1>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+
+				dc0_pixel_combiner_ch1_dc0_pixel_link1: endpoint {
+					remote-endpoint = <&dc0_pixel_link1_dc0_pixel_combiner_ch1>;
+				};
+			};
+		};
+	};
+
+	dc0: display-controller@...80000 {
+		reg = <0x56180000 0x40000>;
+		clocks = <&dc0_lpcg IMX_LPCG_CLK_4>;
+		power-domains = <&pd IMX_SC_R_DC_0>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+		status = "disabled";
+
+		dc0_intc: interrupt-controller@...80040 {
+			reg = <0x56180040 0x60>;
+			clocks = <&dc0_lpcg IMX_LPCG_CLK_5>;
+			interrupt-controller;
+			interrupt-parent = <&dc0_irqsteer>;
+			#interrupt-cells = <1>;
+			interrupts = <448>, <449>, <450>,  <64>,
+				      <65>,  <66>,  <67>,  <68>,
+				      <69>,  <70>, <193>, <194>,
+				     <195>, <196>, <197>,  <72>,
+				      <73>,  <74>,  <75>,  <76>,
+				      <77>,  <78>,  <79>,  <80>,
+				      <81>, <199>, <200>, <201>,
+				     <202>, <203>, <204>, <205>,
+				     <206>, <207>, <208>,   <5>,
+				       <0>,   <1>,   <2>,   <3>,
+				       <4>,  <82>,  <83>,  <84>,
+				      <85>, <209>, <210>, <211>,
+				     <212>;
+			interrupt-names = "store9_shdload",
+					  "store9_framecomplete",
+					  "store9_seqcomplete",
+					  "extdst0_shdload",
+					  "extdst0_framecomplete",
+					  "extdst0_seqcomplete",
+					  "extdst4_shdload",
+					  "extdst4_framecomplete",
+					  "extdst4_seqcomplete",
+					  "extdst1_shdload",
+					  "extdst1_framecomplete",
+					  "extdst1_seqcomplete",
+					  "extdst5_shdload",
+					  "extdst5_framecomplete",
+					  "extdst5_seqcomplete",
+					  "disengcfg_shdload0",
+					  "disengcfg_framecomplete0",
+					  "disengcfg_seqcomplete0",
+					  "framegen0_int0",
+					  "framegen0_int1",
+					  "framegen0_int2",
+					  "framegen0_int3",
+					  "sig0_shdload",
+					  "sig0_valid",
+					  "sig0_error",
+					  "disengcfg_shdload1",
+					  "disengcfg_framecomplete1",
+					  "disengcfg_seqcomplete1",
+					  "framegen1_int0",
+					  "framegen1_int1",
+					  "framegen1_int2",
+					  "framegen1_int3",
+					  "sig1_shdload",
+					  "sig1_valid",
+					  "sig1_error",
+					  "reserved",
+					  "cmdseq_error",
+					  "comctrl_sw0",
+					  "comctrl_sw1",
+					  "comctrl_sw2",
+					  "comctrl_sw3",
+					  "framegen0_primsync_on",
+					  "framegen0_primsync_off",
+					  "framegen0_secsync_on",
+					  "framegen0_secsync_off",
+					  "framegen1_primsync_on",
+					  "framegen1_primsync_off",
+					  "framegen1_secsync_on",
+					  "framegen1_secsync_off";
+		};
+
+		dc0_pixel_engine: pixel-engine@...80800 {
+			reg = <0x56180800 0xac00>;
+			clocks = <&dc0_lpcg IMX_LPCG_CLK_5>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+
+			dc0_constframe0: constframe@...80960 {
+				reg = <0x56180960 0xc>, <0x56184400 0x20>;
+				reg-names = "pec", "cfg";
+			};
+
+			dc0_extdst0: extdst@...80980 {
+				reg = <0x56180980 0x1c>, <0x56184800 0x28>;
+				reg-names = "pec", "cfg";
+				interrupt-parent = <&dc0_intc>;
+				interrupts = <3>, <4>, <5>;
+				interrupt-names = "shdload", "framecomplete", "seqcomplete";
+			};
+
+			dc0_constframe4: constframe@...809a0 {
+				reg = <0x561809a0 0xc>, <0x56184c00 0x20>;
+				reg-names = "pec", "cfg";
+			};
+
+			dc0_extdst4: extdst@...809c0 {
+				reg = <0x561809c0 0x1c>, <0x56185000 0x28>;
+				reg-names = "pec", "cfg";
+				interrupt-parent = <&dc0_intc>;
+				interrupts = <6>, <7>, <8>;
+				interrupt-names = "shdload", "framecomplete", "seqcomplete";
+			};
+
+			dc0_constframe1: constframe@...809e0 {
+				reg = <0x561809e0 0xc>, <0x56185400 0x20>;
+				reg-names = "pec", "cfg";
+			};
+
+			dc0_extdst1: extdst@...80a00 {
+				reg = <0x56180a00 0x1c>, <0x56185800 0x28>;
+				reg-names = "pec", "cfg";
+				interrupt-parent = <&dc0_intc>;
+				interrupts = <9>, <10>, <11>;
+				interrupt-names = "shdload", "framecomplete", "seqcomplete";
+			};
+
+			dc0_constframe5: constframe@...80a20 {
+				reg = <0x56180a20 0xc>, <0x56185c00 0x20>;
+				reg-names = "pec", "cfg";
+			};
+
+			dc0_extdst5: extdst@...80a40 {
+				reg = <0x56180a40 0x1c>, <0x56186000 0x28>;
+				reg-names = "pec", "cfg";
+				interrupt-parent = <&dc0_intc>;
+				interrupts = <12>, <13>, <14>;
+				interrupt-names = "shdload", "framecomplete", "seqcomplete";
+			};
+
+			dc0_fetchwarp2: fetchwarp@...80a60 {
+				reg = <0x56180a60 0x10>, <0x56186400 0x190>;
+				reg-names = "pec", "cfg";
+			};
+
+			dc0_fetchlayer0: fetchlayer@...80ac0 {
+				reg = <0x56180ac0 0xc>, <0x56188400 0x404>;
+				reg-names = "pec", "cfg";
+			};
+
+			dc0_layerblend0: layerblend@...80ba0 {
+				reg = <0x56180ba0 0x10>, <0x5618a400 0x20>;
+				reg-names = "pec", "cfg";
+			};
+
+			dc0_layerblend1: layerblend@...80bc0 {
+				reg = <0x56180bc0 0x10>, <0x5618a800 0x20>;
+				reg-names = "pec", "cfg";
+			};
+
+			dc0_layerblend2: layerblend@...80be0 {
+				reg = <0x56180be0 0x10>, <0x5618ac00 0x20>;
+				reg-names = "pec", "cfg";
+			};
+
+			dc0_layerblend3: layerblend@...80c00 {
+				reg = <0x56180c00 0x10>, <0x5618b000 0x20>;
+				reg-names = "pec", "cfg";
+			};
+		};
+
+		dc0_display_engine0: display-engine@...8b400 {
+			reg = <0x5618b400 0x14>, <0x5618b800 0x1c00>;
+			reg-names = "top", "cfg";
+			interrupt-parent = <&dc0_intc>;
+			interrupts = <15>, <16>, <17>;
+			interrupt-names = "shdload", "framecomplete", "seqcomplete";
+			power-domains = <&pd IMX_SC_R_DC_0_PLL_0>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+
+			dc0_framegen0: framegen@...8b800 {
+				reg = <0x5618b800 0x98>;
+				clocks = <&dc0_disp_lpcg IMX_LPCG_CLK_0>;
+				interrupt-parent = <&dc0_intc>;
+				interrupts = <18>, <19>, <20>, <21>,
+					     <41>, <42>, <43>, <44>;
+				interrupt-names = "int0", "int1", "int2", "int3",
+						  "primsync_on", "primsync_off",
+						  "secsync_on", "secsync_off";
+			};
+
+			dc0_tcon0: tcon@...8c800 {
+				reg = <0x5618c800 0x588>;
+
+				port {
+					dc0_disp0_dc0_pixel_combiner_ch0: endpoint {
+						remote-endpoint = <&dc0_pixel_combiner_ch0_dc0_disp0>;
+					};
+				};
+			};
+		};
+
+		dc0_display_engine1: display-engine@...8b420 {
+			reg = <0x5618b420 0x14>, <0x5618d400 0x1c00>;
+			reg-names = "top", "cfg";
+			interrupt-parent = <&dc0_intc>;
+			interrupts = <25>, <26>, <27>;
+			interrupt-names = "shdload", "framecomplete", "seqcomplete";
+			power-domains = <&pd IMX_SC_R_DC_0_PLL_1>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+
+			dc0_framegen1: framegen@...8d400 {
+				reg = <0x5618d400 0x98>;
+				clocks = <&dc0_disp_lpcg IMX_LPCG_CLK_1>;
+				interrupt-parent = <&dc0_intc>;
+				interrupts = <28>, <29>, <30>, <31>,
+					     <45>, <46>, <47>, <48>;
+				interrupt-names = "int0", "int1", "int2", "int3",
+						  "primsync_on", "primsync_off",
+						  "secsync_on", "secsync_off";
+			};
+
+			dc0_tcon1: tcon@...8e400 {
+				reg = <0x5618e400 0x588>;
+
+				port {
+					dc0_disp1_dc0_pixel_combiner_ch1: endpoint {
+						remote-endpoint = <&dc0_pixel_combiner_ch1_dc0_disp1>;
+					};
+				};
+			};
+		};
+	};
+
+	dc0_pl_msi_bus: bus@...00000 {
+		reg = <0x56200000 0x100000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		interrupt-parent = <&dc0_irqsteer>;
+		interrupts = <320>;
+		ranges;
+		clocks = <&dc0_disp_ctrl_link_mst0_lpcg IMX_LPCG_CLK_4>,
+			 <&dc0_disp_ctrl_link_mst0_lpcg IMX_LPCG_CLK_4>;
+		clock-names = "msi", "ahb";
+		power-domains = <&pd IMX_SC_R_DC_0>;
+	};
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-ss-dc.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp-ss-dc.dtsi
new file mode 100644
index 000000000000..299720d8c99e
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8qxp-ss-dc.dtsi
@@ -0,0 +1,236 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2024 NXP
+ */
+
+&dc0 {
+	compatible = "fsl,imx8qxp-dc";
+};
+
+&dc0_constframe0 {
+	compatible = "fsl,imx8qxp-dc-constframe";
+};
+
+&dc0_constframe1 {
+	compatible = "fsl,imx8qxp-dc-constframe";
+};
+
+&dc0_constframe4 {
+	compatible = "fsl,imx8qxp-dc-constframe";
+};
+
+&dc0_constframe5 {
+	compatible = "fsl,imx8qxp-dc-constframe";
+};
+
+&dc0_disp_ctrl_link_mst0_lpcg {
+	compatible = "fsl,imx8qxp-lpcg";
+};
+
+&dc0_disp_lpcg {
+	compatible = "fsl,imx8qxp-lpcg";
+};
+
+&dc0_display_engine0 {
+	compatible = "fsl,imx8qxp-dc-display-engine";
+};
+
+&dc0_display_engine1 {
+	compatible = "fsl,imx8qxp-dc-display-engine";
+};
+
+&dc0_extdst0 {
+	compatible = "fsl,imx8qxp-dc-extdst";
+};
+
+&dc0_extdst1 {
+	compatible = "fsl,imx8qxp-dc-extdst";
+};
+
+&dc0_extdst4 {
+	compatible = "fsl,imx8qxp-dc-extdst";
+};
+
+&dc0_extdst5 {
+	compatible = "fsl,imx8qxp-dc-extdst";
+};
+
+&dc0_fetchlayer0 {
+	compatible = "fsl,imx8qxp-dc-fetchlayer";
+};
+
+&dc0_fetchwarp2 {
+	compatible = "fsl,imx8qxp-dc-fetchwarp";
+};
+
+&dc0_framegen0 {
+	compatible = "fsl,imx8qxp-dc-framegen";
+};
+
+&dc0_framegen1 {
+	compatible = "fsl,imx8qxp-dc-framegen";
+};
+
+&dc0_intc {
+	compatible = "fsl,imx8qxp-dc-intc";
+};
+
+&dc0_layerblend0 {
+	compatible = "fsl,imx8qxp-dc-layerblend";
+};
+
+&dc0_layerblend1 {
+	compatible = "fsl,imx8qxp-dc-layerblend";
+};
+
+&dc0_layerblend2 {
+	compatible = "fsl,imx8qxp-dc-layerblend";
+};
+
+&dc0_layerblend3 {
+	compatible = "fsl,imx8qxp-dc-layerblend";
+};
+
+&dc0_lis_lpcg {
+	compatible = "fsl,imx8qxp-lpcg";
+};
+
+&dc0_lpcg {
+	compatible = "fsl,imx8qxp-lpcg";
+};
+
+&dc0_pc {
+	compatible = "fsl,imx8qxp-pixel-combiner";
+};
+
+&dc0_pixel_combiner_lpcg {
+	compatible = "fsl,imx8qxp-lpcg";
+};
+
+&dc0_pixel_engine {
+	compatible = "fsl,imx8qxp-dc-pixel-engine";
+};
+
+&dc0_pl_msi_bus {
+	compatible = "fsl,imx8qxp-display-pixel-link-msi-bus", "simple-pm-bus";
+};
+
+&dc0_tcon0 {
+	compatible = "fsl,imx8qxp-dc-tcon";
+};
+
+&dc0_tcon1 {
+	compatible = "fsl,imx8qxp-dc-tcon";
+};
+
+&scu {
+	dc0_pixel_link0: dc0-pixel-link0 {
+		compatible = "fsl,imx8qxp-dc-pixel-link";
+		fsl,dc-id = /bits/ 8 <0>;
+		fsl,dc-stream-id = /bits/ 8 <0>;
+		status = "disabled";
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			/* from dc0 pixel combiner channel0 */
+			port@0 {
+				reg = <0>;
+
+				dc0_pixel_link0_dc0_pixel_combiner_ch0: endpoint {
+					remote-endpoint = <&dc0_pixel_combiner_ch0_dc0_pixel_link0>;
+				};
+			};
+
+			/* to PXL2DPIs in MIPI/LVDS combo subsystems */
+			port@1 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				reg = <1>;
+				status = "disabled";
+
+				dc0_pixel_link0_mipi_lvds_0_pxl2dpi: endpoint@0 {
+					reg = <0>;
+				};
+
+				dc0_pixel_link0_mipi_lvds_1_pxl2dpi: endpoint@1 {
+					reg = <1>;
+				};
+			};
+
+			/* unused */
+			port@2 {
+				reg = <2>;
+				status = "disabled";
+			};
+
+			/* unused */
+			port@3 {
+				reg = <3>;
+				status = "disabled";
+			};
+
+			/* to imaging subsystem */
+			port@4 {
+				reg = <4>;
+				status = "disabled";
+			};
+		};
+	};
+
+	dc0_pixel_link1: dc0-pixel-link1 {
+		compatible = "fsl,imx8qxp-dc-pixel-link";
+		fsl,dc-id = /bits/ 8 <0>;
+		fsl,dc-stream-id = /bits/ 8 <1>;
+		status = "disabled";
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			/* from dc0 pixel combiner channel1 */
+			port@0 {
+				reg = <0>;
+
+				dc0_pixel_link1_dc0_pixel_combiner_ch1: endpoint {
+					remote-endpoint = <&dc0_pixel_combiner_ch1_dc0_pixel_link1>;
+				};
+			};
+
+			/* to PXL2DPIs in MIPI/LVDS combo subsystems */
+			port@1 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				reg = <1>;
+				status = "disabled";
+
+				dc0_pixel_link1_mipi_lvds_1_pxl2dpi: endpoint@0 {
+					reg = <0>;
+				};
+
+				dc0_pixel_link1_mipi_lvds_0_pxl2dpi: endpoint@1 {
+					reg = <1>;
+				};
+			};
+
+			/* to parallel display interface in ADMA subsystem */
+			port@2 {
+				reg = <2>;
+				status = "disabled";
+			};
+
+			/* unused */
+			port@3 {
+				reg = <3>;
+				status = "disabled";
+			};
+
+			/* unused */
+			port@4 {
+				reg = <4>;
+				status = "disabled";
+			};
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
index 05138326f0a5..35cc82cbbcd1 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
@@ -20,6 +20,27 @@ / {
 	#size-cells = <2>;
 
 	aliases {
+		dc0 = &dc0;
+		dc0-constframe0 = &dc0_constframe0;
+		dc0-constframe1 = &dc0_constframe1;
+		dc0-constframe4 = &dc0_constframe4;
+		dc0-constframe5 = &dc0_constframe5;
+		dc0-display-engine0 = &dc0_display_engine0;
+		dc0-display-engine1 = &dc0_display_engine1;
+		dc0-extdst0 = &dc0_extdst0;
+		dc0-extdst1 = &dc0_extdst1;
+		dc0-extdst4 = &dc0_extdst4;
+		dc0-extdst5 = &dc0_extdst5;
+		dc0-fetchlayer0 = &dc0_fetchlayer0;
+		dc0-fetchwarp2 = &dc0_fetchwarp2;
+		dc0-framegen0 = &dc0_framegen0;
+		dc0-framegen1 = &dc0_framegen1;
+		dc0-layerblend0 = &dc0_layerblend0;
+		dc0-layerblend1 = &dc0_layerblend1;
+		dc0-layerblend2 = &dc0_layerblend2;
+		dc0-layerblend3 = &dc0_layerblend3;
+		dc0-tcon0 = &dc0_tcon0;
+		dc0-tcon1 = &dc0_tcon1;
 		ethernet0 = &fec1;
 		ethernet1 = &fec2;
 		gpio0 = &lsio_gpio0;
@@ -206,7 +227,7 @@ psci {
 		method = "smc";
 	};
 
-	system-controller {
+	scu: system-controller {
 		compatible = "fsl,imx-scu";
 		mbox-names = "tx0",
 			     "rx0",
@@ -323,6 +344,7 @@ map0 {
 	#include "imx8-ss-vpu.dtsi"
 	#include "imx8-ss-cm40.dtsi"
 	#include "imx8-ss-gpu0.dtsi"
+	#include "imx8-ss-dc0.dtsi"
 	#include "imx8-ss-adma.dtsi"
 	#include "imx8-ss-conn.dtsi"
 	#include "imx8-ss-ddr.dtsi"
@@ -332,6 +354,7 @@ map0 {
 
 #include "imx8qxp-ss-img.dtsi"
 #include "imx8qxp-ss-vpu.dtsi"
+#include "imx8qxp-ss-dc.dtsi"
 #include "imx8qxp-ss-adma.dtsi"
 #include "imx8qxp-ss-conn.dtsi"
 #include "imx8qxp-ss-lsio.dtsi"
-- 
2.34.1

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