MLK-23964-18 imx8mn_evk: Enable video splash screen on DDR4 and LPDDR4 EVK

Update board codes and DTS files to add display relevant nodes and
configurations.
Support two video links with MIPI DSI:
1. MIPI DSI to HDMI convertor, this is default
2. RM67191 panel

Signed-off-by: Ye Li <ye.li@nxp.com>

4 files changed, 93 insertions, 5 deletions

diff --git a/arch/arm/dts/imx8mn-ddr4-evk-u-boot.dtsi b/arch/arm/dts/imx8mn-ddr4-evk-u-boot.dtsi
index 18361dcd67..612fd24102 100644
--- a/arch/arm/dts/imx8mn-ddr4-evk-u-boot.dtsi
+++ b/arch/arm/dts/imx8mn-ddr4-evk-u-boot.dtsi
@@ -148,3 +148,16 @@
 	assigned-clocks = <&clk IMX8MN_CLK_QSPI>;
 	assigned-clock-parents = <&clk IMX8MN_SYS_PLL1_100M>;
 };
+
+&lcdif {
+	enable_polarity_low;
+	/delete-property/ assigned-clocks;
+	/delete-property/ assigned-clock-parents;
+	/delete-property/ assigned-clock-rates;
+};
+
+&mipi_dsi {
+	/delete-property/ assigned-clocks;
+	/delete-property/ assigned-clock-parents;
+	/delete-property/ assigned-clock-rates;
+};
\ No newline at end of file
diff --git a/arch/arm/dts/imx8mn-ddr4-evk.dts b/arch/arm/dts/imx8mn-ddr4-evk.dts
index 6931b906d8..3469c21983 100644
--- a/arch/arm/dts/imx8mn-ddr4-evk.dts
+++ b/arch/arm/dts/imx8mn-ddr4-evk.dts
@@ -29,6 +29,32 @@
 		startup-delay-us = <100>;
 		off-on-delay-us = <12000>;
 	};
+
+	dsi_host: dsi-host {
+		compatible = "samsung,sec-mipi-dsi";
+		status = "okay";
+	};
+
+	rm67191_panel {
+		compatible = "raydium,rm67191";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_mipi_dsi_en>;
+		reset-gpio = <&gpio1 8 GPIO_ACTIVE_LOW>;
+		dsi-lanes = <4>;
+		video-mode = <2>;	/* 0: burst mode
+					 * 1: non-burst mode with sync event
+					 * 2: non-burst mode with sync pulse
+					 */
+		panel-width-mm = <68>;
+		panel-height-mm = <121>;
+		status = "okay";
+
+		port {
+			rm67191_from_dsim: endpoint {
+				remote-endpoint = <&dsim_to_rm67191>;
+			};
+		};
+	};
 };
 
 &iomuxc {
@@ -248,7 +274,7 @@
 	adv_bridge: adv7535@3d {
 		compatible = "adi,adv7533";
 		reg = <0x3d>;
-		adi,addr-cec = <0x3b>;
+		adi,addr-cec = <0x3c>;
 		adi,dsi-lanes = <4>;
 		status = "okay";
 
@@ -469,7 +495,13 @@
 };
 
 &lcdif {
+	display = <&display0>;
 	status = "okay";
+
+	display0: display@0 {
+		bits-per-pixel = <24>;
+		bus-width = <24>;
+	};
 };
 
 &mipi_dsi {
@@ -478,7 +510,12 @@
 	port@1 {
 		dsim_to_adv7535: endpoint {
 			remote-endpoint = <&adv7535_from_dsim>;
-			attach-bridge;
+		};
+	};
+
+	port@2 {
+		dsim_to_rm67191: endpoint {
+			remote-endpoint = <&rm67191_from_dsim>;
 		};
 	};
 };
diff --git a/arch/arm/dts/imx8mn-evk.dts b/arch/arm/dts/imx8mn-evk.dts
index 63db6821bc..617c273f06 100644
--- a/arch/arm/dts/imx8mn-evk.dts
+++ b/arch/arm/dts/imx8mn-evk.dts
@@ -29,6 +29,32 @@
 		startup-delay-us = <100>;
 		off-on-delay-us = <12000>;
 	};
+
+	dsi_host: dsi-host {
+		compatible = "samsung,sec-mipi-dsi";
+		status = "okay";
+	};
+
+	rm67191_panel {
+		compatible = "raydium,rm67191";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_mipi_dsi_en>;
+		reset-gpio = <&gpio1 8 GPIO_ACTIVE_LOW>;
+		dsi-lanes = <4>;
+		video-mode = <2>;	/* 0: burst mode
+					 * 1: non-burst mode with sync event
+					 * 2: non-burst mode with sync pulse
+					 */
+		panel-width-mm = <68>;
+		panel-height-mm = <121>;
+		status = "okay";
+
+		port {
+			rm67191_from_dsim: endpoint {
+				remote-endpoint = <&dsim_to_rm67191>;
+			};
+		};
+	};
 };
 
 &iomuxc {
@@ -385,7 +411,7 @@
 	adv_bridge: adv7535@3d {
 		compatible = "adi,adv7533";
 		reg = <0x3d>;
-		adi,addr-cec = <0x3b>;
+		adi,addr-cec = <0x3c>;
 		adi,dsi-lanes = <4>;
 		status = "okay";
 
@@ -493,7 +519,13 @@
 };
 
 &lcdif {
+	display = <&display0>;
 	status = "okay";
+
+	display0: display@0 {
+		bits-per-pixel = <24>;
+		bus-width = <24>;
+	};
 };
 
 &mipi_dsi {
@@ -502,7 +534,12 @@
 	port@1 {
 		dsim_to_adv7535: endpoint {
 			remote-endpoint = <&adv7535_from_dsim>;
-			attach-bridge;
+		};
+	};
+
+	port@2 {
+		dsim_to_rm67191: endpoint {
+			remote-endpoint = <&rm67191_from_dsim>;
 		};
 	};
 };
diff --git a/arch/arm/dts/imx8mn.dtsi b/arch/arm/dts/imx8mn.dtsi
index 832c068d06..f2b82d05c7 100644
--- a/arch/arm/dts/imx8mn.dtsi
+++ b/arch/arm/dts/imx8mn.dtsi
@@ -39,6 +39,7 @@
 		spi0 = &flexspi;
 		usb0 = &usbotg1;
 		usb1 = &usbotg2;
+		video0 = &lcdif;
 	};
 
 	cpus {
@@ -894,7 +895,7 @@
 				assigned-clock-parents = <&clk IMX8MN_VIDEO_PLL1_OUT>,
 							 <&clk IMX8MN_SYS_PLL2_1000M>,
 							 <&clk IMX8MN_SYS_PLL1_800M>;
-				assigned-clock-rate = <594000000>,
+				assigned-clock-rates = <594000000>,
 						      <500000000>,
 						      <200000000>;
 				interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;