ARM64: verdin-imx8mp: Add support for lvds on mezzanine

Related-to: ELB-4034
Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>

1 files changed, 42 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
index 00b713ce6f32..deda3077857a 100755
--- a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
@@ -30,6 +30,17 @@
 		status = "disabled";
 	};
 
+	backlight_mezzanine: backlight-mezzanine {
+		compatible = "pwm-backlight";
+		brightness-levels = <0 45 63 88 119 158 203 255>;
+		default-brightness-level = <4>;
+		/* Verdin GPIO 4 (SODIMM 212) */
+		enable-gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
+		/* Verdin PWM_2 (SODIMM 16) */
+		pwms = <&pwm2 0 6666667 PWM_POLARITY_INVERTED>;
+		status = "disabled";
+	};
+
 	gpio-keys {
 		compatible = "gpio-keys";
 		pinctrl-names = "default";
@@ -45,6 +56,19 @@
 		};
 	};
 
+	panel_lvds: panel-lvds {
+		compatible = "panel-lvds";
+		backlight = <&backlight>;
+		data-mapping = "vesa-24";
+		status = "disabled";
+
+		port {
+			panel_lvds_in: endpoint {
+				remote-endpoint = <&lvds_out>;
+			};
+		};
+	};
+
 	reg_aux_usb: regulator-aux-usb {
 		compatible = "regulator-fixed";
 		regulator-max-microvolt = <3300000>;
@@ -558,6 +582,24 @@
 	};
 };
 
+&ldb {
+	status = "disabled";
+
+	lvds_channel0: lvds-channel@0 {
+		fsl,data-mapping = "spwg";
+		fsl,data-width = <24>;
+		status = "okay";
+
+		port@1 {
+			reg = <1>;
+
+			lvds_out: endpoint {
+				remote-endpoint = <&panel_lvds_in>;
+			};
+		};
+	};
+};
+
 &mu {
 	status = "okay";
 };