arm64: dts: imx8mn-tqma8mqnl-mba8mx: Add LVDS overlay

This overlay enables the DSI-LVDS display chain and configures the
actual panel compatible. Also add the DSIM supply voltages.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/Makefile

@@ -95,6 +95,10 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mn-ddr4-evk.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-tqma8mqnl-mba8mx.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-var-som-symphony.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-venice-gw7902.dtb
+
+imx8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33-dtbs += imx8mn-tqma8mqnl-mba8mx.dtb imx8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33.dtbo
+dtb-$(CONFIG_ARCH_MXC) += imx8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33.dtb
+
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-beacon-kit.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-data-modul-edm-sbc.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-debix-model-a.dtb

arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33.dtso

+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright (c) 2022-2023 TQ-Systems GmbH <linux@ew.tq-group.com>,
+ * D-82229 Seefeld, Germany.
+ * Author: Alexander Stein
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+
+&{/} {
+	compatible = "tq,imx8mn-tqma8mqnl-mba8mx", "tq,imx8mn-tqma8mqnl", "fsl,imx8mn";
+};
+
+&backlight_lvds {
+	status = "okay";
+};
+
+&dsi_lvds_bridge {
+	status = "okay";
+};
+
+&expander0 {
+	dsi-mux-oe-hog {
+		gpio-hog;
+		gpios = <10 GPIO_ACTIVE_LOW>;
+		output-high;
+		line-name = "DSI_MUX_OE#";
+	};
+};
+
+&lcdif {
+	status = "okay";
+};
+
+&mipi_dsi {
+	status = "okay";
+};
+
+&panel {
+	compatible = "tianma,tm070jvhg33";
+	status = "okay";
+};

arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl.dtsi

@@ -219,6 +219,11 @@ eeprom0: eeprom@57 {
 	};
 };
 
+&mipi_dsi {
+	vddcore-supply = <&ldo4_reg>;
+	vddio-supply = <&ldo3_reg>;
+};
+
 &usdhc3 {
 	pinctrl-names = "default", "state_100mhz", "state_200mhz";
 	pinctrl-0 = <&pinctrl_usdhc3>;