[PATCH v4 3/3] arm64: dts: imx93-tqma9352-mba93xxla-mini: Add LVDS overlay

[Alexander Stein]

From: Martin Schmiedel <Martin.Schmiedel at tq-group.com>

Add the overlay for the Tianma TM070JVHG33 LVDS display.

Signed-off-by: Martin Schmiedel <Martin.Schmiedel at tq-group.com>
Signed-off-by: Alexander Stein <alexander.stein at ew.tq-group.com>
---
 arch/arm64/boot/dts/freescale/Makefile        |  2 +
 .../imx93-tqma9352-mba93xxla-mini.dts         | 45 +++++++++++++++++++
 2 files changed, 47 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index bd3d35ffde975..d387a4f5ed285 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -644,10 +644,12 @@ dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba91xxca-rgb-cdtech-dc44.dtb
 imx93-tqma9352-mba93xxca-lvds-tm070jvhg33-dtbs += imx93-tqma9352-mba93xxca.dtb imx93-tqma9352-mba93xxla-lvds-tm070jvhg33.dtbo
 imx93-tqma9352-mba93xxla-lvds-tm070jvhg33-dtbs += imx93-tqma9352-mba93xxla.dtb imx93-tqma9352-mba93xxla-lvds-tm070jvhg33.dtbo
 imx93-tqma9352-mba93xxla-mini-ezurio-wlan-dtbs += imx93-tqma9352-mba93xxla-mini.dtb imx93-tqma9352-mba93xxla-mini-ezurio-wlan.dtbo
+imx93-tqma9352-mba93xxla-mini-lvds-tm070jvhg33-dtbs += imx93-tqma9352-mba93xxla-mini.dtb imx93-tqma9352-mba93xxla-lvds-tm070jvhg33.dtbo
 
 dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxca-lvds-tm070jvhg33.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxla-lvds-tm070jvhg33.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxla-mini-ezurio-wlan.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxla-mini-lvds-tm070jvhg33.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx93-var-dart-sonata.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx93-var-som-symphony.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx93w-evk.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla-mini.dts b/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla-mini.dts
index 4afd6b650d9d8..0d553a8da7135 100644
--- a/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla-mini.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla-mini.dts
@@ -58,6 +58,37 @@ aliases {
 		spi5 = &lpspi6;
 	};
 
+	backlight_lvds: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&tpm5 0 5000000 0>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_backlight>;
+		brightness-levels = <0 4 8 16 32 64 128 255>;
+		default-brightness-level = <7>;
+		power-supply = <&reg_12v0>;
+		enable-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;
+		status = "disabled";
+	};
+
+	display: display {
+		/*
+		 * Display is not fixed, so compatible has to be added from
+		 * DT overlay
+		 */
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_display>;
+		power-supply = <&reg_3v3>;
+		enable-gpios = <&gpio2 7 GPIO_ACTIVE_HIGH>;
+		backlight = <&backlight_lvds>;
+		status = "disabled";
+
+		port {
+			panel_in_lvds0: endpoint {
+				remote-endpoint = <&ldb_lvds_ch0>;
+			};
+		};
+	};
+
 	iio-hwmon {
 		compatible = "iio-hwmon";
 		io-channels = <&adc1 0>, <&adc1 1>, <&adc1 2>, <&adc1 3>;
@@ -311,6 +342,10 @@ &lpuart8 {
 	status = "okay";
 };
 
+&ldb_lvds_ch0 {
+	remote-endpoint = <&panel_in_lvds0>;
+};
+
 &pcf85063 {
 	/* RTC_EVENT# from SoM is connected on mainboard */
 	pinctrl-names = "default";
@@ -375,6 +410,16 @@ &usdhc3 {
 };
 
 &iomuxc {
+	pinctrl_backlight: backlightgrp {
+		fsl,pins = /* HYS | PD | FSEL_2 | DSE X4 */
+			   <MX93_PAD_GPIO_IO05__GPIO2_IO05			0x011e>;
+	};
+
+	pinctrl_display: displaygrp {
+		fsl,pins = /* HYS | PD | FSEL_2 | DSE X4 */
+			   <MX93_PAD_GPIO_IO07__GPIO2_IO07			0x011e>;
+	};
+
 	pinctrl_eqos: eqosgrp {
 		fsl,pins = /* PD | FSEL_2 | DSE X4 */
 			   <MX93_PAD_ENET1_MDC__ENET_QOS_MDC				0x51e>,
-- 
2.54.0