verdin-imx8mp: Add mallow lvds overlay

Add overlay for lvds display for mallow v1.1 using native lvds interface
of verdin imx8mp.

Related-to: ELB-5219

Signed-off-by: Joao Paulo Goncalves <joao.goncalves@toradex.com>

2 files changed, 136 insertions, 0 deletions

diff --git a/overlays/Makefile b/overlays/Makefile
index ec9b2f0..41ace9b 100644
--- a/overlays/Makefile
+++ b/overlays/Makefile
@@ -61,6 +61,7 @@ dtb-y += verdin-imx8mp_mezzanine_panel-lvds-dual-channel-1080p_overlay.dtbo
 dtb-y += verdin-imx8mp_nau8822-btl_overlay.dtbo
 dtb-y += verdin-imx8mp_ov5640_overlay.dtbo
 dtb-y += verdin-imx8mp_panel-cap-touch-10inch-dsi_overlay.dtbo
+dtb-y += verdin-imx8mp_panel-cap-touch-10inch-lvds_overlay.dtbo
 dtb-y += verdin-imx8mp_spidev_overlay.dtbo
 
 targets += $(dtb-y)
diff --git a/overlays/verdin-imx8mp_panel-cap-touch-10inch-lvds_overlay.dts b/overlays/verdin-imx8mp_panel-cap-touch-10inch-lvds_overlay.dts
new file mode 100644
index 0000000..139770b
--- /dev/null
+++ b/overlays/verdin-imx8mp_panel-cap-touch-10inch-lvds_overlay.dts
@@ -0,0 +1,135 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2023 Toradex
+ */
+
+// Verdin iMX8M Plus single-channel LVDS
+
+/dts-v1/;
+/plugin/;
+
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/pwm/pwm.h>
+#include "imx8mp-pinfunc.h"
+
+
+/ {
+	compatible = "toradex,verdin-imx8mp";
+};
+
+&{/} {
+	backlight_lvds_native: backlight-lvds-native {
+		compatible = "pwm-backlight";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_i2s_2_d_out_dsi_1_bkl_en>;		
+		brightness-levels = <0 45 63 88 119 158 203 255>;
+		default-brightness-level = <4>;
+		/* Verdin I2S_2_D_OUT as GPIO (SODIMM 46) */
+		enable-gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;	
+		/* Verdin PWM_2 (SODIMM 16) */
+		pwms = <&pwm2 0 6666667 PWM_POLARITY_INVERTED>;
+		status = "okay";
+	};
+
+	panel-lvds-native {
+		compatible = "panel-lvds";
+		backlight = <&backlight_lvds_native>;
+		data-mapping = "vesa-24";
+		height-mm = <136>;
+		width-mm = <217>;
+
+		panel-timing {
+			clock-frequency = <68900000 71100000 73400000>;
+			de-active = <1>;
+			hactive = <1280 1280 1280>;
+			hback-porch = <23 60 71>;
+			hfront-porch = <23 60 71>;
+			hsync-active = <0>;
+			hsync-len = <15 40 47>;
+			pixelclk-active = <1>; /* positive edge */
+			vactive = <800 800 800>;
+			vback-porch = <5 7 10>;
+			vfront-porch = <5 7 10>;
+			vsync-active = <0>;
+			vsync-len = <6 9 12>;
+		};
+
+		port {
+			panel_lvds_native_in: endpoint {
+				remote-endpoint = <&lvds_out>;
+			};
+		};
+	};
+};
+
+&gpu_2d {
+	status = "okay";
+};
+
+&gpu_3d {
+	status = "okay";
+};
+
+/* Verdin I2C_2_DSI */
+&i2c2 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+	
+	touch@4a {
+		compatible = "atmel,maxtouch";
+		reg = <0x4a>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_i2s_2_d_in_gpio>,
+			    <&pinctrl_i2s_2_sync_gpio>;	
+		/* Verdin I2S_2_SYNC as GPIO (SODIMM 44) */
+		interrupt-parent = <&gpio4>;
+		interrupts = <31 IRQ_TYPE_EDGE_FALLING>;
+		/* Verdin I2S_2_D_IN as GPIO (SODIMM 48) */
+		reset-gpios = <&gpio4 30 GPIO_ACTIVE_LOW>;
+		status = "okay";
+	};
+};
+
+&lcdif2 {
+	status = "okay";
+};
+
+&ldb {
+	status = "okay";
+};
+
+&ldb_phy {
+	status = "okay";
+};
+
+&lvds_out{
+	remote-endpoint = <&panel_lvds_native_in>;
+};
+
+&mix_gpu_ml {
+	status = "okay";
+};
+
+&ml_vipsi {
+	status = "okay";
+};
+
+/* Verdin PWM_2 */
+&pwm2 {
+	status = "okay";
+};
+
+&iomuxc {
+	pinctrl_i2s_2_d_in_gpio: gpio4io30grp {
+		fsl,pins =
+			<MX8MP_IOMUXC_SAI3_RXD__GPIO4_IO30 0x1c4>;	/* SODIMM 48 */
+	};	
+
+	pinctrl_i2s_2_sync_gpio: gpio4io31grp {
+		fsl,pins =
+			<MX8MP_IOMUXC_SAI3_TXFS__GPIO4_IO31 0x184>;	/* SODIMM 44 */
+	};
+};