verdin-am62: add dsi to 10inch lvds panel overlay

Add overlay for 10 inch capacitive touch panel connected via DSI to LVDS
adapter.

Related-to: ELB-5026
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>

2 files changed, 143 insertions, 0 deletions

diff --git a/overlays/Makefile b/overlays/Makefile
index f26a4e2..546f381 100644
--- a/overlays/Makefile
+++ b/overlays/Makefile
@@ -50,6 +50,7 @@ dtb-y += colibri-imx7_panel-cap-touch-10inch-lvds_overlay.dtbo
 dtb-y += colibri-imx7_panel-res-touch-7inch_overlay.dtbo
 dtb-y += colibri-imx7_spidev_overlay.dtbo
 dtb-y += colibri-imx7_vga-640x480_overlay.dtbo
+dtb-y += verdin-am62_dsi-to-lvds_panel-cap-touch-10inch-lvds_overlay.dtbo
 dtb-y += verdin-am62_mezzanine_panel-cap-touch-10inch-lvds_overlay.dtbo
 dtb-y += verdin-am62_mezzanine_panel-lvds-dual-channel-1080p_overlay.dtbo
 dtb-y += verdin-am62_ov5640_overlay.dtbo
diff --git a/overlays/verdin-am62_dsi-to-lvds_panel-cap-touch-10inch-lvds_overlay.dts b/overlays/verdin-am62_dsi-to-lvds_panel-cap-touch-10inch-lvds_overlay.dts
new file mode 100644
index 0000000..35378de
--- /dev/null
+++ b/overlays/verdin-am62_dsi-to-lvds_panel-cap-touch-10inch-lvds_overlay.dts
@@ -0,0 +1,142 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2023 Toradex
+ */
+
+// Verdin DSI to LVDS Adapter orderable at Toradex.
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/pwm/pwm.h>
+
+/ {
+	compatible = "toradex,verdin-am62";
+};
+
+&{/} {
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_i2s_2_d_out_gpio>;
+		brightness-levels = <0 45 63 88 119 158 203 255>;
+		default-brightness-level = <4>;
+		/* Verdin DSI_1_BKL_EN_LVDS (shared with I2S_2_D_OUT from MCASP1, SODIMM 46) */
+		enable-gpios = <&main_gpio0 34 GPIO_ACTIVE_HIGH>;
+		power-supply = <&reg_3v3>;
+		/* Verdin PWM_3_DSI/PWM_3_DSI_LVDS (SODIMM 19) */
+		pwms = <&epwm1 0 6666667 PWM_POLARITY_INVERTED>;
+	};
+
+	panel-lvds {
+		compatible = "panel-lvds";
+		backlight = <&backlight>;
+		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 = <3 40 51>;
+			hfront-porch = <43 80 91>;
+			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_in_lvds: endpoint {
+				remote-endpoint = <&lvds_out_panel>;
+			};
+		};
+	};
+};
+
+&dsi_bridge {
+	status = "okay";
+};
+
+&dsi_bridge_ports {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	port@1 {
+		reg = <1>;
+
+		mipi_dsi_bridge1_out: endpoint {
+			remote-endpoint = <&dsi84_in>;
+		};
+	};
+};
+
+&dss {
+	status = "okay";
+};
+
+/* Verdin PWM_3_DSI */
+&epwm1 {
+	status = "okay";
+};
+
+/* Verdin I2C_1 */
+&main_i2c1 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	lvds_ti_sn65dsi84: bridge@2c {
+		compatible = "ti,sn65dsi84";
+		reg = <0x2c>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_dsi1_bkl_en>;
+		/* Verdin Verdin DSI_1_INT# (SN65DSI84 IRQ, SODIMM 17, unused) */
+		/* Verdin DSI_1_BKL_EN (SODIMM 21) */
+		enable-gpios = <&main_gpio0 30 GPIO_ACTIVE_HIGH>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				dsi84_in: endpoint {
+					data-lanes = <1 2 3 4>;
+					remote-endpoint = <&mipi_dsi_bridge1_out>;
+				};
+			};
+
+			port@2 {
+				reg = <2>;
+
+				lvds_out_panel: endpoint {
+					remote-endpoint = <&panel_in_lvds>;
+				};
+			};
+		};
+	};
+
+	atmel_mxt_ts: touch@4a {
+		compatible = "atmel,maxtouch";
+		reg = <0x4a>;
+		/*
+		 * Verdin DSI_1_INT#
+		 * (TOUCH_INT#, SODIMM 17, also routed to SN65DSI84 IRQ albeit currently unused)
+		 */
+		interrupt-parent = <&main_gpio1>;
+		interrupts = <49 IRQ_TYPE_EDGE_FALLING>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_dsi1_int>, <&pinctrl_i2s_2_bclk_gpio>;
+		/* Verdin I2S_2_BCLK (TOUCH_RESET#, SODIMM 42) */
+		reset-gpios = <&main_gpio0 35 GPIO_ACTIVE_LOW>;
+	};
+};