verdin-am62: add Riverdi 10.1 inch dsi panel overlay

Add overlay for Riverdi 10.1 inch capacitive touch panel
connected via DSI.

It can be directly connected to Mallow carrier board and, using Verdin
DSI display adapter, it can be connected to Dev and Dahlia carrier boards.

Related-to: ELB-5363

Signed-off-by: Emanuele Ghidoli <emanuele.ghidoli@toradex.com>

2 files changed, 141 insertions, 0 deletions

diff --git a/overlays/Makefile b/overlays/Makefile
index e7994d3..e2b9dbd 100644
--- a/overlays/Makefile
+++ b/overlays/Makefile
@@ -56,6 +56,7 @@ 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_nau8822-btl_overlay.dtbo
 dtb-y += verdin-am62_ov5640_overlay.dtbo
+dtb-y += verdin-am62_panel-cap-touch-10inch-dsi_overlay.dtbo
 dtb-y += verdin-am62_spidev_overlay.dtbo
 dtb-y += verdin-imx8mm_nau8822-btl_overlay.dtbo
 dtb-y += verdin-imx8mm_spidev_overlay.dtbo
diff --git a/overlays/verdin-am62_panel-cap-touch-10inch-dsi_overlay.dts b/overlays/verdin-am62_panel-cap-touch-10inch-dsi_overlay.dts
new file mode 100644
index 0000000..6c8fcd9
--- /dev/null
+++ b/overlays/verdin-am62_panel-cap-touch-10inch-dsi_overlay.dts
@@ -0,0 +1,140 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2023 Toradex
+ */
+
+// Verdin with connected Capacitive Touch Display 10.1" DSI.
+// Adapter and display can be ordered 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 = <88 88 88>;
+			hfront-porch = <12 72 132>;
+			hsync-active = <0>;
+			hsync-len = <1 16 40>;
+			pixelclk-active = <1>;
+			vactive = <800 800 800>;
+			vback-porch = <23 23 23>;
+			vfront-porch = <1 16 49>;
+			vsync-active = <0>;
+			vsync-len = <1 16 20>;
+		};
+
+		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_2_DSI */
+&main_i2c2 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	bridge@2c {
+		compatible = "ti,sn65dsi83";
+		reg = <0x2c>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_dsi1_bkl_en>;
+		/* SN65DSI83 IRQ, not connected) */
+		/* 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>;
+				};
+			};
+		};
+	};
+
+	touch@41 {
+		compatible = "ilitek,ili2132";
+		reg = <0x41>;
+		/* Verdin DSI_1_INT# (TOUCH_INT#, SODIMM 17) */
+		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>;
+	};
+};