verdin-am62: add initial overlay set

Add overlay for DSI, audio and spidev. MIPI-CSI and LVDS are not
supported in mainline yet, therefore skip those.

Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>

6 files changed, 439 insertions, 0 deletions

diff --git a/overlays/Makefile b/overlays/Makefile
index d825ff3..9f13ee2 100644
--- a/overlays/Makefile
+++ b/overlays/Makefile
@@ -52,6 +52,12 @@ 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-hdmi_overlay.dtbo
+dtb-y += verdin-am62_dsi-to-lvds_panel-cap-touch-10inch-lvds_overlay.dtbo
+dtb-y += verdin-am62_nau8822-btl_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_dsi-to-hdmi_overlay.dtbo
 dtb-y += verdin-imx8mm_dsi-to-lvds_panel-cap-touch-10inch-lvds_overlay.dtbo
 dtb-y += verdin-imx8mm_hmp_overlay.dtbo
diff --git a/overlays/verdin-am62_dsi-to-hdmi_overlay.dts b/overlays/verdin-am62_dsi-to-hdmi_overlay.dts
new file mode 100644
index 0000000..32a41e7
--- /dev/null
+++ b/overlays/verdin-am62_dsi-to-hdmi_overlay.dts
@@ -0,0 +1,106 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2023 Toradex
+ */
+
+// Verdin DSI to HDMI Adapter orderable at Toradex.
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+	compatible = "toradex,verdin-am62";
+};
+
+&{/} {
+	hdmi-connector {
+		compatible = "hdmi-connector";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_pwm3_dsi_gpio>;
+		ddc-i2c-bus = <&main_i2c2>;
+		/* Verdin PWM_3_DSI (SODIMM 19) */
+		hpd-gpios = <&main_gpio1 17 GPIO_ACTIVE_HIGH>;
+		label = "hdmi";
+		type = "a";
+
+		port {
+			hdmi_connector_in: endpoint {
+				remote-endpoint = <&lt8912_1_out>;
+			};
+		};
+	};
+};
+
+&dsi_bridge {
+	status = "okay";
+};
+
+&dsi_bridge_ports {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	port@1 {
+		reg = <1>;
+
+		mipi_dsi_bridge1_out: endpoint {
+			remote-endpoint = <&lt8912_1_in>;
+		};
+	};
+};
+
+&dss {
+	status = "okay";
+};
+
+/* Verdin PWM_3_DSI */
+&epwm1 {
+	/* Verdin PWM_3_DSI (SODIMM 19) is used as HDMI HPD / GPIO, disable to avoid conflicts */
+	status = "disabled";
+};
+
+/* Verdin I2C_1 */
+&main_i2c1 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	hdmi@48 {
+		compatible = "lontium,lt8912b";
+		reg = <0x48>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_dsi1_bkl_en>;
+		/* Verdin GPIO_9_DSI (LT8912 INT, SODIMM 17, unused) */
+		/* Verdin GPIO_10_DSI (SODIMM 21) */
+		reset-gpios = <&main_gpio0 30 GPIO_ACTIVE_LOW>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				lt8912_1_in: endpoint {
+					data-lanes = <1 2 3 4>;
+					remote-endpoint = <&mipi_dsi_bridge1_out>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+
+				lt8912_1_out: endpoint {
+					remote-endpoint = <&hdmi_connector_in>;
+				};
+			};
+		};
+	};
+};
+
+/* Verdin I2C_2_DSI */
+&main_i2c2 {
+	status = "okay";
+};
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>;
+	};
+};
diff --git a/overlays/verdin-am62_nau8822-btl_overlay.dts b/overlays/verdin-am62_nau8822-btl_overlay.dts
new file mode 100644
index 0000000..a96627d
--- /dev/null
+++ b/overlays/verdin-am62_nau8822-btl_overlay.dts
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2023 Toradex
+ */
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "toradex,verdin-am62";
+};
+
+// Allow configuring the two loudspeaker outputs as a
+// single Bridge Tied Load output getting higher output power.
+
+&nau8822_1a {
+	nuvoton,spk-btl;
+};
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>;
+	};
+};
diff --git a/overlays/verdin-am62_spidev_overlay.dts b/overlays/verdin-am62_spidev_overlay.dts
new file mode 100644
index 0000000..c5089db
--- /dev/null
+++ b/overlays/verdin-am62_spidev_overlay.dts
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2023 Toradex
+ */
+
+// Verdin AM62 spidev
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "toradex,verdin-am62";
+};
+
+/* Verdin SPI_1 */
+&main_spi1 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	spidev@0 {
+		/* Use compatible "rohm,dh2228fv" to bind spidev driver */
+		compatible = "rohm,dh2228fv";
+		reg = <0>;
+		spi-max-frequency = <10000000>;
+	};
+};