Add DRA7xx EVM LCD overlays

Add DT overlays for DRA7xx EVMs to add LCD and touchscreen support.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

5 files changed, 315 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index cf61dca..8b1b1cb 100644
--- a/Makefile
+++ b/Makefile
@@ -97,7 +97,14 @@ clean:
 	@rm -f $(dtbo_tmp) $(dtbo_dst)
 
 # base-dtb,ovl1,ovl2...
-dtb-tests-arm := dra76-evm.dtb,ti/dra76-evm-tfp410.dtbo
+dtb-tests-arm := dra76-evm.dtb,ti/dra76-evm-tfp410.dtbo \
+	dra71-evm.dtb,ti/dra71-evm-lcd-auo-g101evn01.0.dtbo \
+	dra72-evm.dtb,ti/dra7x-evm-osd-lcd-common.dtbo,ti/dra72-evm-touchscreen.dtbo,ti/lcd-osd101t2045.dtbo \
+	dra72-evm.dtb,ti/dra7x-evm-osd-lcd-common.dtbo,ti/dra72-evm-touchscreen.dtbo,ti/lcd-osd101t2587.dtbo \
+	dra72-evm-revc.dtb,ti/dra7x-evm-osd-lcd-common.dtbo,ti/dra72-evm-touchscreen.dtbo,ti/lcd-osd101t2045.dtbo \
+	dra72-evm-revc.dtb,ti/dra7x-evm-osd-lcd-common.dtbo,ti/dra72-evm-touchscreen.dtbo,ti/lcd-osd101t2587.dtbo \
+	dra7-evm.dtb,ti/dra7x-evm-osd-lcd-common.dtbo,ti/dra74-evm-touchscreen.dtbo,ti/lcd-osd101t2045.dtbo \
+	dra7-evm.dtb,ti/dra7x-evm-osd-lcd-common.dtbo,ti/dra74-evm-touchscreen.dtbo,ti/lcd-osd101t2587.dtbo
 
 dtb-tests-arm += \
 	am57xx-beagle-x15.dtb,ti/am57xx-evm-common.dtbo,ti/am57xx-evm.dtbo \
diff --git a/arch/arm/boot/dts/ti/dra71-evm-lcd-auo-g101evn01.0.dtso b/arch/arm/boot/dts/ti/dra71-evm-lcd-auo-g101evn01.0.dtso
new file mode 100644
index 0000000..82d4ee3
--- /dev/null
+++ b/arch/arm/boot/dts/ti/dra71-evm-lcd-auo-g101evn01.0.dtso
@@ -0,0 +1,139 @@
+/dts-v1/;
+/plugin/;
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+  fragment@101 {
+	target-path = "/";
+
+	__overlay__ {
+		model = "TI DRA71 EVM-LCD-AUO-Display";
+
+		aliases {
+			display0 = "/display";
+			display1 = "/connector";
+		};
+
+		lcd_bl: backlight {
+			compatible = "led-backlight";
+			leds = <&backlight_led>;
+			brightness-levels = <0 2 38 74 110 146 182 218 256>;
+			default-brightness-level = <8>;
+		};
+
+		lcd: display {
+			compatible = "auo,g101evn010";
+			enable-gpios = <&pcf_lcd 13 GPIO_ACTIVE_LOW>;
+			backlight = <&lcd_bl>;
+
+			port {
+				lcd_in: endpoint {
+					remote-endpoint = <&lvds_out>;
+				};
+			};
+		};
+
+		lvdsbridge {
+			compatible = "lvds-encoder";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+					lvds_in: endpoint {
+						remote-endpoint = <&dpi_out>;
+					};
+				};
+
+				port@1 {
+					reg = <1>;
+					lvds_out: endpoint {
+						remote-endpoint = <&lcd_in>;
+					};
+				};
+
+			};
+		};
+	};
+  };
+};
+
+&pcf_gpio_21 {
+	p0 {
+		gpio-hog;
+		gpios = <0 GPIO_ACTIVE_HIGH>;
+		line-name = "sel_gpmc_ad_vid_s0";
+		output-low;
+	};
+
+	p7 {
+		gpio-hog;
+		gpios = <7 GPIO_ACTIVE_HIGH>;
+		line-name = "sel_gpmc_ad_vid_s2";
+		output-high;
+	};
+};
+
+&i2c1 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	pcf_display_board: gpio@27 {
+		compatible = "nxp,pcf8575";
+		#gpio-cells = <2>;
+		gpio-controller;
+		reg = <0x27>;
+
+		p0 {
+			gpio-hog;
+			gpios = <0 GPIO_ACTIVE_LOW>;
+			line-name = "backlight-enable";
+			output-high;
+		};
+	};
+
+	tlc59108@40 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		compatible = "ti,tlc59108";
+		reg = <0x40>;
+
+		backlight_led: bl@2 {
+			label = "backlight";
+			reg = <0x2>;
+		};
+	};
+
+	touchscreen: goodix-gt9271@14 {
+		compatible = "goodix,gt9271";
+		interrupt-parent = <&gpio1>;
+		interrupts = <15 IRQ_TYPE_LEVEL_HIGH>;
+		irq-gpios = <&pcf_display_board 6 GPIO_ACTIVE_HIGH>;
+		reg = <0x14>;
+		reset-gpios = <&pcf_display_board 5 GPIO_ACTIVE_LOW>;
+		status = "okay";
+		touchscreen-inverted-y;
+		touchscreen-size-x = <1280>;
+		touchscreen-size-y = <800>;
+	};
+};
+
+&dss {
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		dss_port: port@2 {
+			reg = <2>;
+
+			dpi_out: endpoint {
+				data-lines = <24>;
+				remote-endpoint = <&lvds_in>;
+			};
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/ti/dra72-evm-touchscreen.dtso b/arch/arm/boot/dts/ti/dra72-evm-touchscreen.dtso
new file mode 100644
index 0000000..ff46273
--- /dev/null
+++ b/arch/arm/boot/dts/ti/dra72-evm-touchscreen.dtso
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
+ */
+
+/dts-v1/;
+/plugin/;
+#include <dt-bindings/interrupt-controller/irq.h>
+
+&touchscreen {
+	interrupt-parent = <&gpio1>;
+	interrupts = <15 IRQ_TYPE_EDGE_FALLING>;
+};
diff --git a/arch/arm/boot/dts/ti/dra74-evm-touchscreen.dtso b/arch/arm/boot/dts/ti/dra74-evm-touchscreen.dtso
new file mode 100644
index 0000000..001d25b
--- /dev/null
+++ b/arch/arm/boot/dts/ti/dra74-evm-touchscreen.dtso
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
+ */
+
+/dts-v1/;
+/plugin/;
+#include <dt-bindings/interrupt-controller/irq.h>
+
+&touchscreen {
+	interrupt-parent = <&gpio1>;
+	interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
+};
diff --git a/arch/arm/boot/dts/ti/dra7x-evm-osd-lcd-common.dtso b/arch/arm/boot/dts/ti/dra7x-evm-osd-lcd-common.dtso
new file mode 100644
index 0000000..12347d1
--- /dev/null
+++ b/arch/arm/boot/dts/ti/dra7x-evm-osd-lcd-common.dtso
@@ -0,0 +1,142 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
+ */
+
+/dts-v1/;
+/plugin/;
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+  fragment@101 {
+	target-path = "/";
+
+	__overlay__ {
+		aliases {
+			display0 = "/display";
+			display1 = "/connector";
+		};
+
+		lcd_bl: backlight {
+			compatible = "led-backlight";
+			leds = <&backlight_led>;
+			brightness-levels = <0 243 245 247 248 249 251 252 256>;
+			default-brightness-level = <5>;
+		};
+
+		tc358768_refclk: tc358768_refclk {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <20000000>;
+		};
+
+		v_1p2_d: fixedregulator-v_1p2_d {
+			/* Output of TPS74701 on the display board */
+			compatible = "regulator-fixed";
+			regulator-name = "V1p2D";
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+			vin-supply = <&evm_5v0>;
+			regulator-always-on;
+			regulator-boot-on;
+		};
+	};
+  };
+};
+
+&pcf_lcd {
+	p13 {
+		gpio-hog;
+		gpios = <13 GPIO_ACTIVE_LOW>;
+		line-name = "backlight-enable";
+		output-high;
+	};
+};
+
+&i2c1 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	dsi_bridge: tc358768@0e {
+		compatible = "toshiba,tc358768";
+		reg = <0x0e>;
+
+		clocks = <&tc358768_refclk>;
+		clock-names = "refclk";
+
+		/* GPIO line is inverted before going to the bridge */
+		reset-gpios = <&pcf_display_board 0 GPIO_ACTIVE_HIGH>;
+
+		vddc-supply = <&v_1p2_d>;
+		vddmipi-supply = <&v_1p2_d>;
+		vddio-supply = <&vsys_3v3>;
+
+		dsi_bridge_ports: ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+				rgb_in: endpoint {
+					remote-endpoint = <&dpi_out>;
+					data-lines = <24>;
+				};
+			};
+		};
+	};
+
+	tlc59108: tlc59116@40 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		compatible = "ti,tlc59108";
+		reg = <0x40>;
+
+		backlight_led: bl@2 {
+			label = "backlight";
+			reg = <0x2>;
+		};
+	};
+
+	pcf_display_board: gpio@27 {
+		compatible = "nxp,pcf8575";
+		reg = <0x27>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+
+	touchscreen: edt-ft5506@38 {
+		status = "okay";
+		compatible = "edt,edt-ft5506", "edt,edt-ft5x06";
+
+		reg = <0x38>;
+
+		/* GPIO line is inverted before going to touch panel */
+		reset-gpios = <&pcf_display_board 5 GPIO_ACTIVE_HIGH>;
+
+		touchscreen-size-x = <1920>;
+		touchscreen-size-y = <1200>;
+
+		wakeup-source;
+	};
+};
+
+&dss {
+	status = "okay";
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		port@0 {
+			reg = <0>;
+
+			dpi_out: endpoint {
+				remote-endpoint = <&rgb_in>;
+				data-lines = <24>;
+			};
+		};
+
+	};
+};