Add DT overlays for AM5 IDK LCDs

Add DT overlays for AM57[124]x IDKs to add LCD and touchscreen support.

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

4 files changed, 95 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index 5b194ed..cf61dca 100644
--- a/Makefile
+++ b/Makefile
@@ -103,6 +103,13 @@ dtb-tests-arm += \
 	am57xx-beagle-x15.dtb,ti/am57xx-evm-common.dtbo,ti/am57xx-evm.dtbo \
 	am57xx-beagle-x15-revc.dtb,ti/am57xx-evm-common.dtbo,ti/am57xx-evm-reva3.dtbo
 
+dtb-tests-arm += \
+	am571x-idk.dtb,ti/am57xx-idk-osd-lcd-common.dtbo,ti/am571x-idk-touchscreen.dtbo,ti/lcd-osd101t2045.dtbo \
+	am571x-idk.dtb,ti/am57xx-idk-osd-lcd-common.dtbo,ti/am571x-idk-touchscreen.dtbo,ti/lcd-osd101t2587.dtbo \
+	am572x-idk.dtb,ti/am57xx-idk-osd-lcd-common.dtbo,ti/am572x-idk-touchscreen.dtbo,ti/lcd-osd101t2045.dtbo \
+	am572x-idk.dtb,ti/am57xx-idk-osd-lcd-common.dtbo,ti/am572x-idk-touchscreen.dtbo,ti/lcd-osd101t2587.dtbo \
+	am574x-idk.dtb,ti/am57xx-idk-osd-lcd-common.dtbo,ti/am572x-idk-touchscreen.dtbo,ti/lcd-osd101t2587.dtbo
+
 dtb-tests-arm64 := \
 	ti/k3-am654-base-board.dtb,ti/k3-am654-gp.dtbo \
 	ti/k3-am654-base-board.dtb,ti/k3-am654-evm-hdmi.dtbo \
diff --git a/arch/arm/boot/dts/ti/am571x-idk-touchscreen.dtso b/arch/arm/boot/dts/ti/am571x-idk-touchscreen.dtso
new file mode 100644
index 0000000..415de57
--- /dev/null
+++ b/arch/arm/boot/dts/ti/am571x-idk-touchscreen.dtso
@@ -0,0 +1,14 @@
+// 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 = <&gpio5>;
+	interrupts = <6 IRQ_TYPE_EDGE_FALLING>;
+};
diff --git a/arch/arm/boot/dts/ti/am572x-idk-touchscreen.dtso b/arch/arm/boot/dts/ti/am572x-idk-touchscreen.dtso
new file mode 100644
index 0000000..c373294
--- /dev/null
+++ b/arch/arm/boot/dts/ti/am572x-idk-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 = <&gpio3>;
+	interrupts = <14 IRQ_TYPE_EDGE_FALLING>;
+};
diff --git a/arch/arm/boot/dts/ti/am57xx-idk-osd-lcd-common.dtso b/arch/arm/boot/dts/ti/am57xx-idk-osd-lcd-common.dtso
new file mode 100644
index 0000000..69a899a
--- /dev/null
+++ b/arch/arm/boot/dts/ti/am57xx-idk-osd-lcd-common.dtso
@@ -0,0 +1,61 @@
+// 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 = "pwm-backlight";
+			pwms = <&ecap0 0 50000 1>;
+			brightness-levels = <0 51 53 56 62 75 101 152 255>;
+			default-brightness-level = <8>;
+		};
+	};
+  };
+};
+
+&dsi_bridge {
+	status = "okay";
+};
+
+&i2c1 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	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 = <&gpio6 15 GPIO_ACTIVE_LOW>;
+
+		touchscreen-size-x = <1920>;
+		touchscreen-size-y = <1200>;
+
+		wakeup-source;
+	};
+};
+
+&epwmss0 {
+	status = "okay";
+};
+
+&ecap0 {
+	status = "okay";
+};