From b72698bf16d1b1bb487f82c80e3cd467a674f65d Mon Sep 17 00:00:00 2001
From: Mithil Bavishi <bavishimithil@gmail.com>
Date: Thu, 20 Oct 2022 20:46:21 +0530
Subject: [PATCH 2/3] arm/dts: Add espresso7 support

---
 arch/arm/boot/dts/Makefile                    |  1 +
 arch/arm/boot/dts/omap4-samsung-espresso7.dts | 70 +++++++++++++++++++
 2 files changed, 71 insertions(+)
 create mode 100644 arch/arm/boot/dts/omap4-samsung-espresso7.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 6aa7dc4db..c0c55b1a7 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -968,6 +968,7 @@ dtb-$(CONFIG_ARCH_OMAP4) += \
 	omap4-panda.dtb \
 	omap4-panda-a4.dtb \
 	omap4-panda-es.dtb \
+	omap4-samsung-espresso7.dtb \
 	omap4-sdp.dtb \
 	omap4-sdp-es23plus.dtb \
 	omap4-var-dvk-om44.dtb \
diff --git a/arch/arm/boot/dts/omap4-samsung-espresso7.dts b/arch/arm/boot/dts/omap4-samsung-espresso7.dts
new file mode 100644
index 000000000..9d715bd7e
--- /dev/null
+++ b/arch/arm/boot/dts/omap4-samsung-espresso7.dts
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/dts-v1/;
+
+#include "omap4-samsung-espresso-common.dtsi"
+
+/ {
+	model = "Samsung Galaxy Tab 2 (7 inch)";
+	compatible = "samsung,espresso7", "ti,omap4430", "ti,omap4";
+	
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pinctrl-names = "default";
+		pinctrl-0 = <&backlight_pins>;
+		pwms = <&pwm10 0 1200 0>;
+		power-supply = <&reg_lcd>;
+		enable-gpios = <&gpio3 31 GPIO_ACTIVE_HIGH>;
+		brightness-levels = <0 4 8 16 32 64 128 255>;
+		default-brightness-level = <7>;
+	};
+
+	panel {
+		compatible ="samsung,ltn070nl01", "panel-lvds";
+		power-supply = <&reg_lcd>;
+		width-mm = <154>;
+		height-mm = <90>;
+		data-mapping = "vesa-24";
+		backlight = <&backlight>;
+
+		panel-timing {
+			clock-frequency = <47255554>;
+
+			hback-porch = <210>;
+			hactive = <1024>;
+			hfront-porch = <186>;
+			hsync-len = <50>;
+
+			vback-porch = <11>;
+			vactive = <600>;
+			vfront-porch = <24>;
+			vsync-len = <10>;
+
+			hsync-active = <0>;
+			vsync-active = <0>;
+			de-active = <1>;
+			pixelclk-active = <1>;
+			syncclk-active = <0>;
+		};
+
+		port {
+			panel_in: endpoint {
+				remote-endpoint = <&bridge_out>;
+			};
+		};
+	};	
+};
+
+&i2c3 {
+	touchscreen@48 {
+		compatible = "melfas,mms136";
+		reg = <0x48>;
+		interrupt-parent = <&gpio2>;
+		interrupts = <14 IRQ_TYPE_EDGE_FALLING>;
+		touchscreen-size-x = <1023>;
+		touchscreen-size-y = <599>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&touch_pins>;
+		avdd-supply = <&reg_touch_ldo_en>;
+		vdd-supply = <&vcxio>;
+	};
+};
-- 
2.25.1

