ARM: dts: exynos: Add Samsung's Exynos4412-based Midas boards

"Midas" is the codename for a family of smartphones released by Samsung
Mobile. It includes the Galaxy S3 (GT-I9300/I9305) and the Galaxy
Note 2 (GT-N7100/N7105). The boards largely have the same peripherals:
the main differences are touchscreen, display panel and cellular modem.

Signed-off-by: Simon Shields <[e-mail]>
Signed-off-by: Krzysztof Kozlowski <[e-mail]>

arch/arm/boot/dts/Makefile

···
 	exynos4210-smdkv310.dtb \
 	exynos4210-trats.dtb \
 	exynos4210-universal_c210.dtb \
+	exynos4412-i9300.dtb \
+	exynos4412-i9305.dtb \
 	exynos4412-itop-elite.dtb \
+	exynos4412-n710x.dtb \
 	exynos4412-odroidu3.dtb \
 	exynos4412-odroidx.dtb \
 	exynos4412-odroidx2.dtb \

arch/arm/boot/dts/exynos4412-i9300.dts

···
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Samsung's Exynos4412 based M0 (GT-I9300) board device tree source
+ *
+ * Copyright (c) 2013 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ */
+
+/dts-v1/;
+#include "exynos4412-galaxy-s3.dtsi"
+
+/ {
+	model = "Samsung Galaxy S3 (GT-I9300) based on Exynos4412";
+	compatible = "samsung,i9300", "samsung,midas", "samsung,exynos4412", "samsung,exynos4";
+
+	/* bootargs are passed in by bootloader */
+
+	memory@40000000 {
+		device_type = "memory";
+		reg =  <0x40000000 0x40000000>;
+	};
+};

arch/arm/boot/dts/exynos4412-i9305.dts

···
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+#include "exynos4412-galaxy-s3.dtsi"
+
+/ {
+	model = "Samsung Galaxy S3 (GT-I9305) based on Exynos4412";
+	compatible = "samsung,i9305", "samsung,midas", "samsung,exynos4412", "samsung,exynos4";
+
+	/* bootargs are passed in by bootloader */
+
+	memory@40000000 {
+		device_type = "memory";
+		reg =  <0x40000000 0x80000000>;
+	};
+};
+
+&i2c0_bus {
+	/* SCL and SDA pins are swapped */
+	samsung,pins = "gpd1-1", "gpd1-0";
+};

arch/arm/boot/dts/exynos4412-n710x.dts

···
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+#include "exynos4412-midas.dtsi"
+
+/ {
+	compatible = "samsung,n710x", "samsung,midas", "samsung,exynos4412", "samsung,exynos4";
+	model = "Samsung Galaxy Note 2 (GT-N7100, GT-N7105) based on Exynos4412";
+
+	memory@40000000 {
+		device_type = "memory";
+		reg =  <0x40000000 0x80000000>;
+	};
+
+	/* bootargs are passed in by bootloader */
+
+	regulators {
+		cam_vdda_reg: voltage-regulator-9 {
+			compatible = "regulator-fixed";
+			regulator-name = "CAM_SENSOR_CORE_1.2V";
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+			gpio = <&gpm4 1 GPIO_ACTIVE_HIGH>;
+			enable-active-high;
+		};
+	};
+};
+
+&buck9_reg {
+	maxim,ena-gpios = <&gpm1 0 GPIO_ACTIVE_HIGH>;
+};
+
+&cam_af_reg {
+	gpio = <&gpm1 1 GPIO_ACTIVE_HIGH>;
+	status = "okay";
+};
+
+&cam_io_reg {
+	gpio = <&gpm0 7 GPIO_ACTIVE_HIGH>;
+	status = "okay";
+};
+
+&ldo13_reg {
+	regulator-name = "VCC_1.8V_LCD";
+	regulator-always-on;
+};
+
+&ldo25_reg {
+	regulator-name = "VCI_3.0V_LCD";
+	regulator-min-microvolt = <3000000>;
+	regulator-max-microvolt = <3000000>;
+};
+
+&s5c73m3 {
+	standby-gpios = <&gpm0 6 GPIO_ACTIVE_LOW>;   /* ISP_STANDBY */
+	vdda-supply = <&cam_vdda_reg>;
+	status = "okay";
+};