ARM: dts: Add basic dts for Exynos4412-based Trats 2 board

This patch introduces device tree sources for Samsung Trats 2 board
based on Exynos4412 SoC.

Currently support includes:
 - eMMC,
 - main PMIC (max77686),
 - serial ports,
 - GPIO keys,
 - touchscreen.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

2 files changed, 457 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index ad340e40fb4a..68701d937741 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -55,6 +55,7 @@ dtb-$(CONFIG_ARCH_EXYNOS) += exynos4210-origen.dtb \
 	exynos4412-odroidx.dtb \
 	exynos4412-origen.dtb \
 	exynos4412-smdk4412.dtb \
+	exynos4412-trats2.dtb \
 	exynos5250-arndale.dtb \
 	exynos5250-smdk5250.dtb \
 	exynos5250-snow.dtb \
diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts
new file mode 100644
index 000000000000..056b8358ec36
--- /dev/null
+++ b/arch/arm/boot/dts/exynos4412-trats2.dts
@@ -0,0 +1,456 @@
+/*
+ * Samsung's Exynos4412 based Trats 2 board device tree source
+ *
+ * Copyright (c) 2013 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * Device tree source file for Samsung's Trats 2 board which is based on
+ * Samsung's Exynos4412 SoC.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+/dts-v1/;
+#include "exynos4412.dtsi"
+
+/ {
+	model = "Samsung Trats 2 based on Exynos4412";
+	compatible = "samsung,trats2", "samsung,exynos4412";
+
+	memory {
+		reg =  <0x40000000 0x40000000>;
+	};
+
+	chosen {
+		bootargs = "console=ttySAC2,115200N8 root=/dev/mmcblk0p5 rootwait earlyprintk panic=5";
+	};
+
+	firmware@0204F000 {
+		compatible = "samsung,secure-firmware";
+		reg = <0x0204F000 0x1000>;
+	};
+
+	fixed-rate-clocks {
+		xxti {
+			compatible = "samsung,clock-xxti", "fixed-clock";
+			clock-frequency = <0>;
+		};
+
+		xusbxti {
+			compatible = "samsung,clock-xusbxti", "fixed-clock";
+			clock-frequency = <24000000>;
+		};
+	};
+
+	regulators {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		vemmc_reg: regulator-0 {
+			compatible = "regulator-fixed";
+			regulator-name = "VMEM_VDD_2.8V";
+			regulator-min-microvolt = <2800000>;
+			regulator-max-microvolt = <2800000>;
+			gpio = <&gpk0 2 0>;
+			enable-active-high;
+		};
+
+		/* More to come */
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		key-down {
+			interrupt-parent = <&gpj1>;
+			interrupts = <2 0>;
+			gpios = <&gpj1 2 1>;
+			linux,code = <114>;
+			label = "volume down";
+			debounce-interval = <10>;
+		};
+
+		key-up {
+			interrupt-parent = <&gpj1>;
+			interrupts = <1 0>;
+			gpios = <&gpj1 1 1>;
+			linux,code = <115>;
+			label = "volume up";
+			debounce-interval = <10>;
+		};
+
+		key-power {
+			interrupt-parent = <&gpx2>;
+			interrupts = <7 0>;
+			gpios = <&gpx2 7 1>;
+			linux,code = <116>;
+			label = "power";
+			debounce-interval = <10>;
+			gpio-key,wakeup;
+		};
+	};
+
+	i2c@13890000 {
+		samsung,i2c-sda-delay = <100>;
+		samsung,i2c-slave-addr = <0x10>;
+		samsung,i2c-max-bus-freq = <400000>;
+		pinctrl-0 = <&i2c3_bus>;
+		pinctrl-names = "default";
+		status = "okay";
+
+		mms114-touchscreen@48 {
+			compatible = "melfas,mms114";
+			reg = <0x48>;
+			interrupt-parent = <&gpm2>;
+			interrupts = <3 2>;
+			x-size = <720>;
+			y-size = <1280>;
+			avdd-supply = <&ldo23_reg>;
+			vdd-supply = <&ldo24_reg>;
+		};
+	};
+
+	i2c@138D0000 {
+		samsung,i2c-sda-delay = <100>;
+		samsung,i2c-slave-addr = <0x10>;
+		samsung,i2c-max-bus-freq = <100000>;
+		pinctrl-0 = <&i2c7_bus>;
+		pinctrl-names = "default";
+		status = "okay";
+
+		max77686_pmic@09 {
+			compatible = "maxim,max77686";
+			interrupt-parent = <&gpx0>;
+			interrupts = <7 0>;
+			reg = <0x09>;
+
+			voltage-regulators {
+				ldo1_reg: ldo1 {
+					regulator-compatible = "LDO1";
+					regulator-name = "VALIVE_1.0V_AP";
+					regulator-min-microvolt = <1000000>;
+					regulator-max-microvolt = <1000000>;
+					regulator-always-on;
+					regulator-mem-on;
+				};
+
+				ldo2_reg: ldo2 {
+					regulator-compatible = "LDO2";
+					regulator-name = "VM1M2_1.2V_AP";
+					regulator-min-microvolt = <1200000>;
+					regulator-max-microvolt = <1200000>;
+					regulator-always-on;
+					regulator-mem-on;
+				};
+
+				ldo3_reg: ldo3 {
+					regulator-compatible = "LDO3";
+					regulator-name = "VCC_1.8V_AP";
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+					regulator-always-on;
+					regulator-mem-on;
+				};
+
+				ldo4_reg: ldo4 {
+					regulator-compatible = "LDO4";
+					regulator-name = "VCC_2.8V_AP";
+					regulator-min-microvolt = <2800000>;
+					regulator-max-microvolt = <2800000>;
+					regulator-always-on;
+					regulator-mem-on;
+				};
+
+				ldo5_reg: ldo5 {
+					regulator-compatible = "LDO5";
+					regulator-name = "VCC_1.8V_IO";
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+					regulator-always-on;
+					regulator-mem-on;
+				};
+
+				ldo6_reg: ldo6 {
+					regulator-compatible = "LDO6";
+					regulator-name = "VMPLL_1.0V_AP";
+					regulator-min-microvolt = <1000000>;
+					regulator-max-microvolt = <1000000>;
+					regulator-always-on;
+					regulator-mem-on;
+				};
+
+				ldo7_reg: ldo7 {
+					regulator-compatible = "LDO7";
+					regulator-name = "VPLL_1.0V_AP";
+					regulator-min-microvolt = <1000000>;
+					regulator-max-microvolt = <1000000>;
+					regulator-always-on;
+					regulator-mem-on;
+				};
+
+				ldo8_reg: ldo8 {
+					regulator-compatible = "LDO8";
+					regulator-name = "VMIPI_1.0V";
+					regulator-min-microvolt = <1000000>;
+					regulator-max-microvolt = <1000000>;
+					regulator-mem-off;
+				};
+
+				ldo9_reg: ldo9 {
+					regulator-compatible = "LDO9";
+					regulator-name = "CAM_ISP_MIPI_1.2V";
+					regulator-min-microvolt = <1200000>;
+					regulator-max-microvolt = <1200000>;
+					regulator-mem-idle;
+				};
+
+				ldo10_reg: ldo10 {
+					regulator-compatible = "LDO10";
+					regulator-name = "VMIPI_1.8V";
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+					regulator-mem-off;
+				};
+
+				ldo11_reg: ldo11 {
+					regulator-compatible = "LDO11";
+					regulator-name = "VABB1_1.95V";
+					regulator-min-microvolt = <1950000>;
+					regulator-max-microvolt = <1950000>;
+					regulator-always-on;
+					regulator-mem-off;
+				};
+
+				ldo12_reg: ldo12 {
+					regulator-compatible = "LDO12";
+					regulator-name = "VUOTG_3.0V";
+					regulator-min-microvolt = <3000000>;
+					regulator-max-microvolt = <3000000>;
+					regulator-mem-off;
+				};
+
+				ldo13_reg: ldo13 {
+					regulator-compatible = "LDO13";
+					regulator-name = "NFC_AVDD_1.8V";
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+					regulator-mem-idle;
+				};
+
+				ldo14_reg: ldo14 {
+					regulator-compatible = "LDO14";
+					regulator-name = "VABB2_1.95V";
+					regulator-min-microvolt = <1950000>;
+					regulator-max-microvolt = <1950000>;
+					regulator-always-on;
+					regulator-mem-off;
+				};
+
+				ldo15_reg: ldo15 {
+					regulator-compatible = "LDO15";
+					regulator-name = "VHSIC_1.0V";
+					regulator-min-microvolt = <1000000>;
+					regulator-max-microvolt = <1000000>;
+					regulator-mem-off;
+				};
+
+				ldo16_reg: ldo16 {
+					regulator-compatible = "LDO16";
+					regulator-name = "VHSIC_1.8V";
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+					regulator-mem-off;
+				};
+
+				ldo17_reg: ldo17 {
+					regulator-compatible = "LDO17";
+					regulator-name = "CAM_SENSOR_CORE_1.2V";
+					regulator-min-microvolt = <1200000>;
+					regulator-max-microvolt = <1200000>;
+					regulator-mem-idle;
+				};
+
+				ldo18_reg: ldo18 {
+					regulator-compatible = "LDO18";
+					regulator-name = "CAM_ISP_SEN_IO_1.8V";
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+					regulator-mem-idle;
+				};
+
+				ldo19_reg: ldo19 {
+					regulator-compatible = "LDO19";
+					regulator-name = "VT_CAM_1.8V";
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+					regulator-mem-idle;
+				};
+
+				ldo20_reg: ldo20 {
+					regulator-compatible = "LDO20";
+					regulator-name = "VDDQ_PRE_1.8V";
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+					regulator-mem-idle;
+				};
+
+				ldo21_reg: ldo21 {
+					regulator-compatible = "LDO21";
+					regulator-name = "VTF_2.8V";
+					regulator-min-microvolt = <2800000>;
+					regulator-max-microvolt = <2800000>;
+					regulator-mem-idle;
+				};
+
+				ldo22_reg: ldo22 {
+					regulator-compatible = "LDO22";
+					regulator-name = "VMEM_VDD_2.8V";
+					regulator-min-microvolt = <2800000>;
+					regulator-max-microvolt = <2800000>;
+					regulator-always-on;
+					regulator-mem-off;
+				};
+
+				ldo23_reg: ldo23 {
+					regulator-compatible = "LDO23";
+					regulator-name = "TSP_AVDD_3.3V";
+					regulator-min-microvolt = <3300000>;
+					regulator-max-microvolt = <3300000>;
+					regulator-mem-idle;
+				};
+
+				ldo24_reg: ldo24 {
+					regulator-compatible = "LDO24";
+					regulator-name = "TSP_VDD_1.8V";
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+					regulator-mem-idle;
+				};
+
+				ldo25_reg: ldo25 {
+					regulator-compatible = "LDO25";
+					regulator-name = "LCD_VCC_3.3V";
+					regulator-min-microvolt = <2800000>;
+					regulator-max-microvolt = <2800000>;
+					regulator-mem-idle;
+				};
+
+				ldo26_reg: ldo26 {
+					regulator-compatible = "LDO26";
+					regulator-name = "MOTOR_VCC_3.0V";
+					regulator-min-microvolt = <3000000>;
+					regulator-max-microvolt = <3000000>;
+					regulator-mem-idle;
+				};
+
+				buck1_reg: buck1 {
+					regulator-compatible = "BUCK1";
+					regulator-name = "vdd_mif";
+					regulator-min-microvolt = <850000>;
+					regulator-max-microvolt = <1100000>;
+					regulator-always-on;
+					regulator-boot-on;
+					regulator-mem-off;
+				};
+
+				buck2_reg: buck2 {
+					regulator-compatible = "BUCK2";
+					regulator-name = "vdd_arm";
+					regulator-min-microvolt = <850000>;
+					regulator-max-microvolt = <1500000>;
+					regulator-always-on;
+					regulator-boot-on;
+					regulator-mem-off;
+				};
+
+				buck3_reg: buck3 {
+					regulator-compatible = "BUCK3";
+					regulator-name = "vdd_int";
+					regulator-min-microvolt = <850000>;
+					regulator-max-microvolt = <1150000>;
+					regulator-always-on;
+					regulator-boot-on;
+					regulator-mem-off;
+				};
+
+				buck4_reg: buck4 {
+					regulator-compatible = "BUCK4";
+					regulator-name = "vdd_g3d";
+					regulator-min-microvolt = <850000>;
+					regulator-max-microvolt = <1150000>;
+					regulator-boot-on;
+					regulator-mem-off;
+				};
+
+				buck5_reg: buck5 {
+					regulator-compatible = "BUCK5";
+					regulator-name = "VMEM_1.2V_AP";
+					regulator-min-microvolt = <1200000>;
+					regulator-max-microvolt = <1200000>;
+					regulator-always-on;
+				};
+
+				buck6_reg: buck6 {
+					regulator-compatible = "BUCK6";
+					regulator-name = "VCC_SUB_1.35V";
+					regulator-min-microvolt = <1350000>;
+					regulator-max-microvolt = <1350000>;
+					regulator-always-on;
+				};
+
+				buck7_reg: buck7 {
+					regulator-compatible = "BUCK7";
+					regulator-name = "VCC_SUB_2.0V";
+					regulator-min-microvolt = <2000000>;
+					regulator-max-microvolt = <2000000>;
+					regulator-always-on;
+				};
+
+				buck8_reg: buck8 {
+					regulator-compatible = "BUCK8";
+					regulator-name = "VMEM_VDDF_3.0V";
+					regulator-min-microvolt = <2850000>;
+					regulator-max-microvolt = <2850000>;
+					regulator-always-on;
+					regulator-mem-off;
+				};
+
+				buck9_reg: buck9 {
+					regulator-compatible = "BUCK9";
+					regulator-name = "CAM_ISP_CORE_1.2V";
+					regulator-min-microvolt = <1000000>;
+					regulator-max-microvolt = <1200000>;
+					regulator-mem-off;
+				};
+			};
+		};
+	};
+
+	sdhci@12510000 {
+		bus-width = <8>;
+		non-removable;
+		pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus8>;
+		pinctrl-names = "default";
+		vmmc-supply = <&vemmc_reg>;
+		status = "okay";
+	};
+
+	serial@13800000 {
+		status = "okay";
+	};
+
+	serial@13810000 {
+		status = "okay";
+	};
+
+	serial@13820000 {
+		status = "okay";
+	};
+
+	serial@13830000 {
+		status = "okay";
+	};
+};