1/* 2 * Samsung's Exynos4210 based Origen board device tree source 3 * 4 * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. 5 * http://www.samsung.com 6 * Copyright (c) 2010-2011 Linaro Ltd. 7 * www.linaro.org 8 * 9 * Device tree source file for Insignal's Origen board which is based on 10 * Samsung's Exynos4210 SoC. 11 * 12 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of the GNU General Public License version 2 as 14 * published by the Free Software Foundation. 15*/ 16 17/dts-v1/; 18#include "exynos4210.dtsi" 19#include <dt-bindings/gpio/gpio.h> 20#include <dt-bindings/input/input.h> 21#include "exynos-mfc-reserved-memory.dtsi" 22 23/ { 24 model = "Insignal Origen evaluation board based on Exynos4210"; 25 compatible = "insignal,origen", "samsung,exynos4210", "samsung,exynos4"; 26 27 memory@40000000 { 28 device_type = "memory"; 29 reg = <0x40000000 0x10000000 30 0x50000000 0x10000000 31 0x60000000 0x10000000 32 0x70000000 0x10000000>; 33 }; 34 35 chosen { 36 bootargs ="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC2,115200 init=/linuxrc"; 37 stdout-path = &serial_2; 38 }; 39 40 regulators { 41 compatible = "simple-bus"; 42 #address-cells = <1>; 43 #size-cells = <0>; 44 45 mmc_reg: regulator@0 { 46 compatible = "regulator-fixed"; 47 reg = <0>; 48 regulator-name = "VMEM_VDD_2.8V"; 49 regulator-min-microvolt = <2800000>; 50 regulator-max-microvolt = <2800000>; 51 gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>; 52 enable-active-high; 53 }; 54 }; 55 56 gpio_keys { 57 compatible = "gpio-keys"; 58 #address-cells = <1>; 59 #size-cells = <0>; 60 61 up { 62 label = "Up"; 63 gpios = <&gpx2 0 GPIO_ACTIVE_LOW>; 64 linux,code = <KEY_UP>; 65 wakeup-source; 66 }; 67 68 down { 69 label = "Down"; 70 gpios = <&gpx2 1 GPIO_ACTIVE_LOW>; 71 linux,code = <KEY_DOWN>; 72 wakeup-source; 73 }; 74 75 back { 76 label = "Back"; 77 gpios = <&gpx1 7 GPIO_ACTIVE_LOW>; 78 linux,code = <KEY_BACK>; 79 wakeup-source; 80 }; 81 82 home { 83 label = "Home"; 84 gpios = <&gpx1 6 GPIO_ACTIVE_LOW>; 85 linux,code = <KEY_HOME>; 86 wakeup-source; 87 }; 88 89 menu { 90 label = "Menu"; 91 gpios = <&gpx1 5 GPIO_ACTIVE_LOW>; 92 linux,code = <KEY_MENU>; 93 wakeup-source; 94 }; 95 }; 96 97 leds { 98 compatible = "gpio-leds"; 99 status { 100 gpios = <&gpx1 3 GPIO_ACTIVE_LOW>; 101 linux,default-trigger = "heartbeat"; 102 }; 103 }; 104 105 fixed-rate-clocks { 106 xxti { 107 compatible = "samsung,clock-xxti"; 108 clock-frequency = <0>; 109 }; 110 111 xusbxti { 112 compatible = "samsung,clock-xusbxti"; 113 clock-frequency = <24000000>; 114 }; 115 }; 116 117 display-timings { 118 native-mode = <&timing0>; 119 timing0: timing { 120 clock-frequency = <47500000>; 121 hactive = <1024>; 122 vactive = <600>; 123 hfront-porch = <64>; 124 hback-porch = <16>; 125 hsync-len = <48>; 126 vback-porch = <64>; 127 vfront-porch = <16>; 128 vsync-len = <3>; 129 }; 130 }; 131}; 132 133&cpu0 { 134 cpu0-supply = <&buck1_reg>; 135}; 136 137&fimd { 138 pinctrl-0 = <&lcd_en &lcd_clk &lcd_data24 &pwm0_out>; 139 pinctrl-names = "default"; 140 status = "okay"; 141}; 142 143&i2c_0 { 144 status = "okay"; 145 samsung,i2c-sda-delay = <100>; 146 samsung,i2c-max-bus-freq = <20000>; 147 pinctrl-0 = <&i2c0_bus>; 148 pinctrl-names = "default"; 149 150 max8997_pmic@66 { 151 compatible = "maxim,max8997-pmic"; 152 reg = <0x66>; 153 interrupt-parent = <&gpx0>; 154 interrupts = <4 0>, <3 0>; 155 156 max8997,pmic-buck1-dvs-voltage = <1350000>; 157 max8997,pmic-buck2-dvs-voltage = <1100000>; 158 max8997,pmic-buck5-dvs-voltage = <1200000>; 159 160 regulators { 161 ldo1_reg: LDO1 { 162 regulator-name = "VDD_ABB_3.3V"; 163 regulator-min-microvolt = <3300000>; 164 regulator-max-microvolt = <3300000>; 165 }; 166 167 ldo2_reg: LDO2 { 168 regulator-name = "VDD_ALIVE_1.1V"; 169 regulator-min-microvolt = <1100000>; 170 regulator-max-microvolt = <1100000>; 171 regulator-always-on; 172 }; 173 174 ldo3_reg: LDO3 { 175 regulator-name = "VMIPI_1.1V"; 176 regulator-min-microvolt = <1100000>; 177 regulator-max-microvolt = <1100000>; 178 }; 179 180 ldo4_reg: LDO4 { 181 regulator-name = "VDD_RTC_1.8V"; 182 regulator-min-microvolt = <1800000>; 183 regulator-max-microvolt = <1800000>; 184 regulator-always-on; 185 }; 186 187 ldo6_reg: LDO6 { 188 regulator-name = "VMIPI_1.8V"; 189 regulator-min-microvolt = <1800000>; 190 regulator-max-microvolt = <1800000>; 191 regulator-always-on; 192 }; 193 194 ldo7_reg: LDO7 { 195 regulator-name = "VDD_AUD_1.8V"; 196 regulator-min-microvolt = <1800000>; 197 regulator-max-microvolt = <1800000>; 198 }; 199 200 ldo8_reg: LDO8 { 201 regulator-name = "VADC_3.3V"; 202 regulator-min-microvolt = <3300000>; 203 regulator-max-microvolt = <3300000>; 204 }; 205 206 ldo9_reg: LDO9 { 207 regulator-name = "DVDD_SWB_2.8V"; 208 regulator-min-microvolt = <2800000>; 209 regulator-max-microvolt = <2800000>; 210 regulator-always-on; 211 }; 212 213 ldo10_reg: LDO10 { 214 regulator-name = "VDD_PLL_1.1V"; 215 regulator-min-microvolt = <1100000>; 216 regulator-max-microvolt = <1100000>; 217 regulator-always-on; 218 }; 219 220 ldo11_reg: LDO11 { 221 regulator-name = "VDD_AUD_3V"; 222 regulator-min-microvolt = <3000000>; 223 regulator-max-microvolt = <3000000>; 224 }; 225 226 ldo14_reg: LDO14 { 227 regulator-name = "AVDD18_SWB_1.8V"; 228 regulator-min-microvolt = <1800000>; 229 regulator-max-microvolt = <1800000>; 230 regulator-always-on; 231 }; 232 233 ldo17_reg: LDO17 { 234 regulator-name = "VDD_SWB_3.3V"; 235 regulator-min-microvolt = <3300000>; 236 regulator-max-microvolt = <3300000>; 237 regulator-always-on; 238 }; 239 240 ldo21_reg: LDO21 { 241 regulator-name = "VDD_MIF_1.2V"; 242 regulator-min-microvolt = <1200000>; 243 regulator-max-microvolt = <1200000>; 244 regulator-always-on; 245 }; 246 247 buck1_reg: BUCK1 { 248 /* 249 * HACK: The real name is VDD_ARM_1.2V, 250 * but exynos-cpufreq does not support 251 * DT-based regulator lookup yet. 252 */ 253 regulator-name = "vdd_arm"; 254 regulator-min-microvolt = <950000>; 255 regulator-max-microvolt = <1350000>; 256 regulator-always-on; 257 regulator-boot-on; 258 }; 259 260 buck2_reg: BUCK2 { 261 regulator-name = "VDD_INT_1.1V"; 262 regulator-min-microvolt = <900000>; 263 regulator-max-microvolt = <1100000>; 264 regulator-always-on; 265 regulator-boot-on; 266 }; 267 268 buck3_reg: BUCK3 { 269 regulator-name = "VDD_G3D_1.1V"; 270 regulator-min-microvolt = <900000>; 271 regulator-max-microvolt = <1100000>; 272 }; 273 274 buck5_reg: BUCK5 { 275 regulator-name = "VDDQ_M1M2_1.2V"; 276 regulator-min-microvolt = <1200000>; 277 regulator-max-microvolt = <1200000>; 278 regulator-always-on; 279 }; 280 281 buck7_reg: BUCK7 { 282 regulator-name = "VDD_LCD_3.3V"; 283 regulator-min-microvolt = <3300000>; 284 regulator-max-microvolt = <3300000>; 285 regulator-boot-on; 286 regulator-always-on; 287 }; 288 }; 289 }; 290}; 291 292&sdhci_0 { 293 bus-width = <4>; 294 pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_cd>; 295 pinctrl-names = "default"; 296 vmmc-supply = <&mmc_reg>; 297 status = "okay"; 298}; 299 300&sdhci_2 { 301 bus-width = <4>; 302 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>; 303 pinctrl-names = "default"; 304 vmmc-supply = <&mmc_reg>; 305 status = "okay"; 306}; 307 308&serial_0 { 309 status = "okay"; 310}; 311 312&serial_1 { 313 status = "okay"; 314}; 315 316&serial_2 { 317 status = "okay"; 318}; 319 320&serial_3 { 321 status = "okay"; 322}; 323 324&rtc { 325 status = "okay"; 326}; 327 328&tmu { 329 status = "okay"; 330}; 331 332&watchdog { 333 status = "okay"; 334}; 335