arch/arm/boot/dts/exynos4210-origen.dts

   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/input/input.h>
  20
  21 / {
  22         model = "Insignal Origen evaluation board based on Exynos4210";
  23         compatible = "insignal,origen", "samsung,exynos4210", "samsung,exynos4";
  24
  25         memory {
  26                 reg = <0x40000000 0x10000000
  27                        0x50000000 0x10000000
  28                        0x60000000 0x10000000
  29                        0x70000000 0x10000000>;
  30         };
  31
  32         chosen {
  33                 bootargs ="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC2,115200 init=/linuxrc";
  34                 stdout-path = &serial_2;
  35         };
  36
  37         regulators {
  38                 compatible = "simple-bus";
  39                 #address-cells = <1>;
  40                 #size-cells = <0>;
  41
  42                 mmc_reg: regulator@0 {
  43                         compatible = "regulator-fixed";
  44                         reg = <0>;
  45                         regulator-name = "VMEM_VDD_2.8V";
  46                         regulator-min-microvolt = <2800000>;
  47                         regulator-max-microvolt = <2800000>;
  48                         gpio = <&gpx1 1 0>;
  49                         enable-active-high;
  50                 };
  51         };
  52
  53         gpio_keys {
  54                 compatible = "gpio-keys";
  55                 #address-cells = <1>;
  56                 #size-cells = <0>;
  57
  58                 up {
  59                         label = "Up";
  60                         gpios = <&gpx2 0 1>;
  61                         linux,code = <KEY_UP>;
  62                         gpio-key,wakeup;
  63                 };
  64
  65                 down {
  66                         label = "Down";
  67                         gpios = <&gpx2 1 1>;
  68                         linux,code = <KEY_DOWN>;
  69                         gpio-key,wakeup;
  70                 };
  71
  72                 back {
  73                         label = "Back";
  74                         gpios = <&gpx1 7 1>;
  75                         linux,code = <KEY_BACK>;
  76                         gpio-key,wakeup;
  77                 };
  78
  79                 home {
  80                         label = "Home";
  81                         gpios = <&gpx1 6 1>;
  82                         linux,code = <KEY_HOME>;
  83                         gpio-key,wakeup;
  84                 };
  85
  86                 menu {
  87                         label = "Menu";
  88                         gpios = <&gpx1 5 1>;
  89                         linux,code = <KEY_MENU>;
  90                         gpio-key,wakeup;
  91                 };
  92         };
  93
  94         leds {
  95                 compatible = "gpio-leds";
  96                 status {
  97                         gpios = <&gpx1 3 1>;
  98                         linux,default-trigger = "heartbeat";
  99                 };
 100         };
 101
 102         fixed-rate-clocks {
 103                 xxti {
 104                         compatible = "samsung,clock-xxti";
 105                         clock-frequency = <0>;
 106                 };
 107
 108                 xusbxti {
 109                         compatible = "samsung,clock-xusbxti";
 110                         clock-frequency = <24000000>;
 111                 };
 112         };
 113
 114         display-timings {
 115                 native-mode = <&timing0>;
 116                 timing0: timing {
 117                         clock-frequency = <47500000>;
 118                         hactive = <1024>;
 119                         vactive = <600>;
 120                         hfront-porch = <64>;
 121                         hback-porch = <16>;
 122                         hsync-len = <48>;
 123                         vback-porch = <64>;
 124                         vfront-porch = <16>;
 125                         vsync-len = <3>;
 126                 };
 127         };
 128 };
 129
 130 &cpu0 {
 131         cpu0-supply = <&buck1_reg>;
 132 };
 133
 134 &fimd {
 135         pinctrl-0 = <&lcd_en &lcd_clk &lcd_data24 &pwm0_out>;
 136         pinctrl-names = "default";
 137         status = "okay";
 138 };
 139
 140 &g2d {
 141         status = "okay";
 142 };
 143
 144 &i2c_0 {
 145         status = "okay";
 146         samsung,i2c-sda-delay = <100>;
 147         samsung,i2c-max-bus-freq = <20000>;
 148         pinctrl-0 = <&i2c0_bus>;
 149         pinctrl-names = "default";
 150
 151         max8997_pmic@66 {
 152                 compatible = "maxim,max8997-pmic";
 153                 reg = <0x66>;
 154                 interrupt-parent = <&gpx0>;
 155                 interrupts = <4 0>, <3 0>;
 156
 157                 max8997,pmic-buck1-dvs-voltage = <1350000>;
 158                 max8997,pmic-buck2-dvs-voltage = <1100000>;
 159                 max8997,pmic-buck5-dvs-voltage = <1200000>;
 160
 161                 regulators {
 162                         ldo1_reg: LDO1 {
 163                                 regulator-name = "VDD_ABB_3.3V";
 164                                 regulator-min-microvolt = <3300000>;
 165                                 regulator-max-microvolt = <3300000>;
 166                         };
 167
 168                         ldo2_reg: LDO2 {
 169                                 regulator-name = "VDD_ALIVE_1.1V";
 170                                 regulator-min-microvolt = <1100000>;
 171                                 regulator-max-microvolt = <1100000>;
 172                                 regulator-always-on;
 173                         };
 174
 175                         ldo3_reg: LDO3 {
 176                                 regulator-name = "VMIPI_1.1V";
 177                                 regulator-min-microvolt = <1100000>;
 178                                 regulator-max-microvolt = <1100000>;
 179                         };
 180
 181                         ldo4_reg: LDO4 {
 182                                 regulator-name = "VDD_RTC_1.8V";
 183                                 regulator-min-microvolt = <1800000>;
 184                                 regulator-max-microvolt = <1800000>;
 185                                 regulator-always-on;
 186                         };
 187
 188                         ldo6_reg: LDO6 {
 189                                 regulator-name = "VMIPI_1.8V";
 190                                 regulator-min-microvolt = <1800000>;
 191                                 regulator-max-microvolt = <1800000>;
 192                                 regulator-always-on;
 193                         };
 194
 195                         ldo7_reg: LDO7 {
 196                                 regulator-name = "VDD_AUD_1.8V";
 197                                 regulator-min-microvolt = <1800000>;
 198                                 regulator-max-microvolt = <1800000>;
 199                         };
 200
 201                         ldo8_reg: LDO8 {
 202                                 regulator-name = "VADC_3.3V";
 203                                 regulator-min-microvolt = <3300000>;
 204                                 regulator-max-microvolt = <3300000>;
 205                         };
 206
 207                         ldo9_reg: LDO9 {
 208                                 regulator-name = "DVDD_SWB_2.8V";
 209                                 regulator-min-microvolt = <2800000>;
 210                                 regulator-max-microvolt = <2800000>;
 211                                 regulator-always-on;
 212                         };
 213
 214                         ldo10_reg: LDO10 {
 215                                 regulator-name = "VDD_PLL_1.1V";
 216                                 regulator-min-microvolt = <1100000>;
 217                                 regulator-max-microvolt = <1100000>;
 218                                 regulator-always-on;
 219                         };
 220
 221                         ldo11_reg: LDO11 {
 222                                 regulator-name = "VDD_AUD_3V";
 223                                 regulator-min-microvolt = <3000000>;
 224                                 regulator-max-microvolt = <3000000>;
 225                         };
 226
 227                         ldo14_reg: LDO14 {
 228                                 regulator-name = "AVDD18_SWB_1.8V";
 229                                 regulator-min-microvolt = <1800000>;
 230                                 regulator-max-microvolt = <1800000>;
 231                                 regulator-always-on;
 232                         };
 233
 234                         ldo17_reg: LDO17 {
 235                                 regulator-name = "VDD_SWB_3.3V";
 236                                 regulator-min-microvolt = <3300000>;
 237                                 regulator-max-microvolt = <3300000>;
 238                                 regulator-always-on;
 239                         };
 240
 241                         ldo21_reg: LDO21 {
 242                                 regulator-name = "VDD_MIF_1.2V";
 243                                 regulator-min-microvolt = <1200000>;
 244                                 regulator-max-microvolt = <1200000>;
 245                                 regulator-always-on;
 246                         };
 247
 248                         buck1_reg: BUCK1 {
 249                                 /*
 250                                 * HACK: The real name is VDD_ARM_1.2V,
 251                                 * but exynos-cpufreq does not support
 252                                 * DT-based regulator lookup yet.
 253                                 */
 254                                 regulator-name = "vdd_arm";
 255                                 regulator-min-microvolt = <950000>;
 256                                 regulator-max-microvolt = <1350000>;
 257                                 regulator-always-on;
 258                                 regulator-boot-on;
 259                         };
 260
 261                         buck2_reg: BUCK2 {
 262                                 regulator-name = "VDD_INT_1.1V";
 263                                 regulator-min-microvolt = <900000>;
 264                                 regulator-max-microvolt = <1100000>;
 265                                 regulator-always-on;
 266                                 regulator-boot-on;
 267                         };
 268
 269                         buck3_reg: BUCK3 {
 270                                 regulator-name = "VDD_G3D_1.1V";
 271                                 regulator-min-microvolt = <900000>;
 272                                 regulator-max-microvolt = <1100000>;
 273                         };
 274
 275                         buck5_reg: BUCK5 {
 276                                 regulator-name = "VDDQ_M1M2_1.2V";
 277                                 regulator-min-microvolt = <1200000>;
 278                                 regulator-max-microvolt = <1200000>;
 279                                 regulator-always-on;
 280                         };
 281
 282                         buck7_reg: BUCK7 {
 283                                 regulator-name = "VDD_LCD_3.3V";
 284                                 regulator-min-microvolt = <3300000>;
 285                                 regulator-max-microvolt = <3300000>;
 286                                 regulator-boot-on;
 287                                 regulator-always-on;
 288                         };
 289                 };
 290         };
 291 };
 292
 293 &mfc {
 294         samsung,mfc-r = <0x43000000 0x800000>;
 295         samsung,mfc-l = <0x51000000 0x800000>;
 296         status = "okay";
 297 };
 298
 299 &sdhci_0 {
 300         bus-width = <4>;
 301         pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_cd>;
 302         pinctrl-names = "default";
 303         vmmc-supply = <&mmc_reg>;
 304         status = "okay";
 305 };
 306
 307 &sdhci_2 {
 308         bus-width = <4>;
 309         pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
 310         pinctrl-names = "default";
 311         vmmc-supply = <&mmc_reg>;
 312         status = "okay";
 313 };
 314
 315 &serial_0 {
 316         status = "okay";
 317 };
 318
 319 &serial_1 {
 320         status = "okay";
 321 };
 322
 323 &serial_2 {
 324         status = "okay";
 325 };
 326
 327 &serial_3 {
 328         status = "okay";
 329 };
 330
 331 &rtc {
 332         status = "okay";
 333 };
 334
 335 &tmu {
 336         status = "okay";
 337 };
 338
 339 &watchdog {
 340         status = "okay";
 341 };