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