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 #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 };