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