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         };
  35
  36         regulators {
  37                 compatible = "simple-bus";
  38                 #address-cells = <1>;
  39                 #size-cells = <0>;
  40
  41                 mmc_reg: regulator@0 {
  42                         compatible = "regulator-fixed";
  43                         reg = <0>;
  44                         regulator-name = "VMEM_VDD_2.8V";
  45                         regulator-min-microvolt = <2800000>;
  46                         regulator-max-microvolt = <2800000>;
  47                         gpio = <&gpx1 1 0>;
  48                         enable-active-high;
  49                 };
  50         };
  51
  52         watchdog@10060000 {
  53                 status = "okay";
  54         };
  55
  56         rtc@10070000 {
  57                 status = "okay";
  58         };
  59
  60         tmu@100C0000 {
  61                 status = "okay";
  62         };
  63
  64         sdhci@12530000 {
  65                 bus-width = <4>;
  66                 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
  67                 pinctrl-names = "default";
  68                 vmmc-supply = <&mmc_reg>;
  69                 status = "okay";
  70         };
  71
  72         sdhci@12510000 {
  73                 bus-width = <4>;
  74                 pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_cd>;
  75                 pinctrl-names = "default";
  76                 vmmc-supply = <&mmc_reg>;
  77                 status = "okay";
  78         };
  79
  80         g2d@12800000 {
  81                 status = "okay";
  82         };
  83
  84         codec@13400000 {
  85                 samsung,mfc-r = <0x43000000 0x800000>;
  86                 samsung,mfc-l = <0x51000000 0x800000>;
  87                 status = "okay";
  88         };
  89
  90         serial@13800000 {
  91                 status = "okay";
  92         };
  93
  94         serial@13810000 {
  95                 status = "okay";
  96         };
  97
  98         serial@13820000 {
  99                 status = "okay";
 100         };
 101
 102         serial@13830000 {
 103                 status = "okay";
 104         };
 105
 106         i2c@13860000 {
 107                 status = "okay";
 108                 samsung,i2c-sda-delay = <100>;
 109                 samsung,i2c-max-bus-freq = <20000>;
 110                 pinctrl-0 = <&i2c0_bus>;
 111                 pinctrl-names = "default";
 112
 113                 max8997_pmic@66 {
 114                         compatible = "maxim,max8997-pmic";
 115                         reg = <0x66>;
 116                         interrupt-parent = <&gpx0>;
 117                         interrupts = <4 0>, <3 0>;
 118
 119                         max8997,pmic-buck1-dvs-voltage = <1350000>;
 120                         max8997,pmic-buck2-dvs-voltage = <1100000>;
 121                         max8997,pmic-buck5-dvs-voltage = <1200000>;
 122
 123                         regulators {
 124                                 ldo1_reg: LDO1 {
 125                                         regulator-name = "VDD_ABB_3.3V";
 126                                         regulator-min-microvolt = <3300000>;
 127                                         regulator-max-microvolt = <3300000>;
 128                                 };
 129
 130                                 ldo2_reg: LDO2 {
 131                                         regulator-name = "VDD_ALIVE_1.1V";
 132                                         regulator-min-microvolt = <1100000>;
 133                                         regulator-max-microvolt = <1100000>;
 134                                         regulator-always-on;
 135                                 };
 136
 137                                 ldo3_reg: LDO3 {
 138                                         regulator-name = "VMIPI_1.1V";
 139                                         regulator-min-microvolt = <1100000>;
 140                                         regulator-max-microvolt = <1100000>;
 141                                 };
 142
 143                                 ldo4_reg: LDO4 {
 144                                         regulator-name = "VDD_RTC_1.8V";
 145                                         regulator-min-microvolt = <1800000>;
 146                                         regulator-max-microvolt = <1800000>;
 147                                         regulator-always-on;
 148                                 };
 149
 150                                 ldo6_reg: LDO6 {
 151                                         regulator-name = "VMIPI_1.8V";
 152                                         regulator-min-microvolt = <1800000>;
 153                                         regulator-max-microvolt = <1800000>;
 154                                         regulator-always-on;
 155                                 };
 156
 157                                 ldo7_reg: LDO7 {
 158                                         regulator-name = "VDD_AUD_1.8V";
 159                                         regulator-min-microvolt = <1800000>;
 160                                         regulator-max-microvolt = <1800000>;
 161                                 };
 162
 163                                 ldo8_reg: LDO8 {
 164                                         regulator-name = "VADC_3.3V";
 165                                         regulator-min-microvolt = <3300000>;
 166                                         regulator-max-microvolt = <3300000>;
 167                                 };
 168
 169                                 ldo9_reg: LDO9 {
 170                                         regulator-name = "DVDD_SWB_2.8V";
 171                                         regulator-min-microvolt = <2800000>;
 172                                         regulator-max-microvolt = <2800000>;
 173                                         regulator-always-on;
 174                                 };
 175
 176                                 ldo10_reg: LDO10 {
 177                                         regulator-name = "VDD_PLL_1.1V";
 178                                         regulator-min-microvolt = <1100000>;
 179                                         regulator-max-microvolt = <1100000>;
 180                                         regulator-always-on;
 181                                 };
 182
 183                                 ldo11_reg: LDO11 {
 184                                         regulator-name = "VDD_AUD_3V";
 185                                         regulator-min-microvolt = <3000000>;
 186                                         regulator-max-microvolt = <3000000>;
 187                                 };
 188
 189                                 ldo14_reg: LDO14 {
 190                                         regulator-name = "AVDD18_SWB_1.8V";
 191                                         regulator-min-microvolt = <1800000>;
 192                                         regulator-max-microvolt = <1800000>;
 193                                         regulator-always-on;
 194                                 };
 195
 196                                 ldo17_reg: LDO17 {
 197                                         regulator-name = "VDD_SWB_3.3V";
 198                                         regulator-min-microvolt = <3300000>;
 199                                         regulator-max-microvolt = <3300000>;
 200                                         regulator-always-on;
 201                                 };
 202
 203                                 ldo21_reg: LDO21 {
 204                                         regulator-name = "VDD_MIF_1.2V";
 205                                         regulator-min-microvolt = <1200000>;
 206                                         regulator-max-microvolt = <1200000>;
 207                                         regulator-always-on;
 208                                 };
 209
 210                                 buck1_reg: BUCK1 {
 211                                         /*
 212                                         * HACK: The real name is VDD_ARM_1.2V,
 213                                         * but exynos-cpufreq does not support
 214                                         * DT-based regulator lookup yet.
 215                                         */
 216                                         regulator-name = "vdd_arm";
 217                                         regulator-min-microvolt = <950000>;
 218                                         regulator-max-microvolt = <1350000>;
 219                                         regulator-always-on;
 220                                         regulator-boot-on;
 221                                 };
 222
 223                                 buck2_reg: BUCK2 {
 224                                         regulator-name = "VDD_INT_1.1V";
 225                                         regulator-min-microvolt = <900000>;
 226                                         regulator-max-microvolt = <1100000>;
 227                                         regulator-always-on;
 228                                         regulator-boot-on;
 229                                 };
 230
 231                                 buck3_reg: BUCK3 {
 232                                         regulator-name = "VDD_G3D_1.1V";
 233                                         regulator-min-microvolt = <900000>;
 234                                         regulator-max-microvolt = <1100000>;
 235                                 };
 236
 237                                 buck5_reg: BUCK5 {
 238                                         regulator-name = "VDDQ_M1M2_1.2V";
 239                                         regulator-min-microvolt = <1200000>;
 240                                         regulator-max-microvolt = <1200000>;
 241                                         regulator-always-on;
 242                                 };
 243
 244                                 buck7_reg: BUCK7 {
 245                                         regulator-name = "VDD_LCD_3.3V";
 246                                         regulator-min-microvolt = <3300000>;
 247                                         regulator-max-microvolt = <3300000>;
 248                                         regulator-boot-on;
 249                                         regulator-always-on;
 250                                 };
 251                         };
 252                 };
 253         };
 254
 255         gpio_keys {
 256                 compatible = "gpio-keys";
 257                 #address-cells = <1>;
 258                 #size-cells = <0>;
 259
 260                 up {
 261                         label = "Up";
 262                         gpios = <&gpx2 0 1>;
 263                         linux,code = <KEY_UP>;
 264                         gpio-key,wakeup;
 265                 };
 266
 267                 down {
 268                         label = "Down";
 269                         gpios = <&gpx2 1 1>;
 270                         linux,code = <KEY_DOWN>;
 271                         gpio-key,wakeup;
 272                 };
 273
 274                 back {
 275                         label = "Back";
 276                         gpios = <&gpx1 7 1>;
 277                         linux,code = <KEY_BACK>;
 278                         gpio-key,wakeup;
 279                 };
 280
 281                 home {
 282                         label = "Home";
 283                         gpios = <&gpx1 6 1>;
 284                         linux,code = <KEY_HOME>;
 285                         gpio-key,wakeup;
 286                 };
 287
 288                 menu {
 289                         label = "Menu";
 290                         gpios = <&gpx1 5 1>;
 291                         linux,code = <KEY_MENU>;
 292                         gpio-key,wakeup;
 293                 };
 294         };
 295
 296         leds {
 297                 compatible = "gpio-leds";
 298                 status {
 299                         gpios = <&gpx1 3 1>;
 300                         linux,default-trigger = "heartbeat";
 301                 };
 302         };
 303
 304         fixed-rate-clocks {
 305                 xxti {
 306                         compatible = "samsung,clock-xxti";
 307                         clock-frequency = <0>;
 308                 };
 309
 310                 xusbxti {
 311                         compatible = "samsung,clock-xusbxti";
 312                         clock-frequency = <24000000>;
 313                 };
 314         };
 315
 316         fimd@11c00000 {
 317                 pinctrl-0 = <&lcd_en &lcd_clk &lcd_data24 &pwm0_out>;
 318                 pinctrl-names = "default";
 319                 status = "okay";
 320         };
 321
 322         display-timings {
 323                 native-mode = <&timing0>;
 324                 timing0: timing {
 325                         clock-frequency = <47500000>;
 326                         hactive = <1024>;
 327                         vactive = <600>;
 328                         hfront-porch = <64>;
 329                         hback-porch = <16>;
 330                         hsync-len = <48>;
 331                         vback-porch = <64>;
 332                         vfront-porch = <16>;
 333                         vsync-len = <3>;
 334                 };
 335         };
 336 };