kernel/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         watchdog@10060000 {
  54                 status = "okay";
  55         };
  56
  57         rtc@10070000 {
  58                 status = "okay";
  59         };
  60
  61         tmu@100C0000 {
  62                 status = "okay";
  63         };
  64
  65         sdhci@12530000 {
  66                 bus-width = <4>;
  67                 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
  68                 pinctrl-names = "default";
  69                 vmmc-supply = <&mmc_reg>;
  70                 status = "okay";
  71         };
  72
  73         sdhci@12510000 {
  74                 bus-width = <4>;
  75                 pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_cd>;
  76                 pinctrl-names = "default";
  77                 vmmc-supply = <&mmc_reg>;
  78                 status = "okay";
  79         };
  80
  81         g2d@12800000 {
  82                 status = "okay";
  83         };
  84
  85         codec@13400000 {
  86                 samsung,mfc-r = <0x43000000 0x800000>;
  87                 samsung,mfc-l = <0x51000000 0x800000>;
  88                 status = "okay";
  89         };
  90
  91         serial@13800000 {
  92                 status = "okay";
  93         };
  94
  95         serial@13810000 {
  96                 status = "okay";
  97         };
  98
  99         serial@13820000 {
 100                 status = "okay";
 101         };
 102
 103         serial@13830000 {
 104                 status = "okay";
 105         };
 106
 107         i2c@13860000 {
 108                 status = "okay";
 109                 samsung,i2c-sda-delay = <100>;
 110                 samsung,i2c-max-bus-freq = <20000>;
 111                 pinctrl-0 = <&i2c0_bus>;
 112                 pinctrl-names = "default";
 113
 114                 max8997_pmic@66 {
 115                         compatible = "maxim,max8997-pmic";
 116                         reg = <0x66>;
 117                         interrupt-parent = <&gpx0>;
 118                         interrupts = <4 0>, <3 0>;
 119
 120                         max8997,pmic-buck1-dvs-voltage = <1350000>;
 121                         max8997,pmic-buck2-dvs-voltage = <1100000>;
 122                         max8997,pmic-buck5-dvs-voltage = <1200000>;
 123
 124                         regulators {
 125                                 ldo1_reg: LDO1 {
 126                                         regulator-name = "VDD_ABB_3.3V";
 127                                         regulator-min-microvolt = <3300000>;
 128                                         regulator-max-microvolt = <3300000>;
 129                                 };
 130
 131                                 ldo2_reg: LDO2 {
 132                                         regulator-name = "VDD_ALIVE_1.1V";
 133                                         regulator-min-microvolt = <1100000>;
 134                                         regulator-max-microvolt = <1100000>;
 135                                         regulator-always-on;
 136                                 };
 137
 138                                 ldo3_reg: LDO3 {
 139                                         regulator-name = "VMIPI_1.1V";
 140                                         regulator-min-microvolt = <1100000>;
 141                                         regulator-max-microvolt = <1100000>;
 142                                 };
 143
 144                                 ldo4_reg: LDO4 {
 145                                         regulator-name = "VDD_RTC_1.8V";
 146                                         regulator-min-microvolt = <1800000>;
 147                                         regulator-max-microvolt = <1800000>;
 148                                         regulator-always-on;
 149                                 };
 150
 151                                 ldo6_reg: LDO6 {
 152                                         regulator-name = "VMIPI_1.8V";
 153                                         regulator-min-microvolt = <1800000>;
 154                                         regulator-max-microvolt = <1800000>;
 155                                         regulator-always-on;
 156                                 };
 157
 158                                 ldo7_reg: LDO7 {
 159                                         regulator-name = "VDD_AUD_1.8V";
 160                                         regulator-min-microvolt = <1800000>;
 161                                         regulator-max-microvolt = <1800000>;
 162                                 };
 163
 164                                 ldo8_reg: LDO8 {
 165                                         regulator-name = "VADC_3.3V";
 166                                         regulator-min-microvolt = <3300000>;
 167                                         regulator-max-microvolt = <3300000>;
 168                                 };
 169
 170                                 ldo9_reg: LDO9 {
 171                                         regulator-name = "DVDD_SWB_2.8V";
 172                                         regulator-min-microvolt = <2800000>;
 173                                         regulator-max-microvolt = <2800000>;
 174                                         regulator-always-on;
 175                                 };
 176
 177                                 ldo10_reg: LDO10 {
 178                                         regulator-name = "VDD_PLL_1.1V";
 179                                         regulator-min-microvolt = <1100000>;
 180                                         regulator-max-microvolt = <1100000>;
 181                                         regulator-always-on;
 182                                 };
 183
 184                                 ldo11_reg: LDO11 {
 185                                         regulator-name = "VDD_AUD_3V";
 186                                         regulator-min-microvolt = <3000000>;
 187                                         regulator-max-microvolt = <3000000>;
 188                                 };
 189
 190                                 ldo14_reg: LDO14 {
 191                                         regulator-name = "AVDD18_SWB_1.8V";
 192                                         regulator-min-microvolt = <1800000>;
 193                                         regulator-max-microvolt = <1800000>;
 194                                         regulator-always-on;
 195                                 };
 196
 197                                 ldo17_reg: LDO17 {
 198                                         regulator-name = "VDD_SWB_3.3V";
 199                                         regulator-min-microvolt = <3300000>;
 200                                         regulator-max-microvolt = <3300000>;
 201                                         regulator-always-on;
 202                                 };
 203
 204                                 ldo21_reg: LDO21 {
 205                                         regulator-name = "VDD_MIF_1.2V";
 206                                         regulator-min-microvolt = <1200000>;
 207                                         regulator-max-microvolt = <1200000>;
 208                                         regulator-always-on;
 209                                 };
 210
 211                                 buck1_reg: BUCK1 {
 212                                         /*
 213                                         * HACK: The real name is VDD_ARM_1.2V,
 214                                         * but exynos-cpufreq does not support
 215                                         * DT-based regulator lookup yet.
 216                                         */
 217                                         regulator-name = "vdd_arm";
 218                                         regulator-min-microvolt = <950000>;
 219                                         regulator-max-microvolt = <1350000>;
 220                                         regulator-always-on;
 221                                         regulator-boot-on;
 222                                 };
 223
 224                                 buck2_reg: BUCK2 {
 225                                         regulator-name = "VDD_INT_1.1V";
 226                                         regulator-min-microvolt = <900000>;
 227                                         regulator-max-microvolt = <1100000>;
 228                                         regulator-always-on;
 229                                         regulator-boot-on;
 230                                 };
 231
 232                                 buck3_reg: BUCK3 {
 233                                         regulator-name = "VDD_G3D_1.1V";
 234                                         regulator-min-microvolt = <900000>;
 235                                         regulator-max-microvolt = <1100000>;
 236                                 };
 237
 238                                 buck5_reg: BUCK5 {
 239                                         regulator-name = "VDDQ_M1M2_1.2V";
 240                                         regulator-min-microvolt = <1200000>;
 241                                         regulator-max-microvolt = <1200000>;
 242                                         regulator-always-on;
 243                                 };
 244
 245                                 buck7_reg: BUCK7 {
 246                                         regulator-name = "VDD_LCD_3.3V";
 247                                         regulator-min-microvolt = <3300000>;
 248                                         regulator-max-microvolt = <3300000>;
 249                                         regulator-boot-on;
 250                                         regulator-always-on;
 251                                 };
 252                         };
 253                 };
 254         };
 255
 256         gpio_keys {
 257                 compatible = "gpio-keys";
 258                 #address-cells = <1>;
 259                 #size-cells = <0>;
 260
 261                 up {
 262                         label = "Up";
 263                         gpios = <&gpx2 0 1>;
 264                         linux,code = <KEY_UP>;
 265                         gpio-key,wakeup;
 266                 };
 267
 268                 down {
 269                         label = "Down";
 270                         gpios = <&gpx2 1 1>;
 271                         linux,code = <KEY_DOWN>;
 272                         gpio-key,wakeup;
 273                 };
 274
 275                 back {
 276                         label = "Back";
 277                         gpios = <&gpx1 7 1>;
 278                         linux,code = <KEY_BACK>;
 279                         gpio-key,wakeup;
 280                 };
 281
 282                 home {
 283                         label = "Home";
 284                         gpios = <&gpx1 6 1>;
 285                         linux,code = <KEY_HOME>;
 286                         gpio-key,wakeup;
 287                 };
 288
 289                 menu {
 290                         label = "Menu";
 291                         gpios = <&gpx1 5 1>;
 292                         linux,code = <KEY_MENU>;
 293                         gpio-key,wakeup;
 294                 };
 295         };
 296
 297         leds {
 298                 compatible = "gpio-leds";
 299                 status {
 300                         gpios = <&gpx1 3 1>;
 301                         linux,default-trigger = "heartbeat";
 302                 };
 303         };
 304
 305         fixed-rate-clocks {
 306                 xxti {
 307                         compatible = "samsung,clock-xxti";
 308                         clock-frequency = <0>;
 309                 };
 310
 311                 xusbxti {
 312                         compatible = "samsung,clock-xusbxti";
 313                         clock-frequency = <24000000>;
 314                 };
 315         };
 316
 317         fimd@11c00000 {
 318                 pinctrl-0 = <&lcd_en &lcd_clk &lcd_data24 &pwm0_out>;
 319                 pinctrl-names = "default";
 320                 status = "okay";
 321         };
 322
 323         display-timings {
 324                 native-mode = <&timing0>;
 325                 timing0: timing {
 326                         clock-frequency = <47500000>;
 327                         hactive = <1024>;
 328                         vactive = <600>;
 329                         hfront-porch = <64>;
 330                         hback-porch = <16>;
 331                         hsync-len = <48>;
 332                         vback-porch = <64>;
 333                         vfront-porch = <16>;
 334                         vsync-len = <3>;
 335                 };
 336         };
 337 };