arch/arm/boot/dts/exynos4210-origen.dts

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Samsung's Exynos4210 based Origen board device tree source
   4  *
   5  * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
   6  *              http://www.samsung.com
   7  * Copyright (c) 2010-2011 Linaro Ltd.
   8  *              www.linaro.org
   9  *
  10  * Device tree source file for Insignal's Origen board which is based on
  11  * Samsung's Exynos4210 SoC.
  12  */
  13
  14 /dts-v1/;
  15 #include "exynos4210.dtsi"
  16 #include <dt-bindings/gpio/gpio.h>
  17 #include <dt-bindings/input/input.h>
  18 #include "exynos-mfc-reserved-memory.dtsi"
  19
  20 / {
  21         model = "Insignal Origen evaluation board based on Exynos4210";
  22         compatible = "insignal,origen", "samsung,exynos4210", "samsung,exynos4";
  23
  24         memory@40000000 {
  25                 device_type = "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 GPIO_ACTIVE_HIGH>;
  49                         enable-active-high;
  50                 };
  51         };
  52
  53         gpio_keys {
  54                 compatible = "gpio-keys";
  55                 #address-cells = <1>;
  56                 #size-cells = <0>;
  57
  58                 up {
  59                         label = "Up";
  60                         gpios = <&gpx2 0 GPIO_ACTIVE_LOW>;
  61                         linux,code = <KEY_UP>;
  62                         wakeup-source;
  63                 };
  64
  65                 down {
  66                         label = "Down";
  67                         gpios = <&gpx2 1 GPIO_ACTIVE_LOW>;
  68                         linux,code = <KEY_DOWN>;
  69                         wakeup-source;
  70                 };
  71
  72                 back {
  73                         label = "Back";
  74                         gpios = <&gpx1 7 GPIO_ACTIVE_LOW>;
  75                         linux,code = <KEY_BACK>;
  76                         wakeup-source;
  77                 };
  78
  79                 home {
  80                         label = "Home";
  81                         gpios = <&gpx1 6 GPIO_ACTIVE_LOW>;
  82                         linux,code = <KEY_HOME>;
  83                         wakeup-source;
  84                 };
  85
  86                 menu {
  87                         label = "Menu";
  88                         gpios = <&gpx1 5 GPIO_ACTIVE_LOW>;
  89                         linux,code = <KEY_MENU>;
  90                         wakeup-source;
  91                 };
  92         };
  93
  94         leds {
  95                 compatible = "gpio-leds";
  96                 status {
  97                         gpios = <&gpx1 3 GPIO_ACTIVE_LOW>;
  98                         linux,default-trigger = "heartbeat";
  99                 };
 100         };
 101
 102         fixed-rate-clocks {
 103                 xxti {
 104                         compatible = "samsung,clock-xxti";
 105                         clock-frequency = <0>;
 106                 };
 107
 108                 xusbxti {
 109                         compatible = "samsung,clock-xusbxti";
 110                         clock-frequency = <24000000>;
 111                 };
 112         };
 113
 114         display-timings {
 115                 native-mode = <&timing0>;
 116                 timing0: timing {
 117                         clock-frequency = <47500000>;
 118                         hactive = <1024>;
 119                         vactive = <600>;
 120                         hfront-porch = <64>;
 121                         hback-porch = <16>;
 122                         hsync-len = <48>;
 123                         vback-porch = <64>;
 124                         vfront-porch = <16>;
 125                         vsync-len = <3>;
 126                 };
 127         };
 128 };
 129
 130 &cpu0 {
 131         cpu0-supply = <&buck1_reg>;
 132 };
 133
 134 &fimd {
 135         pinctrl-0 = <&lcd_en &lcd_clk &lcd_data24 &pwm0_out>;
 136         pinctrl-names = "default";
 137         status = "okay";
 138 };
 139
 140 &i2c_0 {
 141         status = "okay";
 142         samsung,i2c-sda-delay = <100>;
 143         samsung,i2c-max-bus-freq = <20000>;
 144         pinctrl-0 = <&i2c0_bus>;
 145         pinctrl-names = "default";
 146
 147         max8997_pmic@66 {
 148                 compatible = "maxim,max8997-pmic";
 149                 reg = <0x66>;
 150                 interrupt-parent = <&gpx0>;
 151                 interrupts = <4 IRQ_TYPE_NONE>, <3 IRQ_TYPE_NONE>;
 152
 153                 max8997,pmic-buck1-dvs-voltage = <1350000>;
 154                 max8997,pmic-buck2-dvs-voltage = <1100000>;
 155                 max8997,pmic-buck5-dvs-voltage = <1200000>;
 156
 157                 regulators {
 158                         ldo1_reg: LDO1 {
 159                                 regulator-name = "VDD_ABB_3.3V";
 160                                 regulator-min-microvolt = <3300000>;
 161                                 regulator-max-microvolt = <3300000>;
 162                         };
 163
 164                         ldo2_reg: LDO2 {
 165                                 regulator-name = "VDD_ALIVE_1.1V";
 166                                 regulator-min-microvolt = <1100000>;
 167                                 regulator-max-microvolt = <1100000>;
 168                                 regulator-always-on;
 169                         };
 170
 171                         ldo3_reg: LDO3 {
 172                                 regulator-name = "VMIPI_1.1V";
 173                                 regulator-min-microvolt = <1100000>;
 174                                 regulator-max-microvolt = <1100000>;
 175                         };
 176
 177                         ldo4_reg: LDO4 {
 178                                 regulator-name = "VDD_RTC_1.8V";
 179                                 regulator-min-microvolt = <1800000>;
 180                                 regulator-max-microvolt = <1800000>;
 181                                 regulator-always-on;
 182                         };
 183
 184                         ldo6_reg: LDO6 {
 185                                 regulator-name = "VMIPI_1.8V";
 186                                 regulator-min-microvolt = <1800000>;
 187                                 regulator-max-microvolt = <1800000>;
 188                                 regulator-always-on;
 189                         };
 190
 191                         ldo7_reg: LDO7 {
 192                                 regulator-name = "VDD_AUD_1.8V";
 193                                 regulator-min-microvolt = <1800000>;
 194                                 regulator-max-microvolt = <1800000>;
 195                         };
 196
 197                         ldo8_reg: LDO8 {
 198                                 regulator-name = "VADC_3.3V";
 199                                 regulator-min-microvolt = <3300000>;
 200                                 regulator-max-microvolt = <3300000>;
 201                         };
 202
 203                         ldo9_reg: LDO9 {
 204                                 regulator-name = "DVDD_SWB_2.8V";
 205                                 regulator-min-microvolt = <2800000>;
 206                                 regulator-max-microvolt = <2800000>;
 207                                 regulator-always-on;
 208                         };
 209
 210                         ldo10_reg: LDO10 {
 211                                 regulator-name = "VDD_PLL_1.1V";
 212                                 regulator-min-microvolt = <1100000>;
 213                                 regulator-max-microvolt = <1100000>;
 214                                 regulator-always-on;
 215                         };
 216
 217                         ldo11_reg: LDO11 {
 218                                 regulator-name = "VDD_AUD_3V";
 219                                 regulator-min-microvolt = <3000000>;
 220                                 regulator-max-microvolt = <3000000>;
 221                         };
 222
 223                         ldo14_reg: LDO14 {
 224                                 regulator-name = "AVDD18_SWB_1.8V";
 225                                 regulator-min-microvolt = <1800000>;
 226                                 regulator-max-microvolt = <1800000>;
 227                                 regulator-always-on;
 228                         };
 229
 230                         ldo17_reg: LDO17 {
 231                                 regulator-name = "VDD_SWB_3.3V";
 232                                 regulator-min-microvolt = <3300000>;
 233                                 regulator-max-microvolt = <3300000>;
 234                                 regulator-always-on;
 235                         };
 236
 237                         ldo21_reg: LDO21 {
 238                                 regulator-name = "VDD_MIF_1.2V";
 239                                 regulator-min-microvolt = <1200000>;
 240                                 regulator-max-microvolt = <1200000>;
 241                                 regulator-always-on;
 242                         };
 243
 244                         buck1_reg: BUCK1 {
 245                                 /*
 246                                 * HACK: The real name is VDD_ARM_1.2V,
 247                                 * but exynos-cpufreq does not support
 248                                 * DT-based regulator lookup yet.
 249                                 */
 250                                 regulator-name = "vdd_arm";
 251                                 regulator-min-microvolt = <950000>;
 252                                 regulator-max-microvolt = <1350000>;
 253                                 regulator-always-on;
 254                                 regulator-boot-on;
 255                         };
 256
 257                         buck2_reg: BUCK2 {
 258                                 regulator-name = "VDD_INT_1.1V";
 259                                 regulator-min-microvolt = <900000>;
 260                                 regulator-max-microvolt = <1100000>;
 261                                 regulator-always-on;
 262                                 regulator-boot-on;
 263                         };
 264
 265                         buck3_reg: BUCK3 {
 266                                 regulator-name = "VDD_G3D_1.1V";
 267                                 regulator-min-microvolt = <900000>;
 268                                 regulator-max-microvolt = <1100000>;
 269                         };
 270
 271                         buck5_reg: BUCK5 {
 272                                 regulator-name = "VDDQ_M1M2_1.2V";
 273                                 regulator-min-microvolt = <1200000>;
 274                                 regulator-max-microvolt = <1200000>;
 275                                 regulator-always-on;
 276                         };
 277
 278                         buck7_reg: BUCK7 {
 279                                 regulator-name = "VDD_LCD_3.3V";
 280                                 regulator-min-microvolt = <3300000>;
 281                                 regulator-max-microvolt = <3300000>;
 282                                 regulator-boot-on;
 283                                 regulator-always-on;
 284                         };
 285                 };
 286         };
 287 };
 288
 289 &sdhci_0 {
 290         bus-width = <4>;
 291         pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_cd>;
 292         pinctrl-names = "default";
 293         vmmc-supply = <&mmc_reg>;
 294         status = "okay";
 295 };
 296
 297 &sdhci_2 {
 298         bus-width = <4>;
 299         pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
 300         pinctrl-names = "default";
 301         vmmc-supply = <&mmc_reg>;
 302         status = "okay";
 303 };
 304
 305 &serial_0 {
 306         status = "okay";
 307 };
 308
 309 &serial_1 {
 310         status = "okay";
 311 };
 312
 313 &serial_2 {
 314         status = "okay";
 315 };
 316
 317 &serial_3 {
 318         status = "okay";
 319 };
 320
 321 &rtc {
 322         status = "okay";
 323 };
 324
 325 &tmu {
 326         status = "okay";
 327 };