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 init=/linuxrc";
  34                 stdout-path = "serial2:115200n8";
  35         };
  36
  37         mmc_reg: voltage-regulator {
  38                 compatible = "regulator-fixed";
  39                 regulator-name = "VMEM_VDD_2.8V";
  40                 regulator-min-microvolt = <2800000>;
  41                 regulator-max-microvolt = <2800000>;
  42                 gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>;
  43                 enable-active-high;
  44         };
  45
  46         gpio_keys {
  47                 compatible = "gpio-keys";
  48
  49                 up {
  50                         label = "Up";
  51                         gpios = <&gpx2 0 GPIO_ACTIVE_LOW>;
  52                         linux,code = <KEY_UP>;
  53                         wakeup-source;
  54                 };
  55
  56                 down {
  57                         label = "Down";
  58                         gpios = <&gpx2 1 GPIO_ACTIVE_LOW>;
  59                         linux,code = <KEY_DOWN>;
  60                         wakeup-source;
  61                 };
  62
  63                 back {
  64                         label = "Back";
  65                         gpios = <&gpx1 7 GPIO_ACTIVE_LOW>;
  66                         linux,code = <KEY_BACK>;
  67                         wakeup-source;
  68                 };
  69
  70                 home {
  71                         label = "Home";
  72                         gpios = <&gpx1 6 GPIO_ACTIVE_LOW>;
  73                         linux,code = <KEY_HOME>;
  74                         wakeup-source;
  75                 };
  76
  77                 menu {
  78                         label = "Menu";
  79                         gpios = <&gpx1 5 GPIO_ACTIVE_LOW>;
  80                         linux,code = <KEY_MENU>;
  81                         wakeup-source;
  82                 };
  83         };
  84
  85         leds {
  86                 compatible = "gpio-leds";
  87                 status {
  88                         gpios = <&gpx1 3 GPIO_ACTIVE_LOW>;
  89                         linux,default-trigger = "heartbeat";
  90                 };
  91         };
  92
  93         fixed-rate-clocks {
  94                 xxti {
  95                         compatible = "samsung,clock-xxti";
  96                         clock-frequency = <0>;
  97                 };
  98
  99                 xusbxti {
 100                         compatible = "samsung,clock-xusbxti";
 101                         clock-frequency = <24000000>;
 102                 };
 103         };
 104
 105         display-timings {
 106                 native-mode = <&timing0>;
 107                 timing0: timing {
 108                         clock-frequency = <47500000>;
 109                         hactive = <1024>;
 110                         vactive = <600>;
 111                         hfront-porch = <64>;
 112                         hback-porch = <16>;
 113                         hsync-len = <48>;
 114                         vback-porch = <64>;
 115                         vfront-porch = <16>;
 116                         vsync-len = <3>;
 117                 };
 118         };
 119 };
 120
 121 &cpu0 {
 122         cpu0-supply = <&buck1_reg>;
 123 };
 124
 125 &exynos_usbphy {
 126         status = "okay";
 127 };
 128
 129 &fimd {
 130         pinctrl-0 = <&lcd_en &lcd_clk &lcd_data24 &pwm0_out>;
 131         pinctrl-names = "default";
 132         status = "okay";
 133 };
 134
 135 &gpu {
 136         mali-supply = <&buck3_reg>;
 137         status = "okay";
 138 };
 139
 140 &hsotg {
 141         vusb_d-supply = <&ldo3_reg>;
 142         vusb_a-supply = <&ldo8_reg>;
 143         dr_mode = "peripheral";
 144         status = "okay";
 145 };
 146
 147 &i2c_0 {
 148         status = "okay";
 149         samsung,i2c-sda-delay = <100>;
 150         samsung,i2c-max-bus-freq = <20000>;
 151         pinctrl-0 = <&i2c0_bus>;
 152         pinctrl-names = "default";
 153
 154         max8997_pmic@66 {
 155                 compatible = "maxim,max8997-pmic";
 156                 reg = <0x66>;
 157                 interrupt-parent = <&gpx0>;
 158                 interrupts = <4 IRQ_TYPE_NONE>, <3 IRQ_TYPE_NONE>;
 159                 pinctrl-names = "default";
 160                 pinctrl-0 = <&max8997_irq>;
 161
 162                 max8997,pmic-buck1-dvs-voltage = <1350000>;
 163                 max8997,pmic-buck2-dvs-voltage = <1100000>;
 164                 max8997,pmic-buck5-dvs-voltage = <1200000>;
 165
 166                 regulators {
 167                         ldo1_reg: LDO1 {
 168                                 regulator-name = "VDD_ABB_3.3V";
 169                                 regulator-min-microvolt = <3300000>;
 170                                 regulator-max-microvolt = <3300000>;
 171                         };
 172
 173                         ldo2_reg: LDO2 {
 174                                 regulator-name = "VDD_ALIVE_1.1V";
 175                                 regulator-min-microvolt = <1100000>;
 176                                 regulator-max-microvolt = <1100000>;
 177                                 regulator-always-on;
 178                         };
 179
 180                         ldo3_reg: LDO3 {
 181                                 regulator-name = "VMIPI_1.1V";
 182                                 regulator-min-microvolt = <1100000>;
 183                                 regulator-max-microvolt = <1100000>;
 184                         };
 185
 186                         ldo4_reg: LDO4 {
 187                                 regulator-name = "VDD_RTC_1.8V";
 188                                 regulator-min-microvolt = <1800000>;
 189                                 regulator-max-microvolt = <1800000>;
 190                                 regulator-always-on;
 191                         };
 192
 193                         ldo6_reg: LDO6 {
 194                                 regulator-name = "VMIPI_1.8V";
 195                                 regulator-min-microvolt = <1800000>;
 196                                 regulator-max-microvolt = <1800000>;
 197                                 regulator-always-on;
 198                         };
 199
 200                         ldo7_reg: LDO7 {
 201                                 regulator-name = "VDD_AUD_1.8V";
 202                                 regulator-min-microvolt = <1800000>;
 203                                 regulator-max-microvolt = <1800000>;
 204                         };
 205
 206                         ldo8_reg: LDO8 {
 207                                 regulator-name = "VADC_3.3V";
 208                                 regulator-min-microvolt = <3300000>;
 209                                 regulator-max-microvolt = <3300000>;
 210                         };
 211
 212                         ldo9_reg: LDO9 {
 213                                 regulator-name = "DVDD_SWB_2.8V";
 214                                 regulator-min-microvolt = <2800000>;
 215                                 regulator-max-microvolt = <2800000>;
 216                                 regulator-always-on;
 217                         };
 218
 219                         ldo10_reg: LDO10 {
 220                                 regulator-name = "VDD_PLL_1.1V";
 221                                 regulator-min-microvolt = <1100000>;
 222                                 regulator-max-microvolt = <1100000>;
 223                                 regulator-always-on;
 224                         };
 225
 226                         ldo11_reg: LDO11 {
 227                                 regulator-name = "VDD_AUD_3V";
 228                                 regulator-min-microvolt = <3000000>;
 229                                 regulator-max-microvolt = <3000000>;
 230                         };
 231
 232                         ldo14_reg: LDO14 {
 233                                 regulator-name = "AVDD18_SWB_1.8V";
 234                                 regulator-min-microvolt = <1800000>;
 235                                 regulator-max-microvolt = <1800000>;
 236                                 regulator-always-on;
 237                         };
 238
 239                         ldo17_reg: LDO17 {
 240                                 regulator-name = "VDD_SWB_3.3V";
 241                                 regulator-min-microvolt = <3300000>;
 242                                 regulator-max-microvolt = <3300000>;
 243                                 regulator-always-on;
 244                         };
 245
 246                         ldo21_reg: LDO21 {
 247                                 regulator-name = "VDD_MIF_1.2V";
 248                                 regulator-min-microvolt = <1200000>;
 249                                 regulator-max-microvolt = <1200000>;
 250                                 regulator-always-on;
 251                         };
 252
 253                         buck1_reg: BUCK1 {
 254                                 /*
 255                                 * HACK: The real name is VDD_ARM_1.2V,
 256                                 * but exynos-cpufreq does not support
 257                                 * DT-based regulator lookup yet.
 258                                 */
 259                                 regulator-name = "vdd_arm";
 260                                 regulator-min-microvolt = <950000>;
 261                                 regulator-max-microvolt = <1350000>;
 262                                 regulator-always-on;
 263                                 regulator-boot-on;
 264                         };
 265
 266                         buck2_reg: BUCK2 {
 267                                 regulator-name = "VDD_INT_1.1V";
 268                                 regulator-min-microvolt = <900000>;
 269                                 regulator-max-microvolt = <1100000>;
 270                                 regulator-always-on;
 271                                 regulator-boot-on;
 272                         };
 273
 274                         buck3_reg: BUCK3 {
 275                                 regulator-name = "VDD_G3D_1.1V";
 276                                 regulator-min-microvolt = <900000>;
 277                                 regulator-max-microvolt = <1100000>;
 278                         };
 279
 280                         buck5_reg: BUCK5 {
 281                                 regulator-name = "VDDQ_M1M2_1.2V";
 282                                 regulator-min-microvolt = <1200000>;
 283                                 regulator-max-microvolt = <1200000>;
 284                                 regulator-always-on;
 285                         };
 286
 287                         buck7_reg: BUCK7 {
 288                                 regulator-name = "VDD_LCD_3.3V";
 289                                 regulator-min-microvolt = <3300000>;
 290                                 regulator-max-microvolt = <3300000>;
 291                                 regulator-boot-on;
 292                                 regulator-always-on;
 293                         };
 294                 };
 295         };
 296 };
 297
 298 &pinctrl_1 {
 299         max8997_irq: max8997-irq {
 300                 samsung,pins = "gpx0-3", "gpx0-4";
 301                 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 302         };
 303 };
 304
 305 &sdhci_0 {
 306         bus-width = <4>;
 307         pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_cd>;
 308         pinctrl-names = "default";
 309         vmmc-supply = <&mmc_reg>;
 310         status = "okay";
 311 };
 312
 313 &sdhci_2 {
 314         bus-width = <4>;
 315         pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
 316         pinctrl-names = "default";
 317         vmmc-supply = <&mmc_reg>;
 318         status = "okay";
 319 };
 320
 321 &serial_0 {
 322         status = "okay";
 323 };
 324
 325 &serial_1 {
 326         status = "okay";
 327 };
 328
 329 &serial_2 {
 330         status = "okay";
 331 };
 332
 333 &serial_3 {
 334         status = "okay";
 335 };
 336
 337 &rtc {
 338         status = "okay";
 339 };
 340
 341 &tmu {
 342         status = "okay";
 343 };