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         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 &hsotg {
 136         vusb_d-supply = <&ldo3_reg>;
 137         vusb_a-supply = <&ldo8_reg>;
 138         dr_mode = "peripheral";
 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 IRQ_TYPE_NONE>, <3 IRQ_TYPE_NONE>;
 154                 pinctrl-names = "default";
 155                 pinctrl-0 = <&max8997_irq>;
 156
 157                 max8997,pmic-buck1-dvs-voltage = <1350000>;
 158                 max8997,pmic-buck2-dvs-voltage = <1100000>;
 159                 max8997,pmic-buck5-dvs-voltage = <1200000>;
 160
 161                 regulators {
 162                         ldo1_reg: LDO1 {
 163                                 regulator-name = "VDD_ABB_3.3V";
 164                                 regulator-min-microvolt = <3300000>;
 165                                 regulator-max-microvolt = <3300000>;
 166                         };
 167
 168                         ldo2_reg: LDO2 {
 169                                 regulator-name = "VDD_ALIVE_1.1V";
 170                                 regulator-min-microvolt = <1100000>;
 171                                 regulator-max-microvolt = <1100000>;
 172                                 regulator-always-on;
 173                         };
 174
 175                         ldo3_reg: LDO3 {
 176                                 regulator-name = "VMIPI_1.1V";
 177                                 regulator-min-microvolt = <1100000>;
 178                                 regulator-max-microvolt = <1100000>;
 179                         };
 180
 181                         ldo4_reg: LDO4 {
 182                                 regulator-name = "VDD_RTC_1.8V";
 183                                 regulator-min-microvolt = <1800000>;
 184                                 regulator-max-microvolt = <1800000>;
 185                                 regulator-always-on;
 186                         };
 187
 188                         ldo6_reg: LDO6 {
 189                                 regulator-name = "VMIPI_1.8V";
 190                                 regulator-min-microvolt = <1800000>;
 191                                 regulator-max-microvolt = <1800000>;
 192                                 regulator-always-on;
 193                         };
 194
 195                         ldo7_reg: LDO7 {
 196                                 regulator-name = "VDD_AUD_1.8V";
 197                                 regulator-min-microvolt = <1800000>;
 198                                 regulator-max-microvolt = <1800000>;
 199                         };
 200
 201                         ldo8_reg: LDO8 {
 202                                 regulator-name = "VADC_3.3V";
 203                                 regulator-min-microvolt = <3300000>;
 204                                 regulator-max-microvolt = <3300000>;
 205                         };
 206
 207                         ldo9_reg: LDO9 {
 208                                 regulator-name = "DVDD_SWB_2.8V";
 209                                 regulator-min-microvolt = <2800000>;
 210                                 regulator-max-microvolt = <2800000>;
 211                                 regulator-always-on;
 212                         };
 213
 214                         ldo10_reg: LDO10 {
 215                                 regulator-name = "VDD_PLL_1.1V";
 216                                 regulator-min-microvolt = <1100000>;
 217                                 regulator-max-microvolt = <1100000>;
 218                                 regulator-always-on;
 219                         };
 220
 221                         ldo11_reg: LDO11 {
 222                                 regulator-name = "VDD_AUD_3V";
 223                                 regulator-min-microvolt = <3000000>;
 224                                 regulator-max-microvolt = <3000000>;
 225                         };
 226
 227                         ldo14_reg: LDO14 {
 228                                 regulator-name = "AVDD18_SWB_1.8V";
 229                                 regulator-min-microvolt = <1800000>;
 230                                 regulator-max-microvolt = <1800000>;
 231                                 regulator-always-on;
 232                         };
 233
 234                         ldo17_reg: LDO17 {
 235                                 regulator-name = "VDD_SWB_3.3V";
 236                                 regulator-min-microvolt = <3300000>;
 237                                 regulator-max-microvolt = <3300000>;
 238                                 regulator-always-on;
 239                         };
 240
 241                         ldo21_reg: LDO21 {
 242                                 regulator-name = "VDD_MIF_1.2V";
 243                                 regulator-min-microvolt = <1200000>;
 244                                 regulator-max-microvolt = <1200000>;
 245                                 regulator-always-on;
 246                         };
 247
 248                         buck1_reg: BUCK1 {
 249                                 /*
 250                                 * HACK: The real name is VDD_ARM_1.2V,
 251                                 * but exynos-cpufreq does not support
 252                                 * DT-based regulator lookup yet.
 253                                 */
 254                                 regulator-name = "vdd_arm";
 255                                 regulator-min-microvolt = <950000>;
 256                                 regulator-max-microvolt = <1350000>;
 257                                 regulator-always-on;
 258                                 regulator-boot-on;
 259                         };
 260
 261                         buck2_reg: BUCK2 {
 262                                 regulator-name = "VDD_INT_1.1V";
 263                                 regulator-min-microvolt = <900000>;
 264                                 regulator-max-microvolt = <1100000>;
 265                                 regulator-always-on;
 266                                 regulator-boot-on;
 267                         };
 268
 269                         buck3_reg: BUCK3 {
 270                                 regulator-name = "VDD_G3D_1.1V";
 271                                 regulator-min-microvolt = <900000>;
 272                                 regulator-max-microvolt = <1100000>;
 273                         };
 274
 275                         buck5_reg: BUCK5 {
 276                                 regulator-name = "VDDQ_M1M2_1.2V";
 277                                 regulator-min-microvolt = <1200000>;
 278                                 regulator-max-microvolt = <1200000>;
 279                                 regulator-always-on;
 280                         };
 281
 282                         buck7_reg: BUCK7 {
 283                                 regulator-name = "VDD_LCD_3.3V";
 284                                 regulator-min-microvolt = <3300000>;
 285                                 regulator-max-microvolt = <3300000>;
 286                                 regulator-boot-on;
 287                                 regulator-always-on;
 288                         };
 289                 };
 290         };
 291 };
 292
 293 &pinctrl_1 {
 294         max8997_irq: max8997-irq {
 295                 samsung,pins = "gpx0-3", "gpx0-4";
 296                 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 297         };
 298 };
 299
 300 &sdhci_0 {
 301         bus-width = <4>;
 302         pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_cd>;
 303         pinctrl-names = "default";
 304         vmmc-supply = <&mmc_reg>;
 305         status = "okay";
 306 };
 307
 308 &sdhci_2 {
 309         bus-width = <4>;
 310         pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
 311         pinctrl-names = "default";
 312         vmmc-supply = <&mmc_reg>;
 313         status = "okay";
 314 };
 315
 316 &serial_0 {
 317         status = "okay";
 318 };
 319
 320 &serial_1 {
 321         status = "okay";
 322 };
 323
 324 &serial_2 {
 325         status = "okay";
 326 };
 327
 328 &serial_3 {
 329         status = "okay";
 330 };
 331
 332 &rtc {
 333         status = "okay";
 334 };
 335
 336 &tmu {
 337         status = "okay";
 338 };