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