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                 pmic_ap_clk: pmic-ap-clk {
 105                         /* Workaround for missing clock on max8997 PMIC */
 106                         compatible = "fixed-clock";
 107                         #clock-cells = <0>;
 108                         clock-frequency = <32768>;
 109                 };
 110         };
 111
 112         display-timings {
 113                 native-mode = <&timing0>;
 114                 timing0: timing {
 115                         clock-frequency = <47500000>;
 116                         hactive = <1024>;
 117                         vactive = <600>;
 118                         hfront-porch = <64>;
 119                         hback-porch = <16>;
 120                         hsync-len = <48>;
 121                         vback-porch = <64>;
 122                         vfront-porch = <16>;
 123                         vsync-len = <3>;
 124                 };
 125         };
 126 };
 127
 128 &cpu0 {
 129         cpu0-supply = <&buck1_reg>;
 130 };
 131
 132 &cpu_thermal {
 133         cooling-maps {
 134                 map0 {
 135                         /* Corresponds to 800MHz */
 136                         cooling-device = <&cpu0 2 2>;
 137                 };
 138                 map1 {
 139                         /* Corresponds to 200MHz */
 140                         cooling-device = <&cpu0 4 4>;
 141                 };
 142         };
 143 };
 144
 145 &exynos_usbphy {
 146         status = "okay";
 147 };
 148
 149 &fimd {
 150         pinctrl-0 = <&lcd_en &lcd_clk &lcd_data24 &pwm0_out>;
 151         pinctrl-names = "default";
 152         status = "okay";
 153 };
 154
 155 &gpu {
 156         mali-supply = <&buck3_reg>;
 157         status = "okay";
 158 };
 159
 160 &hsotg {
 161         vusb_d-supply = <&ldo3_reg>;
 162         vusb_a-supply = <&ldo8_reg>;
 163         dr_mode = "peripheral";
 164         status = "okay";
 165 };
 166
 167 &i2c_0 {
 168         status = "okay";
 169         samsung,i2c-sda-delay = <100>;
 170         samsung,i2c-max-bus-freq = <20000>;
 171         pinctrl-0 = <&i2c0_bus>;
 172         pinctrl-names = "default";
 173
 174         pmic@66 {
 175                 compatible = "maxim,max8997-pmic";
 176                 reg = <0x66>;
 177                 interrupt-parent = <&gpx0>;
 178                 interrupts = <4 IRQ_TYPE_NONE>, <3 IRQ_TYPE_NONE>;
 179                 pinctrl-names = "default";
 180                 pinctrl-0 = <&max8997_irq>;
 181
 182                 max8997,pmic-buck1-dvs-voltage = <1350000>;
 183                 max8997,pmic-buck2-dvs-voltage = <1100000>;
 184                 max8997,pmic-buck5-dvs-voltage = <1200000>;
 185
 186                 regulators {
 187                         ldo1_reg: LDO1 {
 188                                 regulator-name = "VDD_ABB_3.3V";
 189                                 regulator-min-microvolt = <3300000>;
 190                                 regulator-max-microvolt = <3300000>;
 191                         };
 192
 193                         ldo2_reg: LDO2 {
 194                                 regulator-name = "VDD_ALIVE_1.1V";
 195                                 regulator-min-microvolt = <1100000>;
 196                                 regulator-max-microvolt = <1100000>;
 197                                 regulator-always-on;
 198                         };
 199
 200                         ldo3_reg: LDO3 {
 201                                 regulator-name = "VMIPI_1.1V";
 202                                 regulator-min-microvolt = <1100000>;
 203                                 regulator-max-microvolt = <1100000>;
 204                         };
 205
 206                         ldo4_reg: LDO4 {
 207                                 regulator-name = "VDD_RTC_1.8V";
 208                                 regulator-min-microvolt = <1800000>;
 209                                 regulator-max-microvolt = <1800000>;
 210                                 regulator-always-on;
 211                         };
 212
 213                         ldo6_reg: LDO6 {
 214                                 regulator-name = "VMIPI_1.8V";
 215                                 regulator-min-microvolt = <1800000>;
 216                                 regulator-max-microvolt = <1800000>;
 217                                 regulator-always-on;
 218                         };
 219
 220                         ldo7_reg: LDO7 {
 221                                 regulator-name = "VDD_AUD_1.8V";
 222                                 regulator-min-microvolt = <1800000>;
 223                                 regulator-max-microvolt = <1800000>;
 224                         };
 225
 226                         ldo8_reg: LDO8 {
 227                                 regulator-name = "VADC_3.3V";
 228                                 regulator-min-microvolt = <3300000>;
 229                                 regulator-max-microvolt = <3300000>;
 230                         };
 231
 232                         ldo9_reg: LDO9 {
 233                                 regulator-name = "DVDD_SWB_2.8V";
 234                                 regulator-min-microvolt = <2800000>;
 235                                 regulator-max-microvolt = <2800000>;
 236                                 regulator-always-on;
 237                         };
 238
 239                         ldo10_reg: LDO10 {
 240                                 regulator-name = "VDD_PLL_1.1V";
 241                                 regulator-min-microvolt = <1100000>;
 242                                 regulator-max-microvolt = <1100000>;
 243                                 regulator-always-on;
 244                         };
 245
 246                         ldo11_reg: LDO11 {
 247                                 regulator-name = "VDD_AUD_3V";
 248                                 regulator-min-microvolt = <3000000>;
 249                                 regulator-max-microvolt = <3000000>;
 250                         };
 251
 252                         ldo14_reg: LDO14 {
 253                                 regulator-name = "AVDD18_SWB_1.8V";
 254                                 regulator-min-microvolt = <1800000>;
 255                                 regulator-max-microvolt = <1800000>;
 256                                 regulator-always-on;
 257                         };
 258
 259                         ldo17_reg: LDO17 {
 260                                 regulator-name = "VDD_SWB_3.3V";
 261                                 regulator-min-microvolt = <3300000>;
 262                                 regulator-max-microvolt = <3300000>;
 263                                 regulator-always-on;
 264                         };
 265
 266                         ldo21_reg: LDO21 {
 267                                 regulator-name = "VDD_MIF_1.2V";
 268                                 regulator-min-microvolt = <1200000>;
 269                                 regulator-max-microvolt = <1200000>;
 270                                 regulator-always-on;
 271                         };
 272
 273                         buck1_reg: BUCK1 {
 274                                 regulator-name = "VDD_ARM_1.2V";
 275                                 regulator-min-microvolt = <950000>;
 276                                 regulator-max-microvolt = <1350000>;
 277                                 regulator-always-on;
 278                                 regulator-boot-on;
 279                         };
 280
 281                         buck2_reg: BUCK2 {
 282                                 regulator-name = "VDD_INT_1.1V";
 283                                 regulator-min-microvolt = <900000>;
 284                                 regulator-max-microvolt = <1100000>;
 285                                 regulator-always-on;
 286                                 regulator-boot-on;
 287                         };
 288
 289                         buck3_reg: BUCK3 {
 290                                 regulator-name = "VDD_G3D_1.1V";
 291                                 regulator-min-microvolt = <900000>;
 292                                 regulator-max-microvolt = <1100000>;
 293                         };
 294
 295                         buck5_reg: BUCK5 {
 296                                 regulator-name = "VDDQ_M1M2_1.2V";
 297                                 regulator-min-microvolt = <1200000>;
 298                                 regulator-max-microvolt = <1200000>;
 299                                 regulator-always-on;
 300                         };
 301
 302                         buck7_reg: BUCK7 {
 303                                 regulator-name = "VDD_LCD_3.3V";
 304                                 regulator-min-microvolt = <3300000>;
 305                                 regulator-max-microvolt = <3300000>;
 306                                 regulator-boot-on;
 307                                 regulator-always-on;
 308                         };
 309
 310                         EN32KHZ_AP {
 311                                 regulator-name = "EN32KHZ_AP";
 312                                 regulator-always-on;
 313                         };
 314                 };
 315         };
 316 };
 317
 318 &pinctrl_1 {
 319         max8997_irq: max8997-irq {
 320                 samsung,pins = "gpx0-3", "gpx0-4";
 321                 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 322         };
 323 };
 324
 325 &sdhci_0 {
 326         bus-width = <4>;
 327         pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_cd>;
 328         pinctrl-names = "default";
 329         vmmc-supply = <&mmc_reg>;
 330         status = "okay";
 331 };
 332
 333 &sdhci_2 {
 334         bus-width = <4>;
 335         pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
 336         pinctrl-names = "default";
 337         vmmc-supply = <&mmc_reg>;
 338         status = "okay";
 339 };
 340
 341 &serial_0 {
 342         status = "okay";
 343 };
 344
 345 &serial_1 {
 346         status = "okay";
 347 };
 348
 349 &serial_2 {
 350         status = "okay";
 351 };
 352
 353 &serial_3 {
 354         status = "okay";
 355 };
 356
 357 &rtc {
 358         status = "okay";
 359         clocks = <&clock CLK_RTC>, <&pmic_ap_clk>;
 360         clock-names = "rtc", "rtc_src";
 361 };
 362
 363 &tmu {
 364         status = "okay";
 365 };