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 <dt-bindings/leds/common.h>
  19 #include "exynos-mfc-reserved-memory.dtsi"
  20
  21 / {
  22         model = "Insignal Origen evaluation board based on Exynos4210";
  23         compatible = "insignal,origen", "samsung,exynos4210", "samsung,exynos4";
  24
  25         memory@40000000 {
  26                 device_type = "memory";
  27                 reg = <0x40000000 0x10000000
  28                        0x50000000 0x10000000
  29                        0x60000000 0x10000000
  30                        0x70000000 0x10000000>;
  31         };
  32
  33         chosen {
  34                 bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M init=/linuxrc";
  35                 stdout-path = "serial2:115200n8";
  36         };
  37
  38         mmc_reg: voltage-regulator {
  39                 compatible = "regulator-fixed";
  40                 regulator-name = "VMEM_VDD_2.8V";
  41                 regulator-min-microvolt = <2800000>;
  42                 regulator-max-microvolt = <2800000>;
  43                 gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>;
  44                 enable-active-high;
  45         };
  46
  47         gpio-keys {
  48                 compatible = "gpio-keys";
  49
  50                 key-up {
  51                         label = "Up";
  52                         gpios = <&gpx2 0 GPIO_ACTIVE_LOW>;
  53                         linux,code = <KEY_UP>;
  54                         wakeup-source;
  55                 };
  56
  57                 key-down {
  58                         label = "Down";
  59                         gpios = <&gpx2 1 GPIO_ACTIVE_LOW>;
  60                         linux,code = <KEY_DOWN>;
  61                         wakeup-source;
  62                 };
  63
  64                 key-back {
  65                         label = "Back";
  66                         gpios = <&gpx1 7 GPIO_ACTIVE_LOW>;
  67                         linux,code = <KEY_BACK>;
  68                         wakeup-source;
  69                 };
  70
  71                 key-home {
  72                         label = "Home";
  73                         gpios = <&gpx1 6 GPIO_ACTIVE_LOW>;
  74                         linux,code = <KEY_HOME>;
  75                         wakeup-source;
  76                 };
  77
  78                 key-menu {
  79                         label = "Menu";
  80                         gpios = <&gpx1 5 GPIO_ACTIVE_LOW>;
  81                         linux,code = <KEY_MENU>;
  82                         wakeup-source;
  83                 };
  84         };
  85
  86         leds {
  87                 compatible = "gpio-leds";
  88                 status {
  89                         gpios = <&gpx1 3 GPIO_ACTIVE_LOW>;
  90                         function = LED_FUNCTION_HEARTBEAT;
  91                         linux,default-trigger = "heartbeat";
  92                 };
  93         };
  94
  95         fixed-rate-clocks {
  96                 xxti {
  97                         compatible = "samsung,clock-xxti";
  98                         clock-frequency = <0>;
  99                 };
 100
 101                 xusbxti {
 102                         compatible = "samsung,clock-xusbxti";
 103                         clock-frequency = <24000000>;
 104                 };
 105
 106                 pmic_ap_clk: pmic-ap-clk {
 107                         /* Workaround for missing clock on max8997 PMIC */
 108                         compatible = "fixed-clock";
 109                         #clock-cells = <0>;
 110                         clock-frequency = <32768>;
 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 &cpu_thermal {
 135         cooling-maps {
 136                 map0 {
 137                         /* Corresponds to 800MHz */
 138                         cooling-device = <&cpu0 2 2>;
 139                 };
 140                 map1 {
 141                         /* Corresponds to 200MHz */
 142                         cooling-device = <&cpu0 4 4>;
 143                 };
 144         };
 145 };
 146
 147 &exynos_usbphy {
 148         status = "okay";
 149 };
 150
 151 &fimd {
 152         pinctrl-0 = <&lcd_en &lcd_clk &lcd_data24 &pwm0_out>;
 153         pinctrl-names = "default";
 154         status = "okay";
 155 };
 156
 157 &gpu {
 158         mali-supply = <&buck3_reg>;
 159         status = "okay";
 160 };
 161
 162 &hsotg {
 163         vusb_d-supply = <&ldo3_reg>;
 164         vusb_a-supply = <&ldo8_reg>;
 165         dr_mode = "peripheral";
 166         status = "okay";
 167 };
 168
 169 &i2c_0 {
 170         status = "okay";
 171         samsung,i2c-sda-delay = <100>;
 172         samsung,i2c-max-bus-freq = <20000>;
 173         pinctrl-0 = <&i2c0_bus>;
 174         pinctrl-names = "default";
 175
 176         pmic@66 {
 177                 compatible = "maxim,max8997-pmic";
 178                 reg = <0x66>;
 179                 interrupt-parent = <&gpx0>;
 180                 interrupts = <4 IRQ_TYPE_NONE>, <3 IRQ_TYPE_NONE>;
 181                 pinctrl-names = "default";
 182                 pinctrl-0 = <&max8997_irq>;
 183
 184                 max8997,pmic-buck1-dvs-voltage = <1350000>;
 185                 max8997,pmic-buck2-dvs-voltage = <1100000>;
 186                 max8997,pmic-buck5-dvs-voltage = <1200000>;
 187
 188                 regulators {
 189                         ldo1_reg: LDO1 {
 190                                 regulator-name = "VDD_ABB_3.3V";
 191                                 regulator-min-microvolt = <3300000>;
 192                                 regulator-max-microvolt = <3300000>;
 193                         };
 194
 195                         ldo2_reg: LDO2 {
 196                                 regulator-name = "VDD_ALIVE_1.1V";
 197                                 regulator-min-microvolt = <1100000>;
 198                                 regulator-max-microvolt = <1100000>;
 199                                 regulator-always-on;
 200                         };
 201
 202                         ldo3_reg: LDO3 {
 203                                 regulator-name = "VMIPI_1.1V";
 204                                 regulator-min-microvolt = <1100000>;
 205                                 regulator-max-microvolt = <1100000>;
 206                         };
 207
 208                         ldo4_reg: LDO4 {
 209                                 regulator-name = "VDD_RTC_1.8V";
 210                                 regulator-min-microvolt = <1800000>;
 211                                 regulator-max-microvolt = <1800000>;
 212                                 regulator-always-on;
 213                         };
 214
 215                         ldo6_reg: LDO6 {
 216                                 regulator-name = "VMIPI_1.8V";
 217                                 regulator-min-microvolt = <1800000>;
 218                                 regulator-max-microvolt = <1800000>;
 219                                 regulator-always-on;
 220                         };
 221
 222                         ldo7_reg: LDO7 {
 223                                 regulator-name = "VDD_AUD_1.8V";
 224                                 regulator-min-microvolt = <1800000>;
 225                                 regulator-max-microvolt = <1800000>;
 226                         };
 227
 228                         ldo8_reg: LDO8 {
 229                                 regulator-name = "VADC_3.3V";
 230                                 regulator-min-microvolt = <3300000>;
 231                                 regulator-max-microvolt = <3300000>;
 232                         };
 233
 234                         ldo9_reg: LDO9 {
 235                                 regulator-name = "DVDD_SWB_2.8V";
 236                                 regulator-min-microvolt = <2800000>;
 237                                 regulator-max-microvolt = <2800000>;
 238                                 regulator-always-on;
 239                         };
 240
 241                         ldo10_reg: LDO10 {
 242                                 regulator-name = "VDD_PLL_1.1V";
 243                                 regulator-min-microvolt = <1100000>;
 244                                 regulator-max-microvolt = <1100000>;
 245                                 regulator-always-on;
 246                         };
 247
 248                         ldo11_reg: LDO11 {
 249                                 regulator-name = "VDD_AUD_3V";
 250                                 regulator-min-microvolt = <3000000>;
 251                                 regulator-max-microvolt = <3000000>;
 252                         };
 253
 254                         ldo14_reg: LDO14 {
 255                                 regulator-name = "AVDD18_SWB_1.8V";
 256                                 regulator-min-microvolt = <1800000>;
 257                                 regulator-max-microvolt = <1800000>;
 258                                 regulator-always-on;
 259                         };
 260
 261                         ldo17_reg: LDO17 {
 262                                 regulator-name = "VDD_SWB_3.3V";
 263                                 regulator-min-microvolt = <3300000>;
 264                                 regulator-max-microvolt = <3300000>;
 265                                 regulator-always-on;
 266                         };
 267
 268                         ldo21_reg: LDO21 {
 269                                 regulator-name = "VDD_MIF_1.2V";
 270                                 regulator-min-microvolt = <1200000>;
 271                                 regulator-max-microvolt = <1200000>;
 272                                 regulator-always-on;
 273                         };
 274
 275                         buck1_reg: BUCK1 {
 276                                 regulator-name = "VDD_ARM_1.2V";
 277                                 regulator-min-microvolt = <950000>;
 278                                 regulator-max-microvolt = <1350000>;
 279                                 regulator-always-on;
 280                                 regulator-boot-on;
 281                         };
 282
 283                         buck2_reg: BUCK2 {
 284                                 regulator-name = "VDD_INT_1.1V";
 285                                 regulator-min-microvolt = <900000>;
 286                                 regulator-max-microvolt = <1100000>;
 287                                 regulator-always-on;
 288                                 regulator-boot-on;
 289                         };
 290
 291                         buck3_reg: BUCK3 {
 292                                 regulator-name = "VDD_G3D_1.1V";
 293                                 regulator-min-microvolt = <900000>;
 294                                 regulator-max-microvolt = <1100000>;
 295                         };
 296
 297                         buck5_reg: BUCK5 {
 298                                 regulator-name = "VDDQ_M1M2_1.2V";
 299                                 regulator-min-microvolt = <1200000>;
 300                                 regulator-max-microvolt = <1200000>;
 301                                 regulator-always-on;
 302                         };
 303
 304                         buck7_reg: BUCK7 {
 305                                 regulator-name = "VDD_LCD_3.3V";
 306                                 regulator-min-microvolt = <3300000>;
 307                                 regulator-max-microvolt = <3300000>;
 308                                 regulator-boot-on;
 309                                 regulator-always-on;
 310                         };
 311
 312                         EN32KHZ_AP {
 313                                 regulator-name = "EN32KHZ_AP";
 314                                 regulator-always-on;
 315                         };
 316                 };
 317         };
 318 };
 319
 320 &pinctrl_1 {
 321         max8997_irq: max8997-irq-pins {
 322                 samsung,pins = "gpx0-3", "gpx0-4";
 323                 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 324         };
 325 };
 326
 327 &sdhci_0 {
 328         bus-width = <4>;
 329         pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_cd>;
 330         pinctrl-names = "default";
 331         vmmc-supply = <&mmc_reg>;
 332         status = "okay";
 333 };
 334
 335 &sdhci_2 {
 336         bus-width = <4>;
 337         pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
 338         pinctrl-names = "default";
 339         vmmc-supply = <&mmc_reg>;
 340         status = "okay";
 341 };
 342
 343 &serial_0 {
 344         status = "okay";
 345 };
 346
 347 &serial_1 {
 348         status = "okay";
 349 };
 350
 351 &serial_2 {
 352         status = "okay";
 353 };
 354
 355 &serial_3 {
 356         status = "okay";
 357 };
 358
 359 &rtc {
 360         status = "okay";
 361         clocks = <&clock CLK_RTC>, <&pmic_ap_clk>;
 362         clock-names = "rtc", "rtc_src";
 363 };
 364
 365 &tmu {
 366         status = "okay";
 367 };