arch/arm/boot/dts/meson8b-odroidc1.dts

   1 // SPDX-License-Identifier: GPL-2.0 OR MIT
   2 /*
   3  * Copyright 2015 Endless Mobile, Inc.
   4  * Author: Carlo Caione <carlo@endlessm.com>
   5  */
   6
   7 /dts-v1/;
   8 #include "meson8b.dtsi"
   9 #include <dt-bindings/gpio/gpio.h>
  10
  11 / {
  12         model = "Hardkernel ODROID-C1";
  13         compatible = "hardkernel,odroid-c1", "amlogic,meson8b";
  14
  15         aliases {
  16                 serial0 = &uart_AO;
  17                 mmc0 = &sd_card_slot;
  18                 mmc1 = &sdhc;
  19         };
  20
  21         chosen {
  22                 stdout-path = "serial0:115200n8";
  23         };
  24
  25         memory {
  26                 device_type = "memory";
  27                 reg = <0x40000000 0x40000000>;
  28         };
  29
  30         emmc_pwrseq: emmc-pwrseq {
  31                 compatible = "mmc-pwrseq-emmc";
  32                 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
  33         };
  34
  35         leds {
  36                 compatible = "gpio-leds";
  37                 blue {
  38                         label = "c1:blue:alive";
  39                         gpios = <&gpio_ao GPIOAO_13 GPIO_ACTIVE_LOW>;
  40                         linux,default-trigger = "heartbeat";
  41                         default-state = "off";
  42                 };
  43         };
  44
  45         p5v0: regulator-p5v0 {
  46                 compatible = "regulator-fixed";
  47
  48                 regulator-name = "P5V0";
  49                 regulator-min-microvolt = <5000000>;
  50                 regulator-max-microvolt = <5000000>;
  51         };
  52
  53         tflash_vdd: regulator-tflash_vdd {
  54                 /*
  55                  * signal name from schematics: TFLASH_VDD_EN
  56                  */
  57                 compatible = "regulator-fixed";
  58
  59                 regulator-name = "TFLASH_VDD";
  60                 regulator-min-microvolt = <3300000>;
  61                 regulator-max-microvolt = <3300000>;
  62
  63                 vin-supply = <&vcc_3v3>;
  64
  65                 gpio = <&gpio GPIOY_12 GPIO_ACTIVE_HIGH>;
  66                 enable-active-high;
  67         };
  68
  69         tf_io: gpio-regulator-tf_io {
  70                 compatible = "regulator-gpio";
  71
  72                 regulator-name = "TF_IO";
  73                 regulator-min-microvolt = <1800000>;
  74                 regulator-max-microvolt = <3300000>;
  75
  76                 vin-supply = <&vcc_3v3>;
  77
  78                 /*
  79                  * signal name from schematics: TF_3V3N_1V8_EN
  80                  */
  81                 gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
  82                 gpios-states = <0>;
  83
  84                 states = <3300000 0
  85                           1800000 1>;
  86         };
  87
  88         iio-hwmon {
  89                 compatible = "iio-hwmon";
  90                 io-channels = <&saradc 8>;
  91         };
  92
  93         rtc32k_xtal: rtc32k-xtal-clk {
  94                 /* X3 in the schematics */
  95                 compatible = "fixed-clock";
  96                 clock-frequency = <32768>;
  97                 clock-output-names = "RTC32K";
  98                 #clock-cells = <0>;
  99         };
 100
 101         vcc_1v8: regulator-vcc-1v8 {
 102                 /*
 103                  * RICHTEK RT9179 configured for a fixed output voltage of
 104                  * 1.8V. This supplies not only VCC1V8 but also IOREF_1V8 and
 105                  * VDD1V8 according to the schematics.
 106                  */
 107                 compatible = "regulator-fixed";
 108
 109                 regulator-name = "VCC1V8";
 110                 regulator-min-microvolt = <1800000>;
 111                 regulator-max-microvolt = <1800000>;
 112
 113                 vin-supply = <&p5v0>;
 114         };
 115
 116         vcc_3v3: regulator-vcc-3v3 {
 117                 /*
 118                  * Monolithic Power Systems MP2161 configured for a fixed
 119                  * output voltage of 3.3V. This supplies not only VCC3V3 but
 120                  * also VDD3V3 and VDDIO_AO3V3 according to the schematics.
 121                  */
 122                 compatible = "regulator-fixed";
 123
 124                 regulator-name = "VCC3V3";
 125                 regulator-min-microvolt = <3300000>;
 126                 regulator-max-microvolt = <3300000>;
 127
 128                 vin-supply = <&p5v0>;
 129         };
 130
 131         vcck: regulator-vcck {
 132                 /* Monolithic Power Systems MP2161 */
 133                 compatible = "pwm-regulator";
 134
 135                 regulator-name = "VCCK";
 136                 regulator-min-microvolt = <860000>;
 137                 regulator-max-microvolt = <1140000>;
 138
 139                 vin-supply = <&p5v0>;
 140
 141                 pwms = <&pwm_cd 0 12218 0>;
 142                 pwm-dutycycle-range = <91 0>;
 143
 144                 regulator-boot-on;
 145                 regulator-always-on;
 146         };
 147
 148         vddc_ddr: regulator-vddc-ddr {
 149                 /*
 150                  * Monolithic Power Systems MP2161 configured for a fixed
 151                  * output voltage of 1.5V. This supplies not only DDR_VDDC but
 152                  * also DDR3_1V5 according to the schematics.
 153                  */
 154                 compatible = "regulator-fixed";
 155
 156                 regulator-name = "DDR_VDDC";
 157                 regulator-min-microvolt = <1500000>;
 158                 regulator-max-microvolt = <1500000>;
 159
 160                 vin-supply = <&p5v0>;
 161         };
 162
 163         vddee: regulator-vddee {
 164                 /* Monolithic Power Systems MP2161 */
 165                 compatible = "pwm-regulator";
 166
 167                 regulator-name = "VDDEE";
 168                 regulator-min-microvolt = <860000>;
 169                 regulator-max-microvolt = <1140000>;
 170
 171                 vin-supply = <&p5v0>;
 172
 173                 pwms = <&pwm_cd 1 12218 0>;
 174                 pwm-dutycycle-range = <91 0>;
 175
 176                 regulator-boot-on;
 177                 regulator-always-on;
 178         };
 179
 180         vdd_rtc: regulator-vdd-rtc {
 181                 /*
 182                  * Torex Semiconductor XC6215 configured for a fixed output of
 183                  * 0.9V.
 184                  */
 185                 compatible = "regulator-fixed";
 186
 187                 regulator-name = "VDD_RTC";
 188                 regulator-min-microvolt = <900000>;
 189                 regulator-max-microvolt = <900000>;
 190
 191                 vin-supply = <&vcc_3v3>;
 192         };
 193 };
 194
 195 &cpu0 {
 196         cpu-supply = <&vcck>;
 197 };
 198
 199 &efuse {
 200         ethernet_mac_address: mac@1b4 {
 201                 reg = <0x1b4 0x6>;
 202         };
 203 };
 204
 205 &ethmac {
 206         status = "okay";
 207
 208         pinctrl-0 = <&eth_rgmii_pins>;
 209         pinctrl-names = "default";
 210
 211         phy-handle = <&eth_phy>;
 212         phy-mode = "rgmii-id";
 213
 214         nvmem-cells = <&ethernet_mac_address>;
 215         nvmem-cell-names = "mac-address";
 216
 217         mdio {
 218                 compatible = "snps,dwmac-mdio";
 219                 #address-cells = <1>;
 220                 #size-cells = <0>;
 221
 222                 /* Realtek RTL8211F (0x001cc916) */
 223                 eth_phy: ethernet-phy@0 {
 224                         reg = <0>;
 225
 226                         reset-assert-us = <10000>;
 227                         reset-deassert-us = <80000>;
 228                         reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;
 229
 230                         interrupt-parent = <&gpio_intc>;
 231                         /* GPIOH_3 */
 232                         interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
 233                 };
 234         };
 235 };
 236
 237 &gpio {
 238         gpio-line-names = /* Bank GPIOX */
 239                           "J2 Header Pin 35", "J2 Header Pin 36",
 240                           "J2 Header Pin 32", "J2 Header Pin 31",
 241                           "J2 Header Pin 29", "J2 Header Pin 18",
 242                           "J2 Header Pin 22", "J2 Header Pin 16",
 243                           "J2 Header Pin 23", "J2 Header Pin 21",
 244                           "J2 Header Pin 19", "J2 Header Pin 33",
 245                           "J2 Header Pin 8", "J2 Header Pin 10",
 246                           "J2 Header Pin 15", "J2 Header Pin 13",
 247                           "J2 Header Pin 24", "J2 Header Pin 26",
 248                           /* Bank GPIOY */
 249                           "Revision (upper)", "Revision (lower)",
 250                           "J2 Header Pin 7", "", "J2 Header Pin 12",
 251                           "J2 Header Pin 11", "", "", "",
 252                           "TFLASH_VDD_EN", "", "",
 253                           /* Bank GPIODV */
 254                           "VCCK_PWM (PWM_C)", "I2CA_SDA", "I2CA_SCL",
 255                           "I2CB_SDA", "I2CB_SCL", "VDDEE_PWM (PWM_D)",
 256                           "",
 257                           /* Bank GPIOH */
 258                           "HDMI_HPD", "HDMI_I2C_SDA", "HDMI_I2C_SCL",
 259                           "ETH_PHY_INTR", "ETH_PHY_NRST", "ETH_TXD1",
 260                           "ETH_TXD0", "ETH_TXD3", "ETH_TXD2",
 261                           "ETH_RGMII_TX_CLK",
 262                           /* Bank CARD */
 263                           "SD_DATA1 (SDB_D1)", "SD_DATA0 (SDB_D0)",
 264                           "SD_CLK",  "SD_CMD", "SD_DATA3 (SDB_D3)",
 265                           "SD_DATA2 (SDB_D2)", "SD_CDN (SD_DET_N)",
 266                           /* Bank BOOT */
 267                           "SDC_D0 (EMMC)", "SDC_D1 (EMMC)",
 268                           "SDC_D2 (EMMC)", "SDC_D3 (EMMC)",
 269                           "SDC_D4 (EMMC)", "SDC_D5 (EMMC)",
 270                           "SDC_D6 (EMMC)", "SDC_D7 (EMMC)",
 271                           "SDC_CLK (EMMC)", "SDC_RSTn (EMMC)",
 272                           "SDC_CMD (EMMC)", "BOOT_SEL", "", "", "",
 273                           "", "", "", "",
 274                           /* Bank DIF */
 275                           "ETH_RXD1", "ETH_RXD0", "ETH_RX_DV",
 276                           "RGMII_RX_CLK", "ETH_RXD3", "ETH_RXD2",
 277                           "ETH_TXEN", "ETH_PHY_REF_CLK_25MOUT",
 278                           "ETH_MDC", "ETH_MDIO";
 279 };
 280
 281 &gpio_ao {
 282         gpio-line-names = "UART TX", "UART RX", "",
 283                           "TF_3V3N_1V8_EN", "USB_HUB_RST_N",
 284                           "USB_OTG_PWREN", "J7 Header Pin 2",
 285                           "IR_IN", "J7 Header Pin 4",
 286                           "J7 Header Pin 6", "J7 Header Pin 5",
 287                           "J7 Header Pin 7", "HDMI_CEC",
 288                           "SYS_LED", "", "";
 289
 290         /*
 291          * WARNING: The USB Hub on the Odroid-C1/C1+ needs a reset signal
 292          * to be turned high in order to be detected by the USB Controller.
 293          * This signal should be handled by a USB specific power sequence
 294          * in order to reset the Hub when USB bus is powered down.
 295          */
 296         usb-hub {
 297                 gpio-hog;
 298                 gpios = <GPIOAO_4 GPIO_ACTIVE_HIGH>;
 299                 output-high;
 300                 line-name = "usb-hub-reset";
 301         };
 302 };
 303
 304 &ir_receiver {
 305         status = "okay";
 306         pinctrl-0 = <&ir_recv_pins>;
 307         pinctrl-names = "default";
 308 };
 309
 310 &mali {
 311         mali-supply = <&vddee>;
 312 };
 313
 314 &saradc {
 315         status = "okay";
 316         vref-supply = <&vcc_1v8>;
 317 };
 318
 319 &sdhc {
 320         status = "okay";
 321
 322         pinctrl-0 = <&sdxc_c_pins>;
 323         pinctrl-names = "default";
 324
 325         bus-width = <8>;
 326         max-frequency = <100000000>;
 327
 328         disable-wp;
 329         cap-mmc-highspeed;
 330         mmc-hs200-1_8v;
 331         no-sdio;
 332
 333         mmc-pwrseq = <&emmc_pwrseq>;
 334
 335         vmmc-supply = <&vcc_3v3>;
 336         vqmmc-supply = <&vcc_1v8>;
 337 };
 338
 339 &sdio {
 340         status = "okay";
 341
 342         pinctrl-0 = <&sd_b_pins>;
 343         pinctrl-names = "default";
 344
 345         /* SD card */
 346         sd_card_slot: slot@1 {
 347                 compatible = "mmc-slot";
 348                 reg = <1>;
 349                 status = "okay";
 350
 351                 bus-width = <4>;
 352                 no-sdio;
 353                 cap-mmc-highspeed;
 354                 cap-sd-highspeed;
 355                 disable-wp;
 356
 357                 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
 358
 359                 vmmc-supply = <&tflash_vdd>;
 360                 vqmmc-supply = <&tf_io>;
 361         };
 362 };
 363
 364 &pwm_cd {
 365         status = "okay";
 366         pinctrl-0 = <&pwm_c1_pins>, <&pwm_d_pins>;
 367         pinctrl-names = "default";
 368         clocks = <&xtal>, <&xtal>;
 369         clock-names = "clkin0", "clkin1";
 370 };
 371
 372 &rtc {
 373         /* needs to be enabled manually when a battery is connected */
 374         clocks = <&rtc32k_xtal>;
 375         vdd-supply = <&vdd_rtc>;
 376 };
 377
 378 &uart_AO {
 379         status = "okay";
 380         pinctrl-0 = <&uart_ao_a_pins>;
 381         pinctrl-names = "default";
 382 };
 383
 384 &usb1_phy {
 385         status = "okay";
 386 };
 387
 388 &usb1 {
 389         status = "okay";
 390 };