arch/arm/dts/meson-gxbb-odroidc2.dts

   1 /*
   2  * Copyright (c) 2016 Andreas Färber
   3  * Copyright (c) 2016 BayLibre, Inc.
   4  * Author: Kevin Hilman <khilman@kernel.org>
   5  *
   6  * This file is dual-licensed: you can use it either under the terms
   7  * of the GPL or the X11 license, at your option. Note that this dual
   8  * licensing only applies to this file, and not this project as a
   9  * whole.
  10  *
  11  *  a) This library is free software; you can redistribute it and/or
  12  *     modify it under the terms of the GNU General Public License as
  13  *     published by the Free Software Foundation; either version 2 of the
  14  *     License, or (at your option) any later version.
  15  *
  16  *     This library is distributed in the hope that it will be useful,
  17  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  *     GNU General Public License for more details.
  20  *
  21  * Or, alternatively,
  22  *
  23  *  b) Permission is hereby granted, free of charge, to any person
  24  *     obtaining a copy of this software and associated documentation
  25  *     files (the "Software"), to deal in the Software without
  26  *     restriction, including without limitation the rights to use,
  27  *     copy, modify, merge, publish, distribute, sublicense, and/or
  28  *     sell copies of the Software, and to permit persons to whom the
  29  *     Software is furnished to do so, subject to the following
  30  *     conditions:
  31  *
  32  *     The above copyright notice and this permission notice shall be
  33  *     included in all copies or substantial portions of the Software.
  34  *
  35  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  36  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  37  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  38  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  39  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  40  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  41  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  42  *     OTHER DEALINGS IN THE SOFTWARE.
  43  */
  44
  45 /dts-v1/;
  46
  47 #include "meson-gxbb.dtsi"
  48 #include <dt-bindings/gpio/gpio.h>
  49
  50 / {
  51         compatible = "hardkernel,odroid-c2", "amlogic,meson-gxbb";
  52         model = "Hardkernel ODROID-C2";
  53
  54         aliases {
  55                 serial0 = &uart_AO;
  56         };
  57
  58         chosen {
  59                 stdout-path = "serial0:115200n8";
  60         };
  61
  62         memory@0 {
  63                 device_type = "memory";
  64                 reg = <0x0 0x0 0x0 0x80000000>;
  65         };
  66
  67         usb_otg_pwr: regulator-usb-pwrs {
  68                 compatible = "regulator-fixed";
  69
  70                 regulator-name = "USB_OTG_PWR";
  71
  72                 regulator-min-microvolt = <5000000>;
  73                 regulator-max-microvolt = <5000000>;
  74
  75                 gpio = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
  76                 enable-active-high;
  77         };
  78
  79         leds {
  80                 compatible = "gpio-leds";
  81                 blue {
  82                         label = "c2:blue:alive";
  83                         gpios = <&gpio_ao GPIOAO_13 GPIO_ACTIVE_LOW>;
  84                         linux,default-trigger = "heartbeat";
  85                         default-state = "off";
  86                 };
  87         };
  88
  89         tflash_vdd: regulator-tflash_vdd {
  90                 /*
  91                  * signal name from schematics: TFLASH_VDD_EN
  92                  */
  93                 compatible = "regulator-fixed";
  94
  95                 regulator-name = "TFLASH_VDD";
  96                 regulator-min-microvolt = <3300000>;
  97                 regulator-max-microvolt = <3300000>;
  98
  99                 gpio = <&gpio GPIOY_12 GPIO_ACTIVE_HIGH>;
 100                 enable-active-high;
 101         };
 102
 103         tf_io: gpio-regulator-tf_io {
 104                 compatible = "regulator-gpio";
 105
 106                 regulator-name = "TF_IO";
 107                 regulator-min-microvolt = <1800000>;
 108                 regulator-max-microvolt = <3300000>;
 109
 110                 /*
 111                  * signal name from schematics: TF_3V3N_1V8_EN
 112                  */
 113                 gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
 114                 gpios-states = <0>;
 115
 116                 states = <3300000 0
 117                           1800000 1>;
 118         };
 119
 120         vcc1v8: regulator-vcc1v8 {
 121                 compatible = "regulator-fixed";
 122                 regulator-name = "VCC1V8";
 123                 regulator-min-microvolt = <1800000>;
 124                 regulator-max-microvolt = <1800000>;
 125         };
 126
 127         vcc3v3: regulator-vcc3v3 {
 128                 compatible = "regulator-fixed";
 129                 regulator-name = "VCC3V3";
 130                 regulator-min-microvolt = <3300000>;
 131                 regulator-max-microvolt = <3300000>;
 132         };
 133
 134         emmc_pwrseq: emmc-pwrseq {
 135                 compatible = "mmc-pwrseq-emmc";
 136                 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
 137         };
 138 };
 139
 140 &scpi_clocks {
 141         status = "disabled";
 142 };
 143
 144 &uart_AO {
 145         status = "okay";
 146         pinctrl-0 = <&uart_ao_a_pins>;
 147         pinctrl-names = "default";
 148 };
 149
 150 &ethmac {
 151         status = "okay";
 152         pinctrl-0 = <&eth_rgmii_pins>;
 153         pinctrl-names = "default";
 154         phy-handle = <&eth_phy0>;
 155         phy-mode = "rgmii";
 156
 157         snps,reset-gpio = <&gpio GPIOZ_14 0>;
 158         snps,reset-delays-us = <0 10000 1000000>;
 159         snps,reset-active-low;
 160
 161         amlogic,tx-delay-ns = <2>;
 162
 163         mdio {
 164                 compatible = "snps,dwmac-mdio";
 165                 #address-cells = <1>;
 166                 #size-cells = <0>;
 167
 168                 eth_phy0: ethernet-phy@0 {
 169                         reg = <0>;
 170                         eee-broken-1000t;
 171                 };
 172         };
 173 };
 174
 175 &pinctrl_aobus {
 176         gpio-line-names = "UART TX", "UART RX", "VCCK En", "TF 3V3/1V8 En",
 177                           "USB HUB nRESET", "USB OTG Power En",
 178                           "J7 Header Pin2", "IR In", "J7 Header Pin4",
 179                           "J7 Header Pin6", "J7 Header Pin5", "J7 Header Pin7",
 180                           "HDMI CEC", "SYS LED";
 181 };
 182
 183 &pinctrl_periphs {
 184         gpio-line-names = /* Bank GPIOZ */
 185                           "Eth MDIO", "Eth MDC", "Eth RGMII RX Clk",
 186                           "Eth RX DV", "Eth RX D0", "Eth RX D1", "Eth RX D2",
 187                           "Eth RX D3", "Eth RGMII TX Clk", "Eth TX En",
 188                           "Eth TX D0", "Eth TX D1", "Eth TX D2", "Eth TX D3",
 189                           "Eth PHY nRESET", "Eth PHY Intc",
 190                           /* Bank GPIOH */
 191                           "HDMI HPD", "HDMI DDC SDA", "HDMI DDC SCL", "",
 192                           /* Bank BOOT */
 193                           "eMMC D0", "eMMC D1", "eMMC D2", "eMMC D3", "eMMC D4",
 194                           "eMMC D5", "eMMC D6", "eMMC D7", "eMMC Clk",
 195                           "eMMC Reset", "eMMC CMD",
 196                           "", "", "", "", "", "", "",
 197                           /* Bank CARD */
 198                           "SDCard D1", "SDCard D0", "SDCard CLK", "SDCard CMD",
 199                           "SDCard D3", "SDCard D2", "SDCard Det",
 200                           /* Bank GPIODV */
 201                           "", "", "", "", "", "", "", "", "", "", "", "", "",
 202                           "", "", "", "", "", "", "", "", "", "", "",
 203                           "I2C A SDA", "I2C A SCK", "I2C B SDA", "I2C B SCK",
 204                           "PWM D", "PWM B",
 205                           /* Bank GPIOY */
 206                           "Revision Bit0", "Revision Bit1", "",
 207                           "J2 Header Pin35", "", "", "", "J2 Header Pin36",
 208                           "J2 Header Pin31", "", "", "", "TF VDD En",
 209                           "J2 Header Pin32", "J2 Header Pin26", "", "",
 210                           /* Bank GPIOX */
 211                           "J2 Header Pin29", "J2 Header Pin24",
 212                           "J2 Header Pin23", "J2 Header Pin22",
 213                           "J2 Header Pin21", "J2 Header Pin18",
 214                           "J2 Header Pin33", "J2 Header Pin19",
 215                           "J2 Header Pin16", "J2 Header Pin15",
 216                           "J2 Header Pin12", "J2 Header Pin13",
 217                           "J2 Header Pin8", "J2 Header Pin10",
 218                           "", "", "", "", "",
 219                           "J2 Header Pin11", "", "J2 Header Pin7",
 220                           /* Bank GPIOCLK */
 221                           "", "", "", "",
 222                           /* GPIO_TEST_N */
 223                           "";
 224 };
 225
 226 &ir {
 227         status = "okay";
 228         pinctrl-0 = <&remote_input_ao_pins>;
 229         pinctrl-names = "default";
 230 };
 231
 232 &i2c_A {
 233         status = "okay";
 234         pinctrl-0 = <&i2c_a_pins>;
 235         pinctrl-names = "default";
 236 };
 237
 238 &gpio_ao {
 239         /*
 240          * WARNING: The USB Hub on the Odroid-C2 needs a reset signal
 241          * to be turned high in order to be detected by the USB Controller
 242          * This signal should be handled by a USB specific power sequence
 243          * in order to reset the Hub when USB bus is powered down.
 244          */
 245         usb-hub {
 246                 gpio-hog;
 247                 gpios = <GPIOAO_4 GPIO_ACTIVE_HIGH>;
 248                 output-high;
 249                 line-name = "usb-hub-reset";
 250         };
 251 };
 252
 253 &usb0_phy {
 254         status = "okay";
 255         phy-supply = <&usb_otg_pwr>;
 256 };
 257
 258 &usb1_phy {
 259         status = "okay";
 260 };
 261
 262 &usb0 {
 263         status = "okay";
 264 };
 265
 266 &usb1 {
 267         status = "okay";
 268 };
 269
 270 &saradc {
 271         status = "okay";
 272         vref-supply = <&vcc1v8>;
 273 };
 274
 275 /* SD */
 276 &sd_emmc_b {
 277         status = "okay";
 278         pinctrl-0 = <&sdcard_pins>;
 279         pinctrl-names = "default";
 280
 281         bus-width = <4>;
 282         cap-sd-highspeed;
 283         max-frequency = <100000000>;
 284         disable-wp;
 285
 286         cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
 287         cd-inverted;
 288
 289         vmmc-supply = <&tflash_vdd>;
 290         vqmmc-supply = <&tf_io>;
 291 };
 292
 293 /* eMMC */
 294 &sd_emmc_c {
 295         status = "okay";
 296         pinctrl-0 = <&emmc_pins>;
 297         pinctrl-names = "default";
 298
 299         bus-width = <8>;
 300         cap-sd-highspeed;
 301         max-frequency = <200000000>;
 302         non-removable;
 303         disable-wp;
 304         cap-mmc-highspeed;
 305         mmc-ddr-1_8v;
 306         mmc-hs200-1_8v;
 307
 308         mmc-pwrseq = <&emmc_pwrseq>;
 309         vmmc-supply = <&vcc3v3>;
 310         vqmmc-supply = <&vcc1v8>;
 311 };