arch/arm/boot/dts/sun6i-a31-hummingbird.dts

   1 /*
   2  * Copyright 2014 Maxime Ripard
   3  *
   4  * Maxime Ripard <maxime.ripard@free-electrons.com>
   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 file 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 file 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 #include "sun6i-a31.dtsi"
  47 #include "sunxi-common-regulators.dtsi"
  48
  49 #include <dt-bindings/gpio/gpio.h>
  50 #include <dt-bindings/pinctrl/sun4i-a10.h>
  51
  52 / {
  53         model = "Merrii A31 Hummingbird";
  54         compatible = "merrii,a31-hummingbird", "allwinner,sun6i-a31";
  55
  56         aliases {
  57                 rtc0 = &pcf8563;
  58                 rtc1 = &rtc;
  59                 serial0 = &uart0;
  60         };
  61
  62         chosen {
  63                 stdout-path = "serial0:115200n8";
  64         };
  65
  66         wifi_pwrseq: wifi_pwrseq {
  67                 compatible = "mmc-pwrseq-simple";
  68                 reset-gpios = <&pio 6 10 GPIO_ACTIVE_LOW>; /* PG10 */
  69         };
  70 };
  71
  72 &ehci0 {
  73         status = "okay";
  74 };
  75
  76 &gmac {
  77         pinctrl-names = "default";
  78         pinctrl-0 = <&gmac_pins_rgmii_a>, <&gmac_phy_reset_pin_hummingbird>;
  79         phy = <&phy1>;
  80         phy-mode = "rgmii";
  81         snps,reset-gpio = <&pio 0 21 GPIO_ACTIVE_HIGH>;
  82         snps,reset-active-low;
  83         snps,reset-delays-us = <0 10000 30000>;
  84         status = "okay";
  85
  86         phy1: ethernet-phy@1 {
  87                 reg = <1>;
  88         };
  89 };
  90
  91 &i2c0 {
  92         pinctrl-names = "default";
  93         pinctrl-0 = <&i2c0_pins_a>;
  94         /* pull-ups and devices require AXP221 DLDO3 */
  95         status = "failed";
  96 };
  97
  98 &i2c1 {
  99         pinctrl-names = "default";
 100         pinctrl-0 = <&i2c1_pins_a>;
 101         status = "okay";
 102 };
 103
 104 &i2c2 {
 105         pinctrl-names = "default";
 106         pinctrl-0 = <&i2c2_pins_a>;
 107         status = "okay";
 108
 109         pcf8563: rtc@51 {
 110                 compatible = "nxp,pcf8563";
 111                 reg = <0x51>;
 112         };
 113 };
 114
 115 &ir {
 116         pinctrl-names = "default";
 117         pinctrl-0 = <&ir_pins_a>;
 118         status = "okay";
 119 };
 120
 121 &mmc0 {
 122         pinctrl-names = "default";
 123         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_hummingbird>;
 124         vmmc-supply = <&vcc_3v0>;
 125         bus-width = <4>;
 126         cd-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */
 127         cd-inverted;
 128         status = "okay";
 129 };
 130
 131 &mmc0_pins_a {
 132         /* external pull-ups missing for some pins */
 133         allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 134 };
 135
 136 &mmc1 {
 137         pinctrl-names = "default";
 138         pinctrl-0 = <&mmc1_pins_a>, <&wifi_reset_pin_hummingbird>;
 139         vmmc-supply = <&vcc_wifi>;
 140         mmc-pwrseq = <&wifi_pwrseq>;
 141         bus-width = <4>;
 142         non-removable;
 143         status = "okay";
 144 };
 145
 146 &ohci0 {
 147         status = "okay";
 148 };
 149
 150 &pio {
 151         gmac_phy_reset_pin_hummingbird: gmac_phy_reset_pin@0 {
 152                 allwinner,pins = "PA21";
 153                 allwinner,function = "gpio_out";
 154                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 155                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 156         };
 157
 158         mmc0_cd_pin_hummingbird: mmc0_cd_pin@0 {
 159                 allwinner,pins = "PA8";
 160                 allwinner,function = "gpio_in";
 161                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 162                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 163         };
 164
 165         wifi_reset_pin_hummingbird: wifi_reset_pin@0 {
 166                 allwinner,pins = "PG10";
 167                 allwinner,function = "gpio_out";
 168                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 169                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 170         };
 171 };
 172
 173 &p2wi {
 174         status = "okay";
 175
 176         axp221: pmic@68 {
 177                 compatible = "x-powers,axp221";
 178                 reg = <0x68>;
 179                 interrupt-parent = <&nmi_intc>;
 180                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 181                 interrupt-controller;
 182                 #interrupt-cells = <1>;
 183
 184                 regulators {
 185                         x-powers,dcdc-freq = <3000>;
 186
 187                         vcc_3v0: dcdc1 {
 188                                 regulator-always-on;
 189                                 regulator-min-microvolt = <3000000>;
 190                                 regulator-max-microvolt = <3000000>;
 191                                 regulator-name = "vcc-3v0";
 192                         };
 193
 194                         vdd_gpu: dcdc2 {
 195                                 regulator-always-on;
 196                                 regulator-min-microvolt = <700000>;
 197                                 regulator-max-microvolt = <1320000>;
 198                                 regulator-name = "vdd-gpu";
 199                         };
 200
 201                         vdd_cpu: dcdc3 {
 202                                 regulator-always-on;
 203                                 regulator-min-microvolt = <700000>;
 204                                 regulator-max-microvolt = <1320000>;
 205                                 regulator-name = "vdd-cpu";
 206                         };
 207
 208                         vdd_sys_dll: dcdc4 {
 209                                 regulator-always-on;
 210                                 regulator-min-microvolt = <1100000>;
 211                                 regulator-max-microvolt = <1100000>;
 212                                 regulator-name = "vdd-sys-dll";
 213                         };
 214
 215                         vcc_dram: dcdc5 {
 216                                 regulator-always-on;
 217                                 regulator-min-microvolt = <1500000>;
 218                                 regulator-max-microvolt = <1500000>;
 219                                 regulator-name = "vcc-dram";
 220                         };
 221
 222                         vcc_wifi: aldo1 {
 223                                 regulator-min-microvolt = <3300000>;
 224                                 regulator-max-microvolt = <3300000>;
 225                                 regulator-name = "vcc_wifi";
 226                         };
 227
 228                         avcc: aldo3 {
 229                                 regulator-always-on;
 230                                 regulator-min-microvolt = <3000000>;
 231                                 regulator-max-microvolt = <3000000>;
 232                                 regulator-name = "avcc";
 233                         };
 234                 };
 235         };
 236 };
 237
 238 &reg_usb1_vbus {
 239         gpio = <&pio 7 24 GPIO_ACTIVE_HIGH>; /* PH24 */
 240         status = "okay";
 241 };
 242
 243 &uart0 {
 244         pinctrl-names = "default";
 245         pinctrl-0 = <&uart0_pins_a>;
 246         status = "okay";
 247 };
 248
 249 &usb1_vbus_pin_a {
 250         /* different pin from sunxi-common-regulators */
 251         allwinner,pins = "PH24";
 252 };
 253
 254 &usbphy {
 255         usb1_vbus-supply = <&reg_usb1_vbus>;
 256         status = "okay";
 257 };