arch/arm/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 &cpu0 {
  73         cpu-supply = <&reg_dcdc3>;
  74 };
  75
  76 &ehci0 {
  77         status = "okay";
  78 };
  79
  80 &gmac {
  81         pinctrl-names = "default";
  82         pinctrl-0 = <&gmac_pins_rgmii_a>, <&gmac_phy_reset_pin_hummingbird>;
  83         phy = <&phy1>;
  84         phy-mode = "rgmii";
  85         snps,reset-gpio = <&pio 0 21 GPIO_ACTIVE_HIGH>;
  86         snps,reset-active-low;
  87         snps,reset-delays-us = <0 10000 30000>;
  88         status = "okay";
  89
  90         phy1: ethernet-phy@1 {
  91                 reg = <1>;
  92         };
  93 };
  94
  95 &i2c0 {
  96         pinctrl-names = "default";
  97         pinctrl-0 = <&i2c0_pins_a>;
  98         /* pull-ups and devices require AXP221 DLDO3 */
  99         status = "failed";
 100 };
 101
 102 &i2c1 {
 103         pinctrl-names = "default";
 104         pinctrl-0 = <&i2c1_pins_a>;
 105         status = "okay";
 106 };
 107
 108 &i2c2 {
 109         pinctrl-names = "default";
 110         pinctrl-0 = <&i2c2_pins_a>;
 111         status = "okay";
 112
 113         pcf8563: rtc@51 {
 114                 compatible = "nxp,pcf8563";
 115                 reg = <0x51>;
 116         };
 117 };
 118
 119 &ir {
 120         pinctrl-names = "default";
 121         pinctrl-0 = <&ir_pins_a>;
 122         status = "okay";
 123 };
 124
 125 &mmc0 {
 126         pinctrl-names = "default";
 127         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_hummingbird>;
 128         vmmc-supply = <&reg_dcdc1>;
 129         bus-width = <4>;
 130         cd-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */
 131         cd-inverted;
 132         status = "okay";
 133 };
 134
 135 &mmc0_pins_a {
 136         /* external pull-ups missing for some pins */
 137         allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 138 };
 139
 140 &mmc1 {
 141         pinctrl-names = "default";
 142         pinctrl-0 = <&mmc1_pins_a>, <&wifi_reset_pin_hummingbird>;
 143         vmmc-supply = <&reg_aldo1>;
 144         mmc-pwrseq = <&wifi_pwrseq>;
 145         bus-width = <4>;
 146         non-removable;
 147         status = "okay";
 148 };
 149
 150 &ohci0 {
 151         status = "okay";
 152 };
 153
 154 &pio {
 155         gmac_phy_reset_pin_hummingbird: gmac_phy_reset_pin@0 {
 156                 allwinner,pins = "PA21";
 157                 allwinner,function = "gpio_out";
 158                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 159                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 160         };
 161
 162         mmc0_cd_pin_hummingbird: mmc0_cd_pin@0 {
 163                 allwinner,pins = "PA8";
 164                 allwinner,function = "gpio_in";
 165                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 166                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 167         };
 168
 169         wifi_reset_pin_hummingbird: wifi_reset_pin@0 {
 170                 allwinner,pins = "PG10";
 171                 allwinner,function = "gpio_out";
 172                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 173                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 174         };
 175 };
 176
 177 &p2wi {
 178         status = "okay";
 179
 180         axp22x: pmic@68 {
 181                 compatible = "x-powers,axp221";
 182                 reg = <0x68>;
 183                 interrupt-parent = <&nmi_intc>;
 184                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 185         };
 186 };
 187
 188 #include "axp22x.dtsi"
 189
 190 &reg_aldo1 {
 191         regulator-min-microvolt = <3300000>;
 192         regulator-max-microvolt = <3300000>;
 193         regulator-name = "vcc-wifi";
 194 };
 195
 196 &reg_aldo3 {
 197         regulator-always-on;
 198         regulator-min-microvolt = <2700000>;
 199         regulator-max-microvolt = <3300000>;
 200         regulator-name = "avcc";
 201 };
 202
 203 &reg_dc5ldo {
 204         regulator-min-microvolt = <700000>;
 205         regulator-max-microvolt = <1320000>;
 206         regulator-name = "vdd-cpus";
 207 };
 208
 209 &reg_dcdc1 {
 210         regulator-always-on;
 211         regulator-min-microvolt = <3000000>;
 212         regulator-max-microvolt = <3000000>;
 213         regulator-name = "vcc-3v0";
 214 };
 215
 216 &reg_dcdc2 {
 217         regulator-min-microvolt = <700000>;
 218         regulator-max-microvolt = <1320000>;
 219         regulator-name = "vdd-gpu";
 220 };
 221
 222 &reg_dcdc3 {
 223         regulator-always-on;
 224         regulator-min-microvolt = <700000>;
 225         regulator-max-microvolt = <1320000>;
 226         regulator-name = "vdd-cpu";
 227 };
 228
 229 &reg_dcdc4 {
 230         regulator-always-on;
 231         regulator-min-microvolt = <700000>;
 232         regulator-max-microvolt = <1320000>;
 233         regulator-name = "vdd-sys-dll";
 234 };
 235
 236 &reg_dcdc5 {
 237         regulator-always-on;
 238         regulator-min-microvolt = <1500000>;
 239         regulator-max-microvolt = <1500000>;
 240         regulator-name = "vcc-dram";
 241 };
 242
 243 &reg_usb1_vbus {
 244         gpio = <&pio 7 24 GPIO_ACTIVE_HIGH>; /* PH24 */
 245         status = "okay";
 246 };
 247
 248 &uart0 {
 249         pinctrl-names = "default";
 250         pinctrl-0 = <&uart0_pins_a>;
 251         status = "okay";
 252 };
 253
 254 &usb1_vbus_pin_a {
 255         /* different pin from sunxi-common-regulators */
 256         allwinner,pins = "PH24";
 257 };
 258
 259 &usbphy {
 260         usb1_vbus-supply = <&reg_usb1_vbus>;
 261         status = "okay";
 262 };