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