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  *     You should have received a copy of the GNU General Public
  22  *     License along with this file; if not, write to the Free
  23  *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
  24  *     MA 02110-1301 USA
  25  *
  26  * Or, alternatively,
  27  *
  28  *  b) Permission is hereby granted, free of charge, to any person
  29  *     obtaining a copy of this software and associated documentation
  30  *     files (the "Software"), to deal in the Software without
  31  *     restriction, including without limitation the rights to use,
  32  *     copy, modify, merge, publish, distribute, sublicense, and/or
  33  *     sell copies of the Software, and to permit persons to whom the
  34  *     Software is furnished to do so, subject to the following
  35  *     conditions:
  36  *
  37  *     The above copyright notice and this permission notice shall be
  38  *     included in all copies or substantial portions of the Software.
  39  *
  40  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  41  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  42  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  43  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  44  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  45  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  46  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  47  *     OTHER DEALINGS IN THE SOFTWARE.
  48  */
  49
  50 /dts-v1/;
  51 #include "sun6i-a31.dtsi"
  52 #include "sunxi-common-regulators.dtsi"
  53
  54 #include <dt-bindings/gpio/gpio.h>
  55 #include <dt-bindings/pinctrl/sun4i-a10.h>
  56
  57 / {
  58         model = "Merrii A31 Hummingbird";
  59         compatible = "merrii,a31-hummingbird", "allwinner,sun6i-a31";
  60
  61         aliases {
  62                 serial0 = &uart0;
  63         };
  64
  65         chosen {
  66                 stdout-path = "serial0:115200n8";
  67         };
  68
  69         wifi_pwrseq: wifi_pwrseq {
  70                 compatible = "mmc-pwrseq-simple";
  71                 reset-gpios = <&pio 6 10 GPIO_ACTIVE_LOW>; /* PG10 */
  72         };
  73 };
  74
  75 &ehci0 {
  76         status = "okay";
  77 };
  78
  79 &gmac {
  80         pinctrl-names = "default";
  81         pinctrl-0 = <&gmac_pins_rgmii_a>;
  82         phy = <&phy1>;
  83         phy-mode = "rgmii";
  84         snps,reset-gpio = <&pio 0 21 GPIO_ACTIVE_HIGH>;
  85         snps,reset-active-low;
  86         snps,reset-delays-us = <0 10000 30000>;
  87         status = "okay";
  88
  89         phy1: ethernet-phy@1 {
  90                 reg = <1>;
  91         };
  92 };
  93
  94 &i2c0 {
  95         pinctrl-names = "default";
  96         pinctrl-0 = <&i2c0_pins_a>;
  97         /* pull-ups and devices require AXP221 DLDO3 */
  98         status = "failed";
  99 };
 100
 101 &i2c1 {
 102         pinctrl-names = "default";
 103         pinctrl-0 = <&i2c1_pins_a>;
 104         status = "okay";
 105 };
 106
 107 &i2c2 {
 108         pinctrl-names = "default";
 109         pinctrl-0 = <&i2c2_pins_a>;
 110         status = "okay";
 111
 112         pcf8563: rtc@51 {
 113                 compatible = "nxp,pcf8563";
 114                 reg = <0x51>;
 115         };
 116 };
 117
 118 &ir {
 119         pinctrl-names = "default";
 120         pinctrl-0 = <&ir_pins_a>;
 121         status = "okay";
 122 };
 123
 124 &mmc0 {
 125         pinctrl-names = "default";
 126         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_hummingbird>;
 127         vmmc-supply = <&vcc_3v0>;
 128         bus-width = <4>;
 129         cd-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */
 130         cd-inverted;
 131         status = "okay";
 132 };
 133
 134 &mmc0_pins_a {
 135         /* external pull-ups missing for some pins */
 136         allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 137 };
 138
 139 &mmc1 {
 140         pinctrl-names = "default";
 141         pinctrl-0 = <&mmc1_pins_a>, <&wifi_reset_pin_hummingbird>;
 142         vmmc-supply = <&vcc_wifi>;
 143         mmc-pwrseq = <&wifi_pwrseq>;
 144         bus-width = <4>;
 145         non-removable;
 146         status = "okay";
 147 };
 148
 149 &ohci0 {
 150         status = "okay";
 151 };
 152
 153 &pio {
 154         mmc0_cd_pin_hummingbird: mmc0_cd_pin@0 {
 155                 allwinner,pins = "PA8";
 156                 allwinner,function = "gpio_in";
 157                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 158                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 159         };
 160
 161         wifi_reset_pin_hummingbird: wifi_reset_pin@0 {
 162                 allwinner,pins = "PG10";
 163                 allwinner,function = "gpio_out";
 164                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 165                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 166         };
 167 };
 168
 169 &p2wi {
 170         status = "okay";
 171
 172         axp221: pmic@68 {
 173                 compatible = "x-powers,axp221";
 174                 reg = <0x68>;
 175                 interrupt-parent = <&nmi_intc>;
 176                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 177                 interrupt-controller;
 178                 #interrupt-cells = <1>;
 179                 dcdc1-supply = <&vcc_3v0>;
 180                 dcdc5-supply = <&vcc_dram>;
 181
 182                 regulators {
 183                         x-powers,dcdc-freq = <3000>;
 184
 185                         vcc_3v0: dcdc1 {
 186                                 regulator-always-on;
 187                                 regulator-min-microvolt = <3000000>;
 188                                 regulator-max-microvolt = <3000000>;
 189                                 regulator-name = "vcc-3v0";
 190                         };
 191
 192                         vdd_cpu: dcdc2 {
 193                                 regulator-always-on;
 194                                 regulator-min-microvolt = <700000>;
 195                                 regulator-max-microvolt = <1320000>;
 196                                 regulator-name = "vdd-cpu";
 197                         };
 198
 199                         vdd_gpu: dcdc3 {
 200                                 regulator-always-on;
 201                                 regulator-min-microvolt = <700000>;
 202                                 regulator-max-microvolt = <1320000>;
 203                                 regulator-name = "vdd-gpu";
 204                         };
 205
 206                         vdd_sys_dll: dcdc4 {
 207                                 regulator-always-on;
 208                                 regulator-min-microvolt = <1100000>;
 209                                 regulator-max-microvolt = <1100000>;
 210                                 regulator-name = "vdd-sys-dll";
 211                         };
 212
 213                         vcc_dram: dcdc5 {
 214                                 regulator-always-on;
 215                                 regulator-min-microvolt = <1500000>;
 216                                 regulator-max-microvolt = <1500000>;
 217                                 regulator-name = "vcc-dram";
 218                         };
 219
 220                         vcc_wifi: aldo1 {
 221                                 regulator-min-microvolt = <3300000>;
 222                                 regulator-max-microvolt = <3300000>;
 223                                 regulator-name = "vcc_wifi";
 224                         };
 225
 226                         avcc: aldo3 {
 227                                 regulator-always-on;
 228                                 regulator-min-microvolt = <3000000>;
 229                                 regulator-max-microvolt = <3000000>;
 230                                 regulator-name = "avcc";
 231                         };
 232                 };
 233         };
 234 };
 235
 236 &reg_usb1_vbus {
 237         gpio = <&pio 7 24 GPIO_ACTIVE_HIGH>; /* PH24 */
 238         status = "okay";
 239 };
 240
 241 &uart0 {
 242         pinctrl-names = "default";
 243         pinctrl-0 = <&uart0_pins_a>;
 244         status = "okay";
 245 };
 246
 247 &usb1_vbus_pin_a {
 248         /* different pin from sunxi-common-regulators */
 249         allwinner,pins = "PH24";
 250 };
 251
 252 &usbphy {
 253         usb1_vbus-supply = <&reg_usb1_vbus>;
 254         status = "okay";
 255 };