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
  56 / {
  57         model = "Merrii A31 Hummingbird";
  58         compatible = "merrii,a31-hummingbird", "allwinner,sun6i-a31";
  59
  60         chosen {
  61                 bootargs = "earlyprintk console=ttyS0,115200";
  62         };
  63
  64         soc@01c00000 {
  65                 mmc0: mmc@01c0f000 {
  66                         pinctrl-names = "default";
  67                         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_hummingbird>;
  68                         vmmc-supply = <&reg_vcc3v0>;
  69                         bus-width = <4>;
  70                         cd-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */
  71                         cd-inverted;
  72                         status = "okay";
  73                 };
  74
  75                 usbphy: phy@01c19400 {
  76                         usb1_vbus-supply = <&reg_usb1_vbus>;
  77                         status = "okay";
  78                 };
  79
  80                 ehci0: usb@01c1a000 {
  81                         status = "okay";
  82                 };
  83
  84                 ohci0: usb@01c1a400 {
  85                         status = "okay";
  86                 };
  87
  88                 pio: pinctrl@01c20800 {
  89                         mmc0_pins_a: mmc0@0 {
  90                                 /* external pull-ups missing for some pins */
  91                                 allwinner,pull = <1>;
  92                         };
  93
  94                         mmc0_cd_pin_hummingbird: mmc0_cd_pin@0 {
  95                                 allwinner,pins = "PA8";
  96                                 allwinner,function = "gpio_in";
  97                                 allwinner,drive = <0>;
  98                                 allwinner,pull = <1>;
  99                         };
 100
 101                         usb1_vbus_pin_a: usb1_vbus_pin@0 {
 102                                 allwinner,pins = "PH24";
 103                                 allwinner,function = "gpio_out";
 104                                 allwinner,drive = <0>;
 105                                 allwinner,pull = <0>;
 106                         };
 107                 };
 108
 109                 uart0: serial@01c28000 {
 110                         pinctrl-names = "default";
 111                         pinctrl-0 = <&uart0_pins_a>;
 112                         status = "okay";
 113                 };
 114
 115                 i2c0: i2c@01c2ac00 {
 116                         pinctrl-names = "default";
 117                         pinctrl-0 = <&i2c0_pins_a>;
 118                         /* pull-ups and devices require AXP221 DLDO3 */
 119                         status = "failed";
 120                 };
 121
 122                 i2c1: i2c@01c2b000 {
 123                         pinctrl-names = "default";
 124                         pinctrl-0 = <&i2c1_pins_a>;
 125                         status = "okay";
 126                 };
 127
 128                 i2c2: i2c@01c2b400 {
 129                         pinctrl-names = "default";
 130                         pinctrl-0 = <&i2c2_pins_a>;
 131                         status = "okay";
 132
 133                         pcf8563: rtc@51 {
 134                                 compatible = "nxp,pcf8563";
 135                                 reg = <0x51>;
 136                         };
 137                 };
 138
 139                 gmac: ethernet@01c30000 {
 140                         pinctrl-names = "default";
 141                         pinctrl-0 = <&gmac_pins_rgmii_a>;
 142                         phy = <&phy1>;
 143                         phy-mode = "rgmii";
 144                         snps,reset-gpio = <&pio 0 21 GPIO_ACTIVE_HIGH>;
 145                         snps,reset-active-low;
 146                         snps,reset-delays-us = <0 10000 30000>;
 147                         status = "okay";
 148
 149                         phy1: ethernet-phy@1 {
 150                                 reg = <1>;
 151                         };
 152                 };
 153         };
 154
 155         reg_usb1_vbus: usb1-vbus {
 156                 pinctrl-0 = <&usb1_vbus_pin_a>;
 157                 gpio = <&pio 7 24 GPIO_ACTIVE_HIGH>; /* PH24 */
 158                 status = "okay";
 159         };
 160 };