arch/arm/boot/dts/sun9i-a80-optimus.dts

   1 /*
   2  * Copyright 2014 Chen-Yu Tsai
   3  *
   4  * Chen-Yu Tsai <wens@csie.org>
   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 "sun9i-a80.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 A80 Optimus Board";
  59         compatible = "merrii,a80-optimus", "allwinner,sun9i-a80";
  60
  61         aliases {
  62                 serial0 = &uart0;
  63                 serial1 = &uart4;
  64         };
  65
  66         chosen {
  67                 bootargs = "earlyprintk console=ttyS0,115200";
  68         };
  69
  70         leds {
  71                 compatible = "gpio-leds";
  72                 pinctrl-names = "default";
  73                 pinctrl-0 = <&led_pins_optimus>;
  74
  75                 /* The LED names match those found on the board */
  76
  77                 led2 {
  78                         label = "optimus:led2:usr";
  79                         gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>;
  80                 };
  81
  82                 /* led3 is on PM15, in R_PIO */
  83
  84                 led4 {
  85                         label = "optimus:led4:usr";
  86                         gpios = <&pio 7 0 GPIO_ACTIVE_HIGH>;
  87                 };
  88         };
  89 };
  90
  91 &i2c3 {
  92         pinctrl-names = "default";
  93         pinctrl-0 = <&i2c3_pins_a>;
  94         status = "okay";
  95 };
  96
  97 &i2c3_pins_a {
  98         /* Enable internal pull-up */
  99         allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 100 };
 101
 102 &pio {
 103         led_pins_optimus: led-pins@0 {
 104                 allwinner,pins = "PH0", "PH1";
 105                 allwinner,function = "gpio_out";
 106                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 107                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 108         };
 109
 110         mmc0_cd_pin_optimus: mmc0_cd_pin@0 {
 111                 allwinner,pins = "PH18";
 112                 allwinner,function = "gpio_in";
 113                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 114                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 115         };
 116 };
 117
 118 &mmc0 {
 119         pinctrl-names = "default";
 120         pinctrl-0 = <&mmc0_pins>, <&mmc0_cd_pin_optimus>;
 121         vmmc-supply = <&reg_vcc3v0>;
 122         bus-width = <4>;
 123         cd-gpios = <&pio 7 18 GPIO_ACTIVE_HIGH>; /* PH8 */
 124         cd-inverted;
 125         status = "okay";
 126 };
 127
 128 &mmc2 {
 129         pinctrl-names = "default";
 130         pinctrl-0 = <&mmc2_8bit_pins>;
 131         vmmc-supply = <&reg_vcc3v0>;
 132         bus-width = <8>;
 133         non-removable;
 134         status = "okay";
 135 };
 136
 137 &uart0 {
 138         pinctrl-names = "default";
 139         pinctrl-0 = <&uart0_pins_a>;
 140         status = "okay";
 141 };
 142
 143 &uart4 {
 144         pinctrl-names = "default";
 145         pinctrl-0 = <&uart4_pins_a>;
 146         status = "okay";
 147 };
 148
 149 &uart4_pins_a {
 150         /* Enable internal pull-up */
 151         allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 152 };