arch/arm/boot/dts/sun8i-reference-design-tablet.dtsi

   1 /*
   2  * Copyright 2015 Hans de Goede <hdegoede@redhat.com>
   3  *
   4  * This file is dual-licensed: you can use it either under the terms
   5  * of the GPL or the X11 license, at your option. Note that this dual
   6  * licensing only applies to this file, and not this project as a
   7  * whole.
   8  *
   9  *  a) This file is free software; you can redistribute it and/or
  10  *     modify it under the terms of the GNU General Public License as
  11  *     published by the Free Software Foundation; either version 2 of the
  12  *     License, or (at your option) any later version.
  13  *
  14  *     This file is distributed in the hope that it will be useful,
  15  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *     GNU General Public License for more details.
  18  *
  19  * Or, alternatively,
  20  *
  21  *  b) Permission is hereby granted, free of charge, to any person
  22  *     obtaining a copy of this software and associated documentation
  23  *     files (the "Software"), to deal in the Software without
  24  *     restriction, including without limitation the rights to use,
  25  *     copy, modify, merge, publish, distribute, sublicense, and/or
  26  *     sell copies of the Software, and to permit persons to whom the
  27  *     Software is furnished to do so, subject to the following
  28  *     conditions:
  29  *
  30  *     The above copyright notice and this permission notice shall be
  31  *     included in all copies or substantial portions of the Software.
  32  *
  33  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  34  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  35  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  36  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  37  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  38  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  39  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  40  *     OTHER DEALINGS IN THE SOFTWARE.
  41  */
  42 #include "sunxi-reference-design-tablet.dtsi"
  43
  44 #include <dt-bindings/pwm/pwm.h>
  45
  46 / {
  47         aliases {
  48                 serial0 = &r_uart;
  49         };
  50
  51         backlight: backlight {
  52                 compatible = "pwm-backlight";
  53                 pinctrl-names = "default";
  54                 pinctrl-0 = <&bl_en_pin>;
  55                 pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
  56                 brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
  57                 default-brightness-level = <8>;
  58                 enable-gpios = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
  59         };
  60
  61         chosen {
  62                 stdout-path = "serial0:115200n8";
  63         };
  64 };
  65
  66 &mmc0 {
  67         pinctrl-names = "default";
  68         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin>;
  69         vmmc-supply = <&reg_dcdc1>;
  70         bus-width = <4>;
  71         cd-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
  72         cd-inverted;
  73         status = "okay";
  74 };
  75
  76 &pio {
  77         bl_en_pin: bl_en_pin@0 {
  78                 allwinner,pins = "PH6";
  79                 allwinner,function = "gpio_in";
  80                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
  81                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
  82         };
  83
  84         mmc0_cd_pin: mmc0_cd_pin@0 {
  85                 allwinner,pins = "PB4";
  86                 allwinner,function = "gpio_in";
  87                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
  88                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
  89         };
  90
  91         usb0_id_detect_pin: usb0_id_detect_pin@0 {
  92                 allwinner,pins = "PH8";
  93                 allwinner,function = "gpio_in";
  94                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
  95                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
  96         };
  97 };
  98
  99 &r_rsb {
 100         status = "okay";
 101
 102         axp22x: pmic@3a3 {
 103                 compatible = "x-powers,axp223";
 104                 reg = <0x3a3>;
 105                 interrupt-parent = <&nmi_intc>;
 106                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 107                 eldoin-supply = <&reg_dcdc1>;
 108                 drivevbus-supply = <&reg_vcc5v0>;
 109                 x-powers,drive-vbus-en;
 110         };
 111 };
 112
 113 #include "axp22x.dtsi"
 114
 115 &reg_aldo1 {
 116         regulator-always-on;
 117         regulator-min-microvolt = <3000000>;
 118         regulator-max-microvolt = <3000000>;
 119         regulator-name = "vcc-io";
 120 };
 121
 122 &reg_aldo2 {
 123         regulator-always-on;
 124         regulator-min-microvolt = <2350000>;
 125         regulator-max-microvolt = <2650000>;
 126         regulator-name = "vdd-dll";
 127 };
 128
 129 &reg_aldo3 {
 130         regulator-always-on;
 131         regulator-min-microvolt = <2700000>;
 132         regulator-max-microvolt = <3300000>;
 133         regulator-name = "vcc-pll-avcc";
 134 };
 135
 136 &reg_dc1sw {
 137         regulator-name = "vcc-lcd";
 138 };
 139
 140 &reg_dc5ldo {
 141         regulator-always-on;
 142         regulator-min-microvolt = <900000>;
 143         regulator-max-microvolt = <1400000>;
 144         regulator-name = "vdd-cpus";
 145 };
 146
 147 &reg_dcdc1 {
 148         regulator-always-on;
 149         regulator-min-microvolt = <3000000>;
 150         regulator-max-microvolt = <3000000>;
 151         regulator-name = "vcc-3v0";
 152 };
 153
 154 &reg_dcdc2 {
 155         regulator-always-on;
 156         regulator-min-microvolt = <900000>;
 157         regulator-max-microvolt = <1400000>;
 158         regulator-name = "vdd-sys";
 159 };
 160
 161 &reg_dcdc3 {
 162         regulator-always-on;
 163         regulator-min-microvolt = <900000>;
 164         regulator-max-microvolt = <1400000>;
 165         regulator-name = "vdd-cpu";
 166 };
 167
 168 &reg_dcdc5 {
 169         regulator-always-on;
 170         regulator-min-microvolt = <1500000>;
 171         regulator-max-microvolt = <1500000>;
 172         regulator-name = "vcc-dram";
 173 };
 174
 175 &reg_dldo1 {
 176         regulator-min-microvolt = <3300000>;
 177         regulator-max-microvolt = <3300000>;
 178         regulator-name = "vcc-wifi";
 179 };
 180
 181 &reg_drivevbus {
 182         regulator-name = "usb0-vbus";
 183         status = "okay";
 184 };
 185
 186 &reg_rtc_ldo {
 187         regulator-name = "vcc-rtc";
 188 };
 189
 190 &r_uart {
 191         pinctrl-names = "default";
 192         pinctrl-0 = <&r_uart_pins_a>;
 193         status = "okay";
 194 };
 195
 196 &simplefb_lcd {
 197         vcc-lcd-supply = <&reg_dc1sw>;
 198 };
 199
 200 &usb_otg {
 201         dr_mode = "otg";
 202         status = "okay";
 203 };
 204
 205 &usb_power_supply {
 206         status = "okay";
 207 };
 208
 209 &usbphy {
 210         pinctrl-names = "default";
 211         pinctrl-0 = <&usb0_id_detect_pin>;
 212         usb0_id_det-gpio = <&pio 7 8 GPIO_ACTIVE_HIGH>; /* PH8 */
 213         usb0_vbus_power-supply = <&usb_power_supply>;
 214         usb0_vbus-supply = <&reg_drivevbus>;
 215         status = "okay";
 216 };