arch/arm/boot/dts/sun5i-gr8-chip-pro.dts

   1 /*
   2  * Copyright 2016 Free Electrons
   3  * Copyright 2016 NextThing Co
   4  *
   5  * Maxime Ripard <maxime.ripard@free-electrons.com>
   6  *
   7  * This file is dual-licensed: you can use it either under the terms
   8  * of the GPL or the X11 license, at your option. Note that this dual
   9  * licensing only applies to this file, and not this project as a
  10  * whole.
  11  *
  12  *  a) This file is free software; you can redistribute it and/or
  13  *     modify it under the terms of the GNU General Public License as
  14  *     published by the Free Software Foundation; either version 2 of the
  15  *     License, or (at your option) any later version.
  16  *
  17  *     This file is distributed in the hope that it will be useful,
  18  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  *     GNU General Public License for more details.
  21  *
  22  * Or, alternatively,
  23  *
  24  *  b) Permission is hereby granted, free of charge, to any person
  25  *     obtaining a copy of this software and associated documentation
  26  *     files (the "Software"), to deal in the Software without
  27  *     restriction, including without limitation the rights to use,
  28  *     copy, modify, merge, publish, distribute, sublicense, and/or
  29  *     sell copies of the Software, and to permit persons to whom the
  30  *     Software is furnished to do so, subject to the following
  31  *     conditions:
  32  *
  33  *     The above copyright notice and this permission notice shall be
  34  *     included in all copies or substantial portions of the Software.
  35  *
  36  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  37  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  38  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  39  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  40  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  41  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  42  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  43  *     OTHER DEALINGS IN THE SOFTWARE.
  44  */
  45
  46 /dts-v1/;
  47 #include "sun5i-gr8.dtsi"
  48 #include "sunxi-common-regulators.dtsi"
  49
  50 #include <dt-bindings/gpio/gpio.h>
  51 #include <dt-bindings/input/input.h>
  52 #include <dt-bindings/interrupt-controller/irq.h>
  53
  54 / {
  55         model = "NextThing C.H.I.P. Pro";
  56         compatible = "nextthing,chip-pro", "nextthing,gr8";
  57
  58         aliases {
  59                 i2c0 = &i2c0;
  60                 i2c1 = &i2c1;
  61                 serial0 = &uart1;
  62                 serial1 = &uart2;
  63                 serial2 = &uart3;
  64         };
  65
  66         chosen {
  67                 stdout-path = "serial0:115200n8";
  68         };
  69
  70         leds {
  71                 compatible = "gpio-leds";
  72
  73                 status {
  74                         label = "chip-pro:white:status";
  75                         gpios = <&axp_gpio 2 GPIO_ACTIVE_HIGH>;
  76                         default-state = "on";
  77                 };
  78         };
  79
  80         mmc0_pwrseq: mmc0_pwrseq {
  81                 compatible = "mmc-pwrseq-simple";
  82                 pinctrl-names = "default";
  83                 pinctrl-0 = <&wifi_reg_on_pin_chip_pro>;
  84                 reset-gpios = <&pio 1 10 GPIO_ACTIVE_LOW>; /* PB10 */
  85         };
  86 };
  87
  88 &codec {
  89         status = "okay";
  90 };
  91
  92 &ehci0 {
  93         status = "okay";
  94 };
  95
  96 &i2c0 {
  97         pinctrl-names = "default";
  98         pinctrl-0 = <&i2c0_pins_a>;
  99         status = "okay";
 100
 101         axp209: pmic@34 {
 102                 reg = <0x34>;
 103
 104                 /*
 105                 * The interrupt is routed through the "External Fast
 106                 * Interrupt Request" pin (ball G13 of the module)
 107                 * directly to the main interrupt controller, without
 108                 * any other controller interfering.
 109                 */
 110                 interrupts = <0>;
 111         };
 112 };
 113
 114 #include "axp209.dtsi"
 115
 116 &i2c1 {
 117         pinctrl-names = "default";
 118         pinctrl-0 = <&i2c1_pins_a>;
 119         status = "disabled";
 120 };
 121
 122 &i2s0 {
 123         pinctrl-names = "default";
 124         pinctrl-0 = <&i2s0_mclk_pins_a>, <&i2s0_data_pins_a>;
 125         status = "disabled";
 126 };
 127
 128 &mmc0 {
 129         pinctrl-names = "default";
 130         pinctrl-0 = <&mmc0_pins_a>;
 131         vmmc-supply = <&reg_vcc3v3>;
 132         mmc-pwrseq = <&mmc0_pwrseq>;
 133         bus-width = <4>;
 134         non-removable;
 135         status = "okay";
 136 };
 137
 138 &nfc {
 139         pinctrl-names = "default";
 140         pinctrl-0 = <&nand_pins_a &nand_cs0_pins_a &nand_rb0_pins_a>;
 141         status = "okay";
 142
 143         nand@0 {
 144                 #address-cells = <2>;
 145                 #size-cells = <2>;
 146                 reg = <0>;
 147                 allwinner,rb = <0>;
 148                 nand-ecc-mode = "hw";
 149         };
 150 };
 151
 152 &ohci0 {
 153         status = "okay";
 154 };
 155
 156 &otg_sram {
 157         status = "okay";
 158 };
 159
 160 &pio {
 161         usb0_id_pin_chip_pro: usb0-id-pin@0 {
 162                 allwinner,pins = "PG2";
 163                 allwinner,function = "gpio_in";
 164                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 165                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 166         };
 167
 168         wifi_reg_on_pin_chip_pro: wifi-reg-on-pin@0 {
 169                 allwinner,pins = "PB10";
 170                 allwinner,function = "gpio_out";
 171                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 172                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 173         };
 174 };
 175
 176 &pwm {
 177         pinctrl-names = "default";
 178         pinctrl-0 = <&pwm0_pins_a>, <&pwm1_pins>;
 179         status = "disabled";
 180 };
 181
 182 &reg_dcdc2 {
 183         regulator-min-microvolt = <1000000>;
 184         regulator-max-microvolt = <1400000>;
 185         regulator-name = "vdd-cpu";
 186         regulator-always-on;
 187 };
 188
 189 &reg_dcdc3 {
 190         regulator-min-microvolt = <1000000>;
 191         regulator-max-microvolt = <1300000>;
 192         regulator-name = "vdd-sys";
 193         regulator-always-on;
 194 };
 195
 196 &reg_ldo1 {
 197         regulator-name = "vdd-rtc";
 198 };
 199
 200 &reg_ldo2 {
 201         regulator-min-microvolt = <2700000>;
 202         regulator-max-microvolt = <3300000>;
 203         regulator-name = "avcc";
 204         regulator-always-on;
 205 };
 206
 207 /*
 208  * Both LDO3 and LDO4 are used in parallel to power up the
 209  * WiFi/BT chip.
 210  */
 211 &reg_ldo3 {
 212         regulator-min-microvolt = <3300000>;
 213         regulator-max-microvolt = <3300000>;
 214         regulator-name = "vcc-wifi-1";
 215         regulator-always-on;
 216 };
 217
 218 &reg_ldo4 {
 219         regulator-min-microvolt = <3300000>;
 220         regulator-max-microvolt = <3300000>;
 221         regulator-name = "vcc-wifi-2";
 222         regulator-always-on;
 223 };
 224
 225 &uart1 {
 226         pinctrl-names = "default";
 227         pinctrl-0 = <&uart1_pins_a>, <&uart1_cts_rts_pins_a>;
 228         status = "okay";
 229 };
 230
 231 &uart2 {
 232         pinctrl-names = "default";
 233         pinctrl-0 = <&uart2_pins_a>, <&uart2_cts_rts_pins_a>;
 234         status = "disabled";
 235 };
 236
 237 &uart3 {
 238         pinctrl-names = "default";
 239         pinctrl-0 = <&uart3_pins_a>, <&uart3_cts_rts_pins_a>;
 240         status = "okay";
 241 };
 242
 243 &usb_otg {
 244         /*
 245          * The CHIP Pro doesn't have a controllable VBUS, nor does it
 246          * have any 5v rail on the board itself.
 247          *
 248          * If one wants to use it as a true OTG port, it should be
 249          * done in the baseboard, and its DT / overlay will add it.
 250          */
 251         dr_mode = "otg";
 252         status = "okay";
 253 };
 254
 255 &usb_power_supply {
 256         status = "okay";
 257 };
 258
 259 &usbphy {
 260         pinctrl-names = "default";
 261         pinctrl-0 = <&usb0_id_pin_chip_pro>;
 262         usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
 263         usb0_vbus_power-supply = <&usb_power_supply>;
 264         usb1_vbus-supply = <&reg_vcc5v0>;
 265         status = "okay";
 266 };