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 led-0 { 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 reset-gpios = <&pio 1 10 GPIO_ACTIVE_LOW>; /* PB10 */ 83 }; 84}; 85 86&codec { 87 status = "okay"; 88}; 89 90&ehci0 { 91 status = "okay"; 92}; 93 94&i2c0 { 95 status = "okay"; 96 97 axp209: pmic@34 { 98 reg = <0x34>; 99 100 /* 101 * The interrupt is routed through the "External Fast 102 * Interrupt Request" pin (ball G13 of the module) 103 * directly to the main interrupt controller, without 104 * any other controller interfering. 105 */ 106 interrupts = <0>; 107 }; 108}; 109 110#include "axp209.dtsi" 111 112&i2c1 { 113 status = "disabled"; 114}; 115 116&i2s0 { 117 pinctrl-names = "default"; 118 pinctrl-0 = <&i2s0_mclk_pin>, <&i2s0_data_pins>; 119 status = "disabled"; 120}; 121 122&mmc0 { 123 vmmc-supply = <®_vcc3v3>; 124 mmc-pwrseq = <&mmc0_pwrseq>; 125 bus-width = <4>; 126 non-removable; 127 status = "okay"; 128}; 129 130&nfc { 131 pinctrl-names = "default"; 132 pinctrl-0 = <&nand_pins &nand_cs0_pin &nand_rb0_pin>; 133 status = "okay"; 134 135 nand@0 { 136 reg = <0>; 137 allwinner,rb = <0>; 138 nand-ecc-mode = "hw"; 139 }; 140}; 141 142&ohci0 { 143 status = "okay"; 144}; 145 146&otg_sram { 147 status = "okay"; 148}; 149 150&pwm { 151 pinctrl-names = "default"; 152 pinctrl-0 = <&pwm0_pin>, <&pwm1_pins>; 153 status = "disabled"; 154}; 155 156®_dcdc2 { 157 regulator-min-microvolt = <1000000>; 158 regulator-max-microvolt = <1400000>; 159 regulator-name = "vdd-cpu"; 160 regulator-always-on; 161}; 162 163®_dcdc3 { 164 regulator-min-microvolt = <1000000>; 165 regulator-max-microvolt = <1300000>; 166 regulator-name = "vdd-sys"; 167 regulator-always-on; 168}; 169 170®_ldo1 { 171 regulator-name = "vdd-rtc"; 172}; 173 174®_ldo2 { 175 regulator-min-microvolt = <2700000>; 176 regulator-max-microvolt = <3300000>; 177 regulator-name = "avcc"; 178 regulator-always-on; 179}; 180 181/* 182 * Both LDO3 and LDO4 are used in parallel to power up the 183 * WiFi/BT chip. 184 */ 185®_ldo3 { 186 regulator-min-microvolt = <3300000>; 187 regulator-max-microvolt = <3300000>; 188 regulator-name = "vcc-wifi-1"; 189 regulator-always-on; 190}; 191 192®_ldo4 { 193 regulator-min-microvolt = <3300000>; 194 regulator-max-microvolt = <3300000>; 195 regulator-name = "vcc-wifi-2"; 196 regulator-always-on; 197}; 198 199&uart1 { 200 pinctrl-names = "default"; 201 pinctrl-0 = <&uart1_pg_pins>, <&uart1_cts_rts_pins>; 202 status = "okay"; 203}; 204 205&uart2 { 206 pinctrl-names = "default"; 207 pinctrl-0 = <&uart2_pd_pins>, <&uart2_cts_rts_pd_pins>; 208 status = "disabled"; 209}; 210 211&uart3 { 212 pinctrl-names = "default"; 213 pinctrl-0 = <&uart3_pg_pins>, <&uart3_cts_rts_pg_pins>; 214 status = "okay"; 215}; 216 217&usb_otg { 218 /* 219 * The CHIP Pro doesn't have a controllable VBUS, nor does it 220 * have any 5v rail on the board itself. 221 * 222 * If one wants to use it as a true OTG port, it should be 223 * done in the baseboard, and its DT / overlay will add it. 224 */ 225 dr_mode = "otg"; 226 status = "okay"; 227}; 228 229&usb_power_supply { 230 status = "okay"; 231}; 232 233&usbphy { 234 usb0_id_det-gpios = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */ 235 usb0_vbus_power-supply = <&usb_power_supply>; 236 usb1_vbus-supply = <®_vcc5v0>; 237 status = "okay"; 238}; 239