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 * Or, alternatively, 22 * 23 * b) Permission is hereby granted, free of charge, to any person 24 * obtaining a copy of this software and associated documentation 25 * files (the "Software"), to deal in the Software without 26 * restriction, including without limitation the rights to use, 27 * copy, modify, merge, publish, distribute, sublicense, and/or 28 * sell copies of the Software, and to permit persons to whom the 29 * Software is furnished to do so, subject to the following 30 * conditions: 31 * 32 * The above copyright notice and this permission notice shall be 33 * included in all copies or substantial portions of the Software. 34 * 35 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 36 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 37 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 38 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 39 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 40 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 41 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 42 * OTHER DEALINGS IN THE SOFTWARE. 43 */ 44 45/dts-v1/; 46#include "sun6i-a31.dtsi" 47#include "sunxi-common-regulators.dtsi" 48 49#include <dt-bindings/gpio/gpio.h> 50#include <dt-bindings/pinctrl/sun4i-a10.h> 51 52/ { 53 model = "Merrii A31 Hummingbird"; 54 compatible = "merrii,a31-hummingbird", "allwinner,sun6i-a31"; 55 56 aliases { 57 serial0 = &uart0; 58 }; 59 60 chosen { 61 stdout-path = "serial0:115200n8"; 62 }; 63 64 wifi_pwrseq: wifi_pwrseq { 65 compatible = "mmc-pwrseq-simple"; 66 reset-gpios = <&pio 6 10 GPIO_ACTIVE_LOW>; /* PG10 */ 67 }; 68}; 69 70&ehci0 { 71 status = "okay"; 72}; 73 74&gmac { 75 pinctrl-names = "default"; 76 pinctrl-0 = <&gmac_pins_rgmii_a>; 77 phy = <&phy1>; 78 phy-mode = "rgmii"; 79 snps,reset-gpio = <&pio 0 21 GPIO_ACTIVE_HIGH>; 80 snps,reset-active-low; 81 snps,reset-delays-us = <0 10000 30000>; 82 status = "okay"; 83 84 phy1: ethernet-phy@1 { 85 reg = <1>; 86 }; 87}; 88 89&i2c0 { 90 pinctrl-names = "default"; 91 pinctrl-0 = <&i2c0_pins_a>; 92 /* pull-ups and devices require AXP221 DLDO3 */ 93 status = "failed"; 94}; 95 96&i2c1 { 97 pinctrl-names = "default"; 98 pinctrl-0 = <&i2c1_pins_a>; 99 status = "okay"; 100}; 101 102&i2c2 { 103 pinctrl-names = "default"; 104 pinctrl-0 = <&i2c2_pins_a>; 105 status = "okay"; 106 107 pcf8563: rtc@51 { 108 compatible = "nxp,pcf8563"; 109 reg = <0x51>; 110 }; 111}; 112 113&ir { 114 pinctrl-names = "default"; 115 pinctrl-0 = <&ir_pins_a>; 116 status = "okay"; 117}; 118 119&mmc0 { 120 pinctrl-names = "default"; 121 pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_hummingbird>; 122 vmmc-supply = <&vcc_3v0>; 123 bus-width = <4>; 124 cd-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */ 125 cd-inverted; 126 status = "okay"; 127}; 128 129&mmc0_pins_a { 130 /* external pull-ups missing for some pins */ 131 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>; 132}; 133 134&mmc1 { 135 pinctrl-names = "default"; 136 pinctrl-0 = <&mmc1_pins_a>, <&wifi_reset_pin_hummingbird>; 137 vmmc-supply = <&vcc_wifi>; 138 mmc-pwrseq = <&wifi_pwrseq>; 139 bus-width = <4>; 140 non-removable; 141 status = "okay"; 142}; 143 144&ohci0 { 145 status = "okay"; 146}; 147 148&pio { 149 mmc0_cd_pin_hummingbird: mmc0_cd_pin@0 { 150 allwinner,pins = "PA8"; 151 allwinner,function = "gpio_in"; 152 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 153 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>; 154 }; 155 156 wifi_reset_pin_hummingbird: wifi_reset_pin@0 { 157 allwinner,pins = "PG10"; 158 allwinner,function = "gpio_out"; 159 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 160 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; 161 }; 162}; 163 164&p2wi { 165 status = "okay"; 166 167 axp221: pmic@68 { 168 compatible = "x-powers,axp221"; 169 reg = <0x68>; 170 interrupt-parent = <&nmi_intc>; 171 interrupts = <0 IRQ_TYPE_LEVEL_LOW>; 172 interrupt-controller; 173 #interrupt-cells = <1>; 174 dcdc1-supply = <&vcc_3v0>; 175 dcdc5-supply = <&vcc_dram>; 176 177 regulators { 178 x-powers,dcdc-freq = <3000>; 179 180 vcc_3v0: dcdc1 { 181 regulator-always-on; 182 regulator-min-microvolt = <3000000>; 183 regulator-max-microvolt = <3000000>; 184 regulator-name = "vcc-3v0"; 185 }; 186 187 vdd_cpu: dcdc2 { 188 regulator-always-on; 189 regulator-min-microvolt = <700000>; 190 regulator-max-microvolt = <1320000>; 191 regulator-name = "vdd-cpu"; 192 }; 193 194 vdd_gpu: dcdc3 { 195 regulator-always-on; 196 regulator-min-microvolt = <700000>; 197 regulator-max-microvolt = <1320000>; 198 regulator-name = "vdd-gpu"; 199 }; 200 201 vdd_sys_dll: dcdc4 { 202 regulator-always-on; 203 regulator-min-microvolt = <1100000>; 204 regulator-max-microvolt = <1100000>; 205 regulator-name = "vdd-sys-dll"; 206 }; 207 208 vcc_dram: dcdc5 { 209 regulator-always-on; 210 regulator-min-microvolt = <1500000>; 211 regulator-max-microvolt = <1500000>; 212 regulator-name = "vcc-dram"; 213 }; 214 215 vcc_wifi: aldo1 { 216 regulator-min-microvolt = <3300000>; 217 regulator-max-microvolt = <3300000>; 218 regulator-name = "vcc_wifi"; 219 }; 220 221 avcc: aldo3 { 222 regulator-always-on; 223 regulator-min-microvolt = <3000000>; 224 regulator-max-microvolt = <3000000>; 225 regulator-name = "avcc"; 226 }; 227 }; 228 }; 229}; 230 231®_usb1_vbus { 232 gpio = <&pio 7 24 GPIO_ACTIVE_HIGH>; /* PH24 */ 233 status = "okay"; 234}; 235 236&uart0 { 237 pinctrl-names = "default"; 238 pinctrl-0 = <&uart0_pins_a>; 239 status = "okay"; 240}; 241 242&usb1_vbus_pin_a { 243 /* different pin from sunxi-common-regulators */ 244 allwinner,pins = "PH24"; 245}; 246 247&usbphy { 248 usb1_vbus-supply = <®_usb1_vbus>; 249 status = "okay"; 250}; 251