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 * 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 "sun6i-a31.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 A31 Hummingbird"; 59 compatible = "merrii,a31-hummingbird", "allwinner,sun6i-a31"; 60 61 aliases { 62 serial0 = &uart0; 63 }; 64 65 chosen { 66 stdout-path = "serial0:115200n8"; 67 }; 68 69 wifi_pwrseq: wifi_pwrseq { 70 compatible = "mmc-pwrseq-simple"; 71 reset-gpios = <&pio 6 10 GPIO_ACTIVE_LOW>; /* PG10 */ 72 }; 73}; 74 75&ehci0 { 76 status = "okay"; 77}; 78 79&gmac { 80 pinctrl-names = "default"; 81 pinctrl-0 = <&gmac_pins_rgmii_a>; 82 phy = <&phy1>; 83 phy-mode = "rgmii"; 84 snps,reset-gpio = <&pio 0 21 GPIO_ACTIVE_HIGH>; 85 snps,reset-active-low; 86 snps,reset-delays-us = <0 10000 30000>; 87 status = "okay"; 88 89 phy1: ethernet-phy@1 { 90 reg = <1>; 91 }; 92}; 93 94&i2c0 { 95 pinctrl-names = "default"; 96 pinctrl-0 = <&i2c0_pins_a>; 97 /* pull-ups and devices require AXP221 DLDO3 */ 98 status = "failed"; 99}; 100 101&i2c1 { 102 pinctrl-names = "default"; 103 pinctrl-0 = <&i2c1_pins_a>; 104 status = "okay"; 105}; 106 107&i2c2 { 108 pinctrl-names = "default"; 109 pinctrl-0 = <&i2c2_pins_a>; 110 status = "okay"; 111 112 pcf8563: rtc@51 { 113 compatible = "nxp,pcf8563"; 114 reg = <0x51>; 115 }; 116}; 117 118&ir { 119 pinctrl-names = "default"; 120 pinctrl-0 = <&ir_pins_a>; 121 status = "okay"; 122}; 123 124&mmc0 { 125 pinctrl-names = "default"; 126 pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_hummingbird>; 127 vmmc-supply = <&vcc_3v0>; 128 bus-width = <4>; 129 cd-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */ 130 cd-inverted; 131 status = "okay"; 132}; 133 134&mmc0_pins_a { 135 /* external pull-ups missing for some pins */ 136 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>; 137}; 138 139&mmc1 { 140 pinctrl-names = "default"; 141 pinctrl-0 = <&mmc1_pins_a>, <&wifi_reset_pin_hummingbird>; 142 vmmc-supply = <&vcc_wifi>; 143 mmc-pwrseq = <&wifi_pwrseq>; 144 bus-width = <4>; 145 non-removable; 146 status = "okay"; 147}; 148 149&ohci0 { 150 status = "okay"; 151}; 152 153&pio { 154 mmc0_cd_pin_hummingbird: mmc0_cd_pin@0 { 155 allwinner,pins = "PA8"; 156 allwinner,function = "gpio_in"; 157 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 158 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>; 159 }; 160 161 wifi_reset_pin_hummingbird: wifi_reset_pin@0 { 162 allwinner,pins = "PG10"; 163 allwinner,function = "gpio_out"; 164 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 165 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; 166 }; 167}; 168 169&p2wi { 170 status = "okay"; 171 172 axp221: pmic@68 { 173 compatible = "x-powers,axp221"; 174 reg = <0x68>; 175 interrupt-parent = <&nmi_intc>; 176 interrupts = <0 IRQ_TYPE_LEVEL_LOW>; 177 interrupt-controller; 178 #interrupt-cells = <1>; 179 dcdc1-supply = <&vcc_3v0>; 180 dcdc5-supply = <&vcc_dram>; 181 182 regulators { 183 x-powers,dcdc-freq = <3000>; 184 185 vcc_3v0: dcdc1 { 186 regulator-always-on; 187 regulator-min-microvolt = <3000000>; 188 regulator-max-microvolt = <3000000>; 189 regulator-name = "vcc-3v0"; 190 }; 191 192 vdd_cpu: dcdc2 { 193 regulator-always-on; 194 regulator-min-microvolt = <700000>; 195 regulator-max-microvolt = <1320000>; 196 regulator-name = "vdd-cpu"; 197 }; 198 199 vdd_gpu: dcdc3 { 200 regulator-always-on; 201 regulator-min-microvolt = <700000>; 202 regulator-max-microvolt = <1320000>; 203 regulator-name = "vdd-gpu"; 204 }; 205 206 vdd_sys_dll: dcdc4 { 207 regulator-always-on; 208 regulator-min-microvolt = <1100000>; 209 regulator-max-microvolt = <1100000>; 210 regulator-name = "vdd-sys-dll"; 211 }; 212 213 vcc_dram: dcdc5 { 214 regulator-always-on; 215 regulator-min-microvolt = <1500000>; 216 regulator-max-microvolt = <1500000>; 217 regulator-name = "vcc-dram"; 218 }; 219 220 vcc_wifi: aldo1 { 221 regulator-min-microvolt = <3300000>; 222 regulator-max-microvolt = <3300000>; 223 regulator-name = "vcc_wifi"; 224 }; 225 226 avcc: aldo3 { 227 regulator-always-on; 228 regulator-min-microvolt = <3000000>; 229 regulator-max-microvolt = <3000000>; 230 regulator-name = "avcc"; 231 }; 232 }; 233 }; 234}; 235 236®_usb1_vbus { 237 gpio = <&pio 7 24 GPIO_ACTIVE_HIGH>; /* PH24 */ 238 status = "okay"; 239}; 240 241&uart0 { 242 pinctrl-names = "default"; 243 pinctrl-0 = <&uart0_pins_a>; 244 status = "okay"; 245}; 246 247&usb1_vbus_pin_a { 248 /* different pin from sunxi-common-regulators */ 249 allwinner,pins = "PH24"; 250}; 251 252&usbphy { 253 usb1_vbus-supply = <®_usb1_vbus>; 254 status = "okay"; 255}; 256