1 /* 2 * Copyright 2015 Adam Sampson <ats (at) offog.org> 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 43 /dts-v1/; 44 #include "sun7i-a20.dtsi" 45 #include "sunxi-common-regulators.dtsi" 46 #include <dt-bindings/gpio/gpio.h> 47 #include <dt-bindings/interrupt-controller/arm-gic.h> 48 49 / { 50 model = "LinkSprite pcDuino3 Nano"; 51 compatible = "linksprite,pcduino3-nano", "allwinner,sun7i-a20"; 52 53 aliases { 54 serial0 = &uart0; 55 }; 56 57 chosen { 58 stdout-path = "serial0:115200n8"; 59 }; 60 61 leds { 62 compatible = "gpio-leds"; 63 pinctrl-names = "default"; 64 pinctrl-0 = <&led_pins_pcduino3_nano>; 65 66 /* Marked "LED3" on the PCB. */ 67 usr1 { 68 label = "pcduino3-nano:green:usr1"; 69 gpios = <&pio 7 16 GPIO_ACTIVE_LOW>; /* PH16 */ 70 }; 71 72 /* Marked "LED4" on the PCB. */ 73 usr2 { 74 label = "pcduino3-nano:green:usr2"; 75 gpios = <&pio 7 15 GPIO_ACTIVE_LOW>; /* PH15 */ 76 }; 77 }; 78 }; 79 80 &ahci { 81 target-supply = <®_ahci_5v>; 82 status = "okay"; 83 }; 84 85 &codec { 86 status = "okay"; 87 }; 88 89 &cpu0 { 90 cpu-supply = <®_dcdc2>; 91 }; 92 93 &ehci0 { 94 status = "okay"; 95 }; 96 97 &ehci1 { 98 status = "okay"; 99 }; 100 101 &gmac { 102 pinctrl-names = "default"; 103 pinctrl-0 = <&gmac_pins_rgmii_a>; 104 phy = <&phy1>; 105 phy-mode = "rgmii"; 106 status = "okay"; 107 108 phy1: ethernet-phy@1 { 109 reg = <1>; 110 }; 111 }; 112 113 &i2c0 { 114 pinctrl-names = "default"; 115 pinctrl-0 = <&i2c0_pins_a>; 116 status = "okay"; 117 118 axp209: pmic@34 { 119 reg = <0x34>; 120 interrupt-parent = <&nmi_intc>; 121 interrupts = <0 IRQ_TYPE_LEVEL_LOW>; 122 }; 123 }; 124 125 &ir0 { 126 pinctrl-names = "default"; 127 pinctrl-0 = <&ir0_rx_pins_a>; 128 status = "okay"; 129 }; 130 131 &mmc0 { 132 pinctrl-names = "default"; 133 pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>; 134 vmmc-supply = <®_vcc3v3>; 135 bus-width = <4>; 136 cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */ 137 cd-inverted; 138 status = "okay"; 139 }; 140 141 &ohci0 { 142 status = "okay"; 143 }; 144 145 &ohci1 { 146 status = "okay"; 147 }; 148 149 &otg_sram { 150 status = "okay"; 151 }; 152 153 &pio { 154 ahci_pwr_pin_pcduino3_nano: ahci_pwr_pin@0 { 155 allwinner,pins = "PH2"; 156 allwinner,function = "gpio_out"; 157 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 158 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; 159 }; 160 161 led_pins_pcduino3_nano: led_pins@0 { 162 allwinner,pins = "PH16", "PH15"; 163 allwinner,function = "gpio_out"; 164 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 165 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; 166 }; 167 168 usb0_id_detect_pin: usb0_id_detect_pin@0 { 169 allwinner,pins = "PH4"; 170 allwinner,function = "gpio_in"; 171 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 172 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>; 173 }; 174 175 usb1_vbus_pin_pcduino3_nano: usb1_vbus_pin@0 { 176 allwinner,pins = "PD2"; 177 allwinner,function = "gpio_out"; 178 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 179 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; 180 }; 181 }; 182 183 ®_ahci_5v { 184 pinctrl-0 = <&ahci_pwr_pin_pcduino3_nano>; 185 gpio = <&pio 7 2 GPIO_ACTIVE_HIGH>; /* PH2 */ 186 status = "okay"; 187 }; 188 189 #include "axp209.dtsi" 190 191 ®_dcdc2 { 192 regulator-always-on; 193 regulator-min-microvolt = <1000000>; 194 regulator-max-microvolt = <1400000>; 195 regulator-name = "vdd-cpu"; 196 }; 197 198 ®_dcdc3 { 199 regulator-always-on; 200 regulator-min-microvolt = <1000000>; 201 regulator-max-microvolt = <1400000>; 202 regulator-name = "vdd-int-pll"; 203 }; 204 205 ®_ldo1 { 206 regulator-name = "vdd-rtc"; 207 }; 208 209 ®_ldo2 { 210 regulator-always-on; 211 regulator-min-microvolt = <3000000>; 212 regulator-max-microvolt = <3000000>; 213 regulator-name = "avcc"; 214 }; 215 216 /* A single regulator (U24) powers both USB host ports. */ 217 ®_usb1_vbus { 218 pinctrl-0 = <&usb1_vbus_pin_pcduino3_nano>; 219 gpio = <&pio 3 2 GPIO_ACTIVE_HIGH>; /* PD2 */ 220 status = "okay"; 221 }; 222 223 &uart0 { 224 pinctrl-names = "default"; 225 pinctrl-0 = <&uart0_pins_a>; 226 status = "okay"; 227 }; 228 229 &usb_otg { 230 dr_mode = "otg"; 231 status = "okay"; 232 }; 233 234 &usbphy { 235 pinctrl-names = "default"; 236 pinctrl-0 = <&usb0_id_detect_pin>; 237 usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */ 238 usb1_vbus-supply = <®_usb1_vbus>; 239 usb2_vbus-supply = <®_usb1_vbus>; 240 status = "okay"; 241 }; 242