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      1 /*
      2  * Copyright 2013 Maxime Ripard
      3  *
      4  * Maxime Ripard <maxime.ripard (at) 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 "sun7i-a20.dtsi"
     47 #include "sunxi-common-regulators.dtsi"
     48 
     49 #include <dt-bindings/gpio/gpio.h>
     50 #include <dt-bindings/input/input.h>
     51 #include <dt-bindings/interrupt-controller/irq.h>
     52 #include <dt-bindings/pinctrl/sun4i-a10.h>
     53 
     54 / {
     55 	model = "Olimex A20-Olinuxino Micro";
     56 	compatible = "olimex,a20-olinuxino-micro", "allwinner,sun7i-a20";
     57 
     58 	aliases {
     59 		serial0 = &uart0;
     60 		serial1 = &uart6;
     61 		serial2 = &uart7;
     62 		spi0 = &spi1;
     63 		spi1 = &spi2;
     64 	};
     65 
     66 	chosen {
     67 		stdout-path = "serial0:115200n8";
     68 	};
     69 
     70 	leds {
     71 		compatible = "gpio-leds";
     72 		pinctrl-names = "default";
     73 		pinctrl-0 = <&led_pins_olinuxino>;
     74 
     75 		green {
     76 			label = "a20-olinuxino-micro:green:usr";
     77 			gpios = <&pio 7 2 GPIO_ACTIVE_HIGH>;
     78 			default-state = "on";
     79 		};
     80 	};
     81 };
     82 
     83 &ahci {
     84 	target-supply = <&reg_ahci_5v>;
     85 	status = "okay";
     86 };
     87 
     88 &ehci0 {
     89 	status = "okay";
     90 };
     91 
     92 &ehci1 {
     93 	status = "okay";
     94 };
     95 
     96 &gmac {
     97 	pinctrl-names = "default";
     98 	pinctrl-0 = <&gmac_pins_mii_a>;
     99 	phy = <&phy1>;
    100 	phy-mode = "mii";
    101 	status = "okay";
    102 
    103 	phy1: ethernet-phy@1 {
    104 		reg = <1>;
    105 	};
    106 };
    107 
    108 &i2c0 {
    109 	pinctrl-names = "default";
    110 	pinctrl-0 = <&i2c0_pins_a>;
    111 	status = "okay";
    112 
    113 	axp209: pmic@34 {
    114 		compatible = "x-powers,axp209";
    115 		reg = <0x34>;
    116 		interrupt-parent = <&nmi_intc>;
    117 		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
    118 
    119 		interrupt-controller;
    120 		#interrupt-cells = <1>;
    121 	};
    122 };
    123 
    124 &i2c1 {
    125 	pinctrl-names = "default";
    126 	pinctrl-0 = <&i2c1_pins_a>;
    127 	status = "okay";
    128 
    129 	eeprom: eeprom@50 {
    130 		compatible = "atmel,24c16";
    131 		reg = <0x50>;
    132 		pagesize = <16>;
    133 	};
    134 };
    135 
    136 &i2c2 {
    137 	pinctrl-names = "default";
    138 	pinctrl-0 = <&i2c2_pins_a>;
    139 	status = "okay";
    140 };
    141 
    142 &lradc {
    143 	vref-supply = <&reg_vcc3v0>;
    144 	status = "okay";
    145 
    146 	button@191 {
    147 		label = "Volume Up";
    148 		linux,code = <KEY_VOLUMEUP>;
    149 		channel = <0>;
    150 		voltage = <191274>;
    151 	};
    152 
    153 	button@392 {
    154 		label = "Volume Down";
    155 		linux,code = <KEY_VOLUMEDOWN>;
    156 		channel = <0>;
    157 		voltage = <392644>;
    158 	};
    159 
    160 	button@601 {
    161 		label = "Menu";
    162 		linux,code = <KEY_MENU>;
    163 		channel = <0>;
    164 		voltage = <601151>;
    165 	};
    166 
    167 	button@795 {
    168 		label = "Search";
    169 		linux,code = <KEY_SEARCH>;
    170 		channel = <0>;
    171 		voltage = <795090>;
    172 	};
    173 
    174 	button@987 {
    175 		label = "Home";
    176 		linux,code = <KEY_HOMEPAGE>;
    177 		channel = <0>;
    178 		voltage = <987387>;
    179 	};
    180 
    181 	button@1184 {
    182 		label = "Esc";
    183 		linux,code = <KEY_ESC>;
    184 		channel = <0>;
    185 		voltage = <1184678>;
    186 	};
    187 
    188 	button@1398 {
    189 		label = "Enter";
    190 		linux,code = <KEY_ENTER>;
    191 		channel = <0>;
    192 		voltage = <1398804>;
    193 	};
    194 };
    195 
    196 &mmc0 {
    197 	pinctrl-names = "default";
    198 	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
    199 	vmmc-supply = <&reg_vcc3v3>;
    200 	bus-width = <4>;
    201 	cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
    202 	cd-inverted;
    203 	status = "okay";
    204 };
    205 
    206 &mmc3 {
    207 	pinctrl-names = "default";
    208 	pinctrl-0 = <&mmc3_pins_a>, <&mmc3_cd_pin_olinuxinom>;
    209 	vmmc-supply = <&reg_vcc3v3>;
    210 	bus-width = <4>;
    211 	cd-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* PH11 */
    212 	cd-inverted;
    213 	status = "okay";
    214 };
    215 
    216 &ohci0 {
    217 	status = "okay";
    218 };
    219 
    220 &ohci1 {
    221 	status = "okay";
    222 };
    223 
    224 &otg_sram {
    225 	status = "okay";
    226 };
    227 
    228 &pio {
    229 	mmc3_cd_pin_olinuxinom: mmc3_cd_pin@0 {
    230 		allwinner,pins = "PH11";
    231 		allwinner,function = "gpio_in";
    232 		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
    233 		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
    234 	};
    235 
    236 	led_pins_olinuxino: led_pins@0 {
    237 		allwinner,pins = "PH2";
    238 		allwinner,function = "gpio_out";
    239 		allwinner,drive = <SUN4I_PINCTRL_20_MA>;
    240 		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
    241 	};
    242 
    243 	usb0_id_detect_pin: usb0_id_detect_pin@0 {
    244 		allwinner,pins = "PH4";
    245 		allwinner,function = "gpio_in";
    246 		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
    247 		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
    248 	};
    249 
    250 	usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
    251 		allwinner,pins = "PH5";
    252 		allwinner,function = "gpio_in";
    253 		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
    254 		allwinner,pull = <SUN4I_PINCTRL_PULL_DOWN>;
    255 	};
    256 };
    257 
    258 &reg_ahci_5v {
    259 	status = "okay";
    260 };
    261 
    262 &reg_usb0_vbus {
    263 	status = "okay";
    264 };
    265 
    266 &reg_usb1_vbus {
    267 	status = "okay";
    268 };
    269 
    270 &reg_usb2_vbus {
    271 	status = "okay";
    272 };
    273 
    274 &spi1 {
    275 	pinctrl-names = "default";
    276 	pinctrl-0 = <&spi1_pins_a>,
    277 		    <&spi1_cs0_pins_a>;
    278 	status = "okay";
    279 };
    280 
    281 &spi2 {
    282 	pinctrl-names = "default";
    283 	pinctrl-0 = <&spi2_pins_a>,
    284 		    <&spi2_cs0_pins_a>;
    285 	status = "okay";
    286 };
    287 
    288 &uart0 {
    289 	pinctrl-names = "default";
    290 	pinctrl-0 = <&uart0_pins_a>;
    291 	status = "okay";
    292 };
    293 
    294 &uart6 {
    295 	pinctrl-names = "default";
    296 	pinctrl-0 = <&uart6_pins_a>;
    297 	status = "okay";
    298 };
    299 
    300 &uart7 {
    301 	pinctrl-names = "default";
    302 	pinctrl-0 = <&uart7_pins_a>;
    303 	status = "okay";
    304 };
    305 
    306 &usb_otg {
    307 	dr_mode = "otg";
    308 	status = "okay";
    309 };
    310 
    311 &usbphy {
    312 	pinctrl-names = "default";
    313 	pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
    314 	usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
    315 	usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
    316 	usb0_vbus-supply = <&reg_usb0_vbus>;
    317 	usb1_vbus-supply = <&reg_usb1_vbus>;
    318 	usb2_vbus-supply = <&reg_usb2_vbus>;
    319 	status = "okay";
    320 };
    321