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      1 /*
      2  * Copyright 2014 - Iain Paton <ipaton0 (at) gmail.com>
      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 
     47 #include <dt-bindings/gpio/gpio.h>
     48 #include <dt-bindings/interrupt-controller/irq.h>
     49 
     50 / {
     51 	model = "Olimex A20-OLinuXino-LIME2";
     52 	compatible = "olimex,a20-olinuxino-lime2", "allwinner,sun7i-a20";
     53 
     54 	aliases {
     55 		serial0 = &uart0;
     56 	};
     57 
     58 	chosen {
     59 		stdout-path = "serial0:115200n8";
     60 	};
     61 
     62 	hdmi-connector {
     63 		compatible = "hdmi-connector";
     64 		type = "a";
     65 
     66 		port {
     67 			hdmi_con_in: endpoint {
     68 				remote-endpoint = <&hdmi_out_con>;
     69 			};
     70 		};
     71 	};
     72 
     73 	leds {
     74 		compatible = "gpio-leds";
     75 		pinctrl-names = "default";
     76 		pinctrl-0 = <&led_pins_olinuxinolime>;
     77 
     78 		led {
     79 			label = "a20-olinuxino-lime2:green:usr";
     80 			gpios = <&pio 7 2 GPIO_ACTIVE_HIGH>;
     81 			default-state = "on";
     82 		};
     83 	};
     84 
     85 	reg_axp_ipsout: axp_ipsout {
     86 		compatible = "regulator-fixed";
     87 		regulator-name = "axp-ipsout";
     88 		regulator-min-microvolt = <5000000>;
     89 		regulator-max-microvolt = <5000000>;
     90 		regulator-always-on;
     91 	};
     92 };
     93 
     94 &ahci {
     95 	target-supply = <&reg_ahci_5v>;
     96 	status = "okay";
     97 };
     98 
     99 &de {
    100 	status = "okay";
    101 };
    102 
    103 &ehci0 {
    104 	status = "okay";
    105 };
    106 
    107 &ehci1 {
    108 	status = "okay";
    109 };
    110 
    111 &gmac {
    112 	pinctrl-names = "default";
    113 	pinctrl-0 = <&gmac_rgmii_pins>;
    114 	phy-handle = <&phy1>;
    115 	phy-mode = "rgmii-id";
    116 	status = "okay";
    117 };
    118 
    119 &hdmi {
    120 	status = "okay";
    121 };
    122 
    123 &hdmi_out {
    124 	hdmi_out_con: endpoint {
    125 		remote-endpoint = <&hdmi_con_in>;
    126 	};
    127 };
    128 
    129 &i2c0 {
    130 	status = "okay";
    131 
    132 	axp209: pmic@34 {
    133 		reg = <0x34>;
    134 		interrupt-parent = <&nmi_intc>;
    135 		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
    136 	};
    137 };
    138 
    139 &i2c1 {
    140 	status = "okay";
    141 
    142 	eeprom: eeprom@50 {
    143 		compatible = "atmel,24c16";
    144 		reg = <0x50>;
    145 		pagesize = <16>;
    146 	};
    147 };
    148 
    149 &lradc {
    150 	vref-supply = <&reg_vcc3v0>;
    151 };
    152 
    153 &gmac_mdio {
    154 	phy1: ethernet-phy@1 {
    155 		reg = <1>;
    156 	};
    157 };
    158 
    159 &mmc0 {
    160 	vmmc-supply = <&reg_vcc3v3>;
    161 	bus-width = <4>;
    162 	cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH1 */
    163 	status = "okay";
    164 };
    165 
    166 &ohci0 {
    167 	status = "okay";
    168 };
    169 
    170 &ohci1 {
    171 	status = "okay";
    172 };
    173 
    174 &otg_sram {
    175 	status = "okay";
    176 };
    177 
    178 &pio {
    179 	vcc-pa-supply = <&reg_vcc3v3>;
    180 	vcc-pc-supply = <&reg_vcc3v3>;
    181 	vcc-pe-supply = <&reg_ldo3>;
    182 	vcc-pf-supply = <&reg_vcc3v3>;
    183 	vcc-pg-supply = <&reg_ldo4>;
    184 
    185 	led_pins_olinuxinolime: led-pins {
    186 		pins = "PH2";
    187 		function = "gpio_out";
    188 		drive-strength = <20>;
    189 	};
    190 };
    191 
    192 &reg_ahci_5v {
    193 	gpio = <&pio 2 3 GPIO_ACTIVE_HIGH>;
    194 	status = "okay";
    195 };
    196 
    197 #include "axp209.dtsi"
    198 
    199 &ac_power_supply {
    200 	status = "okay";
    201 };
    202 
    203 &battery_power_supply {
    204 	status = "okay";
    205 };
    206 
    207 &reg_dcdc2 {
    208 	regulator-always-on;
    209 	regulator-min-microvolt = <1000000>;
    210 	regulator-max-microvolt = <1400000>;
    211 	regulator-name = "vdd-cpu";
    212 };
    213 
    214 &reg_dcdc3 {
    215 	regulator-always-on;
    216 	regulator-min-microvolt = <1000000>;
    217 	regulator-max-microvolt = <1400000>;
    218 	regulator-name = "vdd-int-dll";
    219 };
    220 
    221 &reg_ldo1 {
    222 	regulator-always-on;
    223 	regulator-min-microvolt = <1300000>;
    224 	regulator-max-microvolt = <1300000>;
    225 	regulator-name = "vdd-rtc";
    226 };
    227 
    228 &reg_ldo2 {
    229 	regulator-always-on;
    230 	regulator-min-microvolt = <3000000>;
    231 	regulator-max-microvolt = <3000000>;
    232 	regulator-name = "avcc";
    233 };
    234 
    235 &reg_ldo3 {
    236 	regulator-min-microvolt = <2800000>;
    237 	regulator-max-microvolt = <2800000>;
    238 	regulator-name = "vddio-csi0";
    239 	regulator-soft-start;
    240 	regulator-ramp-delay = <1600>;
    241 };
    242 
    243 &reg_ldo4 {
    244 	regulator-min-microvolt = <2800000>;
    245 	regulator-max-microvolt = <2800000>;
    246 	regulator-name = "vddio-csi1";
    247 };
    248 
    249 &reg_usb0_vbus {
    250 	gpio = <&pio 2 17 GPIO_ACTIVE_HIGH>;
    251 	status = "okay";
    252 };
    253 
    254 &reg_usb1_vbus {
    255 	status = "okay";
    256 };
    257 
    258 &reg_usb2_vbus {
    259 	status = "okay";
    260 };
    261 
    262 &uart0 {
    263 	pinctrl-names = "default";
    264 	pinctrl-0 = <&uart0_pb_pins>;
    265 	status = "okay";
    266 };
    267 
    268 &usb_otg {
    269 	dr_mode = "otg";
    270 	status = "okay";
    271 };
    272 
    273 &usbphy {
    274 	usb0_id_det-gpios = <&pio 7 4 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PH4 */
    275 	usb0_vbus_det-gpios = <&pio 7 5 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; /* PH5 */
    276 	usb0_vbus-supply = <&reg_usb0_vbus>;
    277 	usb1_vbus-supply = <&reg_usb1_vbus>;
    278 	usb2_vbus-supply = <&reg_usb2_vbus>;
    279 	status = "okay";
    280 };
    281