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      1 /*
      2  * Copyright 2015 Hans de Goede <hdegoede (at) redhat.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 "sun4i-a10.dtsi"
     45 #include "sunxi-common-regulators.dtsi"
     46 #include <dt-bindings/gpio/gpio.h>
     47 #include <dt-bindings/input/input.h>
     48 #include <dt-bindings/interrupt-controller/irq.h>
     49 #include <dt-bindings/pinctrl/sun4i-a10.h>
     50 #include <dt-bindings/pwm/pwm.h>
     51 
     52 / {
     53 	model = "iNet-1";
     54 	compatible = "inet-tek,inet1", "allwinner,sun4i-a10";
     55 
     56 	aliases {
     57 		serial0 = &uart0;
     58 	};
     59 
     60 	backlight: backlight {
     61 		compatible = "pwm-backlight";
     62 		pinctrl-names = "default";
     63 		pinctrl-0 = <&bl_en_pin_inet>;
     64 		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
     65 		brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
     66 		default-brightness-level = <8>;
     67 		enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */
     68 	};
     69 
     70 	chosen {
     71 		stdout-path = "serial0:115200n8";
     72 	};
     73 };
     74 
     75 &codec {
     76 	status = "okay";
     77 };
     78 
     79 &cpu0 {
     80 	cpu-supply = <&reg_dcdc2>;
     81 };
     82 
     83 &ehci0  {
     84 	status = "okay";
     85 };
     86 
     87 &ehci1 {
     88 	status = "okay";
     89 };
     90 
     91 &i2c0 {
     92 	pinctrl-names = "default";
     93 	pinctrl-0 = <&i2c0_pins_a>;
     94 	status = "okay";
     95 
     96 	axp209: pmic@34 {
     97 		reg = <0x34>;
     98 		interrupts = <0>;
     99 	};
    100 };
    101 
    102 #include "axp209.dtsi"
    103 
    104 &i2c1 {
    105 	pinctrl-names = "default";
    106 	pinctrl-0 = <&i2c1_pins_a>;
    107 	status = "okay";
    108 
    109 	/* Accelerometer */
    110 	bma250@18 {
    111 		compatible = "bosch,bma250";
    112 		reg = <0x18>;
    113 		interrupt-parent = <&pio>;
    114 		interrupts = <7 0 IRQ_TYPE_EDGE_RISING>; /* PH0 / EINT0 */
    115 	};
    116 };
    117 
    118 &i2c2 {
    119 	pinctrl-names = "default";
    120 	pinctrl-0 = <&i2c2_pins_a>;
    121 	status = "okay";
    122 
    123 	ft5x: touchscreen@38 {
    124 		compatible = "edt,edt-ft5406";
    125 		reg = <0x38>;
    126 		interrupt-parent = <&pio>;
    127 		interrupts = <7 21 IRQ_TYPE_EDGE_FALLING>;
    128 		pinctrl-names = "default";
    129 		pinctrl-0 = <&touchscreen_wake_pin>;
    130 		wake-gpios = <&pio 1 13 GPIO_ACTIVE_HIGH>; /* PB13 */
    131 		touchscreen-size-x = <600>;
    132 		touchscreen-size-y = <1024>;
    133 		touchscreen-swapped-x-y;
    134 	};
    135 };
    136 
    137 &lradc {
    138 	vref-supply = <&reg_ldo2>;
    139 	status = "okay";
    140 
    141 	button@200 {
    142 		label = "Volume Up";
    143 		linux,code = <KEY_VOLUMEUP>;
    144 		channel = <0>;
    145 		voltage = <200000>;
    146 	};
    147 
    148 	button@1000 {
    149 		label = "Volume Down";
    150 		linux,code = <KEY_VOLUMEDOWN>;
    151 		channel = <0>;
    152 		voltage = <1000000>;
    153 	};
    154 
    155 	button@1200 {
    156 		label = "Home";
    157 		linux,code = <KEY_HOMEPAGE>;
    158 		channel = <0>;
    159 		voltage = <1200000>;
    160 	};
    161 };
    162 
    163 &mmc0 {
    164 	pinctrl-names = "default";
    165 	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
    166 	vmmc-supply = <&reg_vcc3v3>;
    167 	bus-width = <4>;
    168 	cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
    169 	cd-inverted;
    170 	status = "okay";
    171 };
    172 
    173 &ohci0  {
    174 	status = "okay";
    175 };
    176 
    177 &otg_sram {
    178 	status = "okay";
    179 };
    180 
    181 &pio {
    182 	bl_en_pin_inet: bl_en_pin@0 {
    183 		allwinner,pins = "PH7";
    184 		allwinner,function = "gpio_out";
    185 		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
    186 		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
    187 	};
    188 
    189 	touchscreen_wake_pin: touchscreen_wake_pin@0 {
    190 		allwinner,pins = "PB13";
    191 		allwinner,function = "gpio_out";
    192 		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
    193 		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
    194 	};
    195 
    196 	usb0_id_detect_pin: usb0_id_detect_pin@0 {
    197 		allwinner,pins = "PH4";
    198 		allwinner,function = "gpio_in";
    199 		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
    200 		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
    201 	};
    202 
    203 	usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
    204 		allwinner,pins = "PH5";
    205 		allwinner,function = "gpio_in";
    206 		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
    207 		allwinner,pull = <SUN4I_PINCTRL_PULL_DOWN>;
    208 	};
    209 };
    210 
    211 &pwm {
    212 	pinctrl-names = "default";
    213 	pinctrl-0 = <&pwm0_pins_a>;
    214 	status = "okay";
    215 };
    216 
    217 &reg_dcdc2 {
    218 	regulator-always-on;
    219 	regulator-min-microvolt = <1000000>;
    220 	regulator-max-microvolt = <1400000>;
    221 	regulator-name = "vdd-cpu";
    222 };
    223 
    224 &reg_dcdc3 {
    225 	regulator-always-on;
    226 	regulator-min-microvolt = <1250000>;
    227 	regulator-max-microvolt = <1250000>;
    228 	regulator-name = "vdd-int-dll";
    229 };
    230 
    231 &reg_ldo1 {
    232 	regulator-name = "vdd-rtc";
    233 };
    234 
    235 &reg_ldo2 {
    236 	regulator-always-on;
    237 	regulator-min-microvolt = <3000000>;
    238 	regulator-max-microvolt = <3000000>;
    239 	regulator-name = "avcc";
    240 };
    241 
    242 &reg_usb0_vbus {
    243 	status = "okay";
    244 };
    245 
    246 &reg_usb1_vbus {
    247 	status = "okay";
    248 };
    249 
    250 &reg_usb2_vbus {
    251 	status = "okay";
    252 };
    253 
    254 &uart0 {
    255 	pinctrl-names = "default";
    256 	pinctrl-0 = <&uart0_pins_a>;
    257 	status = "okay";
    258 };
    259 
    260 &usb_otg {
    261 	dr_mode = "otg";
    262 	status = "okay";
    263 };
    264 
    265 &usbphy {
    266 	pinctrl-names = "default";
    267 	pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
    268 	usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
    269 	usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
    270 	usb0_vbus-supply = <&reg_usb0_vbus>;
    271 	usb1_vbus-supply = <&reg_usb1_vbus>;
    272 	usb2_vbus-supply = <&reg_usb2_vbus>;
    273 	status = "okay";
    274 };
    275