1/*
  2 * Copyright 2015 Hans de Goede <hdegoede@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 "sun5i-a13.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 = "Utoo P66";
 54	compatible = "utoo,p66", "allwinner,sun5i-a13";
 55
 56	backlight: backlight {
 57		compatible = "pwm-backlight";
 58		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
 59		/* Note levels of 10 / 20% result in backlight off */
 60		brightness-levels = <0 30 40 50 60 70 80 90 100>;
 61		default-brightness-level = <6>;
 62		/* TODO: backlight uses axp gpio1 as enable pin */
 63	};
 64
 65	i2c_lcd: i2c@0 {
 66		/* The lcd panel i2c interface is hooked up via gpios */
 67		compatible = "i2c-gpio";
 68		pinctrl-names = "default";
 69		pinctrl-0 = <&i2c_lcd_pins>;
 70		gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>, /* PG12, sda */
 71			<&pio 6 10 GPIO_ACTIVE_HIGH>; /* PG10, scl */
 72		i2c-gpio,delay-us = <5>;
 73	};
 74};
 75
 76&codec {
 77	pinctrl-names = "default";
 78	pinctrl-0 = <&codec_pa_pin>;
 79	allwinner,pa-gpios = <&pio 6 3 GPIO_ACTIVE_HIGH>; /* PG3 */
 80	status = "okay";
 81};
 82
 83&cpu0 {
 84	cpu-supply = <&reg_dcdc2>;
 85};
 86
 87&ehci0 {
 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	icn8318: touchscreen@40 {
110		compatible = "chipone,icn8318";
111		reg = <0x40>;
112		interrupt-parent = <&pio>;
113		interrupts = <6 9 IRQ_TYPE_EDGE_FALLING>; /* EINT9 (PG9) */
114		pinctrl-names = "default";
115		pinctrl-0 = <&ts_wake_pin_p66>;
116		wake-gpios = <&pio 1 3 GPIO_ACTIVE_HIGH>; /* PB3 */
117		touchscreen-size-x = <800>;
118		touchscreen-size-y = <480>;
119		touchscreen-inverted-x;
120		touchscreen-swapped-x-y;
121	};
122
123	pcf8563: rtc@51 {
124		compatible = "nxp,pcf8563";
125		reg = <0x51>;
126	};
127};
128
129&lradc {
130	vref-supply = <&reg_ldo2>;
131	status = "okay";
132
133	button@200 {
134		label = "Volume Up";
135		linux,code = <KEY_VOLUMEUP>;
136		channel = <0>;
137		voltage = <200000>;
138	};
139
140	button@400 {
141		label = "Volume Down";
142		linux,code = <KEY_VOLUMEDOWN>;
143		channel = <0>;
144		voltage = <400000>;
145	};
146};
147
148&mmc0 {
149	pinctrl-names = "default";
150	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_p66>;
151	vmmc-supply = <&reg_vcc3v3>;
152	bus-width = <4>;
153	cd-gpios = <&pio 6 0 GPIO_ACTIVE_HIGH>; /* PG0 */
154	cd-inverted;
155	status = "okay";
156};
157
158&mmc2 {
159	pinctrl-names = "default";
160	pinctrl-0 = <&mmc2_pins_a>;
161	vmmc-supply = <&reg_vcc3v3>;
162	bus-width = <8>;
163	non-removable;
164	status = "okay";
165
166	mmccard: mmccard@0 {
167		reg = <0>;
168		compatible = "mmc-card";
169		broken-hpi;
170	};
171};
172
173&otg_sram {
174	status = "okay";
175};
176
177&pio {
178	codec_pa_pin: codec_pa_pin@0 {
179		allwinner,pins = "PG3";
180		allwinner,function = "gpio_out";
181		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
182		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
183	};
184
185	mmc0_cd_pin_p66: mmc0_cd_pin@0 {
186		allwinner,pins = "PG0";
187		allwinner,function = "gpio_in";
188		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
189		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
190	};
191
192	usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
193		allwinner,pins = "PG1";
194		allwinner,function = "gpio_in";
195		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
196		allwinner,pull = <SUN4I_PINCTRL_PULL_DOWN>;
197	};
198
199	usb0_id_detect_pin: usb0_id_detect_pin@0 {
200		allwinner,pins = "PG2";
201		allwinner,function = "gpio_in";
202		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
203		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
204	};
205
206	i2c_lcd_pins: i2c_lcd_pin@0 {
207		allwinner,pins = "PG10", "PG12";
208		allwinner,function = "gpio_out";
209		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
210		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
211	};
212
213	ts_wake_pin_p66: ts_wake_pin@0 {
214		allwinner,pins = "PB3";
215		allwinner,function = "gpio_out";
216		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
217		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
218	};
219
220	usb0_vbus_pin_a: usb0_vbus_pin@0 {
221		allwinner,pins = "PB4";
222		allwinner,function = "gpio_out";
223		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
224		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
225	};
226};
227
228&pwm {
229	pinctrl-names = "default";
230	pinctrl-0 = <&pwm0_pins>;
231	status = "okay";
232};
233
234&reg_dcdc2 {
235	regulator-always-on;
236	regulator-min-microvolt = <1000000>;
237	regulator-max-microvolt = <1500000>;
238	regulator-name = "vdd-cpu";
239};
240
241&reg_dcdc3 {
242	regulator-always-on;
243	regulator-min-microvolt = <1000000>;
244	regulator-max-microvolt = <1400000>;
245	regulator-name = "vdd-int-pll";
246};
247
248&reg_ldo1 {
249	regulator-name = "vdd-rtc";
250};
251
252&reg_ldo2 {
253	regulator-always-on;
254	regulator-min-microvolt = <3000000>;
255	regulator-max-microvolt = <3000000>;
256	regulator-name = "avcc";
257};
258
259&reg_ldo3 {
260	regulator-min-microvolt = <3300000>;
261	regulator-max-microvolt = <3300000>;
262	regulator-name = "vcc-wifi";
263};
264
265&reg_usb0_vbus {
266	gpio = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
267	status = "okay";
268};
269
270&usb_otg {
271	dr_mode = "otg";
272	status = "okay";
273};
274
275&usbphy {
276	pinctrl-names = "default";
277	pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
278	usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
279	usb0_vbus_det-gpio = <&pio 6 1 GPIO_ACTIVE_HIGH>; /* PG1 */
280	usb0_vbus-supply = <&reg_usb0_vbus>;
281	usb1_vbus-supply = <&reg_ldo3>;
282	status = "okay";
283};