• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 "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/pwm/pwm.h>
50
51/ {
52	model = "Point of View Protab2-IPS9";
53	compatible = "pov,protab2-ips9", "allwinner,sun4i-a10";
54
55	aliases {
56		serial0 = &uart0;
57	};
58
59	backlight: backlight {
60		compatible = "pwm-backlight";
61		pinctrl-names = "default";
62		pinctrl-0 = <&bl_en_pin_protab>;
63		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
64		brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
65		default-brightness-level = <8>;
66		enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */
67	};
68
69	chosen {
70		stdout-path = "serial0:115200n8";
71	};
72};
73
74&codec {
75	pinctrl-names = "default";
76	pinctrl-0 = <&codec_pa_pin>;
77	allwinner,pa-gpios = <&pio 7 15 GPIO_ACTIVE_HIGH>; /* PH15 */
78	status = "okay";
79};
80
81&cpu0 {
82	cpu-supply = <&reg_dcdc2>;
83};
84
85&ehci0 {
86	status = "okay";
87};
88
89&i2c0 {
90	pinctrl-names = "default";
91	pinctrl-0 = <&i2c0_pins_a>;
92	status = "okay";
93
94	axp209: pmic@34 {
95		reg = <0x34>;
96		interrupts = <0>;
97	};
98};
99
100#include "axp209.dtsi"
101
102&i2c1 {
103	pinctrl-names = "default";
104	pinctrl-0 = <&i2c1_pins_a>;
105	/* pull-ups and devices require AXP209 LDO3 */
106	status = "failed";
107};
108
109&i2c2 {
110	pinctrl-names = "default";
111	pinctrl-0 = <&i2c2_pins_a>;
112	status = "okay";
113
114	pixcir_ts@5c {
115		pinctrl-names = "default";
116		pinctrl-0 = <&touchscreen_pins>;
117		compatible = "pixcir,pixcir_tangoc";
118		reg = <0x5c>;
119		interrupt-parent = <&pio>;
120		interrupts = <7 21 IRQ_TYPE_EDGE_FALLING>; /* EINT21 (PH21) */
121		attb-gpio = <&pio 7 21 GPIO_ACTIVE_HIGH>; /* PH21 */
122		enable-gpios = <&pio 0 5 GPIO_ACTIVE_LOW>;
123		wake-gpios = <&pio 1 13 GPIO_ACTIVE_LOW>;
124		touchscreen-size-x = <1024>;
125		touchscreen-size-y = <768>;
126		touchscreen-inverted-x;
127		touchscreen-inverted-y;
128	};
129};
130
131&lradc {
132	vref-supply = <&reg_ldo2>;
133	status = "okay";
134
135	button@400 {
136		label = "Volume Up";
137		linux,code = <KEY_VOLUMEUP>;
138		channel = <0>;
139		voltage = <400000>;
140	};
141
142	button@800 {
143		label = "Volume Down";
144		linux,code = <KEY_VOLUMEDOWN>;
145		channel = <0>;
146		voltage = <800000>;
147	};
148};
149
150&mmc0 {
151	pinctrl-names = "default";
152	pinctrl-0 = <&mmc0_pins_a>;
153	vmmc-supply = <&reg_vcc3v3>;
154	bus-width = <4>;
155	cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
156	cd-inverted;
157	status = "okay";
158};
159
160&otg_sram {
161	status = "okay";
162};
163
164&pio {
165	bl_en_pin_protab: bl_en_pin@0 {
166		pins = "PH7";
167		function = "gpio_out";
168	};
169
170	codec_pa_pin: codec_pa_pin@0 {
171		pins = "PH15";
172		function = "gpio_out";
173	};
174
175	touchscreen_pins: touchscreen_pins@0 {
176		pins = "PA5", "PB13";
177		function = "gpio_out";
178	};
179
180	usb0_id_detect_pin: usb0_id_detect_pin@0 {
181		pins = "PH4";
182		function = "gpio_in";
183		bias-pull-up;
184	};
185
186	usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
187		pins = "PH5";
188		function = "gpio_in";
189		bias-pull-down;
190	};
191};
192
193&pwm {
194	pinctrl-names = "default";
195	pinctrl-0 = <&pwm0_pins_a>;
196	status = "okay";
197};
198
199&reg_dcdc2 {
200	regulator-always-on;
201	regulator-min-microvolt = <1000000>;
202	regulator-max-microvolt = <1400000>;
203	regulator-name = "vdd-cpu";
204};
205
206&reg_dcdc3 {
207	regulator-always-on;
208	regulator-min-microvolt = <1250000>;
209	regulator-max-microvolt = <1250000>;
210	regulator-name = "vdd-int-dll";
211};
212
213&reg_ldo1 {
214	regulator-name = "vdd-rtc";
215};
216
217&reg_ldo2 {
218	regulator-always-on;
219	regulator-min-microvolt = <3000000>;
220	regulator-max-microvolt = <3000000>;
221	regulator-name = "avcc";
222};
223
224&reg_usb0_vbus {
225	status = "okay";
226};
227
228&reg_usb1_vbus {
229	status = "okay";
230};
231
232&uart0 {
233	pinctrl-names = "default";
234	pinctrl-0 = <&uart0_pins_a>;
235	status = "okay";
236};
237
238&usb_otg {
239	dr_mode = "otg";
240	status = "okay";
241};
242
243&usbphy {
244	pinctrl-names = "default";
245	pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
246	usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
247	usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
248	usb0_vbus-supply = <&reg_usb0_vbus>;
249	usb1_vbus-supply = <&reg_usb1_vbus>;
250	status = "okay";
251};
252