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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#include "sunxi-reference-design-tablet.dtsi"
43
44#include <dt-bindings/interrupt-controller/irq.h>
45#include <dt-bindings/pwm/pwm.h>
46
47/ {
48 aliases {
49 serial0 = &uart1;
50 };
51
52 backlight: backlight {
53 compatible = "pwm-backlight";
54 pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
55 brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
56 default-brightness-level = <8>;
57 enable-gpios = <&axp_gpio 1 GPIO_ACTIVE_HIGH>; /* AXP GPIO1 */
58 power-supply = <®_vcc3v0>;
59 };
60
61 chosen {
62 stdout-path = "serial0:115200n8";
63 };
64};
65
66&codec {
67 allwinner,pa-gpios = <&pio 6 10 GPIO_ACTIVE_HIGH>; /* PG10 */
68 status = "okay";
69};
70
71&cpu0 {
72 cpu-supply = <®_dcdc2>;
73};
74
75&ehci0 {
76 status = "okay";
77};
78
79&i2c0 {
80 axp209: pmic@34 {
81 reg = <0x34>;
82 interrupts = <0>;
83 };
84};
85
86&i2c1 {
87 /*
88 * The gsl1680 is rated at 400KHz and it will not work reliable at
89 * 100KHz, this has been confirmed on multiple different q8 tablets.
90 * All other devices on this bus are also rated for 400KHz.
91 */
92 clock-frequency = <400000>;
93
94 touchscreen: touchscreen@40 {
95 reg = <0x40>;
96 interrupt-parent = <&pio>;
97 interrupts = <6 11 IRQ_TYPE_EDGE_FALLING>; /* EINT11 (PG11) */
98 power-gpios = <&pio 1 3 GPIO_ACTIVE_HIGH>; /* PB3 */
99 /* Tablet dts must provide reg and compatible */
100 status = "disabled";
101 };
102
103 pcf8563: rtc@51 {
104 compatible = "nxp,pcf8563";
105 reg = <0x51>;
106 };
107};
108
109#include "axp209.dtsi"
110
111&ac_power_supply {
112 status = "okay";
113};
114
115&battery_power_supply {
116 status = "okay";
117};
118
119&lradc {
120 vref-supply = <®_ldo2>;
121};
122
123&mmc0 {
124 pinctrl-names = "default";
125 pinctrl-0 = <&mmc0_pins>;
126 vmmc-supply = <®_vcc3v0>;
127 bus-width = <4>;
128 cd-gpios = <&pio 6 0 GPIO_ACTIVE_LOW>; /* PG0 */
129 status = "okay";
130};
131
132&otg_sram {
133 status = "okay";
134};
135
136®_dcdc2 {
137 regulator-always-on;
138 regulator-min-microvolt = <1000000>;
139 regulator-max-microvolt = <1500000>;
140 regulator-name = "vdd-cpu";
141};
142
143®_dcdc3 {
144 regulator-always-on;
145 regulator-min-microvolt = <1000000>;
146 regulator-max-microvolt = <1400000>;
147 regulator-name = "vdd-int-pll";
148};
149
150®_ldo1 {
151 regulator-name = "vdd-rtc";
152};
153
154®_ldo2 {
155 regulator-always-on;
156 regulator-min-microvolt = <3000000>;
157 regulator-max-microvolt = <3000000>;
158 regulator-name = "avcc";
159};
160
161®_ldo3 {
162 regulator-min-microvolt = <3300000>;
163 regulator-max-microvolt = <3300000>;
164 regulator-name = "vcc-wifi";
165};
166
167®_usb0_vbus {
168 gpio = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
169 status = "okay";
170};
171
172&uart1 {
173 pinctrl-names = "default";
174 pinctrl-0 = <&uart1_pg_pins>;
175 status = "okay";
176};
177
178&usb_otg {
179 dr_mode = "otg";
180 status = "okay";
181};
182
183&usb_power_supply {
184 status = "okay";
185};
186
187&usbphy {
188 usb0_id_det-gpios = <&pio 6 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PG2 */
189 usb0_vbus_det-gpios = <&pio 6 1 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; /* PG1 */
190 usb0_vbus_power-supply = <&usb_power_supply>;
191 usb0_vbus-supply = <®_usb0_vbus>;
192 usb1_vbus-supply = <®_ldo3>;
193 status = "okay";
194};
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#include "sunxi-reference-design-tablet.dtsi"
43
44#include <dt-bindings/interrupt-controller/irq.h>
45#include <dt-bindings/pwm/pwm.h>
46
47/ {
48 aliases {
49 serial0 = &uart1;
50 };
51
52 backlight: backlight {
53 compatible = "pwm-backlight";
54 pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
55 brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
56 default-brightness-level = <8>;
57 /* TODO: backlight uses axp gpio1 as enable pin */
58 };
59
60 chosen {
61 stdout-path = "serial0:115200n8";
62 };
63};
64
65&codec {
66 pinctrl-names = "default";
67 pinctrl-0 = <&codec_pa_pin>;
68 allwinner,pa-gpios = <&pio 6 10 GPIO_ACTIVE_HIGH>; /* PG10 */
69 status = "okay";
70};
71
72&cpu0 {
73 cpu-supply = <®_dcdc2>;
74};
75
76&ehci0 {
77 status = "okay";
78};
79
80&i2c0 {
81 axp209: pmic@34 {
82 reg = <0x34>;
83 interrupts = <0>;
84 };
85};
86
87&i2c1 {
88 /*
89 * The gsl1680 is rated at 400KHz and it will not work reliable at
90 * 100KHz, this has been confirmed on multiple different q8 tablets.
91 * All other devices on this bus are also rated for 400KHz.
92 */
93 clock-frequency = <400000>;
94
95 touchscreen: touchscreen {
96 interrupt-parent = <&pio>;
97 interrupts = <6 11 IRQ_TYPE_EDGE_FALLING>; /* EINT11 (PG11) */
98 pinctrl-names = "default";
99 pinctrl-0 = <&ts_power_pin>;
100 power-gpios = <&pio 1 3 GPIO_ACTIVE_HIGH>; /* PB3 */
101 /* Tablet dts must provide reg and compatible */
102 status = "disabled";
103 };
104
105 pcf8563: rtc@51 {
106 compatible = "nxp,pcf8563";
107 reg = <0x51>;
108 };
109};
110
111#include "axp209.dtsi"
112
113&lradc {
114 vref-supply = <®_ldo2>;
115};
116
117&mmc0 {
118 pinctrl-names = "default";
119 pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin>;
120 vmmc-supply = <®_vcc3v0>;
121 bus-width = <4>;
122 cd-gpios = <&pio 6 0 GPIO_ACTIVE_HIGH>; /* PG0 */
123 cd-inverted;
124 status = "okay";
125};
126
127&otg_sram {
128 status = "okay";
129};
130
131&pio {
132 codec_pa_pin: codec_pa_pin@0 {
133 allwinner,pins = "PG10";
134 allwinner,function = "gpio_out";
135 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
136 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
137 };
138
139 mmc0_cd_pin: mmc0_cd_pin@0 {
140 allwinner,pins = "PG0";
141 allwinner,function = "gpio_in";
142 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
143 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
144 };
145
146 ts_power_pin: ts_power_pin {
147 pins = "PB3";
148 function = "gpio_out";
149 drive-strength = <10>;
150 bias-disable;
151 };
152
153 usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
154 allwinner,pins = "PG1";
155 allwinner,function = "gpio_in";
156 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
157 allwinner,pull = <SUN4I_PINCTRL_PULL_DOWN>;
158 };
159
160 usb0_id_detect_pin: usb0_id_detect_pin@0 {
161 allwinner,pins = "PG2";
162 allwinner,function = "gpio_in";
163 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
164 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
165 };
166
167 usb0_vbus_pin_a: usb0_vbus_pin@0 {
168 allwinner,pins = "PG12";
169 allwinner,function = "gpio_out";
170 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
171 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
172 };
173};
174
175®_dcdc2 {
176 regulator-always-on;
177 regulator-min-microvolt = <1000000>;
178 regulator-max-microvolt = <1500000>;
179 regulator-name = "vdd-cpu";
180};
181
182®_dcdc3 {
183 regulator-always-on;
184 regulator-min-microvolt = <1000000>;
185 regulator-max-microvolt = <1400000>;
186 regulator-name = "vdd-int-pll";
187};
188
189®_ldo1 {
190 regulator-name = "vdd-rtc";
191};
192
193®_ldo2 {
194 regulator-always-on;
195 regulator-min-microvolt = <3000000>;
196 regulator-max-microvolt = <3000000>;
197 regulator-name = "avcc";
198};
199
200®_ldo3 {
201 regulator-min-microvolt = <3300000>;
202 regulator-max-microvolt = <3300000>;
203 regulator-name = "vcc-wifi";
204};
205
206®_usb0_vbus {
207 gpio = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
208 status = "okay";
209};
210
211&uart1 {
212 pinctrl-names = "default";
213 pinctrl-0 = <&uart1_pins_b>;
214 status = "okay";
215};
216
217&usb_otg {
218 dr_mode = "otg";
219 status = "okay";
220};
221
222&usb_power_supply {
223 status = "okay";
224};
225
226&usbphy {
227 pinctrl-names = "default";
228 pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
229 usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
230 usb0_vbus_det-gpio = <&pio 6 1 GPIO_ACTIVE_HIGH>; /* PG1 */
231 usb0_vbus_power-supply = <&usb_power_supply>;
232 usb0_vbus-supply = <®_usb0_vbus>;
233 usb1_vbus-supply = <®_ldo3>;
234 status = "okay";
235};