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/pwm/pwm.h>
 50
 51/ {
 52	model = "Empire Electronix D709 tablet";
 53	compatible = "empire-electronix,d709", "allwinner,sun5i-a13";
 54
 55	aliases {
 56		serial0 = &uart1;
 57	};
 58
 59	backlight: backlight {
 60		compatible = "pwm-backlight";
 61		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
 62		brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
 63		default-brightness-level = <8>;
 64		/* TODO: backlight uses axp gpio1 as enable pin */
 65	};
 66
 67	chosen {
 68		stdout-path = "serial0:115200n8";
 69	};
 70};
 71
 72&cpu0 {
 73	cpu-supply = <&reg_dcdc2>;
 74};
 75
 76&ehci0 {
 77	status = "okay";
 78};
 79
 80&i2c0 {
 
 
 81	status = "okay";
 82
 83	axp209: pmic@34 {
 84		reg = <0x34>;
 85		interrupts = <0>;
 86	};
 87};
 88
 89#include "axp209.dtsi"
 90
 91&i2c1 {
 
 
 92	status = "okay";
 93
 94	pcf8563: rtc@51 {
 95		compatible = "nxp,pcf8563";
 96		reg = <0x51>;
 97	};
 98};
 99
100&lradc {
101	vref-supply = <&reg_ldo2>;
102	status = "okay";
103
104	button-200 {
105		label = "Volume Up";
106		linux,code = <KEY_VOLUMEUP>;
107		channel = <0>;
108		voltage = <200000>;
109	};
110
111	button-400 {
112		label = "Volume Down";
113		linux,code = <KEY_VOLUMEDOWN>;
114		channel = <0>;
115		voltage = <400000>;
116	};
117};
118
119&mmc0 {
 
 
120	vmmc-supply = <&reg_vcc3v3>;
121	bus-width = <4>;
122	cd-gpios = <&pio 6 0 GPIO_ACTIVE_LOW>; /* PG0 */
 
123	status = "okay";
124};
125
126&otg_sram {
127	status = "okay";
128};
129
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
130&pwm {
131	pinctrl-names = "default";
132	pinctrl-0 = <&pwm0_pin>;
133	status = "okay";
134};
135
136&reg_dcdc2 {
137	regulator-always-on;
138	regulator-min-microvolt = <1000000>;
139	regulator-max-microvolt = <1400000>;
140	regulator-name = "vdd-cpu";
141};
142
143&reg_dcdc3 {
144	regulator-always-on;
145	regulator-min-microvolt = <1250000>;
146	regulator-max-microvolt = <1250000>;
147	regulator-name = "vdd-int-pll";
148};
149
150&reg_ldo1 {
151	regulator-name = "vdd-rtc";
152};
153
154&reg_ldo2 {
155	regulator-always-on;
156	regulator-min-microvolt = <3000000>;
157	regulator-max-microvolt = <3000000>;
158	regulator-name = "avcc";
159};
160
161&reg_ldo3 {
162	regulator-min-microvolt = <3300000>;
163	regulator-max-microvolt = <3300000>;
164	regulator-name = "vcc-wifi";
165};
166
167&reg_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&usbphy {
184	usb0_id_det-gpios = <&pio 6 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PG2 */
185	usb0_vbus_det-gpios = <&pio 6 1 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; /* PG1 */
 
 
186	usb0_vbus-supply = <&reg_usb0_vbus>;
187	usb1_vbus-supply = <&reg_ldo3>;
188	status = "okay";
189};

  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 = "Empire Electronix D709 tablet";
 54	compatible = "empire-electronix,d709", "allwinner,sun5i-a13";
 55
 56	aliases {
 57		serial0 = &uart1;
 58	};
 59
 60	backlight: backlight {
 61		compatible = "pwm-backlight";
 62		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
 63		brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
 64		default-brightness-level = <8>;
 65		/* TODO: backlight uses axp gpio1 as enable pin */
 66	};
 67
 68	chosen {
 69		stdout-path = "serial0:115200n8";
 70	};
 71};
 72
 73&cpu0 {
 74	cpu-supply = <&reg_dcdc2>;
 75};
 76
 77&ehci0 {
 78	status = "okay";
 79};
 80
 81&i2c0 {
 82	pinctrl-names = "default";
 83	pinctrl-0 = <&i2c0_pins_a>;
 84	status = "okay";
 85
 86	axp209: pmic@34 {
 87		reg = <0x34>;
 88		interrupts = <0>;
 89	};
 90};
 91
 92#include "axp209.dtsi"
 93
 94&i2c1 {
 95	pinctrl-names = "default";
 96	pinctrl-0 = <&i2c1_pins_a>;
 97	status = "okay";
 98
 99	pcf8563: rtc@51 {
100		compatible = "nxp,pcf8563";
101		reg = <0x51>;
102	};
103};
104
105&lradc {
106	vref-supply = <&reg_ldo2>;
107	status = "okay";
108
109	button@200 {
110		label = "Volume Up";
111		linux,code = <KEY_VOLUMEUP>;
112		channel = <0>;
113		voltage = <200000>;
114	};
115
116	button@400 {
117		label = "Volume Down";
118		linux,code = <KEY_VOLUMEDOWN>;
119		channel = <0>;
120		voltage = <400000>;
121	};
122};
123
124&mmc0 {
125	pinctrl-names = "default";
126	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_d709>;
127	vmmc-supply = <&reg_vcc3v3>;
128	bus-width = <4>;
129	cd-gpios = <&pio 6 0 GPIO_ACTIVE_HIGH>; /* PG0 */
130	cd-inverted;
131	status = "okay";
132};
133
134&otg_sram {
135	status = "okay";
136};
137
138&pio {
139	mmc0_cd_pin_d709: 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	usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
147		allwinner,pins = "PG1";
148		allwinner,function = "gpio_in";
149		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
150		allwinner,pull = <SUN4I_PINCTRL_PULL_DOWN>;
151	};
152
153	usb0_id_detect_pin: usb0_id_detect_pin@0 {
154		allwinner,pins = "PG2";
155		allwinner,function = "gpio_in";
156		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
157		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
158	};
159};
160
161&pwm {
162	pinctrl-names = "default";
163	pinctrl-0 = <&pwm0_pins>;
164	status = "okay";
165};
166
167&reg_dcdc2 {
168	regulator-always-on;
169	regulator-min-microvolt = <1000000>;
170	regulator-max-microvolt = <1400000>;
171	regulator-name = "vdd-cpu";
172};
173
174&reg_dcdc3 {
175	regulator-always-on;
176	regulator-min-microvolt = <1250000>;
177	regulator-max-microvolt = <1250000>;
178	regulator-name = "vdd-int-pll";
179};
180
181&reg_ldo1 {
182	regulator-name = "vdd-rtc";
183};
184
185&reg_ldo2 {
186	regulator-always-on;
187	regulator-min-microvolt = <3000000>;
188	regulator-max-microvolt = <3000000>;
189	regulator-name = "avcc";
190};
191
192&reg_ldo3 {
193	regulator-min-microvolt = <3300000>;
194	regulator-max-microvolt = <3300000>;
195	regulator-name = "vcc-wifi";
196};
197
198&reg_usb0_vbus {
199	gpio = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
200	status = "okay";
201};
202
203&uart1 {
204	pinctrl-names = "default";
205	pinctrl-0 = <&uart1_pins_b>;
206	status = "okay";
207};
208
209&usb_otg {
210	dr_mode = "otg";
211	status = "okay";
212};
213
214&usb0_vbus_pin_a {
215	allwinner,pins = "PG12";
216};
217
218&usbphy {
219	pinctrl-names = "default";
220	pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
221	usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
222	usb0_vbus_det-gpio = <&pio 6 1 GPIO_ACTIVE_HIGH>; /* PG1 */
223	usb0_vbus-supply = <&reg_usb0_vbus>;
224	usb1_vbus-supply = <&reg_ldo3>;
225	status = "okay";
226};