[deliverable/linux.git] / arch / arm / boot / dts / sun8i-reference-design-tablet.dtsi

/*
 * Copyright 2015 Hans de Goede <hdegoede@redhat.com>
 *
 * This file is dual-licensed: you can use it either under the terms
 * of the GPL or the X11 license, at your option. Note that this dual
 * licensing only applies to this file, and not this project as a
 * whole.
 *
 *  a) This file is free software; you can redistribute it and/or
 *     modify it under the terms of the GNU General Public License as
 *     published by the Free Software Foundation; either version 2 of the
 *     License, or (at your option) any later version.
 *
 *     This file is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 * Or, alternatively,
 *
 *  b) Permission is hereby granted, free of charge, to any person
 *     obtaining a copy of this software and associated documentation
 *     files (the "Software"), to deal in the Software without
 *     restriction, including without limitation the rights to use,
 *     copy, modify, merge, publish, distribute, sublicense, and/or
 *     sell copies of the Software, and to permit persons to whom the
 *     Software is furnished to do so, subject to the following
 *     conditions:
 *
 *     The above copyright notice and this permission notice shall be
 *     included in all copies or substantial portions of the Software.
 *
 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *     OTHER DEALINGS IN THE SOFTWARE.
 */
#include "sunxi-reference-design-tablet.dtsi"

#include <dt-bindings/pwm/pwm.h>

/ {
	aliases {
		serial0 = &r_uart;
	};

	backlight: backlight {
		compatible = "pwm-backlight";
		pinctrl-names = "default";
		pinctrl-0 = <&bl_en_pin>;
		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
		brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
		default-brightness-level = <8>;
		enable-gpios = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};
};

&i2c0 {
	/*
	 * The gsl1680 is rated at 400KHz and it will not work reliable at
	 * 100KHz, this has been confirmed on multiple different q8 tablets.
	 * The gsl1680 is the only device on this bus.
	 */
	clock-frequency = <400000>;

	touchscreen: touchscreen@0 {
		interrupt-parent = <&pio>;
		interrupts = <1 5 IRQ_TYPE_EDGE_FALLING>; /* PB5 */
		pinctrl-names = "default";
		pinctrl-0 = <&ts_power_pin>;
		power-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
		/* Tablet dts must provide reg and compatible */
		status = "disabled";
	};
};

&mmc0 {
	pinctrl-names = "default";
	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin>;
	vmmc-supply = <&reg_dcdc1>;
	bus-width = <4>;
	cd-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
	cd-inverted;
	status = "okay";
};

&pio {
	bl_en_pin: bl_en_pin@0 {
		allwinner,pins = "PH6";
		allwinner,function = "gpio_in";
		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
	};

	mmc0_cd_pin: mmc0_cd_pin@0 {
		allwinner,pins = "PB4";
		allwinner,function = "gpio_in";
		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
	};

	ts_power_pin: ts_power_pin@0 {
		allwinner,pins = "PH1";
		allwinner,function = "gpio_out";
		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
	};

	usb0_id_detect_pin: usb0_id_detect_pin@0 {
		allwinner,pins = "PH8";
		allwinner,function = "gpio_in";
		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
	};
};

&r_rsb {
	status = "okay";

	axp22x: pmic@3a3 {
		compatible = "x-powers,axp223";
		reg = <0x3a3>;
		interrupt-parent = <&nmi_intc>;
		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
		eldoin-supply = <&reg_dcdc1>;
		drivevbus-supply = <&reg_vcc5v0>;
		x-powers,drive-vbus-en;
	};
};

#include "axp22x.dtsi"

&reg_aldo1 {
	regulator-always-on;
	regulator-min-microvolt = <3000000>;
	regulator-max-microvolt = <3000000>;
	regulator-name = "vcc-io";
};

&reg_aldo2 {
	regulator-always-on;
	regulator-min-microvolt = <2350000>;
	regulator-max-microvolt = <2650000>;
	regulator-name = "vdd-dll";
};

&reg_aldo3 {
	regulator-always-on;
	regulator-min-microvolt = <2700000>;
	regulator-max-microvolt = <3300000>;
	regulator-name = "vcc-pll-avcc";
};

&reg_dc1sw {
	regulator-name = "vcc-lcd";
};

&reg_dc5ldo {
	regulator-always-on;
	regulator-min-microvolt = <900000>;
	regulator-max-microvolt = <1400000>;
	regulator-name = "vdd-cpus";
};

&reg_dcdc1 {
	regulator-always-on;
	regulator-min-microvolt = <3000000>;
	regulator-max-microvolt = <3000000>;
	regulator-name = "vcc-3v0";
};

&reg_dcdc2 {
	regulator-always-on;
	regulator-min-microvolt = <900000>;
	regulator-max-microvolt = <1400000>;
	regulator-name = "vdd-sys";
};

&reg_dcdc3 {
	regulator-always-on;
	regulator-min-microvolt = <900000>;
	regulator-max-microvolt = <1400000>;
	regulator-name = "vdd-cpu";
};

&reg_dcdc5 {
	regulator-always-on;
	regulator-min-microvolt = <1500000>;
	regulator-max-microvolt = <1500000>;
	regulator-name = "vcc-dram";
};

&reg_dldo1 {
	regulator-min-microvolt = <3300000>;
	regulator-max-microvolt = <3300000>;
	regulator-name = "vcc-wifi";
};

&reg_drivevbus {
	regulator-name = "usb0-vbus";
	status = "okay";
};

&reg_rtc_ldo {
	regulator-name = "vcc-rtc";
};

&r_uart {
	pinctrl-names = "default";
	pinctrl-0 = <&r_uart_pins_a>;
	status = "okay";
};

&simplefb_lcd {
	vcc-lcd-supply = <&reg_dc1sw>;
};

&usb_otg {
	dr_mode = "otg";
	status = "okay";
};

&usb_power_supply {
	status = "okay";
};

&usbphy {
	pinctrl-names = "default";
	pinctrl-0 = <&usb0_id_detect_pin>;
	usb0_id_det-gpio = <&pio 7 8 GPIO_ACTIVE_HIGH>; /* PH8 */
	usb0_vbus_power-supply = <&usb_power_supply>;
	usb0_vbus-supply = <&reg_drivevbus>;
	status = "okay";
};
Commit	Line	Data
edbc6f1f HG	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/pwm/pwm.h>
	45
	46	/ {
	47	aliases {
	48	serial0 = &r_uart;
	49	};
	50
	51	backlight: backlight {
	52	compatible = "pwm-backlight";
	53	pinctrl-names = "default";
	54	pinctrl-0 = <&bl_en_pin>;
	55	pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
	56	brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
	57	default-brightness-level = <8>;
	58	enable-gpios = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
	59	};
	60
	61	chosen {
	62	stdout-path = "serial0:115200n8";
	63	};
	64	};
65
e8552107 HG	66	&i2c0 {
	67	/*
	68	* The gsl1680 is rated at 400KHz and it will not work reliable at
	69	* 100KHz, this has been confirmed on multiple different q8 tablets.
	70	* The gsl1680 is the only device on this bus.
	71	*/
	72	clock-frequency = <400000>;
	73
c224d20d	74	touchscreen: touchscreen@0 {
e8552107 HG	75	interrupt-parent = <&pio>;
	76	interrupts = <1 5 IRQ_TYPE_EDGE_FALLING>; /* PB5 */
	77	pinctrl-names = "default";
	78	pinctrl-0 = <&ts_power_pin>;
	79	power-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
c224d20d	80	/* Tablet dts must provide reg and compatible */
e8552107 HG	81	status = "disabled";
	82	};
	83	};
	84
edbc6f1f HG	85	&mmc0 {
	86	pinctrl-names = "default";
	87	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin>;
	88	vmmc-supply = <&reg_dcdc1>;
	89	bus-width = <4>;
	90	cd-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
	91	cd-inverted;
	92	status = "okay";
	93	};
	94
	95	&pio {
	96	bl_en_pin: bl_en_pin@0 {
	97	allwinner,pins = "PH6";
	98	allwinner,function = "gpio_in";
	99	allwinner,drive = <SUN4I_PINCTRL_10_MA>;
	100	allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
	101	};
	102
	103	mmc0_cd_pin: mmc0_cd_pin@0 {
	104	allwinner,pins = "PB4";
	105	allwinner,function = "gpio_in";
	106	allwinner,drive = <SUN4I_PINCTRL_10_MA>;
	107	allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
	108	};
	109
e8552107 HG	110	ts_power_pin: ts_power_pin@0 {
	111	allwinner,pins = "PH1";
	112	allwinner,function = "gpio_out";
	113	allwinner,drive = <SUN4I_PINCTRL_10_MA>;
	114	allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
	115	};
	116
edbc6f1f HG	117	usb0_id_detect_pin: usb0_id_detect_pin@0 {
	118	allwinner,pins = "PH8";
	119	allwinner,function = "gpio_in";
	120	allwinner,drive = <SUN4I_PINCTRL_10_MA>;
	121	allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
	122	};
	123	};
	124
	125	&r_rsb {
	126	status = "okay";
	127
	128	axp22x: pmic@3a3 {
	129	compatible = "x-powers,axp223";
	130	reg = <0x3a3>;
	131	interrupt-parent = <&nmi_intc>;
	132	interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
	133	eldoin-supply = <&reg_dcdc1>;
672244fa	134	drivevbus-supply = <&reg_vcc5v0>;
edbc6f1f HG	135	x-powers,drive-vbus-en;
	136	};
	137	};
	138
	139	#include "axp22x.dtsi"
	140
	141	&reg_aldo1 {
	142	regulator-always-on;
	143	regulator-min-microvolt = <3000000>;
	144	regulator-max-microvolt = <3000000>;
	145	regulator-name = "vcc-io";
	146	};
	147
	148	&reg_aldo2 {
	149	regulator-always-on;
	150	regulator-min-microvolt = <2350000>;
	151	regulator-max-microvolt = <2650000>;
	152	regulator-name = "vdd-dll";
	153	};
	154
	155	&reg_aldo3 {
	156	regulator-always-on;
	157	regulator-min-microvolt = <2700000>;
	158	regulator-max-microvolt = <3300000>;
	159	regulator-name = "vcc-pll-avcc";
	160	};
	161
	162	&reg_dc1sw {
	163	regulator-name = "vcc-lcd";
	164	};
	165
	166	&reg_dc5ldo {
	167	regulator-always-on;
	168	regulator-min-microvolt = <900000>;
	169	regulator-max-microvolt = <1400000>;
	170	regulator-name = "vdd-cpus";
	171	};
	172
	173	&reg_dcdc1 {
	174	regulator-always-on;
	175	regulator-min-microvolt = <3000000>;
	176	regulator-max-microvolt = <3000000>;
	177	regulator-name = "vcc-3v0";
	178	};
	179
	180	&reg_dcdc2 {
	181	regulator-always-on;
	182	regulator-min-microvolt = <900000>;
	183	regulator-max-microvolt = <1400000>;
	184	regulator-name = "vdd-sys";
	185	};
	186
	187	&reg_dcdc3 {
	188	regulator-always-on;
	189	regulator-min-microvolt = <900000>;
	190	regulator-max-microvolt = <1400000>;
	191	regulator-name = "vdd-cpu";
	192	};
	193
	194	&reg_dcdc5 {
	195	regulator-always-on;
	196	regulator-min-microvolt = <1500000>;
	197	regulator-max-microvolt = <1500000>;
	198	regulator-name = "vcc-dram";
199	};
200
201	&reg_dldo1 {
202	regulator-min-microvolt = <3300000>;
203	regulator-max-microvolt = <3300000>;
204	regulator-name = "vcc-wifi";
205	};
206
207	&reg_drivevbus {
208	regulator-name = "usb0-vbus";
209	status = "okay";
210	};
211
212	&reg_rtc_ldo {
213	regulator-name = "vcc-rtc";
214	};
215
216	&r_uart {
217	pinctrl-names = "default";
218	pinctrl-0 = <&r_uart_pins_a>;
219	status = "okay";
220	};
221
222	&simplefb_lcd {
223	vcc-lcd-supply = <&reg_dc1sw>;
224	};
225
226	&usb_otg {
227	dr_mode = "otg";
228	status = "okay";
229	};
230
231	&usb_power_supply {
232	status = "okay";
233	};
234
235	&usbphy {
236	pinctrl-names = "default";
237	pinctrl-0 = <&usb0_id_detect_pin>;
238	usb0_id_det-gpio = <&pio 7 8 GPIO_ACTIVE_HIGH>; /* PH8 */
239	usb0_vbus_power-supply = <&usb_power_supply>;
240	usb0_vbus-supply = <&reg_drivevbus>;
241	status = "okay";
242	};