/* * 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"; 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@40 { reg = <0x40>; 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 = <®_dcdc1>; bus-width = <4>; cd-gpios = <&pio 1 4 GPIO_ACTIVE_LOW>; /* PB4 */ status = "okay"; }; &pio { mmc0_cd_pin: mmc0_cd_pin@0 { pins = "PB4"; function = "gpio_in"; bias-pull-up; }; ts_power_pin: ts_power_pin@0 { pins = "PH1"; function = "gpio_out"; }; usb0_id_detect_pin: usb0_id_detect_pin@0 { pins = "PH8"; function = "gpio_in"; bias-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 = <®_dcdc1>; drivevbus-supply = <®_vcc5v0>; x-powers,drive-vbus-en; }; }; #include "axp223.dtsi" &ac_power_supply { status = "okay"; }; &battery_power_supply { status = "okay"; }; ®_aldo1 { regulator-always-on; regulator-min-microvolt = <3000000>; regulator-max-microvolt = <3000000>; regulator-name = "vcc-io"; }; ®_aldo2 { regulator-always-on; regulator-min-microvolt = <2350000>; regulator-max-microvolt = <2650000>; regulator-name = "vdd-dll"; }; ®_aldo3 { regulator-always-on; regulator-min-microvolt = <2700000>; regulator-max-microvolt = <3300000>; regulator-name = "vcc-pll-avcc"; }; ®_dc1sw { regulator-name = "vcc-lcd"; }; ®_dc5ldo { regulator-always-on; regulator-min-microvolt = <900000>; regulator-max-microvolt = <1400000>; regulator-name = "vdd-cpus"; }; ®_dcdc1 { regulator-always-on; regulator-min-microvolt = <3000000>; regulator-max-microvolt = <3000000>; regulator-name = "vcc-3v0"; }; ®_dcdc2 { regulator-always-on; regulator-min-microvolt = <900000>; regulator-max-microvolt = <1400000>; regulator-name = "vdd-sys"; }; ®_dcdc3 { regulator-always-on; regulator-min-microvolt = <900000>; regulator-max-microvolt = <1400000>; regulator-name = "vdd-cpu"; }; ®_dcdc5 { regulator-always-on; regulator-min-microvolt = <1500000>; regulator-max-microvolt = <1500000>; regulator-name = "vcc-dram"; }; ®_dldo1 { regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-name = "vcc-wifi"; }; ®_drivevbus { regulator-name = "usb0-vbus"; status = "okay"; }; ®_ldo_io1 { regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-name = "vcc-touchscreen"; status = "okay"; }; ®_rtc_ldo { regulator-name = "vcc-rtc"; }; &cpu0 { cpu-supply = <®_dcdc2>; }; &r_uart { pinctrl-names = "default"; pinctrl-0 = <&r_uart_pins_a>; status = "okay"; }; &simplefb_lcd { vcc-lcd-supply = <®_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 = <®_drivevbus>; status = "okay"; };