245 lines
6.1 KiB
Plaintext
245 lines
6.1 KiB
Plaintext
/*
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* Copyright 2015 Hans de Goede <hdegoede@redhat.com>
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*
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* This file is dual-licensed: you can use it either under the terms
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* of the GPL or the X11 license, at your option. Note that this dual
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* licensing only applies to this file, and not this project as a
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* whole.
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*
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* a) This file is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This file is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* Or, alternatively,
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*
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* b) Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "sunxi-reference-design-tablet.dtsi"
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#include <dt-bindings/pwm/pwm.h>
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/ {
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aliases {
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serial0 = &r_uart;
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};
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backlight: backlight {
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compatible = "pwm-backlight";
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pinctrl-names = "default";
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pinctrl-0 = <&bl_en_pin>;
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pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
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brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
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default-brightness-level = <8>;
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enable-gpios = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
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};
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chosen {
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stdout-path = "serial0:115200n8";
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};
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};
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&i2c0 {
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/*
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* The gsl1680 is rated at 400KHz and it will not work reliable at
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* 100KHz, this has been confirmed on multiple different q8 tablets.
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* The gsl1680 is the only device on this bus.
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*/
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clock-frequency = <400000>;
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gsl1680: touchscreen@40 {
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compatible = "silead,gsl1680";
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reg = <0x40>;
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interrupt-parent = <&pio>;
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interrupts = <1 5 IRQ_TYPE_EDGE_FALLING>; /* PB5 */
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pinctrl-names = "default";
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pinctrl-0 = <&ts_power_pin>;
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power-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
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/* Most tablets use this touchscreen, but not all */
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status = "disabled";
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};
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};
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&mmc0 {
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pinctrl-names = "default";
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pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin>;
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vmmc-supply = <®_dcdc1>;
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bus-width = <4>;
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cd-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
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cd-inverted;
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status = "okay";
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};
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&pio {
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bl_en_pin: bl_en_pin@0 {
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allwinner,pins = "PH6";
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allwinner,function = "gpio_in";
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allwinner,drive = <SUN4I_PINCTRL_10_MA>;
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allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
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};
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mmc0_cd_pin: mmc0_cd_pin@0 {
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allwinner,pins = "PB4";
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allwinner,function = "gpio_in";
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allwinner,drive = <SUN4I_PINCTRL_10_MA>;
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allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
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};
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ts_power_pin: ts_power_pin@0 {
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allwinner,pins = "PH1";
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allwinner,function = "gpio_out";
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allwinner,drive = <SUN4I_PINCTRL_10_MA>;
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allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
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};
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usb0_id_detect_pin: usb0_id_detect_pin@0 {
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allwinner,pins = "PH8";
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allwinner,function = "gpio_in";
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allwinner,drive = <SUN4I_PINCTRL_10_MA>;
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allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
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};
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};
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&r_rsb {
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status = "okay";
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axp22x: pmic@3a3 {
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compatible = "x-powers,axp223";
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reg = <0x3a3>;
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interrupt-parent = <&nmi_intc>;
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interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
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eldoin-supply = <®_dcdc1>;
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drivevbus-supply = <®_vcc5v0>;
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x-powers,drive-vbus-en;
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};
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};
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#include "axp22x.dtsi"
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®_aldo1 {
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regulator-always-on;
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regulator-min-microvolt = <3000000>;
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regulator-max-microvolt = <3000000>;
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regulator-name = "vcc-io";
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};
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®_aldo2 {
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regulator-always-on;
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regulator-min-microvolt = <2350000>;
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regulator-max-microvolt = <2650000>;
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regulator-name = "vdd-dll";
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};
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®_aldo3 {
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regulator-always-on;
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regulator-min-microvolt = <2700000>;
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regulator-max-microvolt = <3300000>;
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regulator-name = "vcc-pll-avcc";
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};
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®_dc1sw {
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regulator-name = "vcc-lcd";
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};
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®_dc5ldo {
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regulator-always-on;
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regulator-min-microvolt = <900000>;
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regulator-max-microvolt = <1400000>;
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regulator-name = "vdd-cpus";
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};
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®_dcdc1 {
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regulator-always-on;
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regulator-min-microvolt = <3000000>;
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regulator-max-microvolt = <3000000>;
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regulator-name = "vcc-3v0";
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};
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®_dcdc2 {
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regulator-always-on;
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regulator-min-microvolt = <900000>;
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regulator-max-microvolt = <1400000>;
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regulator-name = "vdd-sys";
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};
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®_dcdc3 {
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regulator-always-on;
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regulator-min-microvolt = <900000>;
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regulator-max-microvolt = <1400000>;
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regulator-name = "vdd-cpu";
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};
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®_dcdc5 {
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regulator-always-on;
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regulator-min-microvolt = <1500000>;
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regulator-max-microvolt = <1500000>;
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regulator-name = "vcc-dram";
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};
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®_dldo1 {
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-name = "vcc-wifi";
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};
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®_drivevbus {
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regulator-name = "usb0-vbus";
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status = "okay";
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};
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®_rtc_ldo {
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regulator-name = "vcc-rtc";
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};
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&r_uart {
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pinctrl-names = "default";
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pinctrl-0 = <&r_uart_pins_a>;
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status = "okay";
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};
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&simplefb_lcd {
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vcc-lcd-supply = <®_dc1sw>;
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};
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&usb_otg {
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dr_mode = "otg";
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status = "okay";
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};
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&usb_power_supply {
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status = "okay";
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};
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&usbphy {
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pinctrl-names = "default";
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pinctrl-0 = <&usb0_id_detect_pin>;
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usb0_id_det-gpio = <&pio 7 8 GPIO_ACTIVE_HIGH>; /* PH8 */
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usb0_vbus_power-supply = <&usb_power_supply>;
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usb0_vbus-supply = <®_drivevbus>;
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status = "okay";
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};
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