| /* |
| * 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 = <®_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 = <®_dcdc1>; |
| drivevbus-supply = <®_vcc5v0>; |
| x-powers,drive-vbus-en; |
| }; |
| }; |
| |
| #include "axp22x.dtsi" |
| |
| ®_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"; |
| }; |
| |
| &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"; |
| }; |