The Topwise A721/LY-F1 tablet is a tablet sold around 2012 under different brands. The mainboard mentions A721 clearly, so this tablet is best known under this name.
Signed-off-by: Pascal Roeleven dev@pascalroeleven.nl --- arch/arm/boot/dts/Makefile | 3 +- arch/arm/boot/dts/sun4i-a10-topwise-a721.dts | 302 +++++++++++++++++++ 2 files changed, 304 insertions(+), 1 deletion(-) create mode 100644 arch/arm/boot/dts/sun4i-a10-topwise-a721.dts
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 78f144e33..6e6141e00 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -1040,7 +1040,8 @@ dtb-$(CONFIG_MACH_SUN4I) += \ sun4i-a10-olinuxino-lime.dtb \ sun4i-a10-pcduino.dtb \ sun4i-a10-pcduino2.dtb \ - sun4i-a10-pov-protab2-ips9.dtb + sun4i-a10-pov-protab2-ips9.dtb \ + sun4i-a10-topwise-a721.dtb dtb-$(CONFIG_MACH_SUN5I) += \ sun5i-a10s-auxtek-t003.dtb \ sun5i-a10s-auxtek-t004.dtb \ diff --git a/arch/arm/boot/dts/sun4i-a10-topwise-a721.dts b/arch/arm/boot/dts/sun4i-a10-topwise-a721.dts new file mode 100644 index 000000000..ff43c9c12 --- /dev/null +++ b/arch/arm/boot/dts/sun4i-a10-topwise-a721.dts @@ -0,0 +1,302 @@ +/* + * Copyright 2020 Pascal Roeleven dev@pascalroeleven.nl + * + * 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. + */ + +/dts-v1/; +#include "sun4i-a10.dtsi" +#include "sunxi-common-regulators.dtsi" + +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/input/input.h> +#include <dt-bindings/interrupt-controller/irq.h> +#include <dt-bindings/pwm/pwm.h> + +/ { + model = "Topwise A721"; + compatible = "topwise,a721", "allwinner,sun4i-a10"; + + aliases { + serial0 = &uart0; + }; + + backlight: backlight { + compatible = "pwm-backlight"; + pwms = <&pwm 0 100000 PWM_POLARITY_INVERTED>; + power-supply = <®_vbat>; + enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */ + brightness-levels = <0 30 40 50 60 70 80 90 100>; + default-brightness-level = <8>; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + panel: panel { + compatible = "starry,kr070pe2t"; + backlight = <&backlight>; + power-supply = <®_lcd_power>; + + port { + panel_input: endpoint { + remote-endpoint = <&tcon0_out_panel>; + }; + }; + }; + + reg_lcd_power: reg-lcd-power { + compatible = "regulator-fixed"; + pinctrl-names = "default"; + pinctrl-0 = <&lcd_power_pin>; + regulator-name = "reg-lcd-power"; + gpio = <&pio 7 8 GPIO_ACTIVE_HIGH>; /* PH8 */ + enable-active-high; + }; + + reg_vbat: reg-vbat { + compatible = "regulator-fixed"; + regulator-name = "vbat"; + regulator-min-microvolt = <3700000>; + regulator-max-microvolt = <3700000>; + }; + +}; + +&codec { + status = "okay"; +}; + +&cpu0 { + cpu-supply = <®_dcdc2>; +}; + +&de { + status = "okay"; +}; + +&ehci0 { + status = "okay"; +}; + +&ehci1 { + status = "okay"; +}; + +&i2c0 { + status = "okay"; + + axp209: pmic@34 { + reg = <0x34>; + interrupts = <0>; + }; +}; + +#include "axp209.dtsi" + +&ac_power_supply { + status = "okay"; +}; + +&battery_power_supply { + status = "okay"; +}; + +&i2c1 { + status = "okay"; + + mma7660: accelerometer@4c { + compatible = "fsl,mma7660"; + reg = <0x4c>; + }; +}; + +&i2c2 { + status = "okay"; + + ft5406ee8: touchscreen@38 { + compatible = "edt,edt-ft5406"; + reg = <0x38>; + interrupt-parent = <&pio>; + interrupts = <7 21 IRQ_TYPE_EDGE_FALLING>; + touchscreen-size-x = <800>; + touchscreen-size-y = <480>; + vcc-supply = <®_vcc3v3>; + }; +}; + +&lradc { + vref-supply = <®_ldo2>; + status = "okay"; + + button-vol-down { + label = "Volume Down"; + linux,code = <KEY_VOLUMEDOWN>; + channel = <0>; + voltage = <761904>; + }; + + button-vol-up { + label = "Volume Up"; + linux,code = <KEY_VOLUMEUP>; + channel = <0>; + voltage = <571428>; + }; +}; + +&mmc0 { + vmmc-supply = <®_vcc3v3>; + bus-width = <4>; + cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH01 */ + status = "okay"; +}; + +&ohci0 { + status = "okay"; +}; + +&ohci1 { + status = "okay"; +}; + +&otg_sram { + status = "okay"; +}; + +&pio { + vcc-pb-supply = <®_vcc3v3>; + vcc-pf-supply = <®_vcc3v3>; + vcc-ph-supply = <®_vcc3v3>; + + lcd_power_pin: lcd-power-pin { + pins = "PH8"; + function = "gpio_out"; + bias-pull-up; + }; + + usb0_id_detect_pin: usb0-id-detect-pin { + pins = "PH4"; + function = "gpio_in"; + bias-pull-up; + }; + + usb0_vbus_detect_pin: usb0-vbus-detect-pin { + pins = "PH5"; + function = "gpio_in"; + bias-pull-down; + }; +}; + +&pwm { + pinctrl-names = "default"; + pinctrl-0 = <&pwm0_pin>; + status = "okay"; +}; + +®_dcdc2 { + regulator-always-on; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1400000>; + regulator-name = "vdd-cpu"; +}; + +®_dcdc3 { + regulator-always-on; + regulator-min-microvolt = <1250000>; + regulator-max-microvolt = <1250000>; + regulator-name = "vdd-int-dll"; +}; + + +®_ldo1 { + regulator-name = "vdd-rtc"; +}; + +®_ldo2 { + regulator-always-on; + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3000000>; + regulator-name = "avcc"; +}; + +®_usb0_vbus { + status = "okay"; +}; + +®_usb1_vbus { + status = "okay"; +}; + +®_usb2_vbus { + status = "okay"; +}; + +&tcon0_out { + tcon0_out_panel: endpoint@0 { + reg = <0>; + remote-endpoint = <&panel_input>; + }; +}; + +&uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_pb_pins>; + status = "okay"; +}; + +&usb_otg { + dr_mode = "otg"; + status = "okay"; +}; + +&usb_power_supply { + status = "okay"; +}; + +&usbphy { + pinctrl-names = "default"; + pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>; + usb0_id_det-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */ + usb0_vbus_det-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */ + usb0_vbus-supply = <®_usb0_vbus>; + usb1_vbus-supply = <®_usb1_vbus>; + usb2_vbus-supply = <®_usb2_vbus>; + status = "okay"; +};