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 | 242 +++++++++++++++++++ 2 files changed, 244 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..936171d30 --- /dev/null +++ b/arch/arm/boot/dts/sun4i-a10-topwise-a721.dts @@ -0,0 +1,242 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2020 Pascal Roeleven dev@pascalroeleven.nl + */ + +/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"; + 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>; +}; + +&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 { + 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"; +};