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Commit 2f40620a authored by Hans de Goede's avatar Hans de Goede Committed by Maxime Ripard
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ARM: dts: sun8i: Add support for qt90h-v4 tablets 



The gt90h is a pcb found in generic 9" tablets with an A23 soc, 1G RAM
and 8G nand, rtl8723as usb wifi, 1 micro usb port and 1 micro sd slot.

This commit adds a dts for v4 of the gt90h pcb.

Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
parent 770df8c8

arch/arm/boot/dts/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -622,6 +622,7 @@ dtb-$(CONFIG_MACH_SUN7I) += \ 
	sun7i-a20-wexler-tab7200.dtb

dtb-$(CONFIG_MACH_SUN8I) += \

	sun8i-a23-evb.dtb \

	sun8i-a23-gt90h-v4.dtb \

	sun8i-a23-ippo-q8h-v5.dtb \

	sun8i-a23-ippo-q8h-v1.2.dtb \

	sun8i-a33-et-q8-v1.6.dtb \

arch/arm/boot/dts/sun8i-a23-gt90h-v4.dts

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+145 −0
Original line number Diff line number Diff line 
/*

 * 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.

 */



/dts-v1/;

#include "sun8i-a23.dtsi"

#include "sunxi-common-regulators.dtsi"



#include <dt-bindings/gpio/gpio.h>

#include <dt-bindings/input/input.h>

#include <dt-bindings/pinctrl/sun4i-a10.h>



/ {

	model = "Allwinner GT90H Quad Core Tablet (v4)";

	compatible = "allwinner,gt90h-v4", "allwinner,sun8i-a33";



	aliases {

		serial0 = &r_uart;

	};



	chosen {

		stdout-path = "serial0:115200n8";

	};

};



&ehci0 {

	status = "okay";

};



&i2c0 {

	pinctrl-names = "default";

	pinctrl-0 = <&i2c0_pins_a>;

	status = "okay";

};



&i2c1 {

	pinctrl-names = "default";

	pinctrl-0 = <&i2c1_pins_a>;

	status = "okay";

};



&lradc {

	vref-supply = <&reg_vcc3v0>;

	status = "okay";



	button@200 {

		label = "Volume Up";

		linux,code = <KEY_VOLUMEUP>;

		channel = <0>;

		voltage = <200000>;

	};



	button@400 {

		label = "Volume Down";

		linux,code = <KEY_VOLUMEDOWN>;

		channel = <0>;

		voltage = <400000>;

	};



	button@600 {

		label = "Back";

		linux,code = <KEY_BACK>;

		channel = <0>;

		voltage = <600000>;

	};

};



&mmc0 {

	pinctrl-names = "default";

	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_gt90h>;

	/* FIXME this really is aldo1, correct once we've pmic support */

	vmmc-supply = <&reg_vcc3v0>;

	bus-width = <4>;

	cd-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */

	cd-inverted;

	status = "okay";

};



&pio {

	mmc0_cd_pin_gt90h: mmc0_cd_pin@0 {

		allwinner,pins = "PB4";

		allwinner,function = "gpio_in";

		allwinner,drive = <SUN4I_PINCTRL_10_MA>;

		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;

	};

};



&r_uart {

	pinctrl-names = "default";

	pinctrl-0 = <&r_uart_pins_a>;

	status = "okay";

};



/*

 * FIXME for now we only support host mode and rely on u-boot to have

 * turned on Vbus which is controlled by the axp223 pmic on the board.

 *

 * Once we have axp223 support we should switch to fully supporting otg.

 */

&usb_otg {

	dr_mode = "host";

	status = "okay";

};



&usbphy {

	status = "okay";

};