Commit 3dc2fdad authored by Hans de Goede's avatar Hans de Goede Committed by Maxime Ripard
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ARM: dts: sun8i: Add dts file for the Polaroid MID2809PXE4 tablet 



The Polaroid MID2809PXE4 is a 9" tablet which is clearly marked
Polaroid MID2809PXE4 on the back. It features a 9" 16:9 800x480 LCD,
A23 Soc, 1GB RAM, 8GB NAND, gsl3670 touchscreen and esp8089 wifi.

Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
parent cbed866e

arch/arm/boot/dts/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -709,6 +709,7 @@ dtb-$(CONFIG_MACH_SUN8I) += \ 
	sun8i-a23-gt90h-v4.dtb \

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

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

	sun8i-a23-polaroid-mid2809pxe04.dtb \

	sun8i-a23-q8-tablet.dtb \

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

	sun8i-a33-ga10h-v1.1.dtb \

arch/arm/boot/dts/sun8i-a23-polaroid-mid2809pxe04.dts

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+243 −0
Original line number Diff line number Diff line 
/*

 * Copyright 2016 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>

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



/ {

	model = "Polaroid MID2809PXE04 tablet";

	compatible = "polaroid,mid2809pxe04", "allwinner,sun8i-a23";



	aliases {

		serial0 = &r_uart;

	};



	backlight: backlight {

		compatible = "pwm-backlight";

		pinctrl-names = "default";

		pinctrl-0 = <&bl_en_pin_mid2809>;

		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";

	};

};



&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>;

	};

};



&mmc0 {

	pinctrl-names = "default";

	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_mid2809>;

	vmmc-supply = <&reg_dcdc1>;

	bus-width = <4>;

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

	cd-inverted;

	status = "okay";

};



&pio {

	bl_en_pin_mid2809: 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_mid2809: mmc0_cd_pin@0 {

		allwinner,pins = "PB4";

		allwinner,function = "gpio_in";

		allwinner,drive = <SUN4I_PINCTRL_10_MA>;

		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;

	};

};



&pwm {

	pinctrl-names = "default";

	pinctrl-0 = <&pwm0_pins>;

	status = "okay";

};



&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 = <&reg_dcdc1>;

	};

};



&r_uart {

	pinctrl-names = "default";

	pinctrl-0 = <&r_uart_pins_a>;

	status = "okay";

};



#include "axp22x.dtsi"



&reg_aldo1 {

	regulator-always-on;

	regulator-min-microvolt = <3000000>;

	regulator-max-microvolt = <3000000>;

	regulator-name = "vcc-io";

};



&reg_aldo2 {

	regulator-always-on;

	regulator-min-microvolt = <2350000>;

	regulator-max-microvolt = <2650000>;

	regulator-name = "vdd-dll";

};



&reg_aldo3 {

	regulator-always-on;

	regulator-min-microvolt = <2700000>;

	regulator-max-microvolt = <3300000>;

	regulator-name = "vcc-pll-avcc";

};



&reg_dc1sw {

	regulator-name = "vcc-lcd";

};



&reg_dc5ldo {

	regulator-always-on;

	regulator-min-microvolt = <900000>;

	regulator-max-microvolt = <1400000>;

	regulator-name = "vdd-cpus";

};



&reg_dcdc1 {

	regulator-always-on;

	regulator-min-microvolt = <3000000>;

	regulator-max-microvolt = <3000000>;

	regulator-name = "vcc-3v0";

};



&reg_dcdc2 {

	regulator-always-on;

	regulator-min-microvolt = <900000>;

	regulator-max-microvolt = <1400000>;

	regulator-name = "vdd-sys";

};



&reg_dcdc3 {

	regulator-always-on;

	regulator-min-microvolt = <900000>;

	regulator-max-microvolt = <1400000>;

	regulator-name = "vdd-cpu";

};



&reg_dcdc5 {

	regulator-always-on;

	regulator-min-microvolt = <1500000>;

	regulator-max-microvolt = <1500000>;

	regulator-name = "vcc-dram";

};



&reg_rtc_ldo {

	regulator-name = "vcc-rtc";

};



&simplefb_lcd {

	vcc-lcd-supply = <&reg_dc1sw>;

};



/*

 * 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";

};

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