Unverified Commit cd3e42c9 authored by Ondrej Jirman's avatar Ondrej Jirman Committed by Maxime Ripard
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ARM: dts: sun5i: Add PocketBook Touch Lux 3 support 



What works:

- Serial console
- mmc0, mmc2 (both microSD card slots on the board)
- All buttons (gpio and lradc based)
- Power LED
- PMIC
- RTC
- USB OTG/gadgets mode
- Realtek USB WiFi
- Display backlight
- eInk display SPI NOR flash memory

Signed-off-by: default avatarOndrej Jirman <megous@megous.com>
Signed-off-by: default avatarMaxime Ripard <maxime@cerno.tech>
parent 7efbada4

arch/arm/boot/dts/Makefile

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@@ -1056,6 +1056,7 @@ dtb-$(CONFIG_MACH_SUN5I) += \ 
	sun5i-a13-licheepi-one.dtb \

	sun5i-a13-olinuxino.dtb \

	sun5i-a13-olinuxino-micro.dtb \

	sun5i-a13-pocketbook-touch-lux-3.dtb \

	sun5i-a13-q8-tablet.dtb \

	sun5i-a13-utoo-p66.dtb \

	sun5i-gr8-chip-pro.dtb \

arch/arm/boot/dts/sun5i-a13-pocketbook-touch-lux-3.dts

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+257 −0
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// SPDX-License-Identifier: GPL-2.0 OR MIT

/*

 * Copyright 2019 Ondrej Jirman <megous@megous.com>

 */



/dts-v1/;

#include "sun5i-a13.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 = "PocketBook Touch Lux 3";

	compatible = "pocketbook,touch-lux-3", "allwinner,sun5i-a13";



	aliases {

		serial0 = &uart1;

		i2c0 = &i2c0;

		i2c1 = &i2c1;

		i2c2 = &i2c2;

	};



	backlight {

		compatible = "pwm-backlight";

		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;

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

		brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;

		default-brightness-level = <8>;

	};



	chosen {

		stdout-path = "serial0:115200n8";

	};



	leds {

		compatible = "gpio-leds";



		power {

			gpios = <&pio 4 8 GPIO_ACTIVE_LOW>; /* PE8 */

			default-state = "on";

		};

	};



	gpio-keys {

		compatible = "gpio-keys";

		autorepeat;

		label = "GPIO Keys";



		key-right {

			label = "Right";

			linux,code = <KEY_RIGHT>;

			gpios = <&pio 6 9 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PG9 */

		};



		key-left {

			label = "Left";

			linux,code = <KEY_LEFT>;

			gpios = <&pio 6 10 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PG10 */

		};

	};



	reg_1v8: regulator-1v8 {

		compatible = "regulator-fixed";

		regulator-name = "vdd-1v8-nor-ctp";

		regulator-min-microvolt = <1800000>;

		regulator-max-microvolt = <1800000>;

		gpio = <&pio 2 15 GPIO_ACTIVE_HIGH>;

		enable-active-high;

	};



	reg_1v8_nor: regulator-nor {

		compatible = "regulator-fixed";

		regulator-name = "vdd-nor";

		regulator-min-microvolt = <1800000>;

		regulator-max-microvolt = <1800000>;

		gpio = <&pio 2 14 GPIO_ACTIVE_HIGH>;

		enable-active-high;

		vin-supply = <&reg_1v8>;

		regulator-always-on;

	};



	reg_1v8_ctp: regulator-ctp {

		compatible = "regulator-fixed";

		regulator-name = "vdd-ctp";

		regulator-min-microvolt = <1800000>;

		regulator-max-microvolt = <1800000>;

		gpio = <&pio 2 13 GPIO_ACTIVE_HIGH>;

		enable-active-high;

		vin-supply = <&reg_1v8>;

	};



	reg_3v3_mmc0: regulator-mmc0 {

		compatible = "regulator-fixed";

		regulator-name = "vdd-mmc0";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		gpio = <&pio 4 4 GPIO_ACTIVE_LOW>; /* PE4 */

		vin-supply = <&reg_vcc3v3>;

	};

};



&cpu0 {

	cpu-supply = <&reg_dcdc2>;

};



&ehci0 {

	status = "okay";

};



&i2c0 {

	status = "okay";



	axp209: pmic@34 {

		reg = <0x34>;

		interrupts = <0>;

	};

};



#include "axp209.dtsi"



&i2c1 {

	status = "okay";



	pcf8563: rtc@51 {

		compatible = "nxp,pcf8563";

		reg = <0x51>;

	};

};



&i2c2 {

	status = "okay";



	/* Touchpanel is connected here. */

};



&lradc {

	vref-supply = <&reg_ldo2>;

	status = "okay";



	button-200 {

		label = "Home";

		linux,code = <KEY_HOME>;

		channel = <0>;

		voltage = <200000>;

	};



	button-400 {

		label = "Menu";

		linux,code = <KEY_MENU>;

		channel = <0>;

		voltage = <400000>;

	};

};



&mmc0 {

	vmmc-supply = <&reg_3v3_mmc0>;

	bus-width = <4>;

	cd-gpios = <&pio 6 0 GPIO_ACTIVE_LOW>; /* PG0 */

	status = "okay";

};



&mmc2 {

	pinctrl-names = "default";

	pinctrl-0 = <&mmc2_4bit_pc_pins>;

	vmmc-supply = <&reg_vcc3v3>;

	bus-width = <4>;

	non-removable;

	status = "okay";

};



&ohci0 {

	status = "okay";

};



&otg_sram {

	status = "okay";

};



&pwm {

	pinctrl-names = "default";

	pinctrl-0 = <&pwm0_pin>;

	status = "okay";

};



&reg_dcdc2 {

	regulator-always-on;

	regulator-min-microvolt = <1000000>;

	regulator-max-microvolt = <1400000>;

	regulator-name = "vdd-cpu";

};



&reg_dcdc3 {

	regulator-always-on;

	regulator-min-microvolt = <1200000>;

	regulator-max-microvolt = <1200000>;

	regulator-name = "vdd-int-pll";

};



&reg_ldo1 {

	regulator-name = "vdd-rtc";

};



&reg_ldo2 {

	regulator-always-on;

	regulator-min-microvolt = <3000000>;

	regulator-max-microvolt = <3000000>;

	regulator-name = "avcc";

};



&reg_ldo3 {

	regulator-min-microvolt = <3300000>;

	regulator-max-microvolt = <3300000>;

	regulator-name = "vcc-wifi";

	/* We need this otherwise the LDO3 would overload */

	regulator-soft-start;

	regulator-ramp-delay = <1600>;

};



&spi2 {

	pinctrl-names = "default";

	pinctrl-0 = <&spi2_pe_pins>, <&spi2_cs0_pe_pin>;

	status = "okay";



	epd_flash: flash@0 {

		#address-cells = <1>;

		#size-cells = <1>;

		compatible = "macronix,mx25u4033", "jedec,spi-nor";

		reg = <0>;

		spi-max-frequency = <4000000>;

	};

};



&uart1 {

	pinctrl-names = "default";

	pinctrl-0 = <&uart1_pg_pins>;

	status = "okay";

};



&usb_otg {

	dr_mode = "peripheral";

	status = "okay";

};



&battery_power_supply {

	status = "okay";

};



&usb_power_supply {

	status = "okay";

};



&usbphy {

	usb1_vbus-supply = <&reg_ldo3>;

	status = "okay";

};

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