sun8i-h3-senic-hub.dts

/*
 * Copyright (C) 2017 Aravinth Panch <aravinth@senic.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-h3.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 = "Senic Hub";
	compatible = "friendlyarm,nanopi-neo", "allwinner,sun8i-h3";

	aliases {
		serial0 = &uart0;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&led_nanopi_blue>, <&led_nanopi_green>, <&led_senic_blue>;

		/* Blue LED on Nanopi NEO */
		nanopi_blue {
			label = "nanopi_blue";
			gpios = <&pio 0 10 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
		};

		/* Green LED on Nanopi NEO */
		nanopi_green {
			label = "nanopi_green";
			gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>;
			default-state = "on";
		};

		/* Blue LED on Nanopi NEO */
		senic_blue {
			label = "senic_blue";
			gpios = <&pio 6 6 GPIO_ACTIVE_LOW>;
			linux,default-trigger = "heartbeat";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";
		input-name = "k1";
		pinctrl-names = "default";
		pinctrl-0 = <&button_senic_reset>;

		/* Reset Button Senic Hub Baseboard */
		k1@0 {
			label = "k1";
			linux,code = <KEY_RESTART>;
			gpios = <&pio 6 7 GPIO_ACTIVE_HIGH>;
		};
	};
};

/* USB Buses */
&ehci1 {
	status = "okay";
};

&ehci2 {
	status = "okay";
};

&ehci3 {
	status = "okay";
};

&ohci1 {
	status = "okay";
};

&ohci2 {
	status = "okay";
};

&ohci3 {
	status = "okay";
};

/* SD Card Controller */
&mmc0 {
	bus-width = <4>;
	cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */
	cd-inverted;
	pinctrl-names = "default";
	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin>;
	status = "okay";
	vmmc-supply = <&reg_vcc3v3>;
};

&pio {

	/* Blue LED on Nanopi NEO */
	led_nanopi_blue: led_pins@0 {
		allwinner,pins = "PA10";
		allwinner,function = "gpio_out";
		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
	};

	/* Blue LED on Senic Hub Baseboard */
	led_senic_blue: led_pins@0 {
		allwinner,pins = "PG6";
		allwinner,function = "gpio_out";
		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
	};

	/* Reset Button Senic Hub Baseboard */
	button_senic_reset: key_pins@0 {
		allwinner,pins = "PG7";
		allwinner,function = "gpio_in";
		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
	};
};

/* R_PIO Separate pinmux/GPIO controller for the PL and PM pins.*/
&r_pio {

	/* Green LED on Nanopi NEO */
	led_nanopi_green: led_pins@0 {
		allwinner,pins = "PL10";
		allwinner,function = "gpio_out";
		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
	};
};

/* Debugging Serial Port */
&uart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart0_pins_a>;
	status = "okay";
};


&pio {
    uart2_pins_rts_cts: uart2_rts_cts {
        pins = "PA2", "PA3";  
        function = "uart2";
    };
};

&uart2 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart2_pins &uart2_pins_rts_cts>;
	status = "okay";
};

&usbphy {
	/* USB VBUS is always on */
	status = "okay";
};