/*
 * Copyright (c) 2016 ARM Ltd.
 * Copyright (c) 2016-2017, Theobroma Systems Design und Consulting GmbH
 *
 * 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 library 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 library 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 "sun50i-a64.dtsi"
#include <dt-bindings/gpio/gpio.h>

/ {
	model = "Theobroma Systems A64-uQ7 (Lynx)";
	compatible = "tsd,lynx", "allwinner,sun50i-a64";

	aliases {
		serial0 = &uart0;
		ethernet0 = &emac;
		spi0 = &spi0;
		spi1 = &spi1;
		i2c0 = &i2c0;
		i2c1 = &i2c1;
		i2c2 = &i2c2;
		i2c5 = &r_i2c;
	};

	soc {
		reg_vcc3v3: vcc3v3 {
			compatible = "regulator-fixed";
			regulator-name = "vcc3v3";
			regulator-min-microvolt = <3300000>;
			regulator-max-microvolt = <3300000>;
		};
	};

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

	/* There is a model with 2GB of DRAM, but U-Boot fixes this for us. */
	memory: memory@40000000 {
		reg = <0x40000000 0x40000000>;
	};

	config {
		u-boot,boot-led = "lynx:orange:power";
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&led_pins_power>, <&led_pins_sdio>;

		sdio {
			label = "lynx:blue:sdio";
			gpios = <&pio 7 10 GPIO_ACTIVE_HIGH>;
		};

		power {
			label = "lynx:orange:power";
			// This is bank zero in the CPUS pin controller
			gpios = <&r_pio 0 11 GPIO_ACTIVE_HIGH>;
		};
	};
};

&pio {
	led_pins_sdio: led-pins-sdio {
		allwinner,pins = "PH10";
		allwinner,function = "gpio_out";
		allwinner,drive = <SUN4I_PINCTRL_20_MA>;
		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
	};

	ethphy_reset_pin: ethphy-reset-pin {
		allwinner,pins = "PD24";
		allwinner,function = "gpio_out";
		drive-strength = < 20 >;
		bias-disable;
	};

	spi1_cs_pins: spi1-cs-pins {
		allwinner,pins = "PD4";
		allwinner,function = "gpio_out";
		drive-strength = < 20 >;
		bias-disable;
	};

	i2c2_lynx_pins: i2c2-lynx-pins {
		allwinner,pins = "PE14", "PE15";
		allwinner,function = "i2c2";
		drive-strength = < 10 >;
		bias-pull-up;
	};
};

&r_pio {
	led_pins_power: led-pins-power {
		allwinner,pins = "PL11";
		allwinner,function = "gpio_out";
		allwinner,drive = <SUN4I_PINCTRL_20_MA>;
		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
	};
};

&mmc0 {
	pinctrl-names = "default";
	pinctrl-0 = <&mmc0_pins>, <&mmc0_default_cd_pin>;
	vmmc-supply = <&reg_vcc3v3>;
	cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>;
	cd-inverted;
	status = "okay";
};

&mmc2 {
	pinctrl-names = "default";
	pinctrl-0 = <&mmc2_8bit_pins>;
	vmmc-supply = <&reg_vcc3v3>;
	power-gpios = <&pio 2 16 GPIO_ACTIVE_HIGH>;
	bus-width = <8>;
	non-removable;
	status = "okay";
};

&emac {
	pinctrl-names = "default";
	pinctrl-0 = <&rgmii_pins>, <&ethphy_reset_pin>;
	phy-mode = "rgmii";
	phy = <&phy1>;
	status = "okay";

	snps,reset-gpio = <&pio 3 24 GPIO_ACTIVE_LOW>;
	snps,reset-active-low;
	snps,reset-delays-us = <0 10000 30000>;

	rxc-skew-ps = <1800>;
	txc-skew-ps = <1800>;

	phy1: ethernet-phy@1 {
		reg = <6>;
	};
};

/*
&usb_otg {
	dr_mode = "gadget";
	status = "okay";
};
*/

&uart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart0_pins_a>;
	status = "okay";
};

&i2c0 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c0_pins>;
	status = "okay";
};

&i2c1 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c1_pins>;
	status = "okay";
};

&i2c2 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c2_lynx_pins>;
	status = "okay";
};

&r_i2c {
        pinctrl-names = "default";
	pinctrl-0 = <&r_i2c_pins>;
	status = "okay";
};

&usbphy {
	status = "okay";
};

&ohci1 {
	/* EHCI1 connects to on-module USB 2.0 hubs (which takes care
	 * of transaction translation for us), so we don't need OHCI1.
	 */

       status = "disabled";
};

&ehci1 {
	enable-gpios = <&pio 6 9 GPIO_ACTIVE_HIGH>, <&pio 4 4 GPIO_ACTIVE_HIGH>;
	status = "okay";
};

&spi0 {
	pinctrl-names = "default";
	pinctrl-0 = <&spi0_pins>;

	spi-deactivate-delay = <10>;

	status = "okay";
	#address-cells = <1>;
	#size-cells = <0>;

	w25q80bl: w25q80bl@0 {
		compatible = "spi-flash";
		reg = <0>;
		spi-max-frequency = <100000000>;
		spi-rx-bus-width = <2>;
		spi-cpol;
		spi-cpha;
	};
};

&spi1 {
	pinctrl-names = "default";
	pinctrl-0 = <&spi1_pins>, <&spi1_cs_pins>;
	num-cs = <2>;
	cs-gpios = <0>, <&pio 3 4 GPIO_ACTIVE_LOW>;
	status = "okay";
	#address-cells = <1>;
	#size-cells = <0>;
};