linux/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts

/*
 * Copyright 2013 Maxime Ripard
 *
 * Maxime Ripard <maxime.ripard@free-electrons.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.
 *
 *     You should have received a copy of the GNU General Public
 *     License along with this file; if not, write to the Free
 *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
 *     MA 02110-1301 USA
 *
 * 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 "sun7i-a20.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/pinctrl/sun4i-a10.h>

/ {
	model = "Olimex A20-Olinuxino Micro";
	compatible = "olimex,a20-olinuxino-micro", "allwinner,sun7i-a20";

	aliases {
		serial0 = &uart0;
		serial1 = &uart6;
		serial2 = &uart7;
		spi0 = &spi1;
		spi1 = &spi2;
	};

	soc@01c00000 {
		spi1: spi@01c06000 {
			pinctrl-names = "default";
			pinctrl-0 = <&spi1_pins_a>;
			status = "okay";
		};

		mmc0: mmc@01c0f000 {
			pinctrl-names = "default";
			pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
			vmmc-supply = <&reg_vcc3v3>;
			bus-width = <4>;
			cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
			cd-inverted;
			status = "okay";
		};

		mmc3: mmc@01c12000 {
			pinctrl-names = "default";
			pinctrl-0 = <&mmc3_pins_a>, <&mmc3_cd_pin_olinuxinom>;
			vmmc-supply = <&reg_vcc3v3>;
			bus-width = <4>;
			cd-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* PH11 */
			cd-inverted;
			status = "okay";
		};

		usbphy: phy@01c13400 {
			usb1_vbus-supply = <&reg_usb1_vbus>;
			usb2_vbus-supply = <&reg_usb2_vbus>;
			status = "okay";
		};

		ehci0: usb@01c14000 {
			status = "okay";
		};

		ohci0: usb@01c14400 {
			status = "okay";
		};

		spi2: spi@01c17000 {
			pinctrl-names = "default";
			pinctrl-0 = <&spi2_pins_a>;
			status = "okay";
		};

		ahci: sata@01c18000 {
			target-supply = <&reg_ahci_5v>;
			status = "okay";
		};

		ehci1: usb@01c1c000 {
			status = "okay";
		};

		ohci1: usb@01c1c400 {
			status = "okay";
		};

		pinctrl@01c20800 {
			mmc3_cd_pin_olinuxinom: mmc3_cd_pin@0 {
				allwinner,pins = "PH11";
				allwinner,function = "gpio_in";
				allwinner,drive = <SUN4I_PINCTRL_10_MA>;
				allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
			};

			led_pins_olinuxino: led_pins@0 {
				allwinner,pins = "PH2";
				allwinner,function = "gpio_out";
				allwinner,drive = <SUN4I_PINCTRL_20_MA>;
				allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
			};
		};

		lradc: lradc@01c22800 {
			vref-supply = <&reg_vcc3v0>;
			status = "okay";

			button@191 {
				label = "Volume Up";
				linux,code = <KEY_VOLUMEUP>;
				channel = <0>;
				voltage = <191274>;
			};

			button@392 {
				label = "Volume Down";
				linux,code = <KEY_VOLUMEDOWN>;
				channel = <0>;
				voltage = <392644>;
			};

			button@601 {
				label = "Menu";
				linux,code = <KEY_MENU>;
				channel = <0>;
				voltage = <601151>;
			};

			button@795 {
				label = "Search";
				linux,code = <KEY_SEARCH>;
				channel = <0>;
				voltage = <795090>;
			};

			button@987 {
				label = "Home";
				linux,code = <KEY_HOMEPAGE>;
				channel = <0>;
				voltage = <987387>;
			};

			button@1184 {
				label = "Esc";
				linux,code = <KEY_ESC>;
				channel = <0>;
				voltage = <1184678>;
			};

			button@1398 {
				label = "Enter";
				linux,code = <KEY_ENTER>;
				channel = <0>;
				voltage = <1398804>;
			};
		};

		uart0: serial@01c28000 {
			pinctrl-names = "default";
			pinctrl-0 = <&uart0_pins_a>;
			status = "okay";
		};

		uart6: serial@01c29800 {
			pinctrl-names = "default";
			pinctrl-0 = <&uart6_pins_a>;
			status = "okay";
		};

		uart7: serial@01c29c00 {
			pinctrl-names = "default";
			pinctrl-0 = <&uart7_pins_a>;
			status = "okay";
		};

		i2c0: i2c@01c2ac00 {
			pinctrl-names = "default";
			pinctrl-0 = <&i2c0_pins_a>;
			status = "okay";

			axp209: pmic@34 {
				compatible = "x-powers,axp209";
				reg = <0x34>;
				interrupt-parent = <&nmi_intc>;
				interrupts = <0 IRQ_TYPE_LEVEL_LOW>;

				interrupt-controller;
				#interrupt-cells = <1>;
			};
		};

		i2c1: i2c@01c2b000 {
			pinctrl-names = "default";
			pinctrl-0 = <&i2c1_pins_a>;
			status = "okay";
		};

		i2c2: i2c@01c2b400 {
			pinctrl-names = "default";
			pinctrl-0 = <&i2c2_pins_a>;
			status = "okay";
		};

		gmac: ethernet@01c50000 {
			pinctrl-names = "default";
			pinctrl-0 = <&gmac_pins_mii_a>;
			phy = <&phy1>;
			phy-mode = "mii";
			status = "okay";

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

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&led_pins_olinuxino>;

		green {
			label = "a20-olinuxino-micro:green:usr";
			gpios = <&pio 7 2 GPIO_ACTIVE_HIGH>;
			default-state = "on";
		};
	};

	reg_ahci_5v: ahci-5v {
		status = "okay";
	};

	reg_usb1_vbus: usb1-vbus {
		status = "okay";
	};

	reg_usb2_vbus: usb2-vbus {
		status = "okay";
	};
};