linux_kernel/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts

/*
 * Copyright (c) 2016 Andreas Färber
 * Copyright (c) 2016 BayLibre, Inc.
 * Author: Kevin Hilman <khilman@kernel.org>
 *
 * 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 "meson-gxbb.dtsi"
#include <dt-bindings/gpio/gpio.h>

/ {
	compatible = "hardkernel,odroid-c2", "amlogic,meson-gxbb";
	model = "Hardkernel ODROID-C2";
	
	aliases {
		serial0 = &uart_AO;
	};

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

	memory@0 {
		device_type = "memory";
		reg = <0x0 0x0 0x0 0x80000000>;
	};

	usb_otg_pwr: regulator-usb-pwrs {
		compatible = "regulator-fixed";

		regulator-name = "USB_OTG_PWR";

		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;

		gpio = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	leds {
		compatible = "gpio-leds";
		blue {
			label = "c2:blue:alive";
			gpios = <&gpio_ao GPIOAO_13 GPIO_ACTIVE_LOW>;
			linux,default-trigger = "heartbeat";
			default-state = "off";
		};
	};

	tflash_vdd: regulator-tflash_vdd {
		/*
		 * signal name from schematics: TFLASH_VDD_EN
		 */
		compatible = "regulator-fixed";

		regulator-name = "TFLASH_VDD";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;

		gpio = <&gpio_ao GPIOAO_12 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	tf_io: gpio-regulator-tf_io {
		compatible = "regulator-gpio";

		regulator-name = "TF_IO";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <3300000>;

		/*
		 * signal name from schematics: TF_3V3N_1V8_EN
		 */
		gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
		gpios-states = <0>;

		states = <3300000 0
			  1800000 1>;
	};

	vcc1v8: regulator-vcc1v8 {
		compatible = "regulator-fixed";
		regulator-name = "VCC1V8";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
	};

	vcc3v3: regulator-vcc3v3 {
		compatible = "regulator-fixed";
		regulator-name = "VCC3V3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};

	emmc_pwrseq: emmc-pwrseq {
		compatible = "mmc-pwrseq-emmc";
		reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
	};
};

&scpi_clocks {
	status = "disabled";
};

&uart_AO {
	status = "okay";
	pinctrl-0 = <&uart_ao_a_pins>;
	pinctrl-names = "default";
};

&ethmac {
	status = "okay";
	pinctrl-0 = <&eth_rgmii_pins>;
	pinctrl-names = "default";
};

&ir {
	status = "okay";
	pinctrl-0 = <&remote_input_ao_pins>;
	pinctrl-names = "default";
};

&i2c_A {
	status = "okay";
	pinctrl-0 = <&i2c_a_pins>;
	pinctrl-names = "default";
};

&usb0_phy {
	status = "okay";
	phy-supply = <&usb_otg_pwr>;
};

&usb1_phy {
	status = "okay";
};

&usb0 {
	status = "okay";
};

&usb1 {
	status = "okay";
};

/* SD */
&sd_emmc_b {
	status = "okay";
	pinctrl-0 = <&sdcard_pins>;
	pinctrl-names = "default";

	bus-width = <4>;
	cap-sd-highspeed;
	max-frequency = <100000000>;
	disable-wp;

	cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
	cd-inverted;

	vmmc-supply = <&tflash_vdd>;
	vqmmc-supply = <&tf_io>;
};

/* eMMC */
&sd_emmc_c {
	status = "okay";
	pinctrl-0 = <&emmc_pins>;
	pinctrl-names = "default";

	bus-width = <8>;
	cap-sd-highspeed;
	max-frequency = <200000000>;
	non-removable;
	disable-wp;
	cap-mmc-highspeed;
	mmc-ddr-1_8v;
	mmc-hs200-1_8v;

	mmc-pwrseq = <&emmc_pwrseq>;
	vmmc-supply = <&vcc3v3>;
	vqmmc-supply = <&vcc1v8>;
};