arch/arm/dts/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 GPIOY_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";
	phy-handle = <&eth_phy0>;
	phy-mode = "rgmii";

	snps,reset-gpio = <&gpio GPIOZ_14 0>;
	snps,reset-delays-us = <0 10000 1000000>;
	snps,reset-active-low;

	amlogic,tx-delay-ns = <2>;

	mdio {
		compatible = "snps,dwmac-mdio";
		#address-cells = <1>;
		#size-cells = <0>;

		eth_phy0: ethernet-phy@0 {
			reg = <0>;
			eee-broken-1000t;
		};
	};
};

&pinctrl_aobus {
	gpio-line-names = "UART TX", "UART RX", "VCCK En", "TF 3V3/1V8 En",
			  "USB HUB nRESET", "USB OTG Power En",
			  "J7 Header Pin2", "IR In", "J7 Header Pin4",
			  "J7 Header Pin6", "J7 Header Pin5", "J7 Header Pin7",
			  "HDMI CEC", "SYS LED";
};

&pinctrl_periphs {
	gpio-line-names = /* Bank GPIOZ */
			  "Eth MDIO", "Eth MDC", "Eth RGMII RX Clk",
			  "Eth RX DV", "Eth RX D0", "Eth RX D1", "Eth RX D2",
			  "Eth RX D3", "Eth RGMII TX Clk", "Eth TX En",
			  "Eth TX D0", "Eth TX D1", "Eth TX D2", "Eth TX D3",
			  "Eth PHY nRESET", "Eth PHY Intc",
			  /* Bank GPIOH */
			  "HDMI HPD", "HDMI DDC SDA", "HDMI DDC SCL", "",
			  /* Bank BOOT */
			  "eMMC D0", "eMMC D1", "eMMC D2", "eMMC D3", "eMMC D4",
			  "eMMC D5", "eMMC D6", "eMMC D7", "eMMC Clk",
			  "eMMC Reset", "eMMC CMD",
			  "", "", "", "", "", "", "",
			  /* Bank CARD */
			  "SDCard D1", "SDCard D0", "SDCard CLK", "SDCard CMD",
			  "SDCard D3", "SDCard D2", "SDCard Det",
			  /* Bank GPIODV */
			  "", "", "", "", "", "", "", "", "", "", "", "", "",
			  "", "", "", "", "", "", "", "", "", "", "",
			  "I2C A SDA", "I2C A SCK", "I2C B SDA", "I2C B SCK",
			  "PWM D", "PWM B",
			  /* Bank GPIOY */
			  "Revision Bit0", "Revision Bit1", "",
			  "J2 Header Pin35", "", "", "", "J2 Header Pin36",
			  "J2 Header Pin31", "", "", "", "TF VDD En",
			  "J2 Header Pin32", "J2 Header Pin26", "", "",
			  /* Bank GPIOX */
			  "J2 Header Pin29", "J2 Header Pin24",
			  "J2 Header Pin23", "J2 Header Pin22",
			  "J2 Header Pin21", "J2 Header Pin18",
			  "J2 Header Pin33", "J2 Header Pin19",
			  "J2 Header Pin16", "J2 Header Pin15",
			  "J2 Header Pin12", "J2 Header Pin13",
			  "J2 Header Pin8", "J2 Header Pin10",
			  "", "", "", "", "",
			  "J2 Header Pin11", "", "J2 Header Pin7",
			  /* Bank GPIOCLK */
			  "", "", "", "",
			  /* GPIO_TEST_N */
			  "";
};

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

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

&gpio_ao {
	/*
	 * WARNING: The USB Hub on the Odroid-C2 needs a reset signal
	 * to be turned high in order to be detected by the USB Controller
	 * This signal should be handled by a USB specific power sequence
	 * in order to reset the Hub when USB bus is powered down.
	 */
	usb-hub {
		gpio-hog;
		gpios = <GPIOAO_4 GPIO_ACTIVE_HIGH>;
		output-high;
		line-name = "usb-hub-reset";
	};
};

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

&usb1_phy {
	status = "okay";
};

&usb0 {
	status = "okay";
};

&usb1 {
	status = "okay";
};

&saradc {
	status = "okay";
	vref-supply = <&vcc1v8>;
};

/* 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>;
};