1/*
  2 * Copyright (C) 2013-2014,2016 Michael Heimpold <mhei@heimpold.de>
  3 * Copyright (C) 2015-2017 I2SE GmbH <info@i2se.com>
  4 *
  5 * The code contained herein is licensed under the GNU General Public
  6 * License. You may obtain a copy of the GNU General Public License
  7 * Version 2 or later at the following locations:
  8 *
  9 * http://www.opensource.org/licenses/gpl-license.html
 10 * http://www.gnu.org/copyleft/gpl.html
 11 */
 12
 13/dts-v1/;
 14#include <dt-bindings/gpio/gpio.h>
 15#include "imx28.dtsi"
 16
 17/ {
 18	model = "I2SE Duckbill";
 19	compatible = "i2se,duckbill", "fsl,imx28";
 20
 21	memory@40000000 {
 22		reg = <0x40000000 0x08000000>;
 23	};
 24
 25	apb@80000000 {
 26		apbh@80000000 {
 27			ssp0: ssp@80010000 {
 28				compatible = "fsl,imx28-mmc";
 29				pinctrl-names = "default";
 30				pinctrl-0 = <&mmc0_4bit_pins_a
 31					&mmc0_cd_cfg &mmc0_sck_cfg>;
 32				bus-width = <4>;
 33				vmmc-supply = <&reg_3p3v>;
 34				status = "okay";
 35			};
 36
 37			ssp2: ssp@80014000 {
 38				compatible = "fsl,imx28-spi";
 39				pinctrl-names = "default";
 40				pinctrl-0 = <&spi2_pins_a>;
 41				status = "okay";
 42			};
 43
 44			pinctrl@80018000 {
 45				pinctrl-names = "default";
 46				pinctrl-0 = <&hog_pins_a>;
 47
 48				hog_pins_a: hog@0 {
 49					reg = <0>;
 50					fsl,pinmux-ids = <
 51						MX28_PAD_LCD_D17__GPIO_1_17    /* Revision detection */
 52					>;
 53					fsl,drive-strength = <MXS_DRIVE_4mA>;
 54					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 55					fsl,pull-up = <MXS_PULL_DISABLE>;
 56				};
 57
 58				mac0_phy_reset_pin: mac0-phy-reset@0 {
 59					reg = <0>;
 60					fsl,pinmux-ids = <
 61						MX28_PAD_SSP0_DATA7__GPIO_2_7    /* PHY Reset */
 62					>;
 63					fsl,drive-strength = <MXS_DRIVE_4mA>;
 64					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 65					fsl,pull-up = <MXS_PULL_DISABLE>;
 66				};
 67
 68				led_pins: leds@0 {
 69					reg = <0>;
 70					fsl,pinmux-ids = <
 71						MX28_PAD_AUART1_RX__GPIO_3_4
 72						MX28_PAD_AUART1_TX__GPIO_3_5
 73					>;
 74					fsl,drive-strength = <MXS_DRIVE_4mA>;
 75					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 76					fsl,pull-up = <MXS_PULL_DISABLE>;
 77				};
 78			};
 79		};
 80
 81		apbx@80040000 {
 82			lradc@80050000 {
 83				status = "okay";
 84			};
 85
 86			i2c0: i2c@80058000 {
 87				pinctrl-names = "default";
 88				pinctrl-0 = <&i2c0_pins_a>;
 89				status = "okay";
 90			};
 91
 92			auart0: serial@8006a000 {
 93				pinctrl-names = "default";
 94				pinctrl-0 = <&auart0_2pins_a>;
 95				status = "okay";
 96			};
 97
 98			duart: serial@80074000 {
 99				pinctrl-names = "default";
100				pinctrl-0 = <&duart_pins_a>;
101				status = "okay";
102			};
103
104			usbphy0: usbphy@8007c000 {
105				status = "okay";
106			};
107		};
108	};
109
110	ahb@80080000 {
111		usb0: usb@80080000 {
112			status = "okay";
113			dr_mode = "peripheral";
114		};
115
116		mac0: ethernet@800f0000 {
117			phy-mode = "rmii";
118			pinctrl-names = "default";
119			pinctrl-0 = <&mac0_pins_a>, <&mac0_phy_reset_pin>;
120			phy-supply = <&reg_3p3v>;
121			phy-reset-gpios = <&gpio2 7 GPIO_ACTIVE_LOW>;
122			phy-reset-duration = <25>;
123			status = "okay";
124		};
125	};
126
127	reg_3p3v: regulator-3p3v {
128		compatible = "regulator-fixed";
129		regulator-name = "3P3V";
130		regulator-min-microvolt = <3300000>;
131		regulator-max-microvolt = <3300000>;
132		regulator-always-on;
133	};
134
135	leds {
136		compatible = "gpio-leds";
137		pinctrl-names = "default";
138		pinctrl-0 = <&led_pins>;
139
140		status-red {
141			label = "duckbill:red:status";
142			gpios = <&gpio3 4 GPIO_ACTIVE_HIGH>;
143			linux,default-trigger = "default-on";
144		};
145
146		status-green {
147			label = "duckbill:green:status";
148			gpios = <&gpio3 5 GPIO_ACTIVE_HIGH>;
149			linux,default-trigger = "heartbeat";
150		};
151	};
152};