1/*
  2 * Copyright (C) 2015-2017 I2SE GmbH <info@i2se.com>
  3 * Copyright (C) 2016 Michael Heimpold <mhei@heimpold.de>
  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/interrupt-controller/irq.h>
 15#include <dt-bindings/gpio/gpio.h>
 16#include "imx28.dtsi"
 17
 18/ {
 19	model = "I2SE Duckbill 2";
 20	compatible = "i2se,duckbill-2", "fsl,imx28";
 21
 22	memory@40000000 {
 23		reg = <0x40000000 0x08000000>;
 24	};
 25
 26	apb@80000000 {
 27		apbh@80000000 {
 28			ssp0: ssp@80010000 {
 29				compatible = "fsl,imx28-mmc";
 30				pinctrl-names = "default";
 31				pinctrl-0 = <&mmc0_8bit_pins_a
 32					&mmc0_cd_cfg &mmc0_sck_cfg>;
 33				bus-width = <8>;
 34				vmmc-supply = <&reg_3p3v>;
 35				status = "okay";
 36				non-removable;
 37			};
 38
 39			ssp2: ssp@80014000 {
 40				compatible = "fsl,imx28-mmc";
 41				pinctrl-names = "default";
 42				pinctrl-0 = <&mmc2_4bit_pins_b
 43					&mmc2_cd_cfg &mmc2_sck_cfg_b>;
 44				bus-width = <4>;
 45				vmmc-supply = <&reg_3p3v>;
 46				status = "okay";
 47			};
 48
 49			pinctrl@80018000 {
 50				pinctrl-names = "default";
 51				pinctrl-0 = <&hog_pins_a>;
 52
 53				hog_pins_a: hog@0 {
 54					reg = <0>;
 55					fsl,pinmux-ids = <
 56						MX28_PAD_LCD_D17__GPIO_1_17    /* Revision detection */
 57					>;
 58					fsl,drive-strength = <MXS_DRIVE_4mA>;
 59					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 60					fsl,pull-up = <MXS_PULL_DISABLE>;
 61				};
 62
 63				mac0_phy_reset_pin: mac0-phy-reset@0 {
 64					reg = <0>;
 65					fsl,pinmux-ids = <
 66						MX28_PAD_GPMI_ALE__GPIO_0_26    /* PHY Reset */
 67					>;
 68					fsl,drive-strength = <MXS_DRIVE_4mA>;
 69					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 70					fsl,pull-up = <MXS_PULL_DISABLE>;
 71				};
 72
 73				mac0_phy_int_pin: mac0-phy-int@0 {
 74					reg = <0>;
 75					fsl,pinmux-ids = <
 76						MX28_PAD_GPMI_D07__GPIO_0_7    /* PHY Interrupt */
 77					>;
 78					fsl,drive-strength = <MXS_DRIVE_4mA>;
 79					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 80					fsl,pull-up = <MXS_PULL_DISABLE>;
 81				};
 82
 83				led_pins: leds@0 {
 84					reg = <0>;
 85					fsl,pinmux-ids = <
 86						MX28_PAD_SAIF0_MCLK__GPIO_3_20
 87						MX28_PAD_SAIF0_LRCLK__GPIO_3_21
 88					>;
 89					fsl,drive-strength = <MXS_DRIVE_4mA>;
 90					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 91					fsl,pull-up = <MXS_PULL_DISABLE>;
 92				};
 93			};
 94		};
 95
 96		apbx@80040000 {
 97			lradc@80050000 {
 98				status = "okay";
 99			};
100
101			i2c0: i2c@80058000 {
102				pinctrl-names = "default";
103				pinctrl-0 = <&i2c0_pins_a>;
104				status = "okay";
105			};
106
107			auart0: serial@8006a000 {
108				pinctrl-names = "default";
109				pinctrl-0 = <&auart0_2pins_a>;
110				status = "okay";
111			};
112
113			duart: serial@80074000 {
114				pinctrl-names = "default";
115				pinctrl-0 = <&duart_pins_a>;
116				status = "okay";
117			};
118
119			usbphy0: usbphy@8007c000 {
120				status = "okay";
121			};
122		};
123	};
124
125	ahb@80080000 {
126		usb0: usb@80080000 {
127			status = "okay";
128			dr_mode = "peripheral";
129		};
130
131		mac0: ethernet@800f0000 {
132			phy-mode = "rmii";
133			pinctrl-names = "default";
134			pinctrl-0 = <&mac0_pins_a>, <&mac0_phy_reset_pin>;
135			phy-supply = <&reg_3p3v>;
136			phy-reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
137			phy-reset-duration = <25>;
138			phy-handle = <&ethphy>;
139			status = "okay";
140
141			mdio {
142				#address-cells = <1>;
143				#size-cells = <0>;
144
145				ethphy: ethernet-phy@0 {
146					compatible = "ethernet-phy-ieee802.3-c22";
147					reg = <0>;
148					pinctrl-names = "default";
149					pinctrl-0 = <&mac0_phy_int_pin>;
150					interrupt-parent = <&gpio0>;
151					interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
152					max-speed = <100>;
153				};
154			};
155		};
156	};
157
158	reg_3p3v: regulator-3p3v {
159		compatible = "regulator-fixed";
160		regulator-name = "3P3V";
161		regulator-min-microvolt = <3300000>;
162		regulator-max-microvolt = <3300000>;
163		regulator-always-on;
164	};
165
166	leds {
167		compatible = "gpio-leds";
168		pinctrl-names = "default";
169		pinctrl-0 = <&led_pins>;
170
171		status-red {
172			label = "duckbill:red:status";
173			gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
174			linux,default-trigger = "default-on";
175		};
176
177		status-green {
178			label = "duckbill:green:status";
179			gpios = <&gpio3 20 GPIO_ACTIVE_HIGH>;
180			linux,default-trigger = "heartbeat";
181		};
182	};
183};