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/input/input.h>
 16#include <dt-bindings/gpio/gpio.h>
 17#include "imx28.dtsi"
 18
 19/ {
 20	model = "I2SE Duckbill 2 EnOcean";
 21	compatible = "i2se,duckbill-2-enocean", "i2se,duckbill-2", "fsl,imx28";
 22
 23	memory@40000000 {
 24		reg = <0x40000000 0x08000000>;
 25	};
 26
 27	apb@80000000 {
 28		apbh@80000000 {
 29			ssp0: ssp@80010000 {
 30				compatible = "fsl,imx28-mmc";
 31				pinctrl-names = "default";
 32				pinctrl-0 = <&mmc0_8bit_pins_a
 33					&mmc0_cd_cfg &mmc0_sck_cfg>;
 34				bus-width = <8>;
 35				vmmc-supply = <&reg_3p3v>;
 36				status = "okay";
 37				non-removable;
 38			};
 39
 40			ssp2: ssp@80014000 {
 41				compatible = "fsl,imx28-mmc";
 42				pinctrl-names = "default";
 43				pinctrl-0 = <&mmc2_4bit_pins_b
 44					&mmc2_cd_cfg &mmc2_sck_cfg_b>;
 45				bus-width = <4>;
 46				vmmc-supply = <&reg_3p3v>;
 47				status = "okay";
 48			};
 49
 50			pinctrl@80018000 {
 51				pinctrl-names = "default";
 52				pinctrl-0 = <&hog_pins_a>;
 53
 54				hog_pins_a: hog@0 {
 55					reg = <0>;
 56					fsl,pinmux-ids = <
 57						MX28_PAD_LCD_D17__GPIO_1_17    /* Revision detection */
 58					>;
 59					fsl,drive-strength = <MXS_DRIVE_4mA>;
 60					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 61					fsl,pull-up = <MXS_PULL_DISABLE>;
 62				};
 63
 64				mac0_phy_reset_pin: mac0-phy-reset@0 {
 65					reg = <0>;
 66					fsl,pinmux-ids = <
 67						MX28_PAD_GPMI_ALE__GPIO_0_26    /* PHY Reset */
 68					>;
 69					fsl,drive-strength = <MXS_DRIVE_4mA>;
 70					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 71					fsl,pull-up = <MXS_PULL_DISABLE>;
 72				};
 73
 74				mac0_phy_int_pin: mac0-phy-int@0 {
 75					reg = <0>;
 76					fsl,pinmux-ids = <
 77						MX28_PAD_GPMI_D07__GPIO_0_7    /* PHY Interrupt */
 78					>;
 79					fsl,drive-strength = <MXS_DRIVE_4mA>;
 80					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 81					fsl,pull-up = <MXS_PULL_DISABLE>;
 82				};
 83
 84				led_pins: leds@0 {
 85					reg = <0>;
 86					fsl,pinmux-ids = <
 87						MX28_PAD_SAIF0_MCLK__GPIO_3_20
 88						MX28_PAD_SAIF0_LRCLK__GPIO_3_21
 89						MX28_PAD_AUART0_CTS__GPIO_3_2
 90						MX28_PAD_I2C0_SCL__GPIO_3_24
 91						MX28_PAD_I2C0_SDA__GPIO_3_25
 92					>;
 93					fsl,drive-strength = <MXS_DRIVE_4mA>;
 94					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 95					fsl,pull-up = <MXS_PULL_DISABLE>;
 96				};
 97
 98				enocean_button: enocean-button@0 {
 99					reg = <0>;
100					fsl,pinmux-ids = <
101						MX28_PAD_AUART0_RTS__GPIO_3_3
102					>;
103					fsl,drive-strength = <MXS_DRIVE_4mA>;
104					fsl,voltage = <MXS_VOLTAGE_HIGH>;
105					fsl,pull-up = <MXS_PULL_DISABLE>;
106				};
107			};
108		};
109
110		apbx@80040000 {
111			lradc@80050000 {
112				status = "okay";
113			};
114
115			auart0: serial@8006a000 {
116				pinctrl-names = "default";
117				pinctrl-0 = <&auart0_2pins_a>;
118				status = "okay";
119			};
120
121			duart: serial@80074000 {
122				pinctrl-names = "default";
123				pinctrl-0 = <&duart_pins_a>;
124				status = "okay";
125			};
126
127			usbphy0: usbphy@8007c000 {
128				status = "okay";
129			};
130		};
131	};
132
133	ahb@80080000 {
134		usb0: usb@80080000 {
135			status = "okay";
136			dr_mode = "peripheral";
137		};
138
139		mac0: ethernet@800f0000 {
140			phy-mode = "rmii";
141			pinctrl-names = "default";
142			pinctrl-0 = <&mac0_pins_a>, <&mac0_phy_reset_pin>;
143			phy-supply = <&reg_3p3v>;
144			phy-reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
145			phy-reset-duration = <25>;
146			phy-handle = <&ethphy>;
147			status = "okay";
148
149			mdio {
150				#address-cells = <1>;
151				#size-cells = <0>;
152
153				ethphy: ethernet-phy@0 {
154					compatible = "ethernet-phy-ieee802.3-c22";
155					reg = <0>;
156					pinctrl-names = "default";
157					pinctrl-0 = <&mac0_phy_int_pin>;
158					interrupt-parent = <&gpio0>;
159					interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
160					max-speed = <100>;
161				};
162			};
163		};
164	};
165
166	reg_3p3v: regulator-3p3v {
167		compatible = "regulator-fixed";
168		regulator-name = "3P3V";
169		regulator-min-microvolt = <3300000>;
170		regulator-max-microvolt = <3300000>;
171		regulator-always-on;
172	};
173
174	leds {
175		compatible = "gpio-leds";
176		pinctrl-names = "default";
177		pinctrl-0 = <&led_pins>;
178
179		status-red {
180			label = "duckbill:red:status";
181			gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
182			linux,default-trigger = "default-on";
183		};
184
185		status-green {
186			label = "duckbill:green:status";
187			gpios = <&gpio3 20 GPIO_ACTIVE_HIGH>;
188			linux,default-trigger = "heartbeat";
189		};
190
191		enocean-blue {
192			label = "duckbill:blue:enocean";
193			gpios = <&gpio3 24 GPIO_ACTIVE_LOW>;
194		};
195
196		enocean-red {
197			label = "duckbill:red:enocean";
198			gpios = <&gpio3 25 GPIO_ACTIVE_LOW>;
199		};
200
201		enocean-green {
202			label = "duckbill:green:enocean";
203			gpios = <&gpio3 2 GPIO_ACTIVE_LOW>;
204		};
205	};
206
207	gpio-keys {
208		compatible = "gpio-keys";
209		#address-cells = <1>;
210		#size-cells = <0>;
211		pinctrl-names = "default";
212		pinctrl-0 = <&enocean_button>;
213
214		enocean {
215			label = "EnOcean";
216			linux,code = <KEY_NEW>;
217			gpios = <&gpio3 3 GPIO_ACTIVE_HIGH>;
218		};
219	};
220};