1// SPDX-License-Identifier: GPL-2.0-or-later
  2/*
  3 * Copyright (C) 2015-2017 I2SE GmbH <info@i2se.com>
  4 * Copyright (C) 2016 Michael Heimpold <mhei@heimpold.de>
  5 */
  6
  7/dts-v1/;
  8#include <dt-bindings/interrupt-controller/irq.h>
  9#include <dt-bindings/input/input.h>
 10#include <dt-bindings/gpio/gpio.h>
 11#include "imx28.dtsi"
 12
 13/ {
 14	model = "I2SE Duckbill 2 EnOcean";
 15	compatible = "i2se,duckbill-2-enocean", "i2se,duckbill-2", "fsl,imx28";
 16
 17	memory@40000000 {
 18		device_type = "memory";
 19		reg = <0x40000000 0x08000000>;
 20	};
 21
 22	apb@80000000 {
 23		apbh@80000000 {
 24			ssp0: spi@80010000 {
 25				compatible = "fsl,imx28-mmc";
 26				pinctrl-names = "default";
 27				pinctrl-0 = <&mmc0_8bit_pins_a
 28					&mmc0_cd_cfg &mmc0_sck_cfg>;
 29				bus-width = <8>;
 30				vmmc-supply = <&reg_3p3v>;
 31				status = "okay";
 32				non-removable;
 33			};
 34
 35			ssp2: spi@80014000 {
 36				compatible = "fsl,imx28-mmc";
 37				pinctrl-names = "default";
 38				pinctrl-0 = <&mmc2_4bit_pins_b
 39					&mmc2_cd_cfg &mmc2_sck_cfg_b>;
 40				bus-width = <4>;
 41				vmmc-supply = <&reg_3p3v>;
 42				status = "okay";
 43			};
 44
 45			pinctrl@80018000 {
 46				pinctrl-names = "default";
 47				pinctrl-0 = <&hog_pins_a>;
 48
 49				hog_pins_a: hog@0 {
 50					reg = <0>;
 51					fsl,pinmux-ids = <
 52						MX28_PAD_LCD_D17__GPIO_1_17    /* Revision detection */
 53					>;
 54					fsl,drive-strength = <MXS_DRIVE_4mA>;
 55					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 56					fsl,pull-up = <MXS_PULL_DISABLE>;
 57				};
 58
 59				mac0_phy_reset_pin: mac0-phy-reset@0 {
 60					reg = <0>;
 61					fsl,pinmux-ids = <
 62						MX28_PAD_GPMI_ALE__GPIO_0_26    /* PHY Reset */
 63					>;
 64					fsl,drive-strength = <MXS_DRIVE_4mA>;
 65					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 66					fsl,pull-up = <MXS_PULL_DISABLE>;
 67				};
 68
 69				mac0_phy_int_pin: mac0-phy-int@0 {
 70					reg = <0>;
 71					fsl,pinmux-ids = <
 72						MX28_PAD_GPMI_D07__GPIO_0_7    /* PHY Interrupt */
 73					>;
 74					fsl,drive-strength = <MXS_DRIVE_4mA>;
 75					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 76					fsl,pull-up = <MXS_PULL_DISABLE>;
 77				};
 78
 79				led_pins: leds@0 {
 80					reg = <0>;
 81					fsl,pinmux-ids = <
 82						MX28_PAD_SAIF0_MCLK__GPIO_3_20
 83						MX28_PAD_SAIF0_LRCLK__GPIO_3_21
 84						MX28_PAD_AUART0_CTS__GPIO_3_2
 85						MX28_PAD_I2C0_SCL__GPIO_3_24
 86						MX28_PAD_I2C0_SDA__GPIO_3_25
 87					>;
 88					fsl,drive-strength = <MXS_DRIVE_4mA>;
 89					fsl,voltage = <MXS_VOLTAGE_HIGH>;
 90					fsl,pull-up = <MXS_PULL_DISABLE>;
 91				};
 92
 93				enocean_button: enocean-button@0 {
 94					reg = <0>;
 95					fsl,pinmux-ids = <
 96						MX28_PAD_AUART0_RTS__GPIO_3_3
 97					>;
 98					fsl,drive-strength = <MXS_DRIVE_4mA>;
 99					fsl,voltage = <MXS_VOLTAGE_HIGH>;
100					fsl,pull-up = <MXS_PULL_DISABLE>;
101				};
102			};
103		};
104
105		apbx@80040000 {
106			lradc@80050000 {
107				status = "okay";
108			};
109
110			auart0: serial@8006a000 {
111				pinctrl-names = "default";
112				pinctrl-0 = <&auart0_2pins_a>;
113				status = "okay";
114			};
115
116			duart: serial@80074000 {
117				pinctrl-names = "default";
118				pinctrl-0 = <&duart_pins_a>;
119				status = "okay";
120			};
121
122			usbphy0: usbphy@8007c000 {
123				status = "okay";
124			};
125		};
126	};
127
128	ahb@80080000 {
129		usb0: usb@80080000 {
130			status = "okay";
131			dr_mode = "peripheral";
132		};
133
134		mac0: ethernet@800f0000 {
135			phy-mode = "rmii";
136			pinctrl-names = "default";
137			pinctrl-0 = <&mac0_pins_a>, <&mac0_phy_reset_pin>;
138			phy-supply = <&reg_3p3v>;
139			phy-reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
140			phy-reset-duration = <25>;
141			phy-handle = <&ethphy>;
142			status = "okay";
143
144			mdio {
145				#address-cells = <1>;
146				#size-cells = <0>;
147
148				ethphy: ethernet-phy@0 {
149					compatible = "ethernet-phy-ieee802.3-c22";
150					reg = <0>;
151					pinctrl-names = "default";
152					pinctrl-0 = <&mac0_phy_int_pin>;
153					interrupt-parent = <&gpio0>;
154					interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
155					max-speed = <100>;
156				};
157			};
158		};
159	};
160
161	reg_3p3v: regulator-3p3v {
162		compatible = "regulator-fixed";
163		regulator-name = "3P3V";
164		regulator-min-microvolt = <3300000>;
165		regulator-max-microvolt = <3300000>;
166		regulator-always-on;
167	};
168
169	leds {
170		compatible = "gpio-leds";
171		pinctrl-names = "default";
172		pinctrl-0 = <&led_pins>;
173
174		status-red {
175			label = "duckbill:red:status";
176			gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
177			linux,default-trigger = "default-on";
178		};
179
180		status-green {
181			label = "duckbill:green:status";
182			gpios = <&gpio3 20 GPIO_ACTIVE_HIGH>;
183			linux,default-trigger = "heartbeat";
184		};
185
186		enocean-blue {
187			label = "duckbill:blue:enocean";
188			gpios = <&gpio3 24 GPIO_ACTIVE_LOW>;
189		};
190
191		enocean-red {
192			label = "duckbill:red:enocean";
193			gpios = <&gpio3 25 GPIO_ACTIVE_LOW>;
194		};
195
196		enocean-green {
197			label = "duckbill:green:enocean";
198			gpios = <&gpio3 2 GPIO_ACTIVE_LOW>;
199		};
200	};
201
202	gpio-keys {
203		compatible = "gpio-keys";
204		pinctrl-names = "default";
205		pinctrl-0 = <&enocean_button>;
206
207		key-enocean {
208			label = "EnOcean";
209			linux,code = <KEY_NEW>;
210			gpios = <&gpio3 3 GPIO_ACTIVE_HIGH>;
211		};
212	};
213};