1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (C) 2013-2014,2016 Michael Heimpold <mhei@heimpold.de>
4 * Copyright (C) 2015-2017 I2SE GmbH <info@i2se.com>
5 */
6
7 /dts-v1/;
8 #include <dt-bindings/gpio/gpio.h>
9 #include "imx28.dtsi"
10
11 / {
12 model = "I2SE Duckbill";
13 compatible = "i2se,duckbill", "fsl,imx28";
14
15 memory@40000000 {
16 device_type = "memory";
17 reg = <0x40000000 0x08000000>;
18 };
19
20 reg_3p3v: regulator-3p3v {
21 compatible = "regulator-fixed";
22 regulator-name = "3P3V";
23 regulator-min-microvolt = <3300000>;
24 regulator-max-microvolt = <3300000>;
25 regulator-always-on;
26 };
27
28 leds {
29 compatible = "gpio-leds";
30 pinctrl-names = "default";
31 pinctrl-0 = <&led_pins>;
32
33 status-red {
34 label = "duckbill:red:status";
35 gpios = <&gpio3 4 GPIO_ACTIVE_HIGH>;
36 linux,default-trigger = "default-on";
37 };
38
39 status-green {
40 label = "duckbill:green:status";
41 gpios = <&gpio3 5 GPIO_ACTIVE_HIGH>;
42 linux,default-trigger = "heartbeat";
43 };
44 };
45 };
46
47 &auart0 {
48 pinctrl-names = "default";
49 pinctrl-0 = <&auart0_2pins_a>;
50 status = "okay";
51 };
52
53 &duart {
54 pinctrl-names = "default";
55 pinctrl-0 = <&duart_pins_a>;
56 status = "okay";
57 };
58
59 &lradc {
60 status = "okay";
61 };
62
63 &i2c0 {
64 pinctrl-names = "default";
65 pinctrl-0 = <&i2c0_pins_a>;
66 status = "okay";
67 };
68
69 &mac0 {
70 phy-mode = "rmii";
71 pinctrl-names = "default";
72 pinctrl-0 = <&mac0_pins_a>, <&mac0_phy_reset_pin>;
73 phy-supply = <®_3p3v>;
74 phy-reset-gpios = <&gpio2 7 GPIO_ACTIVE_LOW>;
75 phy-reset-duration = <25>;
76 status = "okay";
77 };
78
79 &pinctrl {
80 pinctrl-names = "default";
81 pinctrl-0 = <&hog_pins_a>;
82
83 hog_pins_a: hog@0 {
84 reg = <0>;
85 fsl,pinmux-ids = <
86 MX28_PAD_LCD_D17__GPIO_1_17 /* Revision detection */
87 >;
88 fsl,drive-strength = <MXS_DRIVE_4mA>;
89 fsl,voltage = <MXS_VOLTAGE_HIGH>;
90 fsl,pull-up = <MXS_PULL_DISABLE>;
91 };
92
93 mac0_phy_reset_pin: mac0-phy-reset@0 {
94 reg = <0>;
95 fsl,pinmux-ids = <
96 MX28_PAD_SSP0_DATA7__GPIO_2_7 /* PHY Reset */
97 >;
98 fsl,drive-strength = <MXS_DRIVE_4mA>;
99 fsl,voltage = <MXS_VOLTAGE_HIGH>;
100 fsl,pull-up = <MXS_PULL_DISABLE>;
101 };
102
103 led_pins: leds@0 {
104 reg = <0>;
105 fsl,pinmux-ids = <
106 MX28_PAD_AUART1_RX__GPIO_3_4
107 MX28_PAD_AUART1_TX__GPIO_3_5
108 >;
109 fsl,drive-strength = <MXS_DRIVE_4mA>;
110 fsl,voltage = <MXS_VOLTAGE_HIGH>;
111 fsl,pull-up = <MXS_PULL_DISABLE>;
112 };
113 };
114
115 &ssp0 {
116 compatible = "fsl,imx28-mmc";
117 pinctrl-names = "default";
118 pinctrl-0 = <&mmc0_4bit_pins_a
119 &mmc0_cd_cfg &mmc0_sck_cfg>;
120 bus-width = <4>;
121 vmmc-supply = <®_3p3v>;
122 status = "okay";
123 };
124
125 &ssp2 {
126 compatible = "fsl,imx28-spi";
127 pinctrl-names = "default";
128 pinctrl-0 = <&spi2_pins_a>;
129 status = "okay";
130 };
131
132 &usb0 {
133 dr_mode = "peripheral";
134 status = "okay";
135 };
136
137 &usbphy0 {
138 status = "okay";
139 };
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