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/gpio/gpio.h>
10#include "imx28.dtsi"
11
12/ {
13	model = "I2SE Duckbill 2 485";
14	compatible = "i2se,duckbill-2-485", "i2se,duckbill-2", "fsl,imx28";
15
16	memory@40000000 {
17		device_type = "memory";
18		reg = <0x40000000 0x08000000>;
19	};
20
21	apb@80000000 {
22		apbh@80000000 {
23			ssp0: spi@80010000 {
24				compatible = "fsl,imx28-mmc";
25				pinctrl-names = "default";
26				pinctrl-0 = <&mmc0_8bit_pins_a
27					&mmc0_cd_cfg &mmc0_sck_cfg>;
28				bus-width = <8>;
29				vmmc-supply = <&reg_3p3v>;
30				status = "okay";
31				non-removable;
32			};
33
34			ssp2: spi@80014000 {
35				compatible = "fsl,imx28-mmc";
36				pinctrl-names = "default";
37				pinctrl-0 = <&mmc2_4bit_pins_b
38					&mmc2_cd_cfg &mmc2_sck_cfg_b>;
39				bus-width = <4>;
40				vmmc-supply = <&reg_3p3v>;
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_GPMI_ALE__GPIO_0_26    /* 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				mac0_phy_int_pin: mac0-phy-int@0 {
69					reg = <0>;
70					fsl,pinmux-ids = <
71						MX28_PAD_GPMI_D07__GPIO_0_7    /* PHY Interrupt */
72					>;
73					fsl,drive-strength = <MXS_DRIVE_4mA>;
74					fsl,voltage = <MXS_VOLTAGE_HIGH>;
75					fsl,pull-up = <MXS_PULL_DISABLE>;
76				};
77
78				led_pins: leds@0 {
79					reg = <0>;
80					fsl,pinmux-ids = <
81						MX28_PAD_SAIF0_MCLK__GPIO_3_20
82						MX28_PAD_SAIF0_LRCLK__GPIO_3_21
83						MX28_PAD_I2C0_SCL__GPIO_3_24
84						MX28_PAD_I2C0_SDA__GPIO_3_25
85					>;
86					fsl,drive-strength = <MXS_DRIVE_4mA>;
87					fsl,voltage = <MXS_VOLTAGE_HIGH>;
88					fsl,pull-up = <MXS_PULL_DISABLE>;
89				};
90			};
91		};
92
93		apbx@80040000 {
94			lradc@80050000 {
95				status = "okay";
96			};
97
98			auart0: serial@8006a000 {
99				pinctrl-names = "default";
100				pinctrl-0 = <&auart0_2pins_a>;
101				status = "okay";
102			};
103
104			duart: serial@80074000 {
105				pinctrl-names = "default";
106				pinctrl-0 = <&duart_pins_a>;
107				status = "okay";
108			};
109
110			usbphy0: usbphy@8007c000 {
111				status = "okay";
112			};
113		};
114	};
115
116	ahb@80080000 {
117		usb0: usb@80080000 {
118			status = "okay";
119			dr_mode = "peripheral";
120		};
121
122		mac0: ethernet@800f0000 {
123			phy-mode = "rmii";
124			pinctrl-names = "default";
125			pinctrl-0 = <&mac0_pins_a>, <&mac0_phy_reset_pin>;
126			phy-supply = <&reg_3p3v>;
127			phy-reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
128			phy-reset-duration = <25>;
129			phy-handle = <&ethphy>;
130			status = "okay";
131
132			mdio {
133				#address-cells = <1>;
134				#size-cells = <0>;
135
136				ethphy: ethernet-phy@0 {
137					compatible = "ethernet-phy-ieee802.3-c22";
138					reg = <0>;
139					pinctrl-names = "default";
140					pinctrl-0 = <&mac0_phy_int_pin>;
141					interrupt-parent = <&gpio0>;
142					interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
143					max-speed = <100>;
144				};
145			};
146		};
147	};
148
149	reg_3p3v: regulator-3p3v {
150		compatible = "regulator-fixed";
151		regulator-name = "3P3V";
152		regulator-min-microvolt = <3300000>;
153		regulator-max-microvolt = <3300000>;
154		regulator-always-on;
155	};
156
157	leds {
158		compatible = "gpio-leds";
159		pinctrl-names = "default";
160		pinctrl-0 = <&led_pins>;
161
162		status-red {
163			label = "duckbill:red:status";
164			gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
165			linux,default-trigger = "default-on";
166		};
167
168		status-green {
169			label = "duckbill:green:status";
170			gpios = <&gpio3 20 GPIO_ACTIVE_HIGH>;
171			linux,default-trigger = "heartbeat";
172		};
173
174		rs485-red {
175			label = "duckbill:red:rs485";
176			gpios = <&gpio3 24 GPIO_ACTIVE_LOW>;
177		};
178
179		rs485-green {
180			label = "duckbill:green:rs485";
181			gpios = <&gpio3 25 GPIO_ACTIVE_LOW>;
182		};
183	};
184};
185