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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 = <®_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 = <®_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 = <®_3p3v>; | |
127 | phy-reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>; | |
128 | phy-reset-duration = <25>; | |
129 | phy-handle = <ðphy>; | |
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 | }; |