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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/gpio/gpio.h> | |
16 | #include "imx28.dtsi" | |
17 | ||
18 | / { | |
19 | model = "I2SE Duckbill 2 485"; | |
20 | compatible = "i2se,duckbill-2-485", "i2se,duckbill-2", "fsl,imx28"; | |
21 | ||
ad00e080 | 22 | memory@40000000 { |
7f0e2da5 MH |
23 | reg = <0x40000000 0x08000000>; |
24 | }; | |
25 | ||
26 | apb@80000000 { | |
27 | apbh@80000000 { | |
28 | ssp0: ssp@80010000 { | |
29 | compatible = "fsl,imx28-mmc"; | |
30 | pinctrl-names = "default"; | |
31 | pinctrl-0 = <&mmc0_8bit_pins_a | |
32 | &mmc0_cd_cfg &mmc0_sck_cfg>; | |
33 | bus-width = <8>; | |
34 | vmmc-supply = <®_3p3v>; | |
35 | status = "okay"; | |
36 | non-removable; | |
37 | }; | |
38 | ||
39 | ssp2: ssp@80014000 { | |
40 | compatible = "fsl,imx28-mmc"; | |
41 | pinctrl-names = "default"; | |
42 | pinctrl-0 = <&mmc2_4bit_pins_b | |
43 | &mmc2_cd_cfg &mmc2_sck_cfg_b>; | |
44 | bus-width = <4>; | |
45 | vmmc-supply = <®_3p3v>; | |
46 | status = "okay"; | |
47 | }; | |
48 | ||
49 | pinctrl@80018000 { | |
50 | pinctrl-names = "default"; | |
51 | pinctrl-0 = <&hog_pins_a>; | |
52 | ||
53 | hog_pins_a: hog@0 { | |
54 | reg = <0>; | |
55 | fsl,pinmux-ids = < | |
56 | MX28_PAD_LCD_D17__GPIO_1_17 /* Revision detection */ | |
57 | >; | |
58 | fsl,drive-strength = <MXS_DRIVE_4mA>; | |
59 | fsl,voltage = <MXS_VOLTAGE_HIGH>; | |
60 | fsl,pull-up = <MXS_PULL_DISABLE>; | |
61 | }; | |
62 | ||
63 | mac0_phy_reset_pin: mac0-phy-reset@0 { | |
64 | reg = <0>; | |
65 | fsl,pinmux-ids = < | |
66 | MX28_PAD_GPMI_ALE__GPIO_0_26 /* PHY Reset */ | |
67 | >; | |
68 | fsl,drive-strength = <MXS_DRIVE_4mA>; | |
69 | fsl,voltage = <MXS_VOLTAGE_HIGH>; | |
70 | fsl,pull-up = <MXS_PULL_DISABLE>; | |
71 | }; | |
72 | ||
73 | mac0_phy_int_pin: mac0-phy-int@0 { | |
74 | reg = <0>; | |
75 | fsl,pinmux-ids = < | |
76 | MX28_PAD_GPMI_D07__GPIO_0_7 /* PHY Interrupt */ | |
77 | >; | |
78 | fsl,drive-strength = <MXS_DRIVE_4mA>; | |
79 | fsl,voltage = <MXS_VOLTAGE_HIGH>; | |
80 | fsl,pull-up = <MXS_PULL_DISABLE>; | |
81 | }; | |
82 | ||
83 | led_pins: leds@0 { | |
84 | reg = <0>; | |
85 | fsl,pinmux-ids = < | |
86 | MX28_PAD_SAIF0_MCLK__GPIO_3_20 | |
87 | MX28_PAD_SAIF0_LRCLK__GPIO_3_21 | |
88 | MX28_PAD_I2C0_SCL__GPIO_3_24 | |
89 | MX28_PAD_I2C0_SDA__GPIO_3_25 | |
90 | >; | |
91 | fsl,drive-strength = <MXS_DRIVE_4mA>; | |
92 | fsl,voltage = <MXS_VOLTAGE_HIGH>; | |
93 | fsl,pull-up = <MXS_PULL_DISABLE>; | |
94 | }; | |
95 | }; | |
96 | }; | |
97 | ||
98 | apbx@80040000 { | |
99 | lradc@80050000 { | |
100 | status = "okay"; | |
101 | }; | |
102 | ||
103 | auart0: serial@8006a000 { | |
104 | pinctrl-names = "default"; | |
105 | pinctrl-0 = <&auart0_2pins_a>; | |
106 | status = "okay"; | |
107 | }; | |
108 | ||
109 | duart: serial@80074000 { | |
110 | pinctrl-names = "default"; | |
111 | pinctrl-0 = <&duart_pins_a>; | |
112 | status = "okay"; | |
113 | }; | |
114 | ||
115 | usbphy0: usbphy@8007c000 { | |
116 | status = "okay"; | |
117 | }; | |
118 | }; | |
119 | }; | |
120 | ||
121 | ahb@80080000 { | |
122 | usb0: usb@80080000 { | |
123 | status = "okay"; | |
124 | dr_mode = "peripheral"; | |
125 | }; | |
126 | ||
127 | mac0: ethernet@800f0000 { | |
128 | phy-mode = "rmii"; | |
129 | pinctrl-names = "default"; | |
130 | pinctrl-0 = <&mac0_pins_a>, <&mac0_phy_reset_pin>; | |
131 | phy-supply = <®_3p3v>; | |
132 | phy-reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>; | |
133 | phy-reset-duration = <25>; | |
134 | phy-handle = <ðphy>; | |
135 | status = "okay"; | |
136 | ||
137 | mdio { | |
138 | #address-cells = <1>; | |
139 | #size-cells = <0>; | |
140 | ||
141 | ethphy: ethernet-phy@0 { | |
142 | compatible = "ethernet-phy-ieee802.3-c22"; | |
143 | reg = <0>; | |
144 | pinctrl-names = "default"; | |
145 | pinctrl-0 = <&mac0_phy_int_pin>; | |
146 | interrupt-parent = <&gpio0>; | |
147 | interrupts = <7 IRQ_TYPE_EDGE_FALLING>; | |
148 | max-speed = <100>; | |
149 | }; | |
150 | }; | |
151 | }; | |
152 | }; | |
153 | ||
154 | reg_3p3v: regulator-3p3v { | |
155 | compatible = "regulator-fixed"; | |
156 | regulator-name = "3P3V"; | |
157 | regulator-min-microvolt = <3300000>; | |
158 | regulator-max-microvolt = <3300000>; | |
159 | regulator-always-on; | |
160 | }; | |
161 | ||
162 | leds { | |
163 | compatible = "gpio-leds"; | |
164 | pinctrl-names = "default"; | |
165 | pinctrl-0 = <&led_pins>; | |
166 | ||
167 | status-red { | |
168 | label = "duckbill:red:status"; | |
169 | gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>; | |
170 | linux,default-trigger = "default-on"; | |
171 | }; | |
172 | ||
173 | status-green { | |
174 | label = "duckbill:green:status"; | |
175 | gpios = <&gpio3 20 GPIO_ACTIVE_HIGH>; | |
176 | linux,default-trigger = "heartbeat"; | |
177 | }; | |
178 | ||
179 | rs485-red { | |
180 | label = "duckbill:red:rs485"; | |
181 | gpios = <&gpio3 24 GPIO_ACTIVE_LOW>; | |
182 | }; | |
183 | ||
184 | rs485-green { | |
185 | label = "duckbill:green:rs485"; | |
186 | gpios = <&gpio3 25 GPIO_ACTIVE_LOW>; | |
187 | }; | |
188 | }; | |
189 | }; |