1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * at91-wb45n.dtsi - Device Tree file for WB45NBT board
4 *
5 * Copyright (C) 2018 Laird
6 *
7 */
8
9 #include "at91sam9g25.dtsi"
10
11 / {
12 model = "Laird Workgroup Bridge 45N - Atmel AT91SAM (dt)";
13 compatible = "laird,wb45n", "laird,wbxx", "atmel,at91sam9x5", "atmel,at91sam9";
14
15 chosen {
16 bootargs = "ubi.mtd=6 root=ubi0:rootfs rootfstype=ubifs rw";
17 stdout-path = "serial0:115200n8";
18 };
19
20 memory@20000000 {
21 reg = <0x20000000 0x4000000>;
22 };
23
24 atheros {
25 compatible = "atheros,ath6kl";
26 atheros,board-id = "SD32";
27 };
28 };
29
30 &reset_controller {
31 compatible = "atmel,sama5d3-rstc";
32 };
33
34 &shutdown_controller {
35 atmel,wakeup-mode = "low";
36 };
37
38 &slow_xtal {
39 clock-frequency = <32768>;
40 };
41
42 &main_xtal {
43 clock-frequency = <12000000>;
44 };
45
46 &ebi {
47 status = "okay";
48 nand_controller: nand-controller {
49 pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb &pinctrl_nand_oe_we>;
50 pinctrl-names = "default";
51 status = "okay";
52
53 nand@3 {
54 reg = <0x3 0x0 0x800000>;
55 rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
56 cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
57 nand-bus-width = <8>;
58 nand-ecc-mode = "hw";
59 nand-ecc-strength = <4>;
60 nand-ecc-step-size = <512>;
61 nand-on-flash-bbt;
62 label = "atmel_nand";
63
64 partitions {
65 compatible = "fixed-partitions";
66 #address-cells = <1>;
67 #size-cells = <1>;
68
69 at91bootstrap@0 {
70 label = "at91bs";
71 reg = <0x0 0x20000>;
72 };
73
74 uboot@20000 {
75 label = "u-boot";
76 reg = <0x20000 0x80000>;
77 };
78
79 ubootenv@a0000 {
80 label = "u-boot-env";
81 reg = <0xa0000 0x20000>;
82 };
83
84 ubootenv@c0000 {
85 label = "redund-env";
86 reg = <0xc0000 0x20000>;
87 };
88
89 kernel-a@e0000 {
90 label = "kernel-a";
91 reg = <0xe0000 0x280000>;
92 };
93
94 kernel-b@360000 {
95 label = "kernel-b";
96 reg = <0x360000 0x280000>;
97 };
98
99 rootfs-a@5e0000 {
100 label = "rootfs-a";
101 reg = <0x5e0000 0x2600000>;
102 };
103
104 rootfs-b@2be0000 {
105 label = "rootfs-b";
106 reg = <0x2be0000 0x2600000>;
107 };
108
109 user@51e0000 {
110 label = "user";
111 reg = <0x51e0000 0x2dc0000>;
112 };
113
114 logs@7fa0000 {
115 label = "logs";
116 reg = <0x7fa0000 0x60000>;
117 };
118
119 };
120 };
121 };
122 };
123
124 &usb0 {
125 num-ports = <2>;
126 atmel,vbus-gpio = <
127 &pioB 12 GPIO_ACTIVE_HIGH
128 &pioA 31 GPIO_ACTIVE_HIGH
129 >;
130 atmel,oc-gpio = <&pioB 13 GPIO_ACTIVE_LOW>;
131 };
132
133 &macb0 {
134 phy-mode = "rmii";
135 };
136
137 &spi0 {
138 cs-gpios = <&pioA 14 0>, <&pioA 7 0>, <0>, <0>;
139 };
140
141 &usb2 {
142 pinctrl-names = "default";
143 pinctrl-0 = <&pinctrl_board_usb2>;
144 atmel,vbus-gpio = <&pioB 11 GPIO_ACTIVE_HIGH>;
145 };
146
147 &mmc0 {
148 pinctrl-names = "default";
149 pinctrl-0 = <
150 &pinctrl_mmc0_slot0_clk_cmd_dat0
151 &pinctrl_mmc0_slot0_dat1_3>;
152 slot@0 {
153 reg = <0>;
154 bus-width = <4>;
155 };
156 };
157
158 &pinctrl {
159 usb2 {
160 pinctrl_board_usb2: usb2-board {
161 atmel,pins =
162 <AT91_PIOB 11 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; /* PB11 gpio vbus sense, deglitch */
163 };
164 };
165 };
166
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