GNU Linux-libre 4.19.264-gnu1
[releases.git] / arch / arm / boot / dts / at91-wb45n.dtsi
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 {
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-0 = <
149                 &pinctrl_mmc0_slot0_clk_cmd_dat0
150                 &pinctrl_mmc0_slot0_dat1_3>;
151         slot@0 {
152                 reg = <0>;
153                 bus-width = <4>;
154         };
155 };
156
157 &pinctrl {
158         usb2 {
159                 pinctrl_board_usb2: usb2-board {
160                         atmel,pins =
161                                 <AT91_PIOB 11 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;          /* PB11 gpio vbus sense, deglitch */
162                 };
163         };
164 };
165