1// SPDX-License-Identifier: GPL-2.0
2/*
3 * at91-wb50n.dtsi - Device Tree include file for wb50n cpu module
4 *
5 *  Copyright (C) 2018 Laird
6 *
7 */
8
9#include "sama5d31.dtsi"
10
11/ {
12	model = "Laird Workgroup Bridge 50N - Atmel SAMA5D";
13	compatible = "laird,wb50n", "atmel,sama5d31", "atmel,sama5d3", "atmel,sama5";
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
25&pinctrl {
26	board {
27		pinctrl_mmc0_cd: mmc0_cd {
28			atmel,pins = <AT91_PIOC 26 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PC26 GPIO with pullup deglitch */
29		};
30
31		pinctrl_usba_vbus: usba_vbus {
32			atmel,pins = <AT91_PIOB 13 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; /* PB13 GPIO with deglitch */
33		};
34	};
35};
36
37&slow_xtal {
38	clock-frequency = <32768>;
39};
40
41&main_xtal {
42	clock-frequency = <12000000>;
43};
44
45&clk32k {
46	atmel,osc-bypass;
47};
48
49&mmc0 {
50	pinctrl-names = "default";
51	pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0 &pinctrl_mmc0_dat1_3 &pinctrl_mmc0_cd>;
52	cd-gpios = <&pioC 26 GPIO_ACTIVE_LOW>;
53	slot@0 {
54		reg = <0>;
55		bus-width = <4>;
56	};
57};
58
59&mmc1 {
60	pinctrl-names = "default";
61	pinctrl-0 = <&pinctrl_mmc1_clk_cmd_dat0 &pinctrl_mmc1_dat1_3>;
62	status = "okay";
63	atheros@0 {
64		compatible = "atheros,ath6kl";
65		atheros,board-id = "SD32";
66		reg = <0>;
67		bus-width = <4>;
68	};
69};
70
71&macb1 {
72	phy-mode = "rmii";
73};
74
75&dbgu {
76	dmas = <0>, <0>;	/*  Do not use DMA for dbgu */
77};
78
79/* On BB40 this port is labeled UART1 */
80&usart0 {
81	atmel,use-dma-rx;
82	atmel,use-dma-tx;
83	pinctrl-names = "default";
84	pinctrl-0 = <&pinctrl_usart0 &pinctrl_usart0_rts_cts>;
85};
86
87/* On BB40 this port is labeled UART0 */
88&usart1 {
89	atmel,use-dma-rx;
90	atmel,use-dma-tx;
91	pinctrl-names = "default";
92	pinctrl-0 = <&pinctrl_usart1 &pinctrl_usart1_rts_cts>;
93	dtr-gpios = <&pioD 13 GPIO_ACTIVE_LOW>;
94	dsr-gpios = <&pioD 11 GPIO_ACTIVE_LOW>;
95	dcd-gpios = <&pioD 7 GPIO_ACTIVE_LOW>;
96	rng-gpios = <&pioD 8 GPIO_ACTIVE_LOW>;
97};
98
99/* USART3 is direct-connect to the Bluetooth UART on the radio SIP */
100&usart3 {
101	atmel,use-dma-rx;
102	atmel,use-dma-tx;
103	pinctrl-names = "default";
104	pinctrl-0 = <&pinctrl_usart3 &pinctrl_usart3_rts_cts>;
105	status = "okay";
106};
107
108&spi1 {
109	cs-gpios = <&pioC 25 0>, <0>, <0>, <0>;
110};
111
112&ebi {
113	pinctrl-0 = <&pinctrl_ebi_nand_addr>;
114	pinctrl-names = "default";
115	status = "okay";
116};
117
118&nand_controller {
119	status = "okay";
120
121	nand: nand@3 {
122		reg = <0x3 0x0 0x2>;
123		atmel,rb = <0>;
124		nand-bus-width = <8>;
125		nand-ecc-mode = "hw";
126		nand-ecc-strength = <8>;
127		nand-ecc-step-size = <512>;
128		nand-on-flash-bbt;
129		label = "atmel_nand";
130
131		partitions {
132			compatible = "fixed-partitions";
133			#address-cells = <1>;
134			#size-cells = <1>;
135
136			at91bootstrap@0 {
137				label = "at91bs";
138				reg = <0x0 0x20000>;
139			};
140
141			uboot@20000 {
142				label = "u-boot";
143				reg = <0x20000 0x80000>;
144			};
145
146			ubootenv@a0000 {
147				label = "u-boot-env";
148				reg = <0xa0000 0x20000>;
149			};
150
151			ubootenv@c0000 {
152				label = "u-boot-env";
153				reg = <0xc0000 0x20000>;
154			};
155
156			kernel-a@e0000 {
157				label = "kernel-a";
158				reg = <0xe0000 0x500000>;
159			};
160
161			kernel-b@5e0000 {
162				label = "kernel-b";
163				reg = <0x5e0000 0x500000>;
164			};
165
166			rootfs-a@ae0000 {
167				label = "rootfs-a";
168				reg = <0xae0000 0x3000000>;
169			};
170
171			rootfs-b@3ae0000 {
172				label = "rootfs-b";
173				reg = <0x3ae0000 0x3000000>;
174			};
175
176			user@6ae0000 {
177				label = "user";
178				reg = <0x6ae0000 0x14e0000>;
179			};
180		};
181	};
182};
183
184&usb0 {
185	atmel,vbus-gpio = <&pioB 13 GPIO_ACTIVE_LOW>;
186	pinctrl-names = "default";
187	pinctrl-0 = <&pinctrl_usba_vbus>;
188};
189
190&usb1 {
191	num-ports = <3>;
192	atmel,vbus-gpio = <&pioA 2 GPIO_ACTIVE_LOW>;
193	atmel,oc-gpio = <&pioA 4 GPIO_ACTIVE_LOW>;
194};
195