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 {
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&usart1_clk {
50	atmel,clk-output-range = <0 132000000>;
51};
52
53&mmc0 {
54	pinctrl-names = "default";
55	pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0 &pinctrl_mmc0_dat1_3 &pinctrl_mmc0_cd>;
56	cd-gpios = <&pioC 26 GPIO_ACTIVE_LOW>;
57	slot@0 {
58		reg = <0>;
59		bus-width = <4>;
60	};
61};
62
63&mmc1 {
64	pinctrl-names = "default";
65	pinctrl-0 = <&pinctrl_mmc1_clk_cmd_dat0 &pinctrl_mmc1_dat1_3>;
66	status = "okay";
67	atheros@0 {
68		compatible = "atheros,ath6kl";
69		atheros,board-id = "SD32";
70		reg = <0>;
71		bus-width = <4>;
72	};
73};
74
75&macb1 {
76	phy-mode = "rmii";
77};
78
79&dbgu {
80	dmas = <0>, <0>;	/*  Do not use DMA for dbgu */
81};
82
83/* On BB40 this port is labeled UART1 */
84&usart0 {
85	atmel,use-dma-rx;
86	atmel,use-dma-tx;
87	pinctrl-names = "default";
88	pinctrl-0 = <&pinctrl_usart0 &pinctrl_usart0_rts_cts>;
89};
90
91/* On BB40 this port is labeled UART0 */
92&usart1 {
93	atmel,use-dma-rx;
94	atmel,use-dma-tx;
95	pinctrl-names = "default";
96	pinctrl-0 = <&pinctrl_usart1 &pinctrl_usart1_rts_cts>;
97	dtr-gpios = <&pioD 13 GPIO_ACTIVE_LOW>;
98	dsr-gpios = <&pioD 11 GPIO_ACTIVE_LOW>;
99	dcd-gpios = <&pioD 7 GPIO_ACTIVE_LOW>;
100	rng-gpios = <&pioD 8 GPIO_ACTIVE_LOW>;
101};
102
103/* USART3 is direct-connect to the Bluetooth UART on the radio SIP */
104&usart3 {
105	atmel,use-dma-rx;
106	atmel,use-dma-tx;
107	pinctrl-names = "default";
108	pinctrl-0 = <&pinctrl_usart3 &pinctrl_usart3_rts_cts>;
109	status = "okay";
110};
111
112&spi1 {
113	cs-gpios = <&pioC 25 0>, <0>, <0>, <0>;
114};
115
116&ebi {
117	pinctrl-0 = <&pinctrl_ebi_nand_addr>;
118	pinctrl-names = "default";
119	status = "okay";
120};
121
122&nand_controller {
123	status = "okay";
124
125	nand: nand@3 {
126		reg = <0x3 0x0 0x2>;
127		atmel,rb = <0>;
128		nand-bus-width = <8>;
129		nand-ecc-mode = "hw";
130		nand-ecc-strength = <8>;
131		nand-ecc-step-size = <512>;
132		nand-on-flash-bbt;
133		label = "atmel_nand";
134
135		partitions {
136			compatible = "fixed-partitions";
137			#address-cells = <1>;
138			#size-cells = <1>;
139
140			at91bootstrap@0 {
141				label = "at91bs";
142				reg = <0x0 0x20000>;
143			};
144
145			uboot@20000 {
146				label = "u-boot";
147				reg = <0x20000 0x80000>;
148			};
149
150			ubootenv@a0000 {
151				label = "u-boot-env";
152				reg = <0xa0000 0x20000>;
153			};
154
155			ubootenv@c0000 {
156				label = "u-boot-env";
157				reg = <0xc0000 0x20000>;
158			};
159
160			kernel-a@e0000 {
161				label = "kernel-a";
162				reg = <0xe0000 0x500000>;
163			};
164
165			kernel-b@5e0000 {
166				label = "kernel-b";
167				reg = <0x5e0000 0x500000>;
168			};
169
170			rootfs-a@ae0000 {
171				label = "rootfs-a";
172				reg = <0xae0000 0x3000000>;
173			};
174
175			rootfs-b@3ae0000 {
176				label = "rootfs-b";
177				reg = <0x3ae0000 0x3000000>;
178			};
179
180			user@6ae0000 {
181				label = "user";
182				reg = <0x6ae0000 0x14e0000>;
183			};
184		};
185	};
186};
187
188&usb0 {
189	atmel,vbus-gpio = <&pioB 13 GPIO_ACTIVE_LOW>;
190	pinctrl-names = "default";
191	pinctrl-0 = <&pinctrl_usba_vbus>;
192};
193
194&usb1 {
195	num-ports = <3>;
196	atmel,vbus-gpio = <&pioA 2 GPIO_ACTIVE_LOW>;
197	atmel,oc-gpio = <&pioA 4 GPIO_ACTIVE_LOW>;
198};
199