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};