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