Commit 04456555 authored by Ben Whitten's avatar Ben Whitten Committed by Alexandre Belloni
Browse files

ARM: dts: add support for Laird WB45N cpu module and DVK 

This adds support for Lairds combo CPU module, featuring on board
Atheros wifi, CSR Bluetooth radio and, Atmel CPU.
https://www.lairdtech.com/products/wb45nbt



Signed-off-by: default avatarBen Whitten <ben.whitten@lairdtech.com>
Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent fc372044

arch/arm/boot/dts/Makefile

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@@ -38,6 +38,7 @@ dtb-$(CONFIG_SOC_AT91SAM9) += \ 
	at91-ariettag25.dtb \

	at91-cosino_mega2560.dtb \

	at91-kizboxmini.dtb \

	at91-wb45n.dtb \

	at91sam9g15ek.dtb \

	at91sam9g25ek.dtb \

	at91sam9g35ek.dtb \

arch/arm/boot/dts/at91-wb45n.dts

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// SPDX-License-Identifier: GPL-2.0

/*

 * at91-wb45n.dts - Device Tree file for WB45NBT board

 *

 *  Copyright (C) 2018 Laird

 *

 */

/dts-v1/;

#include "at91-wb45n.dtsi"



/ {

	model = "Laird Workgroup Bridge 45N - Atmel AT91SAM (dt)";

	compatible = "laird,wb45n", "laird,wbxx", "atmel,at91sam9x5", "atmel,at91sam9";



	gpio_keys {

		compatible = "gpio-keys";

		#address-cells = <1>;

		#size-cells = <0>;



		irqbtn@18 {

			reg = <18>;

			label = "IRQBTN";

			linux,code = <99>;

			gpios = <&pioB 18 GPIO_ACTIVE_LOW>;

			gpio-key,wakeup = <1>;

		};

	};

};



&watchdog {

	status = "okay";

};



&usb0 {

	status = "okay";

};



&mmc0 {

	status = "okay";

};



&spi0 {

	status = "okay";

};



&macb0 {

	status = "okay";

};



&dbgu {

	status = "okay";

};



&usart0 {

	status = "okay";

};



&usart3 {

	status = "okay";

};



&i2c1 {

	status = "okay";

};

arch/arm/boot/dts/at91-wb45n.dtsi

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// SPDX-License-Identifier: GPL-2.0

/*

 * at91-wb45n.dtsi - Device Tree file for WB45NBT board

 *

 *  Copyright (C) 2018 Laird

 *

 */



#include "at91sam9g25.dtsi"



/ {

	model = "Laird Workgroup Bridge 45N - Atmel AT91SAM (dt)";

	compatible = "laird,wb45n", "laird,wbxx", "atmel,at91sam9x5", "atmel,at91sam9";



	chosen {

		bootargs = "ubi.mtd=6 root=ubi0:rootfs rootfstype=ubifs rw";

		stdout-path = "serial0:115200n8";

	};



	memory {

		reg = <0x20000000 0x4000000>;

	};



	atheros {

		compatible = "atheros,ath6kl";

		atheros,board-id = "SD32";

	};

};



&reset_controller {

	compatible = "atmel,sama5d3-rstc";

};



&shutdown_controller {

	atmel,wakeup-mode = "low";

};



&slow_xtal {

	clock-frequency = <32768>;

};



&main_xtal {

	clock-frequency = <12000000>;

};



&ebi {

	status = "okay";

	nand_controller: nand-controller {

		pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb &pinctrl_nand_oe_we>;

		pinctrl-names = "default";

		status = "okay";



		nand@3 {

			reg = <0x3 0x0 0x800000>;

			rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;

			cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;

			nand-bus-width = <8>;

			nand-ecc-mode = "hw";

			nand-ecc-strength = <4>;

			nand-ecc-step-size = <512>;

			nand-on-flash-bbt;

			label = "atmel_nand";



			partitions {

				compatible = "fixed-partitions";

				#address-cells = <1>;

				#size-cells = <1>;



				at91bootstrap@0 {

					label = "at91bs";

					reg = <0x0 0x20000>;

				};



				uboot@20000 {

					label = "u-boot";

					reg = <0x20000 0x80000>;

				};



				ubootenv@a0000 {

					label = "u-boot-env";

					reg = <0xa0000 0x20000>;

				};



				ubootenv@c0000 {

					label = "redund-env";

					reg = <0xc0000 0x20000>;

				};



				kernel-a@e0000 {

					label = "kernel-a";

					reg = <0xe0000 0x280000>;

				};



				kernel-b@360000 {

					label = "kernel-b";

					reg = <0x360000 0x280000>;

				};



				rootfs-a@5e0000 {

					label = "rootfs-a";

					reg = <0x5e0000 0x2600000>;

				};



				rootfs-b@2be0000 {

					label = "rootfs-b";

					reg = <0x2be0000 0x2600000>;

				};



				user@51e0000 {

					label = "user";

					reg = <0x51e0000 0x2dc0000>;

				};



				logs@7fa0000 {

					label = "logs";

					reg = <0x7fa0000 0x60000>;

				};



			};

		};

	};

};



&usb0 {

	num-ports = <2>;

	atmel,vbus-gpio = <

		&pioB 12 GPIO_ACTIVE_HIGH

		&pioA 31 GPIO_ACTIVE_HIGH

		>;

	atmel,oc-gpio = <&pioB 13 GPIO_ACTIVE_LOW>;

};



&macb0 {

	phy-mode = "rmii";

};



&spi0 {

	cs-gpios = <&pioA 14 0>, <&pioA 7 0>, <0>, <0>;

};



&usb2 {

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_board_usb2>;

	atmel,vbus-gpio = <&pioB 11 GPIO_ACTIVE_HIGH>;

};



&mmc0 {

	pinctrl-0 = <

		&pinctrl_mmc0_slot0_clk_cmd_dat0

		&pinctrl_mmc0_slot0_dat1_3>;

	slot@0 {

		reg = <0>;

		bus-width = <4>;

	};

};



&pinctrl {

	usb2 {

		pinctrl_board_usb2: usb2-board {

			atmel,pins =

				<AT91_PIOB 11 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;		/* PB11 gpio vbus sense, deglitch */

		};

	};

};