Commit e8274426 authored by Ben Whitten's avatar Ben Whitten Committed by Alexandre Belloni
Browse files

ARM: dts: add support for Laird WB50N cpu module and DVK 

This adds support for Lairds CPU module, featuring Atheros wifi, CSR
Bluetooth and, Atmel SAMA5D3 CPU.
https://www.lairdtech.com/products/wb50nbt-wi-fi-bluetooth-module



Signed-off-by: default avatarBen Whitten <ben.whitten@lairdtech.com>
Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent 04456555

arch/arm/boot/dts/Makefile

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@@ -52,6 +52,7 @@ dtb-$(CONFIG_SOC_SAM_V7) += \ 
	at91-sama5d2_xplained.dtb \

	at91-sama5d3_xplained.dtb \

	at91-tse850-3.dtb \

	at91-wb50n.dtb \

	sama5d31ek.dtb \

	sama5d33ek.dtb \

	sama5d34ek.dtb \

arch/arm/boot/dts/at91-wb50n.dts

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// SPDX-License-Identifier: GPL-2.0

/*

 * at91-wb50n.dts - Device Tree file for wb50n evaluation board

 *

 *  Copyright (C) 2018 Laird

 *

 */



/dts-v1/;

#include "at91-wb50n.dtsi"



/ {

	model = "Laird Workgroup Bridge 50N - Atmel SAMA5D";

	compatible = "laird,wb50n", "atmel,sama5d31", "atmel,sama5d3", "atmel,sama5";



	gpio_keys {

		compatible = "gpio-keys";

		#address-cells = <1>;

		#size-cells = <0>;



		btn0@10 {

			reg = <10>;

			label = "BTNESC";

			linux,code = <1>; /* ESC button */

			gpios = <&pioA 10 GPIO_ACTIVE_LOW>;

			gpio-key,wakeup = <1>;

		};



		irqbtn@31 {

			reg = <31>;

			label = "IRQBTN";

			linux,code = <99>; /* SysReq button */

			gpios = <&pioE 31 GPIO_ACTIVE_LOW>;

			gpio-key,wakeup = <1>;

		};

	};



	leds {

		compatible = "gpio-leds";



		led0 {

			label = "wb50n:blue:led0";

			gpios = <&pioA 12 GPIO_ACTIVE_LOW>;

			default-state = "off";

		};



		led1 {

			label = "wb50n:green:led1";

			gpios = <&pioA 24 GPIO_ACTIVE_LOW>;

			default-state = "off";

		};



		led2 {

			label = "wb50n:red:led2";

			gpios = <&pioA 26 GPIO_ACTIVE_LOW>;

			default-state = "off";

		};

	};

};



&watchdog {

	status = "okay";

};



&mmc0 {

	status = "okay";

};



&macb1 {

	status = "okay";

};



&dbgu {

	status = "okay";

};



/* On BB40 this port is labeled UART1 */

&usart0 {

	status = "okay";

};



/* On BB40 this port is labeled UART0 */

&usart1 {

	status = "okay";

};



&i2c0 {

	status = "okay";

};



&spi1 {

	status = "okay";



	spidev@0 {

		compatible = "spidev";

		reg = <0>;

		spi-max-frequency = <8000000>;

	};

};



&usb0 {

	status = "okay";

};



&usb1 {

	status = "okay";

};



&usb2 {

	status = "okay";

};

arch/arm/boot/dts/at91-wb50n.dtsi

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// SPDX-License-Identifier: GPL-2.0

/*

 * at91-wb50n.dtsi - Device Tree include file for wb50n cpu module

 *

 *  Copyright (C) 2018 Laird

 *

 */



#include "sama5d31.dtsi"



/ {

	model = "Laird Workgroup Bridge 50N - Atmel SAMA5D";

	compatible = "laird,wb50n", "atmel,sama5d31", "atmel,sama5d3", "atmel,sama5";



	chosen {

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

		stdout-path = "serial0:115200n8";

	};



	memory {

		reg = <0x20000000 0x4000000>;

	};

};



&pinctrl {

	board {

		pinctrl_mmc0_cd: mmc0_cd {

			atmel,pins = <AT91_PIOC 26 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PC26 GPIO with pullup deglitch */

		};



		pinctrl_usba_vbus: usba_vbus {

			atmel,pins = <AT91_PIOB 13 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; /* PB13 GPIO with deglitch */

		};

	};

};



&slow_xtal {

	clock-frequency = <32768>;

};



&main_xtal {

	clock-frequency = <12000000>;

};



&slow_osc {

	atmel,osc-bypass;

};



&usart1_clk {

	atmel,clk-output-range = <0 132000000>;

};



&mmc0 {

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0 &pinctrl_mmc0_dat1_3 &pinctrl_mmc0_cd>;

	cd-gpios = <&pioC 26 GPIO_ACTIVE_LOW>;

	slot@0 {

		reg = <0>;

		bus-width = <4>;

	};

};



&mmc1 {

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_mmc1_clk_cmd_dat0 &pinctrl_mmc1_dat1_3>;

	status = "okay";

	atheros@0 {

		compatible = "atheros,ath6kl";

		atheros,board-id = "SD32";

		reg = <0>;

		bus-width = <4>;

	};

};



&macb1 {

	phy-mode = "rmii";

};



&dbgu {

	dmas = <0>, <0>;	/*  Do not use DMA for dbgu */

};



/* On BB40 this port is labeled UART1 */

&usart0 {

	atmel,use-dma-rx;

	atmel,use-dma-tx;

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_usart0 &pinctrl_usart0_rts_cts>;

};



/* On BB40 this port is labeled UART0 */

&usart1 {

	atmel,use-dma-rx;

	atmel,use-dma-tx;

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_usart1 &pinctrl_usart1_rts_cts>;

	dtr-gpios = <&pioD 13 GPIO_ACTIVE_LOW>;

	dsr-gpios = <&pioD 11 GPIO_ACTIVE_LOW>;

	dcd-gpios = <&pioD 7 GPIO_ACTIVE_LOW>;

	rng-gpios = <&pioD 8 GPIO_ACTIVE_LOW>;

};



/* USART3 is direct-connect to the Bluetooth UART on the radio SIP */

&usart3 {

	atmel,use-dma-rx;

	atmel,use-dma-tx;

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_usart3 &pinctrl_usart3_rts_cts>;

	status = "okay";

};



&spi1 {

	cs-gpios = <&pioC 25 0>, <0>, <0>, <0>;

};



&ebi {

	pinctrl-0 = <&pinctrl_ebi_nand_addr>;

	pinctrl-names = "default";

	status = "okay";

};



&nand_controller {

	status = "okay";



	nand: nand@3 {

		reg = <0x3 0x0 0x2>;

		atmel,rb = <0>;

		nand-bus-width = <8>;

		nand-ecc-mode = "hw";

		nand-ecc-strength = <8>;

		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 = "u-boot-env";

				reg = <0xc0000 0x20000>;

			};



			kernel-a@e0000 {

				label = "kernel-a";

				reg = <0xe0000 0x500000>;

			};



			kernel-b@5e0000 {

				label = "kernel-b";

				reg = <0x5e0000 0x500000>;

			};



			rootfs-a@ae0000 {

				label = "rootfs-a";

				reg = <0xae0000 0x3000000>;

			};



			rootfs-b@3ae0000 {

				label = "rootfs-b";

				reg = <0x3ae0000 0x3000000>;

			};



			user@6ae0000 {

				label = "user";

				reg = <0x6ae0000 0x14e0000>;

			};

		};

	};

};



&usb0 {

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

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_usba_vbus>;

};



&usb1 {

	num-ports = <3>;

	atmel,vbus-gpio = <&pioA 2 GPIO_ACTIVE_LOW>;

	atmel,oc-gpio = <&pioA 4 GPIO_ACTIVE_LOW>;

};