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

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/microchip/at91-wb50n.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/microchip/at91-wb50n.dtsi
Extension
.dtsi
Size
3674 bytes
Lines
195
Domain
Architecture Layer
Bucket
arch/arm
Inferred role
Architecture Layer: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// 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@20000000 {
		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>;
};

&clk32k {
	atmel,osc-bypass;
};

&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>;
	};
};

Annotation

Implementation Notes