arch/arm/boot/dts/microchip/tny_a9263.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/microchip/tny_a9263.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/microchip/tny_a9263.dts
Extension
.dts
Size
2326 bytes
Lines
127
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-only
/*
 * usb_a9263.dts - Device Tree file for Calao USB A9293 board
 *
 *  Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
 */
/dts-v1/;
#include "at91sam9263.dtsi"

/ {
	model = "Calao TNY A9263";
	compatible = "atmel,tny-a9263", "atmel,at91sam9263", "atmel,at91sam9";

	chosen {
		bootargs = "mem=64M console=ttyS0,115200 root=/dev/mtdblock5 rw rootfstype=ubifs";
	};

	memory@20000000 {
		reg = <0x20000000 0x4000000>;
	};

	clocks {
		slow_xtal {
			clock-frequency = <32768>;
		};

		main_xtal {
			clock-frequency = <12000000>;
		};
	};

	ahb {
		apb {
			dbgu: serial@ffffee00 {
				status = "okay";
			};

			tcb0: timer@fff7c000 {
				timer@0 {
					compatible = "atmel,tcb-timer";
					reg = <0>, <1>;
				};

				timer@2 {
					compatible = "atmel,tcb-timer";
					reg = <2>;
				};
			};

			usb1: gadget@fff78000 {
				atmel,vbus-gpio = <&pioB 11 GPIO_ACTIVE_HIGH>;
				status = "okay";
			};
		};

		ebi0: ebi@10000000 {
			status = "okay";

			nand_controller: nand-controller {
				status = "okay";
				pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
				pinctrl-names = "default";

				nand@3 {
					reg = <0x3 0x0 0x800000>;
					rb-gpios = <&pioA 22 GPIO_ACTIVE_HIGH>;
					cs-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>;
					nand-bus-width = <8>;
					nand-ecc-mode = "soft";
					nand-on-flash-bbt;

Annotation

Implementation Notes