arch/arm/boot/dts/microchip/at91-sama5d2_ptc_ek.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/microchip/at91-sama5d2_ptc_ek.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/microchip/at91-sama5d2_ptc_ek.dts
Extension
.dts
Size
9266 bytes
Lines
436
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+ OR X11)
/*
 * at91-sama5d2_ptc_ek.dts - Device Tree file for SAMA5D2 PTC EK board
 *
 *  Copyright (C) 2017 Microchip/Atmel,
 *		  2017 Wenyou Yang <wenyou.yang@microchip.com>
 *		  2017 Ludovic Desroches <ludovic.desroches@microchip.com>
 */
/dts-v1/;
#include "sama5d2.dtsi"
#include "sama5d2-pinfunc.h"
#include <dt-bindings/mfd/atmel-flexcom.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/pinctrl/at91.h>

/ {
	model = "Atmel SAMA5D2 PTC EK";
	compatible = "atmel,sama5d2-ptc_ek", "atmel,sama5d2", "atmel,sama5";

	aliases {
		serial0 = &uart0;	/* DBGU */
		i2c0 = &i2c0;	/* mikroBUS 1 */
		i2c1 = &i2c1;	/* XPRO EXT1 */
		i2c2 = &i2c2;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

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

		main_xtal {
			clock-frequency = <24000000>;
		};
	};

	ahb {
		usb0: gadget@300000 {
			atmel,vbus-gpio = <&pioA PIN_PB11 GPIO_ACTIVE_HIGH>;
			pinctrl-names = "default";
			pinctrl-0 = <&pinctrl_usba_vbus>;
			status = "okay";
		};

		usb1: usb@400000 {
			num-ports = <3>;
			atmel,vbus-gpio = <0
					   &pioA PIN_PB12 GPIO_ACTIVE_HIGH
					   0
					  >;
			pinctrl-names = "default";
			pinctrl-0 = <&pinctrl_usb_default>;
			status = "okay";
		};

		usb2: usb@500000 {
			status = "okay";
		};

		ebi: ebi@10000000 {
			pinctrl-names = "default";
			pinctrl-0 = <&pinctrl_nand_default>;
			status = "okay"; /* conflicts with sdmmc1 and qspi0 */

			nand_controller: nand-controller {

Annotation

Implementation Notes