arch/arm/boot/dts/microchip/at91sam9x5_macb1.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/microchip/at91sam9x5_macb1.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/microchip/at91sam9x5_macb1.dtsi
Extension
.dtsi
Size
1555 bytes
Lines
46
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
/*
 * at91sam9x5_macb1.dtsi - Device Tree Include file for AT91SAM9x5 SoC with 2
 * Ethernet interfaces.
 *
 * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
 */

#include <dt-bindings/pinctrl/at91.h>
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	ahb {
		apb {
			pinctrl@fffff400 {
				macb1 {
					pinctrl_macb1_rmii: macb1_rmii-0 {
						atmel,pins =
							<AT91_PIOC 16 AT91_PERIPH_B AT91_PINCTRL_NONE	/* PC16 periph B */
							 AT91_PIOC 18 AT91_PERIPH_B AT91_PINCTRL_NONE	/* PC18 periph B */
							 AT91_PIOC 19 AT91_PERIPH_B AT91_PINCTRL_NONE	/* PC19 periph B */
							 AT91_PIOC 20 AT91_PERIPH_B AT91_PINCTRL_NONE	/* PC20 periph B */
							 AT91_PIOC 21 AT91_PERIPH_B AT91_PINCTRL_NONE	/* PC21 periph B */
							 AT91_PIOC 27 AT91_PERIPH_B AT91_PINCTRL_NONE	/* PC27 periph B */
							 AT91_PIOC 28 AT91_PERIPH_B AT91_PINCTRL_NONE	/* PC28 periph B */
							 AT91_PIOC 29 AT91_PERIPH_B AT91_PINCTRL_NONE	/* PC29 periph B */
							 AT91_PIOC 30 AT91_PERIPH_B AT91_PINCTRL_NONE	/* PC30 periph B */
							 AT91_PIOC 31 AT91_PERIPH_B AT91_PINCTRL_NONE>;	/* PC31 periph B */
					};
				};
			};

			macb1: ethernet@f8030000 {
				compatible = "cdns,at91sam9260-macb", "cdns,macb";
				reg = <0xf8030000 0x100>;
				interrupts = <27 IRQ_TYPE_LEVEL_HIGH 3>;
				pinctrl-names = "default";
				pinctrl-0 = <&pinctrl_macb1_rmii>;
				clocks = <&pmc PMC_TYPE_PERIPHERAL 27>, <&pmc PMC_TYPE_PERIPHERAL 27>;
				clock-names = "hclk", "pclk";
				status = "disabled";
			};
		};
	};
};

Annotation

Implementation Notes