arch/arm/boot/dts/microchip/at91sam9x5_isi.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/microchip/at91sam9x5_isi.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/microchip/at91sam9x5_isi.dtsi
Extension
.dtsi
Size
2339 bytes
Lines
63
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_isi.dtsi - Device Tree Include file for AT91SAM9x5 SoC with an
 * Image Sensor Interface.
 *
 * 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 {
				isi {
					pinctrl_isi_data_0_7: isi-0-data-0-7 {
						atmel,pins =
							<AT91_PIOC 0 AT91_PERIPH_B AT91_PINCTRL_NONE	/* ISI_D0, conflicts with LCDDAT0 */
							AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE	/* ISI_D1, conflicts with LCDDAT1 */
							AT91_PIOC 2 AT91_PERIPH_B AT91_PINCTRL_NONE	/* ISI_D2, conflicts with LCDDAT2 */
							AT91_PIOC 3 AT91_PERIPH_B AT91_PINCTRL_NONE	/* ISI_D3, conflicts with LCDDAT3 */
							AT91_PIOC 4 AT91_PERIPH_B AT91_PINCTRL_NONE	/* ISI_D4, conflicts with LCDDAT4 */
							AT91_PIOC 5 AT91_PERIPH_B AT91_PINCTRL_NONE	/* ISI_D5, conflicts with LCDDAT5 */
							AT91_PIOC 6 AT91_PERIPH_B AT91_PINCTRL_NONE	/* ISI_D6, conflicts with LCDDAT6 */
							AT91_PIOC 7 AT91_PERIPH_B AT91_PINCTRL_NONE	/* ISI_D7, conflicts with LCDDAT7 */
							AT91_PIOC 12 AT91_PERIPH_B AT91_PINCTRL_NONE	/* ISI_PCK, conflicts with LCDDAT12 */
							AT91_PIOC 14 AT91_PERIPH_B AT91_PINCTRL_NONE	/* ISI_HSYNC, conflicts with LCDDAT14 */
							AT91_PIOC 13 AT91_PERIPH_B AT91_PINCTRL_NONE>;	/* ISI_VSYNC, conflicts with LCDDAT13 */
					};

					pinctrl_isi_data_8_9: isi-0-data-8-9 {
						atmel,pins =
							<AT91_PIOC 8 AT91_PERIPH_B AT91_PINCTRL_NONE	/* ISI_D8, conflicts with LCDDAT8 */
							AT91_PIOC 9 AT91_PERIPH_B AT91_PINCTRL_NONE>;	/* ISI_D9, conflicts with LCDDAT9 */
					};

					pinctrl_isi_data_10_11: isi-0-data-10-11 {
						atmel,pins =
							<AT91_PIOC 10 AT91_PERIPH_B AT91_PINCTRL_NONE	/* ISI_D10, conflicts with LCDDAT10 */
							AT91_PIOC 11 AT91_PERIPH_B AT91_PINCTRL_NONE>;	/* ISI_D11, conflicts with LCDDAT11 */
					};
				};
			};

			isi: isi@f8048000 {
				compatible = "atmel,at91sam9g45-isi";
				reg = <0xf8048000 0x4000>;
				interrupts = <25 IRQ_TYPE_LEVEL_HIGH 5>;
				pinctrl-names = "default";
				pinctrl-0 = <&pinctrl_isi_data_0_7>;
				clocks = <&pmc PMC_TYPE_PERIPHERAL 25>;
				clock-names = "isi_clk";
				status = "disabled";
				port {
					#address-cells = <1>;
					#size-cells = <0>;
				};
			};
		};
	};
};

Annotation

Implementation Notes