arch/arm/boot/dts/microchip/sama5d3_mci2.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/microchip/sama5d3_mci2.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/microchip/sama5d3_mci2.dtsi
Extension
.dtsi
Size
1657 bytes
Lines
50
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
/*
 * sama5d3_mci2.dtsi - Device Tree Include file for SAMA5D3 SoC with
 * 3 MMC ports
 *
 * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
 */

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

/ {
	ahb {
		apb {
			pinctrl@fffff200 {
				mmc2 {
					pinctrl_mmc2_clk_cmd_dat0: mmc2_clk_cmd_dat0 {
						atmel,pins =
							<AT91_PIOC 15 AT91_PERIPH_A AT91_PINCTRL_NONE	/* PC15 periph A MCI2_CK, conflicts with PCK2 */
							 AT91_PIOC 10 AT91_PERIPH_A AT91_PINCTRL_PULL_UP	/* PC10 periph A MCI2_CDA with pullup */
							 AT91_PIOC 11 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;	/* PC11 periph A MCI2_DA0 with pullup */
					};
					pinctrl_mmc2_dat1_3: mmc2_dat1_3 {
						atmel,pins =
							<AT91_PIOC 12 AT91_PERIPH_A AT91_PINCTRL_PULL_UP	/* PC12 periph A MCI2_DA1 with pullup, conflicts with TIOA1 */
							 AT91_PIOC 13 AT91_PERIPH_A AT91_PINCTRL_PULL_UP	/* PC13 periph A MCI2_DA2 with pullup, conflicts with TIOB1 */
							 AT91_PIOC 14 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;	/* PC14 periph A MCI2_DA3 with pullup, conflicts with TCLK1 */
					};
				};
			};

			mmc2: mmc@f8004000 {
				compatible = "atmel,hsmci";
				reg = <0xf8004000 0x600>;
				interrupts = <23 IRQ_TYPE_LEVEL_HIGH 0>;
				dmas = <&dma1 2 AT91_DMA_CFG_PER_ID(1)>;
				dma-names = "rxtx";
				pinctrl-names = "default";
				pinctrl-0 = <&pinctrl_mmc2_clk_cmd_dat0 &pinctrl_mmc2_dat1_3>;
				clocks = <&pmc PMC_TYPE_PERIPHERAL 23>;
				clock-names = "mci_clk";
				status = "disabled";
				#address-cells = <1>;
				#size-cells = <0>;
			};
		};
	};
};

Annotation

Implementation Notes