arch/arm64/boot/dts/freescale/fsl-ls1043a-qds.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/fsl-ls1043a-qds.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/fsl-ls1043a-qds.dts
Extension
.dts
Size
5676 bytes
Lines
325
Domain
Architecture Layer
Bucket
arch/arm64
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 MIT)
/*
 * Device Tree Include file for Freescale Layerscape-1043A family SoC.
 *
 * Copyright 2014-2015 Freescale Semiconductor, Inc.
 * Copyright 2018-2021 NXP
 *
 * Mingkai Hu <Mingkai.hu@freescale.com>
 */

/dts-v1/;
#include "fsl-ls1043a.dtsi"

/ {
	model = "LS1043A QDS Board";
	compatible = "fsl,ls1043a-qds", "fsl,ls1043a";

	aliases {
		gpio0 = &gpio1;
		gpio1 = &gpio2;
		gpio2 = &gpio3;
		gpio3 = &gpio4;
		serial0 = &duart0;
		serial1 = &duart1;
		serial2 = &duart2;
		serial3 = &duart3;
		sgmii-riser-s1-p1 = &sgmii_phy_s1_p1;
		sgmii-riser-s2-p1 = &sgmii_phy_s2_p1;
		sgmii-riser-s3-p1 = &sgmii_phy_s3_p1;
		sgmii-riser-s4-p1 = &sgmii_phy_s4_p1;
		qsgmii-s1-p1 = &qsgmii_phy_s1_p1;
		qsgmii-s1-p2 = &qsgmii_phy_s1_p2;
		qsgmii-s1-p3 = &qsgmii_phy_s1_p3;
		qsgmii-s1-p4 = &qsgmii_phy_s1_p4;
		qsgmii-s2-p1 = &qsgmii_phy_s2_p1;
		qsgmii-s2-p2 = &qsgmii_phy_s2_p2;
		qsgmii-s2-p3 = &qsgmii_phy_s2_p3;
		qsgmii-s2-p4 = &qsgmii_phy_s2_p4;
		emi1-slot1 = &ls1043mdio_s1;
		emi1-slot2 = &ls1043mdio_s2;
		emi1-slot3 = &ls1043mdio_s3;
		emi1-slot4 = &ls1043mdio_s4;
	};

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

&duart0 {
	status = "okay";
};

&duart1 {
	status = "okay";
};

&ifc {
	#address-cells = <2>;
	#size-cells = <1>;
	/* NOR, NAND Flashes and FPGA on board */
	ranges = <0x0 0x0 0x0 0x60000000 0x08000000
		  0x1 0x0 0x0 0x7e800000 0x00010000
		  0x2 0x0 0x0 0x7fb00000 0x00000100>;
	status = "okay";

	flash@0,0 {
		compatible = "cfi-flash";
		reg = <0x0 0x0 0x8000000>;
		big-endian;

Annotation

Implementation Notes