arch/arm/boot/dts/nxp/ls/ls1021a-twr.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/ls/ls1021a-twr.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/ls/ls1021a-twr.dts
Extension
.dts
Size
3685 bytes
Lines
241
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 MIT)
/*
 * Copyright 2013-2014 Freescale Semiconductor, Inc.
 * Copyright 2018 NXP
 */

/dts-v1/;
#include "ls1021a.dtsi"

/ {
	model = "LS1021A TWR Board";
	compatible = "fsl,ls1021a-twr", "fsl,ls1021a";

	aliases {
		enet2_rgmii_phy = &rgmii_phy1;
		enet0_sgmii_phy = &sgmii_phy2;
		enet1_sgmii_phy = &sgmii_phy0;
	};

	sys_mclk: clock-mclk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <24576000>;
	};

	reg_3p3v: regulator {
		compatible = "regulator-fixed";
		regulator-name = "3P3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};

	sound {
		compatible = "simple-audio-card";
		simple-audio-card,format = "i2s";
		simple-audio-card,widgets =
			"Microphone", "Microphone Jack",
			"Headphone", "Headphone Jack",
			"Speaker", "Speaker Ext",
			"Line", "Line In Jack";
		simple-audio-card,routing =
			"MIC_IN", "Microphone Jack",
			"Microphone Jack", "Mic Bias",
			"LINE_IN", "Line In Jack",
			"Headphone Jack", "HP_OUT",
			"Speaker Ext", "LINE_OUT";

		simple-audio-card,cpu {
			sound-dai = <&sai1>;
			frame-master;
			bitclock-master;
		};

		simple-audio-card,codec {
			sound-dai = <&codec>;
			frame-master;
			bitclock-master;
		};
	};

	panel: panel {
		compatible = "nec,nl4827hc19-05b";

		port {
			panel_in: endpoint {
				remote-endpoint = <&dcu_out>;
			};
		};
	};

Annotation

Implementation Notes