arch/arm/boot/dts/intel/pxa/pxa300-raumfeld-connector.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/intel/pxa/pxa300-raumfeld-connector.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/intel/pxa/pxa300-raumfeld-connector.dts
Extension
.dts
Size
1316 bytes
Lines
74
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

/dts-v1/;

#include "pxa300-raumfeld-common.dtsi"
#include "pxa300-raumfeld-tuneable-clock.dtsi"

/ {
	model = "Raumfeld Connector (PXA3xx)";
	compatible = "raumfeld,raumfeld-connector-pxa303", "marvell,pxa300";

	sound {
		compatible = "simple-audio-card";
		simple-audio-card,name = "Raumfeld Connector";
		#address-cells = <1>;
		#size-cells = <0>;

		simple-audio-card,dai-link@0 {
			reg = <0>;
			format = "i2s";
			bitclock-master = <&dailink_master_analog>;
			frame-master = <&dailink_master_analog>;
			mclk-fs = <256>;

			dailink_master_analog: cpu {
				sound-dai = <&ssp_dai0>;
			};

			codec {
				sound-dai = <&cs4270>;
			};
		};

		simple-audio-card,dai-link@1 {
			reg = <1>;
			format = "i2s";
			bitclock-master = <&dailink_master_digital>;
			frame-master = <&dailink_master_digital>;
			mclk-fs = <256>;

			dailink_master_digital: cpu {
				sound-dai = <&ssp_dai1>;
			};

			codec {
				sound-dai = <&ak4104>;
			};
		};
	};
};

&ssp1 {
	status = "okay";
};

&ssp2 {
	status = "okay";
};

&spi {
	ak4104: optical-transmitter@0 {
		compatible = "asahi-kasei,ak4104";
		reg = <0>;
		vdd-supply = <&reg_3v3>;
		spi-max-frequency = <5000000>;
		reset-gpios = <&gpio 38 GPIO_ACTIVE_HIGH>;
		#sound-dai-cells = <0>;
	};
};

Annotation

Implementation Notes