arch/arm64/boot/dts/actions/s900-bubblegum-96.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/actions/s900-bubblegum-96.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/actions/s900-bubblegum-96.dts
Extension
.dts
Size
8252 bytes
Lines
315
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)
/*
 * Copyright (c) 2017 Andreas Färber
 */

/dts-v1/;

#include "s900.dtsi"

/ {
	compatible = "ucrobotics,bubblegum-96", "actions,s900";
	model = "Bubblegum-96";

	aliases {
		mmc0 = &mmc0;
		mmc1 = &mmc1;
		mmc2 = &mmc2;
		serial5 = &uart5;
	};

	chosen {
		stdout-path = "serial5:115200n8";
	};

	memory@0 {
		device_type = "memory";
		reg = <0x0 0x0 0x0 0x80000000>;
	};

	/* Fixed regulator used in the absence of PMIC */
	vcc_3v1: vcc-3v1 {
		compatible = "regulator-fixed";
		regulator-name = "fixed-3.1V";
		regulator-min-microvolt = <3100000>;
		regulator-max-microvolt = <3100000>;
		regulator-always-on;
	};

	/* Fixed regulator used in the absence of PMIC */
	sd_vcc: sd-vcc {
		compatible = "regulator-fixed";
		regulator-name = "fixed-3.1V";
		regulator-min-microvolt = <3100000>;
		regulator-max-microvolt = <3100000>;
		regulator-always-on;
	};
};

&i2c0 {
	status = "disabled";
	pinctrl-names = "default";
	pinctrl-0 = <&i2c0_default>;
};

&i2c1 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&i2c1_default>;
};

&i2c2 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&i2c2_default>;
};

/*
 * GPIO name legend: proper name = the GPIO line is used as GPIO
 *         NC = not connected (pin out but not routed from the chip to
 *              anything the board)

Annotation

Implementation Notes