arch/arm64/boot/dts/qcom/msm8998-mtp.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/msm8998-mtp.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/msm8998-mtp.dts
Extension
.dts
Size
8613 bytes
Lines
451
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
/* Copyright (c) 2016, The Linux Foundation. All rights reserved. */

/dts-v1/;

#include "msm8998.dtsi"
#include "pm8005.dtsi"
#include "pm8998.dtsi"
#include "pmi8998.dtsi"

/ {
	model = "Qualcomm Technologies, Inc. MSM8998 v1 MTP";
	compatible = "qcom,msm8998-mtp", "qcom,msm8998";
	chassis-type = "handset";

	qcom,board-id = <8 0>;

	aliases {
		serial0 = &blsp2_uart1;
		serial1 = &blsp1_uart3;
	};

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

	vph_pwr: vph-pwr-regulator {
		compatible = "regulator-fixed";
		regulator-name = "vph_pwr";
		regulator-always-on;
		regulator-boot-on;
	};
};

&blsp1_uart3 {
	status = "okay";

	bluetooth {
		compatible = "qcom,wcn3990-bt";

		vddio-supply = <&vreg_s4a_1p8>;
		vddxo-supply = <&vreg_l7a_1p8>;
		vddrf-supply = <&vreg_l17a_1p3>;
		vddch0-supply = <&vreg_l25a_3p3>;
		max-speed = <3200000>;
	};
};

&blsp1_uart3_on {
	rx-pins {
		/delete-property/ bias-disable;
		/*
		 * Configure a pull-up on 45 (RX). This is needed to
		 * avoid garbage data when the TX pin of the Bluetooth
		 * module is in tri-state (module powered off or not
		 * driving the signal yet).
		 */
		bias-pull-up;
	};

	cts-pins {
		/delete-property/ bias-disable;
		/*
		 * Configure a pull-down on 47 (CTS) to match the pull
		 * of the Bluetooth module.
		 */
		bias-pull-down;
	};
};

Annotation

Implementation Notes