arch/arm64/boot/dts/qcom/qcs404-evb.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/qcs404-evb.dtsi
Extension
.dtsi
Size
6869 bytes
Lines
390
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) 2018, Linaro Limited
 */

#include <dt-bindings/gpio/gpio.h>
#include "qcs404.dtsi"
#include "pms405.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>

/ {
	aliases {
		serial0 = &blsp1_uart2;
		serial1 = &blsp1_uart3;
	};

	chosen {
		stdout-path = "serial0";
	};

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

	vdd_ch0_3p3:
	vdd_esmps3_3p3: vdd-esmps3-3p3-regulator {
		compatible = "regulator-fixed";
		regulator-name = "eSMPS3_3P3";

		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};

	usb3_vbus_reg: regulator-usb3-vbus {
		compatible = "regulator-fixed";
		regulator-name = "VBUS_BOOST_5V";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&pms405_gpios 3 GPIO_ACTIVE_HIGH>;
		pinctrl-names = "default";
		pinctrl-0 = <&usb_vbus_boost_pin>;
		vin-supply = <&vph_pwr>;
		enable-active-high;

		/* TODO: Drop this when introducing role switching */
		regulator-always-on;
	};
};

&blsp1_uart3 {
	status = "okay";

	bluetooth {
		compatible = "qcom,wcn3990-bt";
		vddio-supply = <&vreg_l6_1p8>;
		vddxo-supply = <&vreg_l5_1p8>;
		vddrf-supply = <&vreg_l1_1p3>;
		vddch0-supply = <&vdd_ch0_3p3>;

		local-bd-address = [ 00 00 00 00 00 00 ];

		max-speed = <3200000>;
	};
};

Annotation

Implementation Notes