arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts
Extension
.dts
Size
1871 bytes
Lines
105
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: BSD-3-Clause
/*
 * IPQ5332 RDP468 board device tree source
 *
 * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
 */

/dts-v1/;

#include "ipq5332-rdp-common.dtsi"

/ {
	model = "Qualcomm Technologies, Inc. IPQ5332 MI01.6";
	compatible = "qcom,ipq5332-ap-mi01.6", "qcom,ipq5332";

	regulator_fixed_5p0: regulator-s0500 {
		compatible = "regulator-fixed";
		regulator-min-microvolt = <500000>;
		regulator-max-microvolt = <500000>;
		regulator-boot-on;
		regulator-always-on;
		regulator-name = "fixed_5p0";
	};
};

&blsp1_spi0 {
	pinctrl-0 = <&spi_0_data_clk_pins &spi_0_cs_pins>;
	pinctrl-names = "default";
	status = "okay";

	flash@0 {
		compatible = "micron,n25q128a11", "jedec,spi-nor";
		reg = <0>;
		#address-cells = <1>;
		#size-cells = <1>;
		spi-max-frequency = <50000000>;
	};
};

&sdhc {
	bus-width = <4>;
	max-frequency = <192000000>;
	mmc-ddr-1_8v;
	mmc-hs200-1_8v;
	non-removable;
	pinctrl-0 = <&sdc_default_state>;
	pinctrl-names = "default";
	status = "okay";
};

/* PINCTRL */

&tlmm {
	sdc_default_state: sdc-default-state {
		clk-pins {
			pins = "gpio13";
			function = "sdc_clk";
			drive-strength = <8>;
			bias-disable;
		};

		cmd-pins {
			pins = "gpio12";
			function = "sdc_cmd";
			drive-strength = <8>;
			bias-pull-up;
		};

		data-pins {
			pins = "gpio8", "gpio9", "gpio10", "gpio11";

Annotation

Implementation Notes