arch/arm/boot/dts/qcom/qcom-ipq4019.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/qcom/qcom-ipq4019.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/qcom/qcom-ipq4019.dtsi
Extension
.dtsi
Size
18579 bytes
Lines
712
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-only
/*
 * Copyright (c) 2015, The Linux Foundation. All rights reserved.
 */

/dts-v1/;

#include <dt-bindings/clock/qcom,gcc-ipq4019.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	#address-cells = <1>;
	#size-cells = <1>;

	model = "Qualcomm Technologies, Inc. IPQ4019";
	compatible = "qcom,ipq4019";
	interrupt-parent = <&intc>;

	reserved-memory {
		#address-cells = <0x1>;
		#size-cells = <0x1>;
		ranges;

		smem_region: smem@87e00000 {
			reg = <0x87e00000 0x080000>;
			no-map;
		};

		tz@87e80000 {
			reg = <0x87e80000 0x180000>;
			no-map;
		};
	};

	aliases {
		spi0 = &blsp1_spi1;
		spi1 = &blsp1_spi2;
		i2c0 = &blsp1_i2c3;
		i2c1 = &blsp1_i2c4;
	};

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;
		cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a7";
			enable-method = "qcom,kpss-acc-v2";
			next-level-cache = <&l2>;
			qcom,acc = <&acc0>;
			qcom,saw = <&saw0>;
			reg = <0x0>;
			clocks = <&gcc GCC_APPS_CLK_SRC>;
			clock-frequency = <0>;
			operating-points-v2 = <&cpu0_opp_table>;
		};

		cpu@1 {
			device_type = "cpu";
			compatible = "arm,cortex-a7";
			enable-method = "qcom,kpss-acc-v2";
			next-level-cache = <&l2>;
			qcom,acc = <&acc1>;
			qcom,saw = <&saw1>;
			reg = <0x1>;
			clocks = <&gcc GCC_APPS_CLK_SRC>;
			clock-frequency = <0>;
			operating-points-v2 = <&cpu0_opp_table>;
		};

Annotation

Implementation Notes