arch/arm/boot/dts/qcom/qcom-ipq4019-ap.dk01.1.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/qcom/qcom-ipq4019-ap.dk01.1.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/qcom/qcom-ipq4019-ap.dk01.1.dtsi
Extension
.dtsi
Size
1978 bytes
Lines
102
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

#include <dt-bindings/gpio/gpio.h>
#include "qcom-ipq4019.dtsi"

/ {
	model = "Qualcomm Technologies, Inc. IPQ4019/AP-DK01.1";

	aliases {
		serial0 = &blsp1_uart1;
	};

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

&prng {
	status = "okay";
};

&tlmm {
	serial_pins: serial-state {
		pins = "gpio60", "gpio61";
		function = "blsp_uart0";
		bias-disable;
	};

	spi_0_pins: spi-0-state {
		spi0-pins {
			pins = "gpio55", "gpio56", "gpio57";
			function = "blsp_spi0";
			drive-strength = <12>;
			bias-disable;
		};
		spi0-cs-pins {
			pins = "gpio54";
			function = "gpio";
			drive-strength = <2>;
			bias-disable;
			output-high;
		};
	};
};

&blsp_dma {
	status = "okay";
};

&blsp1_spi1 {
	pinctrl-0 = <&spi_0_pins>;
	pinctrl-names = "default";
	status = "okay";
	cs-gpios = <&tlmm 54 GPIO_ACTIVE_HIGH>;

	flash@0 {
		reg = <0>;
		compatible = "jedec,spi-nor";
		spi-max-frequency = <24000000>;
	};
};

&blsp1_uart1 {
	pinctrl-0 = <&serial_pins>;
	pinctrl-names = "default";
	status = "okay";
};

&cryptobam {
	status = "okay";
};

Annotation

Implementation Notes