arch/arm64/boot/dts/qcom/msm8916-motorola-common.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/msm8916-motorola-common.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/msm8916-motorola-common.dtsi
Extension
.dtsi
Size
2458 bytes
Lines
157
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-only

#include "msm8916-pm8916.dtsi"
#include "msm8916-modem-qdsp6.dtsi"

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	aliases {
		mmc0 = &sdhc_1; /* eMMC */
		mmc1 = &sdhc_2; /* SD card */
		serial0 = &blsp_uart1;
	};

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

	gpio-keys {
		compatible = "gpio-keys";

		pinctrl-0 = <&gpio_keys_default>;
		pinctrl-names = "default";

		label = "GPIO Buttons";

		volume-up-button {
			label = "Volume Up";
			gpios = <&tlmm 107 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_VOLUMEUP>;
			debounce-interval = <15>;
		};
	};

	usb_id: usb-id {
		compatible = "linux,extcon-usb-gpio";
		id-gpios = <&tlmm 91 GPIO_ACTIVE_HIGH>;
		pinctrl-0 = <&usb_id_default>;
		pinctrl-1 = <&usb_id_sleep>;
		pinctrl-names = "default", "sleep";
	};
};

&blsp_i2c2 {
	status = "okay";

	touchscreen: touchscreen@20 {
		compatible = "syna,rmi4-i2c";
		reg = <0x20>;
		#address-cells = <1>;
		#size-cells = <0>;

		vio-supply = <&pm8916_l6>;

		syna,startup-delay-ms = <100>;

		rmi4-f01@1 {
			reg = <1>;
			syna,nosleep-mode = <1>; /* Allow sleeping */
		};

		rmi4-f11@11 {
			reg = <11>;
			syna,sensor-type = <1>; /* Touchscreen */
		};
	};
};

Annotation

Implementation Notes