arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts
Extension
.dts
Size
5103 bytes
Lines
279
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

/dts-v1/;

#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>
#include <dt-bindings/leds/common.h>

/*
 * NOTE: The original firmware from Acer can only boot 32-bit kernels.
 * To boot this device tree using arm64 it is necessary to flash 64-bit
 * TZ/HYP firmware (e.g. taken from the DragonBoard 410c).
 * See https://wiki.postmarketos.org/wiki/Acer_Iconia_Talk_S_(acer-a1-724)
 * for suggested installation instructions.
 */

/ {
	model = "Acer Iconia Talk S A1-724";
	compatible = "acer,a1-724", "qcom,msm8916";
	chassis-type = "tablet";

	aliases {
		mmc0 = &sdhc_1; /* eMMC */
		mmc1 = &sdhc_2; /* SD card */
		serial0 = &blsp_uart2;
	};

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

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

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

		label = "GPIO Buttons";

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

	usb_id: usb-id {
		compatible = "linux,extcon-usb-gpio";
		id-gpios = <&tlmm 110 GPIO_ACTIVE_HIGH>;
		pinctrl-names = "default";
		pinctrl-0 = <&usb_id_default>;
	};
};

&blsp_i2c2 {
	status = "okay";

	accelerometer@10 {
		compatible = "bosch,bmc150_accel";
		reg = <0x10>;
		interrupt-parent = <&tlmm>;
		interrupts = <115 IRQ_TYPE_EDGE_RISING>;

		vdd-supply = <&pm8916_l17>;
		vddio-supply = <&pm8916_l6>;

Annotation

Implementation Notes