arch/arm/boot/dts/allwinner/sun7i-a20-wexler-tab7200.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/allwinner/sun7i-a20-wexler-tab7200.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/allwinner/sun7i-a20-wexler-tab7200.dts
Extension
.dts
Size
5083 bytes
Lines
226
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

/dts-v1/;
#include "sun7i-a20.dtsi"
#include "sunxi-common-regulators.dtsi"

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

/ {
	model = "Wexler TAB7200";
	compatible = "wexler,tab7200", "allwinner,sun7i-a20";

	aliases {
		serial0 = &uart0;
	};

	backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
		brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
		default-brightness-level = <8>;
		enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */
		power-supply = <&reg_vcc3v3>;
	};

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

&codec {
	allwinner,pa-gpios = <&pio 7 15 GPIO_ACTIVE_HIGH>; /* PH15 */
	status = "okay";
};

&cpu0 {
	cpu-supply = <&reg_dcdc2>;
};

&ehci0 {
	status = "okay";
};

&ehci1 {
	status = "okay";
};

&i2c0 {
	status = "okay";

	axp209: pmic@34 {
		reg = <0x34>;
		interrupt-parent = <&nmi_intc>;
		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
	};
};

#include "axp209.dtsi"

&i2c1 {
	status = "okay";
};

&i2c2 {
	status = "okay";

	gt911: touchscreen@5d {
		compatible = "goodix,gt911";
		reg = <0x5d>;

Annotation

Implementation Notes