arch/arm/boot/dts/gemini/gemini-dlink-dir-685.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/gemini/gemini-dlink-dir-685.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/gemini/gemini-dlink-dir-685.dts
Extension
.dts
Size
11440 bytes
Lines
493
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 "gemini.dtsi"
#include <dt-bindings/input/input.h>

/ {
	model = "D-Link DIR-685 Xtreme N Storage Router";
	compatible = "dlink,dir-685", "cortina,gemini";
	#address-cells = <1>;
	#size-cells = <1>;

	memory@0 {
		/* 128 MB SDRAM in 2 x Hynix HY5DU121622DTP-D43 */
		device_type = "memory";
		reg = <0x00000000 0x8000000>;
	};

	chosen {
		bootargs = "console=ttyS0,19200n8 root=/dev/sda1 rw rootwait consoleblank=300";
		stdout-path = "uart0:19200n8";
	};

	gpio_keys {
		compatible = "gpio-keys";

		button-reset {
			debounce-interval = <100>;
			wakeup-source;
			linux,code = <KEY_RESTART>;
			label = "reset";
			/* Collides with LPC_LAD[0], UART DCD, SSP 97RST */
			gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
		};
		button-eject {
			debounce-interval = <100>;
			wakeup-source;
			linux,code = <KEY_EJECTCD>;
			label = "unmount";
			/* Collides with LPC LFRAME, UART RTS, SSP TXD */
			gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
		};
	};

	vdisp: regulator {
		compatible = "regulator-fixed";
		regulator-name = "display-power";
		regulator-min-microvolt = <3600000>;
		regulator-max-microvolt = <3600000>;
		/* Collides with LCD E */
		gpio = <&gpio0 16 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	spi {
		compatible = "spi-gpio";
		#address-cells = <1>;
		#size-cells = <0>;

		/* Collides with IDE pins, that's cool (we do not use them) */
		sck-gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>;
		miso-gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
		mosi-gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
		cs-gpios = <&gpio0 20 GPIO_ACTIVE_LOW>;
		num-chipselects = <1>;

		panel: display@0 {
			compatible = "dlink,dir-685-panel", "ilitek,ili9322";
			reg = <0>;
			/* 50 ns min period = 20 MHz */
			spi-max-frequency = <20000000>;

Annotation

Implementation Notes