arch/arm/boot/dts/gemini/gemini-sl93512r.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/gemini/gemini-sl93512r.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/gemini/gemini-sl93512r.dts
Extension
.dts
Size
6349 bytes
Lines
295
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

// SPDX-License-Identifier: GPL-2.0
/*
 * Device Tree file for the Storm Semiconductor SL93512R_BRD
 * Gemini reference design, also initially called
 * "Gemini324 EV-Board" before Storm acquired Storlink Semiconductor.
 * The series were later acquired by Cortina Systems.
 */

/dts-v1/;

#include "gemini.dtsi"
#include <dt-bindings/input/input.h>

/ {
	model = "Storlink Semiconductor Gemini324 EV-Board / Storm Semiconductor SL93512R_BRD";
	compatible = "storlink,gemini324", "storm,sl93512r", "cortina,gemini";
	#address-cells = <1>;
	#size-cells = <1>;

	memory@0 {
		/* 64 MB Samsung K4H511638B */
		device_type = "memory";
		reg = <0x00000000 0x4000000>;
	};

	chosen {
		bootargs = "console=ttyS0,19200n8 root=/dev/mtdblock3 rw rootfstype=squashfs,jffs2 rootwait";
		stdout-path = &uart0;
	};

	gpio_keys {
		compatible = "gpio-keys";

		button-wps {
			debounce-interval = <50>;
			wakeup-source;
			linux,code = <KEY_WPS_BUTTON>;
			label = "WPS";
			/* Conflicts with TVC and extended flash */
			gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
		};

		button-setup {
			debounce-interval = <50>;
			wakeup-source;
			linux,code = <KEY_RESTART>;
			label = "factory reset";
			/* Conflict with NAND flash */
			gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
		};
	};

	leds {
		compatible = "gpio-leds";
		led-green-harddisk {
			label = "sq201:green:harddisk";
			/* Conflict with LCD (no problem) */
			gpios = <&gpio0 16 GPIO_ACTIVE_LOW>;
			default-state = "off";
			linux,default-trigger = "disk-activity";
		};
		led-green-wireless {
			label = "sq201:green:wireless";
			/* Conflict with NAND flash CE0 (no problem) */
			gpios = <&gpio0 17 GPIO_ACTIVE_LOW>;
			default-state = "on";
			linux,default-trigger = "heartbeat";
		};
	};

Annotation

Implementation Notes