arch/arm/boot/dts/ti/omap/logicpd-torpedo-som.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/ti/omap/logicpd-torpedo-som.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/ti/omap/logicpd-torpedo-som.dtsi
Extension
.dtsi
Size
5499 bytes
Lines
203
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-only

#include <dt-bindings/input/input.h>

/ {
	chosen {
		stdout-path = &uart1;
	};

	cpus {
		cpu@0 {
			cpu0-supply = <&vcc>;
		};
	};

	memory@80000000 {
		device_type = "memory";
		reg = <0x80000000 0>;
	};

	leds {
		compatible = "gpio-leds";
		led-user0 {
			label = "user0";
			gpios = <&twl_gpio 18 GPIO_ACTIVE_LOW>;	/* LEDA */
			linux,default-trigger = "none";
		};
	};

	/* fixed 26MHz oscillator */
	hfclk_26m: oscillator {
		#clock-cells = <0>;
		compatible = "fixed-clock";
		clock-frequency = <26000000>;
	};
};

/* The Torpedo doesn't route the USB host pins */
&usbhshost {
	status = "disabled";
};

&gpmc {
	ranges = <0 0 0x30000000 0x1000000>;	/* CS0: 16MB for NAND */

	nand@0,0 {
		compatible = "ti,omap2-nand";
		reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
		interrupt-parent = <&gpmc>;
		interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
			     <1 IRQ_TYPE_NONE>;	/* termcount */
		nand-bus-width = <16>;
		ti,nand-ecc-opt = "bch8";
		rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 */
		gpmc,sync-clk-ps = <0>;
		gpmc,cs-on-ns = <0>;
		gpmc,cs-rd-off-ns = <44>;
		gpmc,cs-wr-off-ns = <44>;
		gpmc,adv-on-ns = <6>;
		gpmc,adv-rd-off-ns = <34>;
		gpmc,adv-wr-off-ns = <44>;
		gpmc,we-off-ns = <40>;
		gpmc,oe-off-ns = <54>;
		gpmc,access-ns = <64>;
		gpmc,rd-cycle-ns = <82>;
		gpmc,wr-cycle-ns = <82>;
		gpmc,wr-access-ns = <40>;
		gpmc,wr-data-mux-bus-ns = <0>;
		gpmc,device-width = <2>;
		#address-cells = <1>;

Annotation

Implementation Notes