arch/arm/boot/dts/marvell/kirkwood-topkick.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/marvell/kirkwood-topkick.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/marvell/kirkwood-topkick.dts
Extension
.dts
Size
4055 bytes
Lines
217
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
/dts-v1/;

#include "kirkwood.dtsi"
#include "kirkwood-6282.dtsi"

/ {
	model = "Universal Scientific Industrial Co. Topkick-1281P2";
	compatible = "usi,topkick-1281P2", "usi,topkick", "marvell,kirkwood-88f6282", "marvell,kirkwood";

	memory {
		device_type = "memory";
		reg = <0x00000000 0x10000000>;
	};

	chosen {
		bootargs = "console=ttyS0,115200n8 earlyprintk";
		stdout-path = &uart0;
	};

	ocp@f1000000 {
		pinctrl: pin-controller@10000 {
			/*
			 * Switch positions
			 *
			 *     /-SW_LEFT(2)
			 *     |
			 *     |   /-SW_IDLE
			 *     |   |
			 *     |   |   /-SW_RIGHT
			 *     |   |   |
			 * PS [L] [I] [R] LEDS
			 */
			pinctrl-0 = <&pmx_sw_left &pmx_sw_right
				     &pmx_sw_idle &pmx_sw_left2>;
			pinctrl-names = "default";

			pmx_led_disk_yellow: pmx-led-disk-yellow {
				marvell,pins = "mpp21";
				marvell,function = "gpio";
			};

			pmx_sata0_pwr_enable: pmx-sata0-pwr-enable {
				marvell,pins = "mpp36";
				marvell,function = "gpio";
			};

			pmx_led_sys_red: pmx-led-sys-red {
				marvell,pins = "mpp37";
				marvell,function = "gpio";
			};

			pmx_led_sys_blue: pmx-led-sys-blue {
				marvell,pins = "mpp38";
				marvell,function = "gpio";
			};

			pmx_led_wifi_green: pmx-led-wifi-green {
				marvell,pins = "mpp39";
				marvell,function = "gpio";
			};

			pmx_sw_left: pmx-sw-left {
				marvell,pins = "mpp43";
				marvell,function = "gpio";
			};

			pmx_sw_right: pmx-sw-right {
				marvell,pins = "mpp44";
				marvell,function = "gpio";

Annotation

Implementation Notes