Documentation/ABI/testing/sysfs-bus-counter

Source file repositories/reference/linux-study-clean/Documentation/ABI/testing/sysfs-bus-counter

File Facts

System: Linux kernel
Corpus path: Documentation/ABI/testing/sysfs-bus-counter
Extension: [no extension]
Size: 17643 bytes
Lines: 478
Domain: Support Tooling And Documentation
Bucket: Documentation
Inferred role: Support Tooling And Documentation: Documentation
Status: atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.
Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

No C-style include directives detected by the generator.

Detected Declarations

No top-level syscall, struct, function, initcall, or export declaration detected by the generator.

Annotated Snippet

What:		/sys/bus/counter/devices/counterX/cascade_counts_enable
KernelVersion:	6.4
Contact:	linux-iio@vger.kernel.org
Description:
		Indicates the cascading of Counts on Counter X.

		Valid attribute values are boolean.

What:		/sys/bus/counter/devices/counterX/external_input_phase_clock_select
KernelVersion:	6.4
Contact:	linux-iio@vger.kernel.org
Description:
		Selects the external clock pin for phase counting mode of
		Counter X.

		MTCLKA-MTCLKB:
			MTCLKA and MTCLKB pins are selected for the external
			phase clock.

		MTCLKC-MTCLKD:
			MTCLKC and MTCLKD pins are selected for the external
			phase clock.

What:		/sys/bus/counter/devices/counterX/external_input_phase_clock_select_available
KernelVersion:	6.4
Contact:	linux-iio@vger.kernel.org
Description:
		Discrete set of available values for the respective device
		configuration are listed in this file.

What:		/sys/bus/counter/devices/counterX/countY/count
KernelVersion:	5.2
Contact:	linux-iio@vger.kernel.org
Description:
		Count data of Count Y represented as a string.

What:		/sys/bus/counter/devices/counterX/countY/compare
KernelVersion:	6.15
Contact:	linux-iio@vger.kernel.org
Description:
		If the counter device supports compare registers -- registers
		used to compare counter channels against a particular count --
		the compare count for channel Y is provided by this attribute.

What:		/sys/bus/counter/devices/counterX/countY/capture
KernelVersion:	6.1
Contact:	linux-iio@vger.kernel.org
Description:
		Historical capture of the Count Y count data.

What:		/sys/bus/counter/devices/counterX/countY/ceiling
KernelVersion:	5.2
Contact:	linux-iio@vger.kernel.org
Description:
		Count value ceiling for Count Y. This is the upper limit for the
		respective counter.

What:		/sys/bus/counter/devices/counterX/countY/floor
KernelVersion:	5.2
Contact:	linux-iio@vger.kernel.org
Description:
		Count value floor for Count Y. This is the lower limit for the
		respective counter.

What:		/sys/bus/counter/devices/counterX/countY/count_mode
KernelVersion:	5.2
Contact:	linux-iio@vger.kernel.org
Description:
		Count mode for channel Y. The ceiling and floor values for
		Count Y are used by the count mode where required. The following

Annotation

Atlas domain: Support Tooling And Documentation / Documentation.
Implementation status: atlas-only.

Implementation Notes

This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.