Commit 7bb985ac authored by Biju Das's avatar Biju Das Committed by Lee Jones
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Documentation: ABI: sysfs-bus-counter: add cascade_counts_enable and... 


Documentation: ABI: sysfs-bus-counter: add cascade_counts_enable and external_input_phase_clock_select

This commit adds cascade_counts_enable and external_input_phase_
clock_select items to counter ABI file.
(e.g. for Renesas MTU3 hardware used for phase counting).

Signed-off-by: default avatarBiju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: default avatarWilliam Breathitt Gray <william.gray@linaro.org>
Signed-off-by: default avatarLee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20230330111632.169434-4-biju.das.jz@bp.renesas.com
parent 654c293e

Documentation/ABI/testing/sysfs-bus-counter

+32 −0
Original line number Diff line number Diff line 
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
@@ -215,6 +245,8 @@ Contact: linux-iio@vger.kernel.org 
Description:

		This attribute indicates the number of overflows of count Y.



What:		/sys/bus/counter/devices/counterX/cascade_counts_enable_component_id

What:		/sys/bus/counter/devices/counterX/external_input_phase_clock_select_component_id

What:		/sys/bus/counter/devices/counterX/countY/capture_component_id

What:		/sys/bus/counter/devices/counterX/countY/ceiling_component_id

What:		/sys/bus/counter/devices/counterX/countY/floor_component_id