Documentation: ABI: sysfs-bus-counter: add frequency & num_overflows items

This commit adds frequency and num_overflows items to counter ABI file
(e.g. for TI ECAP hardware used in capture operating mode).

Signed-off-by: Julien Panis <jpanis@baylibre.com>
Link: https://lore.kernel.org/r/20220923142437.271328-3-jpanis@baylibre.com/
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Link: https://lore.kernel.org/r/467ae80e97c586c6bc9c453c6156ffcb5d4853d6.1664318353.git.william.gray@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/Documentation/ABI/testing/sysfs-bus-counter b/Documentation/ABI/testing/sysfs-bus-counter
index 3eb6b06..ff83320 100644 (file)
--- a/Documentation/ABI/testing/sysfs-bus-counter
+++ b/Documentation/ABI/testing/sysfs-bus-counter
@@ -209,6 +209,12 @@ Description:
                both edges:
                        Any state transition.
 
+What:          /sys/bus/counter/devices/counterX/countY/num_overflows
+KernelVersion: 6.1
+Contact:       linux-iio@vger.kernel.org
+Description:
+               This attribute indicates the number of overflows of count Y.
+
 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
@@ -220,12 +226,14 @@ What:             /sys/bus/counter/devices/counterX/countY/prescaler_component_id
 What:          /sys/bus/counter/devices/counterX/countY/preset_component_id
 What:          /sys/bus/counter/devices/counterX/countY/preset_enable_component_id
 What:          /sys/bus/counter/devices/counterX/countY/signalZ_action_component_id
+What:          /sys/bus/counter/devices/counterX/countY/num_overflows_component_id
 What:          /sys/bus/counter/devices/counterX/signalY/cable_fault_component_id
 What:          /sys/bus/counter/devices/counterX/signalY/cable_fault_enable_component_id
 What:          /sys/bus/counter/devices/counterX/signalY/filter_clock_prescaler_component_id
 What:          /sys/bus/counter/devices/counterX/signalY/index_polarity_component_id
 What:          /sys/bus/counter/devices/counterX/signalY/polarity_component_id
 What:          /sys/bus/counter/devices/counterX/signalY/synchronous_mode_component_id
+What:          /sys/bus/counter/devices/counterX/signalY/frequency_component_id
 KernelVersion: 5.16
 Contact:       linux-iio@vger.kernel.org
 Description:
@@ -366,3 +374,9 @@ Description:
                        via index_polarity. The index function (as enabled via
                        preset_enable) is performed synchronously with the
                        quadrature clock on the active level of the index input.
+
+What:          /sys/bus/counter/devices/counterX/signalY/frequency
+KernelVersion: 6.1
+Contact:       linux-iio@vger.kernel.org
+Description:
+               Read-only attribute that indicates the signal Y frequency, in Hz.