linux-kernel - [PATCH v7 2/4] Documentation: ABI: sysfs-bus-counter: add frequency & num

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Message-Id: <20220921100627.124085-3-jpanis@baylibre.com>
Date:   Wed, 21 Sep 2022 12:06:25 +0200
From:   Julien Panis <jpanis@...libre.com>
To:     william.gray@...aro.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org
Cc:     linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, mranostay@...com
Subject: [PATCH v7 2/4] 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@...libre.com>
---
 Documentation/ABI/testing/sysfs-bus-counter | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-bus-counter b/Documentation/ABI/testing/sysfs-bus-counter
index 30b6e1faa6f6..aea0adc3938f 100644
--- 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:	6.0
+Contact:	jpanis@...libre.com
+Description:
+		This attribute indicates the number of overflows since count Y start.
+
 What:		/sys/bus/counter/devices/counterX/countY/ceiling_component_id
 What:		/sys/bus/counter/devices/counterX/countY/floor_component_id
 What:		/sys/bus/counter/devices/counterX/countY/count_mode_component_id
@@ -219,11 +225,13 @@ 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/synchronous_mode_component_id
+What:		/sys/bus/counter/devices/counterX/signalY/frequency_component_id
 KernelVersion:	5.16
 Contact:	linux-iio@...r.kernel.org
 Description:
@@ -364,3 +372,9 @@ 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:	6.0
+Contact:	jpanis@...libre.com
+Description:
+		Read-only attribute that indicates the signal Y frequency, in Hz.
-- 
2.37.3