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Subject[PATCH 4/8] docs: counter: add unit timer sysfs attributes
Date
This documents new unit timer sysfs attributes for the counter
subsystem.

Signed-off-by: David Lechner <david@lechnology.com>
---
Documentation/ABI/testing/sysfs-bus-counter | 24 +++++++++++++++++++++
drivers/counter/ti-eqep.c | 2 +-
2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/Documentation/ABI/testing/sysfs-bus-counter b/Documentation/ABI/testing/sysfs-bus-counter
index 06c2b3e27e0b..37d960a8cb1b 100644
--- a/Documentation/ABI/testing/sysfs-bus-counter
+++ b/Documentation/ABI/testing/sysfs-bus-counter
@@ -218,6 +218,9 @@ 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/unit_timer_enable_component_id
+What: /sys/bus/counter/devices/unit_timer_period_component_id
+What: /sys/bus/counter/devices/unit_timer_time_component_id
KernelVersion: 5.16
Contact: linux-iio@vger.kernel.org
Description:
@@ -345,3 +348,24 @@ 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/unit_timer_enable
+KernelVersion: 5.16
+Contact: linux-iio@vger.kernel.org
+Description:
+ Read/write attribute that starts or stops the unit timer. Valid
+ values are boolean.
+
+What: /sys/bus/counter/devices/unit_timer_period
+KernelVersion: 5.16
+Contact: linux-iio@vger.kernel.org
+Description:
+ Read/write attribute that selects the unit timer timeout in
+ nanoseconds.
+
+What: /sys/bus/counter/devices/unit_timer_time
+KernelVersion: 5.16
+Contact: linux-iio@vger.kernel.org
+Description:
+ Read/write attribute that indicates the current time of the
+ unit timer in nanoseconds.
diff --git a/drivers/counter/ti-eqep.c b/drivers/counter/ti-eqep.c
index a4a5a4486329..1ba7f3c7cb7e 100644
--- a/drivers/counter/ti-eqep.c
+++ b/drivers/counter/ti-eqep.c
@@ -680,7 +680,7 @@ static int ti_eqep_probe(struct platform_device *pdev)
pm_runtime_get_sync(dev);

/*
- * We can end up with an interupt infinite loop (interrupts triggered
+ * We can end up with an interrupt infinite loop (interrupts triggered
* as soon as they are cleared) if we leave these at the default value
* of 0 and events are enabled.
*/
--
2.25.1
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