| Message ID | 891d9716ce95bd8568296ef53d5b8d266f7efe3e.1529607879.git.vilhelm.gray@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Thu, 21 Jun 2018 17:08:08 -0400 William Breathitt Gray <vilhelm.gray@gmail.com> wrote: > This patch adds standard documentation for the Generic Counter interface > userspace sysfs attributes of the 104-QUAD-8 driver. > > Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> This stuff is very device specific obviously, but looks fine to me. Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> > --- > .../ABI/testing/sysfs-bus-counter-104-quad-8 | 36 +++++++++++++++++++ > MAINTAINERS | 1 + > 2 files changed, 37 insertions(+) > create mode 100644 Documentation/ABI/testing/sysfs-bus-counter-104-quad-8 > > diff --git a/Documentation/ABI/testing/sysfs-bus-counter-104-quad-8 b/Documentation/ABI/testing/sysfs-bus-counter-104-quad-8 > new file mode 100644 > index 000000000000..062637df3c78 > --- /dev/null > +++ b/Documentation/ABI/testing/sysfs-bus-counter-104-quad-8 > @@ -0,0 +1,36 @@ > +What: /sys/bus/counter/devices/counterX/signalY/index_polarity > +KernelVersion: 4.19 > +Contact: linux-iio@vger.kernel.org > +Description: > + Active level of index input Signal Y; irrelevant in > + non-synchronous load mode. > + > +What: /sys/bus/counter/devices/counterX/signalY/index_polarity_available > +What: /sys/bus/counter/devices/counterX/signalY/synchronous_mode_available > +KernelVersion: 4.19 > +Contact: linux-iio@vger.kernel.org > +Description: > + Discrete set of available values for the respective Signal Y > + configuration are listed in this file. > + > +What: /sys/bus/counter/devices/counterX/signalY/synchronous_mode > +KernelVersion: 4.19 > +Contact: linux-iio@vger.kernel.org > +Description: > + Configure the counter associated with Signal Y for > + non-synchronous or synchronous load mode. Synchronous load mode > + cannot be selected in non-quadrature (Pulse-Direction) clock > + mode. > + > + Non-synchronous: > + A logic low level is the active level at this index > + input. The index function (as enabled via preset_enable) > + is performed directly on the active level of the index > + input. > + > + Synchronous: > + Intended for interfacing with encoder Index output in > + quadrature clock mode. The active level is configured > + 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. > diff --git a/MAINTAINERS b/MAINTAINERS > index 4083523699f3..a06fd762f5d9 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -270,6 +270,7 @@ ACCES 104-QUAD-8 DRIVER > M: William Breathitt Gray <vilhelm.gray@gmail.com> > L: linux-iio@vger.kernel.org > S: Maintained > +F: Documentation/ABI/testing/sysfs-bus-counter-104-quad-8 > F: Documentation/ABI/testing/sysfs-bus-iio-counter-104-quad-8 > F: drivers/counter/104-quad-8.c > -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/ABI/testing/sysfs-bus-counter-104-quad-8 b/Documentation/ABI/testing/sysfs-bus-counter-104-quad-8 new file mode 100644 index 000000000000..062637df3c78 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-counter-104-quad-8 @@ -0,0 +1,36 @@ +What: /sys/bus/counter/devices/counterX/signalY/index_polarity +KernelVersion: 4.19 +Contact: linux-iio@vger.kernel.org +Description: + Active level of index input Signal Y; irrelevant in + non-synchronous load mode. + +What: /sys/bus/counter/devices/counterX/signalY/index_polarity_available +What: /sys/bus/counter/devices/counterX/signalY/synchronous_mode_available +KernelVersion: 4.19 +Contact: linux-iio@vger.kernel.org +Description: + Discrete set of available values for the respective Signal Y + configuration are listed in this file. + +What: /sys/bus/counter/devices/counterX/signalY/synchronous_mode +KernelVersion: 4.19 +Contact: linux-iio@vger.kernel.org +Description: + Configure the counter associated with Signal Y for + non-synchronous or synchronous load mode. Synchronous load mode + cannot be selected in non-quadrature (Pulse-Direction) clock + mode. + + Non-synchronous: + A logic low level is the active level at this index + input. The index function (as enabled via preset_enable) + is performed directly on the active level of the index + input. + + Synchronous: + Intended for interfacing with encoder Index output in + quadrature clock mode. The active level is configured + 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. diff --git a/MAINTAINERS b/MAINTAINERS index 4083523699f3..a06fd762f5d9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -270,6 +270,7 @@ ACCES 104-QUAD-8 DRIVER M: William Breathitt Gray <vilhelm.gray@gmail.com> L: linux-iio@vger.kernel.org S: Maintained +F: Documentation/ABI/testing/sysfs-bus-counter-104-quad-8 F: Documentation/ABI/testing/sysfs-bus-iio-counter-104-quad-8 F: drivers/counter/104-quad-8.c
This patch adds standard documentation for the Generic Counter interface userspace sysfs attributes of the 104-QUAD-8 driver. Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> --- .../ABI/testing/sysfs-bus-counter-104-quad-8 | 36 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 37 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-bus-counter-104-quad-8