From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- .../ABI/testing/sysfs-bus-iio-frequency-adf4350 | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-bus-iio-frequency-adf4350 (limited to 'Documentation/ABI/testing/sysfs-bus-iio-frequency-adf4350') diff --git a/Documentation/ABI/testing/sysfs-bus-iio-frequency-adf4350 b/Documentation/ABI/testing/sysfs-bus-iio-frequency-adf4350 new file mode 100644 index 0000000000..1254457a72 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-iio-frequency-adf4350 @@ -0,0 +1,21 @@ +What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_frequency_resolution +KernelVersion: 3.4.0 +Contact: linux-iio@vger.kernel.org +Description: + Stores channel Y frequency resolution/channel spacing in Hz. + The value given directly influences the MODULUS used by + the fractional-N PLL. It is assumed that the algorithm + that is used to compute the various dividers, is able to + generate proper values for multiples of channel spacing. + +What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_refin_frequency +KernelVersion: 3.4.0 +Contact: linux-iio@vger.kernel.org +Description: + Sets channel Y REFin frequency in Hz. In some clock chained + applications, the reference frequency used by the PLL may + change during runtime. This attribute allows the user to + adjust the reference frequency accordingly. + The value written has no effect until out_altvoltageY_frequency + is updated. Consider to use out_altvoltageY_powerdown to power + down the PLL and its RFOut buffers during REFin changes. -- cgit v1.2.3