iio: adc: stm32: allow to tune analog clock

Browse source

Add new optional dt property to tune analog clock prescaler.
Driver looks for optional "st,max-clk-rate-hz", then computes
best approximation below that rate, using ADC internal prescaler.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

...

This commit is contained in:

Fabrice Gasnier 2019-10-28 17:11:48 +01:00 • committed by Jonathan Cameron

parent a1acbc223a

commit cb7e1b50e4

1 changed files with 13 additions and 3 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

16

drivers/iio/adc/stm32-adc-core.c

View file