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IIO: ADC: add stm32 DFSDM core support
authorArnaud Pouliquen <arnaud.pouliquen@st.com>
Wed, 10 Jan 2018 10:13:10 +0000 (11:13 +0100)
committerMark Brown <broonie@kernel.org>
Wed, 10 Jan 2018 10:30:11 +0000 (10:30 +0000)
commitbed73904e76fc08d0ec3a7ba3eb2ddbb2e38862c
tree99193706b1e4dc8d0a1906f827af83428dbcbc6ftree | snapshot
parent6c82f947fc9784b774cad0b90c20a5d703f9b763commit | diff
IIO: ADC: add stm32 DFSDM core support

Add driver for stm32 DFSDM pheripheral. Its converts a sigma delta
stream in n bit samples through a low pass filter and an integrator.
stm32-dfsdm-core driver is the core part supporting the filter
instances dedicated to sigma-delta ADC or audio PDM microphone purpose.

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/iio/adc/Kconfig diff | blob | history
drivers/iio/adc/Makefile diff | blob | history
drivers/iio/adc/stm32-dfsdm-core.c [new file with mode: 0644] blob
drivers/iio/adc/stm32-dfsdm.h [new file with mode: 0644] blob
John Crispins staging tree