Searched refs:DFSDM (Results 1 – 7 of 7) sorted by relevance
1 STMicroelectronics Audio Digital Filter Sigma Delta modulators(DFSDM)3 The DFSDM allows PDM microphones capture through SPI interface. The Audio4 interface is seems as a sub block of the DFSDM device.5 For details on DFSDM bindings refer to ../iio/adc/st,stm32-dfsdm-adc.txt14 Example of a sound card using audio DFSDM node.
9 This is mandatory if DFSDM is slave on SPI bus, to14 if DFSDM input is SPI master:19 If DFSDM input is SPI Slave:
35 tristate "SoC Audio support for STM32 DFSDM"44 for Sigma Delta Modulators (DFSDM) driver used
24 - DFSDM
57 #define DFSDM 44 macro
1834 PCLK(DFSDM, "dfsdm", "pclk2", 0, G_DFSDM),
947 tristate "STMicroelectronics STM32 DFSDM core"