staging: wfx: add support for I/O access
Introduce bus level communication layer. At this level, 7 registers can be addressed. Notice that SPI driver is able to manage chip reset. SDIO mode relies on an external driver (`mmc-pwrseq`) to reset chip. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20190919142527.31797-3-Jerome.Pouiller@silabs.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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drivers/staging/wfx/hwio.h
0 → 100644
drivers/staging/wfx/main.h
0 → 100644
drivers/staging/wfx/wfx.h
0 → 100644
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