Add a mfd driver to support Advantech EIO-IS200 series EC.
Signed-off-by: wenkai.chung <wenkai.chung@xxxxxxxxxxxxxxxx>
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drivers/mfd/eiois200.h | 253 ++++++++
drivers/mfd/eiois200_core.c | 913 +++++++++++++++++++++++++++++
drivers/watchdog/eiois200_wdt.c | 987 ++++++++++++++++++++++++++++++++
3 files changed, 2153 insertions(+)
create mode 100755 drivers/mfd/eiois200.h
create mode 100755 drivers/mfd/eiois200_core.c
create mode 100755 drivers/watchdog/eiois200_wdt.c