This patch adds ST Keyscan driver to use the keypad hw a subset
of ST boards provide. Specific board setup will be put in the
given dt.

Signed-off-by: Gabriel Fernandez <redacted>
Signed-off-by: Giuseppe Condorelli <redacted>
---
 .../devicetree/bindings/input/st-keyscan.txt       |  60 +++++
 drivers/input/keyboard/Kconfig                     |  12 +
 drivers/input/keyboard/Makefile                    |   1 +
 drivers/input/keyboard/st-keyscan.c                | 260 +++++++++++++++++++++
 4 files changed, 333 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/st-keyscan.txt
 create mode 100644 drivers/input/keyboard/st-keyscan.c

FWIW: This looks good to me now:
  Acked-by: Lee Jones [off-list ref]

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
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