tree fbff07fc14acd63e4eae6e941dcf02eb10295558
parent f9dd53624c578be51fbb91ddf2938df55a0c6966
author Henrik Brix Andersen <henrik@brixandersen.dk> 1551731249 +0100
committer Anas Nashif <anas.nashif@intel.com> 1557282786 -0400

drivers: gpio: ht16k33: add GPIO driver for Holtek HT16K33 LED driver

The HT16K33 is a memory mapping, multifunction LED controller
driver. The controller supports up to 128 LEDs (up to 16 rows and 8
commons) and matrix key scan circuit of up to 13x3 keys.

This commit adds support for the keyscan functionality of the HT16K33.

Signed-off-by: Henrik Brix Andersen <henrik@brixandersen.dk>