On Tue, Aug 23, 2016 at 10:27:59AM -0500, Andrew F. Davis wrote: > On 08/23/2016 01:16 AM, Vignesh R wrote: > > Add a driver to read group of GPIO lines and provide its status as a > > numerical value as input event to the system. This will help in > > intefacing devices, that can be connected over GPIOs, that provide input > > to the system by driving GPIO lines connected to them like a rotary dial > > or a switch. > > > > For example, a rotary switch can be connected to four GPIO lines. The > > status of the GPIO lines reflect the actual position of the rotary > > switch dial. For example, if dial points to 9, then the four GPIO lines > > connected to the switch will read HLLH(0b'1001 = 9). This value > > can be reported as an ABS_* event to the input subsystem. > > > > Signed-off-by: Vignesh R <vigneshr@xxxxxx> > > Acked-by: Rob Herring <robh@xxxxxxxxxx> > > --- > > > > v2: Use decoder,max-value instead of gpio-decoder,max-value. That's not what Rob asked for. "decoder-max-value", not "decoder" vendor prefix. Thanks. -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
