On Thu, 03 Dec 2020 14:12:41 +0100, Stephan Gerhold wrote: > The Samsung touchkey controllers are often used with external pull-up > for the interrupt line and the I2C lines, so we might need to enable > a regulator to bring the lines into usable state. Otherwise, this might > cause spurious interrupts and reading from I2C will fail. > > Document support for a "vddio-supply" that is enabled by the tm2-touchkey > driver so that the regulator gets enabled when needed. > > Cc: Linus Walleij <linus.walleij@xxxxxxxxxx> > Signed-off-by: Stephan Gerhold <stephan@xxxxxxxxxxx> > --- > .../devicetree/bindings/input/cypress,tm2-touchkey.yaml | 5 +++++ > 1 file changed, 5 insertions(+) > Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
