On Thu, Dec 3, 2020 at 2:13 PM Stephan Gerhold <stephan@xxxxxxxxxxx> 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. > > Implement 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> Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Yours, Linus Walleij
