On Tue, 23 Oct 2018 11:49:13 +0000, "A.s. Dong" wrote: > On some SoCs(e.g. MX7ULP), GPIO clock is gatable and maybe > disabled by default. Users have to make sure it's enabled before > being able to access controller registers, otherwise an external > abort error may occur. Let's add the optional clocks property to > handle this case. > > For ULP GPIO clock, it includes two separate clocks: one is for > GPIO controller Input/Output function clock while another is > GPIO port control clock for interrupt function. > > Cc: Linus Walleij <linus.walleij@xxxxxxxxxx> > Cc: Rob Herring <robh+dt@xxxxxxxxxx> > Cc: Mark Rutland <mark.rutland@xxxxxxx> > Cc: Stefan Agner <stefan@xxxxxxxx> > Cc: linux-gpio@xxxxxxxxxxxxxxx > Cc: devicetree@xxxxxxxxxxxxxxx > Signed-off-by: Dong Aisheng <aisheng.dong@xxxxxxx> > --- > v1->v2: > * new patch > --- > Documentation/devicetree/bindings/gpio/gpio-vf610.txt | 6 ++++++ > 1 file changed, 6 insertions(+) > Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
