Hello, On Wed, Jul 08, 2020 at 03:19:30PM +0800, Frank Lee wrote: > Since we don't really have to care about the existing DT for boards, > it would be great to make the gpio banks supplies required. What if the borad doesn't use one of the banks? How would I describe such a board if defining supplies for all banks is required? regards, o. > Signed-off-by: Frank Lee <frank@xxxxxxxxxxxxxxxxx> > --- > .../devicetree/bindings/pinctrl/allwinner,sun4i-a10-pinctrl.yaml | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/Documentation/devicetree/bindings/pinctrl/allwinner,sun4i-a10-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/allwinner,sun4i-a10-pinctrl.yaml > index 226aba0..c30a7b7 100644 > --- a/Documentation/devicetree/bindings/pinctrl/allwinner,sun4i-a10-pinctrl.yaml > +++ b/Documentation/devicetree/bindings/pinctrl/allwinner,sun4i-a10-pinctrl.yaml > @@ -134,6 +134,7 @@ patternProperties: > required: > - "#gpio-cells" > - "#interrupt-cells" > + - "^vcc-p[a-hlm]-supply$" > - compatible > - reg > - interrupts > -- > 1.9.1 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel