[PATCH v3 03/11] dt-bindings: pinctrl: sun4i-a10: add Allwinner B288

Pablo Mazzini pmazzini at gmail.com
Wed Oct 7 23:54:59 PDT 2026


Hi Rob,

The B288 uses the same scheme as the A523, and the A733 queued for
7.4, which the shared pinctrl-sunxi-dt helper parses, so I'd rather
stay consistent with them.
Andre, what do you think?

Thanks,
Pablo

On Wed, Oct 7, 2026 at 10:16 PM Rob Herring <robh at kernel.org> wrote:
>
> On Mon, Oct 05, 2026 at 09:27:23PM +0100, Pablo Mazzini wrote:
> > The B288 driver takes its mux values from the DT, so allwinner,pinmux
> > becomes an allowed property here, required for this compatible only.
> >
> > Signed-off-by: Pablo Mazzini <pmazzini at gmail.com>
> > ---
> >  .../pinctrl/allwinner,sun4i-a10-pinctrl.yaml  | 22 +++++++++++++++++++
> >  1 file changed, 22 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/pinctrl/allwinner,sun4i-a10-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/allwinner,sun4i-a10-pinctrl.yaml
> > index 45b7a0b6c626..b1f093d218f5 100644
> > --- a/Documentation/devicetree/bindings/pinctrl/allwinner,sun4i-a10-pinctrl.yaml
> > +++ b/Documentation/devicetree/bindings/pinctrl/allwinner,sun4i-a10-pinctrl.yaml
> > @@ -39,6 +39,7 @@ properties:
> >        - allwinner,sun8i-a33-pinctrl
> >        - allwinner,sun8i-a83t-pinctrl
> >        - allwinner,sun8i-a83t-r-pinctrl
> > +      - allwinner,sun8i-b288-pinctrl
> >        - allwinner,sun8i-h3-pinctrl
> >        - allwinner,sun8i-h3-r-pinctrl
> >        - allwinner,sun8i-r40-pinctrl
> > @@ -120,6 +121,15 @@ patternProperties:
> >          $ref: /schemas/types.yaml#/definitions/uint32
> >          enum: [10, 20, 30, 40]
> >
> > +      allwinner,pinmux:
> > +        $ref: /schemas/types.yaml#/definitions/uint32-array
> > +        description:
> > +          Pinmux selector value, for each pin. Only used by SoCs whose
> > +          driver takes the mux values from the DT instead of an in-driver
> > +          table. Almost every time this value is the same for all pins, so
> > +          any array shorter than the number of pins will repeat the last
> > +          value, to allow just specifying a single cell, for all cells.
>
> Perhaps new platforms should move to the common 'pinmux' property?
>
> Rob



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