[PATCH v2 1/4] dt-bindings: power: Add Allwinner H6/H616 PRCM PPU

Chen-Yu Tsai wens at csie.org
Thu Apr 24 10:37:42 PDT 2025


On Fri, Apr 25, 2025 at 12:58 AM Ulf Hansson <ulf.hansson at linaro.org> wrote:
>
> On Thu, 17 Apr 2025 at 00:49, Andre Przywara <andre.przywara at arm.com> wrote:
> >
> > The Allwinner H6 and some later SoCs contain some bits in the PRCM (Power
> > Reset Clock Management) block that control some power domains.
> > Those power domains include the one for the GPU, the PLLs and some
> > analogue circuits.
> >
> > Signed-off-by: Andre Przywara <andre.przywara at arm.com>
> > Reviewed-by: Rob Herring (Arm) <robh at kernel.org>
>
> Applied for next by amending the example according to ChenYu's comment, thanks!
>
> Note this patch is also available on the immutable dt branch, for SoC
> maintainers to pull.

Thanks! I don't think there's a need if it's just the YAML files though.
As long as everything comes together in linux-next, folks are happy.


ChenYu

> Kind regards
> Uffe
>
>
>
> > ---
> >  .../power/allwinner,sun50i-h6-prcm-ppu.yaml   | 42 +++++++++++++++++++
> >  1 file changed, 42 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/power/allwinner,sun50i-h6-prcm-ppu.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/power/allwinner,sun50i-h6-prcm-ppu.yaml b/Documentation/devicetree/bindings/power/allwinner,sun50i-h6-prcm-ppu.yaml
> > new file mode 100644
> > index 0000000000000..7eaff9baf7268
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/power/allwinner,sun50i-h6-prcm-ppu.yaml
> > @@ -0,0 +1,42 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/power/allwinner,sun50i-h6-prcm-ppu.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Allwinner SoCs PRCM power domain controller
> > +
> > +maintainers:
> > +  - Andre Przywara <andre.przywara at arm.com>
> > +
> > +description:
> > +  The Allwinner Power Reset Clock Management (PRCM) unit contains bits to
> > +  control a few power domains.
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - allwinner,sun50i-h6-prcm-ppu
> > +      - allwinner,sun50i-h616-prcm-ppu
> > +      - allwinner,sun55i-a523-prcm-ppu
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  '#power-domain-cells':
> > +    const: 1
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - '#power-domain-cells'
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > +  - |
> > +    prcm_ppu: power-controller at 7010210 {
> > +        compatible = "allwinner,sun50i-h616-prcm-ppu";
> > +        reg = <0x07010250 0x10>;
> > +        #power-domain-cells = <1>;
> > +    };
> > --
> > 2.46.3
> >
>



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