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

[Chen-Yu Tsai]

On Thu, Apr 17, 2025 at 6:49 AM 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>
> ---
>  .../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 {

This doesn't match the address below.

ChenYu

> +        compatible = "allwinner,sun50i-h616-prcm-ppu";
> +        reg = <0x07010250 0x10>;
> +        #power-domain-cells = <1>;
> +    };
> --
> 2.46.3
>