[PATCH v2 1/4] dt-bindings: power: Add A523 PPU and PCK600 power controllers

[Rob Herring (Arm)]

On Wed, 09 Jul 2025 23:53:40 +0800, Chen-Yu Tsai wrote:
> From: Chen-Yu Tsai <wens at csie.org>
> 
> The A523 PPU is likely the same kind of hardware seen on previous SoCs.
> 
> The A523 PCK600, as the name suggests, is likely a customized version
> of ARM's PCK-600 power controller. Comparing the BSP driver against
> ARM's PPU datasheet shows that the basic registers line up, but
> Allwinner's hardware has some additional delay controls in the reserved
> register range. As such it is likely not fully compatible with the
> standard ARM version.
> 
> Document A523 PPU and PCK600 compatibles.
> 
> Also reorder the compatible string entries so they are grouped and
> ordered by family first, then by SoC model.
> 
> Reviewed-by: Andre Przywara <andre.przywara at arm.com>
> Signed-off-by: Chen-Yu Tsai <wens at csie.org>
> 
> ---
> Changes since v1:
> - Re-order compatible string entries
> - Fix name of header file to match compatible string
> ---
>  .../bindings/power/allwinner,sun20i-d1-ppu.yaml   |  4 +++-
>  .../power/allwinner,sun55i-a523-pck-600.h         | 15 +++++++++++++++
>  .../dt-bindings/power/allwinner,sun55i-a523-ppu.h | 12 ++++++++++++
>  3 files changed, 30 insertions(+), 1 deletion(-)
>  create mode 100644 include/dt-bindings/power/allwinner,sun55i-a523-pck-600.h
>  create mode 100644 include/dt-bindings/power/allwinner,sun55i-a523-ppu.h
> 

Reviewed-by: Rob Herring (Arm) <robh at kernel.org>