[PATCH v3 1/2] dt-bindings: clock: mediatek: Add SMI LARBs reset for MT8188

Conor Dooley conor at kernel.org
Tue Jan 21 09:30:23 PST 2025


On Tue, Jan 21, 2025 at 02:50:40PM +0800, Friday Yang wrote:
> SMI LARBs require reset functions when applying clamp operations.
> Add '#reset-cells' for the clock controller located in image, camera
> and IPE subsystems.

A new required property is an abi break, please explain why this is
required. What are "SMI LARBs"? Why did things previously work without
acting as a reset controller?

> 
> Signed-off-by: Friday Yang <friday.yang at mediatek.com>
> ---
>  .../bindings/clock/mediatek,mt8188-clock.yaml | 21 +++++++++++++++++++
>  1 file changed, 21 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/clock/mediatek,mt8188-clock.yaml b/Documentation/devicetree/bindings/clock/mediatek,mt8188-clock.yaml
> index 860570320545..2985c8c717d7 100644
> --- a/Documentation/devicetree/bindings/clock/mediatek,mt8188-clock.yaml
> +++ b/Documentation/devicetree/bindings/clock/mediatek,mt8188-clock.yaml
> @@ -57,6 +57,27 @@ required:
>    - reg
>    - '#clock-cells'
> 
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - mediatek,mt8188-camsys-rawa
> +              - mediatek,mt8188-camsys-rawb
> +              - mediatek,mt8188-camsys-yuva
> +              - mediatek,mt8188-camsys-yuvb
> +              - mediatek,mt8188-imgsys-wpe1
> +              - mediatek,mt8188-imgsys-wpe2
> +              - mediatek,mt8188-imgsys-wpe3
> +              - mediatek,mt8188-imgsys1-dip-nr
> +              - mediatek,mt8188-imgsys1-dip-top
> +              - mediatek,mt8188-ipesys
> +
> +    then:
> +      required:
> +        - '#reset-cells'
> +
>  additionalProperties: false
> 
>  examples:
> --
> 2.46.0
> 
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 228 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-mediatek/attachments/20250121/6c39a343/attachment.sig>


More information about the Linux-mediatek mailing list