[PATCH 1/3] dt-bindings: mmc: spacemit,sdhci: add reset support

Krzysztof Kozlowski krzk at kernel.org
Sun Dec 21 07:09:37 PST 2025


On Sun, Dec 21, 2025 at 04:20:26PM +0800, Yixun Lan wrote:
> The SpacemiT SDHCI controller has two reset lines, one connect to AXI bus
> which shared by all controllers, while another one connect to individual
> controller separately.
> 
> Signed-off-by: Yixun Lan <dlan at gentoo.org>
> ---
>  Documentation/devicetree/bindings/mmc/spacemit,sdhci.yaml | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/mmc/spacemit,sdhci.yaml b/Documentation/devicetree/bindings/mmc/spacemit,sdhci.yaml
> index 13d9382058fb..322c69b056f4 100644
> --- a/Documentation/devicetree/bindings/mmc/spacemit,sdhci.yaml
> +++ b/Documentation/devicetree/bindings/mmc/spacemit,sdhci.yaml
> @@ -32,12 +32,24 @@ properties:
>        - const: core
>        - const: io
>  
> +  resets:
> +    items:
> +      - description: axi reset, connect to AXI bus, shared by all controllers
> +      - description: sdh reset, connect to individual controller separately
> +
> +  reset-names:
> +    items:
> +      - const: axi
> +      - const: sdh
> +
>  required:
>    - compatible
>    - reg
>    - interrupts
>    - clocks
>    - clock-names
> +  - resets
> +  - reset-names

This is an ABI break without mentioning in commit msg and without any
justification.

Best regards,
Krzysztof




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