Re: [PATCH v5 1/4] dt-bindings: mmc: Add dll-presets values for HS400 and HS200 modes

From: Krzysztof Kozlowski

Date: Mon Oct 13 2025 - 20:06:53 EST


On 13/10/2025 16:53, Ram Prakash Gupta wrote:
> From: Sachin Gupta <quic_sachgupt@xxxxxxxxxxx>
>
> Document the 'dll-presets' property for MMC device tree bindings.
> The 'dll-presets' property defines the DLL configurations for HS400
> and HS200 modes.
>
> QC SoCs can have 0 to 4 SDHCI instances, and each one may need
> different tuning.
>
> Signed-off-by: Sachin Gupta <quic_sachgupt@xxxxxxxxxxx>
> Signed-off-by: Ram Prakash Gupta <quic_rampraka@xxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/mmc/sdhci-msm.yaml | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.yaml b/Documentation/devicetree/bindings/mmc/sdhci-msm.yaml
> index 594bd174ff21..f7b3b1ced3ce 100644
> --- a/Documentation/devicetree/bindings/mmc/sdhci-msm.yaml
> +++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.yaml
> @@ -138,6 +138,11 @@ properties:
> $ref: /schemas/types.yaml#/definitions/uint32
> description: platform specific settings for DLL_CONFIG reg.
>
> + qcom,dll-presets:
> + maxItems: 10
> + $ref: /schemas/types.yaml#/definitions/uint32-array
> + description: platform specific settings for DLL registers.

One of my questions, never answered in original submission and in your
versions, was to see the DTS user of it. I still do not see the DTS user.

Best regards,
Krzysztof