[PATCH v5 1/4] dt-bindings: mmc: Add dll-presets values for HS400 and HS200 modes
From: Ram Prakash Gupta <hidden>
Date: 2025-10-13 14:53:33
Also in:
linux-arm-msm, linux-mmc, lkml
Subsystem:
multimedia card (mmc), secure digital (sd) and sdio subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Ulf Hansson, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
From: Sachin Gupta <redacted> 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 <redacted> Signed-off-by: Ram Prakash Gupta <redacted> --- 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. + iommus: minItems: 1 maxItems: 8
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2.34.1