[PATCH v6 1/5] dt-bindings: mmc: Add dll-presets values for HS400 and HS200 modes

Ram Prakash Gupta
2025-12-15T12:00:29Z

From: Sachin Gupta <quic_sachgupt@quicinc.com>

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@quicinc.com>
Signed-off-by: Ram Prakash Gupta <quic_rampraka@quicinc.com>
---
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 938be8228d66..a1a16e6e12ce 100644
--- a/Documentation/devicetree/bindings/mmc/sdhci-msm.yaml
+++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.yaml
@@ -140,6 +140,11 @@ 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
--
2.34.1