diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml index 4138068a3db4dd6add17ffe41f20f1fafc63d88e..90e4e1f86f9f7e33fd170dfeb965eb0dde293c67 100644 --- a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml +++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml @@ -106,6 +106,17 @@ properties: Only eMMC HS400 mode need to take care of this property. default: 0 + fsl,sdio-interrupt-enabled: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Recommend for SDIO cards that enables SDIO interrupt for SDR104 and SDR50 operating + modes. SDIO interrupt uses DAT[1] to signal the card's interrupt to the i.MX + device. uSDHC tuning mechanism must use DAT[0] and CMD signals to avoid a possible + conflict and incorrect delay line calculated by the uSDHC auto tuning mechanism. + Enabling this device tree property is only recommended for layouts that are + matching the SD interface length. + default: 0 + required: - compatible - reg