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| author | Dong Aisheng <aisheng.dong@nxp.com> | 2021-11-30 15:01:15 +0800 |
|---|---|---|
| committer | Dong Aisheng <aisheng.dong@nxp.com> | 2021-11-30 15:01:15 +0800 |
| commit | 1391d1e494781d6be757594cacecff3155e0aba6 (patch) | |
| tree | 6b7d9af394bf0065408e1c90ac0ea1a7635415fa /Documentation/devicetree/bindings/mmc | |
| parent | 31d6526b90ea8222bf8f255ec649d769c224f944 (diff) | |
| parent | 445ee679a153c87759e2aef0672ec994aab33b13 (diff) | |
Merge branch 'sdhc/next' into next
* sdhc/next: (8 commits)
MLK-25674 mmc: sdhci-esdhc-imx: remove command queue feature support
LF-4686 mmc: sdhci: disable irq in sdhci host suspend ranther than free this irq
mmc: host: sdhci-esdhc-imx.c: correct the auto-tuning setting for sdio device
dt-bindings: mmc: fsl-imx-esdhc: add fsl,sdio-async-interrupt-enabled binding
mmc: sdhci-of-esdhc: support ACPI
...
Diffstat (limited to 'Documentation/devicetree/bindings/mmc')
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml index f9d095762a3f..a548bbda1e8e 100644 --- a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml +++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml @@ -132,6 +132,16 @@ properties: - const: default - const: sleep + fsl,sdio-async-interrupt-enabled: + description: | + Recommend for SDIO cards that enables SDIO async interrupt for SDR104 and SDR50 + operating modes. SDIO async interrupt uses DAT[1] to signal the card's interrupt. + 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. + type: boolean + required: - compatible - reg |