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| author | Christoph Muellner <christoph.muellner@theobroma-systems.com> | 2019-03-01 16:41:44 +0100 |
|---|---|---|
| committer | Christoph Müllner <christophm30@gmail.com> | 2019-04-07 15:23:03 +0200 |
| commit | 94f0c82a4d73cc307e6886e52fa420e8a4793292 (patch) | |
| tree | d443998016795e38821a9534ffd9ce6e57b43c65 | |
| parent | c1e761821204b31ad5e413af326ba1513ec247ca (diff) | |
dt-bindings: mmc: Add a new property disable-cqe-dcmd.
This patch documents the new property disable-cqe-dcmd
for the Arasan eMMC 5.1 driver.
Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/arasan,sdhci.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt index f6ddba31cb73..722076643d01 100644 --- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt +++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt @@ -39,6 +39,10 @@ Optional Properties: properly. Test mode can be used to force the controller to function. - xlnx,int-clock-stable-broken: when present, the controller always reports that the internal clock is stable even when it is not. + - disable-cqe-dcmd: The eMMC 5.1 standard specifies direct commands (DCMDs) + as part of the command queue engine (CQE). On controllers with a CQHCI, + such as the Arasan eMMC 5.1 host controller, the driver has to enable DCMDs. + This is done unless disable-cqe-dcmd is specified. Example: sdhci@e0100000 { |