Messages in this thread Patch in this message | | | From | Christoph Muellner <> | Subject | [PATCH v2 2/3] dt-bindings: mmc: Add a new property disable-cqe-dcmd. | Date | Thu, 7 Mar 2019 09:43:27 +0100 |
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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> --- Documentation/devicetree/bindings/mmc/arasan,sdhci.txt | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt index 1edbb049cccb..ec699bf98b7c 100644 --- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt +++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt @@ -44,6 +44,10 @@ 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 { -- 2.11.0
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