On 7/03/19 10:43 AM, Christoph Muellner wrote: > This patch documents the new property disable-cqe-dcmd > for the Arasan eMMC 5.1 driver. > > Signed-off-by: Christoph Muellner <christoph.muellner@xxxxxxxxxxxxxxxxxxxxx> > Signed-off-by: Philipp Tomsich <philipp.tomsich@xxxxxxxxxxxxxxxxxxxxx> > --- > 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. If "supports-cqe" is in mmc.txt, should "disable-cqe-dcmd" be there also?
