Messages in this thread | | | Subject | Re: [PATCH 2/3] dt-bindings: mmc: Add a new property disable-cqe-dcmd. | From | Philipp Tomsich <> | Date | Fri, 1 Mar 2019 17:45:06 +0100 |
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> On 01.03.2019, at 17:43, Christoph Muellner <christoph.muellner@theobroma-systems.com> wrote: > > This patch documents the new proprty disable-cqe-dcmd
typo: proprty -> property
> 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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