| Message ID | 20190301164349.60589-2-christoph.muellner@theobroma-systems.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/3] dt-bindings: mmc: Add DTS property to disable DCMDs on Arasan controllers | expand |
> 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 >
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 {