Messages in this thread Patch in this message | | | From | Christoph Muellner <> | Subject | [PATCH v3 1/3] dt-bindings: mmc: Add disable-cqe-dcmd property. | Date | Fri, 22 Mar 2019 12:38:04 +0100 |
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Add disable-cqe-dcmd as optional property for MMC hosts. This property allows to disable or not enable the direct command features of the command queue engine.
Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com> Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com> --- Documentation/devicetree/bindings/mmc/mmc.txt | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt index cdbcfd3a4ff2..c269dbe384fe 100644 --- a/Documentation/devicetree/bindings/mmc/mmc.txt +++ b/Documentation/devicetree/bindings/mmc/mmc.txt @@ -64,6 +64,8 @@ Optional properties: whether pwrseq-simple is used. Default to 10ms if no available. - supports-cqe : The presence of this property indicates that the corresponding MMC host controller supports HW command queue feature. +- disable-cqe-dcmd: This property indicates that the MMC controller's command + queue engine (CQE) does not support direct commands (DCMDs). *NOTE* on CD and WP polarity. To use common for all SD/MMC host controllers line polarity properties, we have to fix the meaning of the "normal" and "inverted" -- 2.11.0
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