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Commit e4ba1578 authored by Christoph Muellner's avatar Christoph Muellner Committed by Greg Kroah-Hartman
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dt-bindings: mmc: Add disable-cqe-dcmd property. 



[ Upstream commit 28f22fb755ecf9f933f045bc0afdb8140641b01c ]

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: default avatarChristoph Muellner <christoph.muellner@theobroma-systems.com>
Signed-off-by: default avatarPhilipp Tomsich <philipp.tomsich@theobroma-systems.com>
Fixes: 84362d79 ("mmc: sdhci-of-arasan: Add CQHCI support for arasan,sdhci-5.1")
Cc: stable@vger.kernel.org
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent eb83f9fa

Documentation/devicetree/bindings/mmc/mmc.txt

+2 −0
Original line number Diff line number Diff line
@@ -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"