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| author | Christoph Muellner <christoph.muellner@theobroma-systems.com> | 2019-03-22 12:38:04 +0100 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2019-04-15 11:55:54 +0200 |
| commit | 28f22fb755ecf9f933f045bc0afdb8140641b01c (patch) | |
| tree | 443f55080d368fff57b758df1ca06c0f5174629a | |
| parent | 2198eeff2344f712eca677db298bd754348aa733 (diff) | |
| download | linux-28f22fb755ecf9f933f045bc0afdb8140641b01c.tar.bz2 | |
dt-bindings: mmc: Add disable-cqe-dcmd property.
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>
Fixes: 84362d79f436 ("mmc: sdhci-of-arasan: Add CQHCI support for arasan,sdhci-5.1")
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/mmc.txt | 2 |
1 files changed, 2 insertions, 0 deletions
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" |