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authorManish Narani <manish.narani@xilinx.com>2019-11-20 12:17:23 +0530
committerUlf Hansson <ulf.hansson@linaro.org>2019-11-20 13:55:55 +0100
commit1963ae50999b68f845961f5c3b83f91a393f59bd (patch)
tree9b5c954d9ad1309ca6aa1f26e230f03e646e7ac9 /Documentation
parentmmc: sdhci-of-arasan: Separate out clk related data to another structure (diff)
downloadlinux-dev-1963ae50999b68f845961f5c3b83f91a393f59bd.tar.xz
linux-dev-1963ae50999b68f845961f5c3b83f91a393f59bd.zip
dt-bindings: mmc: arasan: Update Documentation for the input clock
Add documentation for an optional input clock which is essentially used in sampling the input data coming from the card. Signed-off-by: Manish Narani <manish.narani@xilinx.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/mmc/arasan,sdhci.txt6
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
index eb78d9a28c8b..b0101c1f4864 100644
--- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
+++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
@@ -40,9 +40,9 @@ Optional Properties:
- clock-output-names: If specified, this will be the name of the card clock
which will be exposed by this device. Required if #clock-cells is
specified.
- - #clock-cells: If specified this should be the value <0>. With this property
- in place we will export a clock representing the Card Clock. This clock
- is expected to be consumed by our PHY. You must also specify
+ - #clock-cells: If specified this should be the value <0> or <1>. With this
+ property in place we will export one or two clocks representing the Card
+ Clock. These clocks are expected to be consumed by our PHY.
- xlnx,fails-without-test-cd: when present, the controller doesn't work when
the CD line is not connected properly, and the line is not connected
properly. Test mode can be used to force the controller to function.