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authorSahitya Tummala <stummala@codeaurora.org>2014-09-25 16:32:33 +0400
committerChristoph Hellwig <hch@lst.de>2014-10-01 15:11:25 +0400
commit4cff6d991e4a291cf50fe2659da2ea9ad46620bf (patch)
treec82f172707927470412a8ec0c2ff2feb5bc8baa7 /Documentation/devicetree/bindings/ufs
parent1ab27c9cf8b63dd8dec9e17b5c17721c7f3b6cc7 (diff)
downloadlinux-4cff6d991e4a291cf50fe2659da2ea9ad46620bf.tar.xz
ufs: Add freq-table-hz property for UFS device
Add freq-table-hz propery for UFS device to keep track of <min max> frequencies supported by UFS clocks. Signed-off-by: Sahitya Tummala <stummala@codeaurora.org> Signed-off-by: Dolev Raviv <draviv@codeaurora.org> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'Documentation/devicetree/bindings/ufs')
-rw-r--r--Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt12
1 files changed, 6 insertions, 6 deletions
diff --git a/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt b/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt
index fb1234e0532c..53579197eca2 100644
--- a/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt
+++ b/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt
@@ -26,11 +26,11 @@ Optional properties:
- clocks : List of phandle and clock specifier pairs
- clock-names : List of clock input name strings sorted in the same
order as the clocks property.
-- max-clock-frequency-hz : List of maximum operating frequency stored in the same
- order as the clocks property. If this property is not
- defined or a value in the array is "0" then it is assumed
- that the frequency is set by the parent clock or a
- fixed rate clock source.
+- freq-table-hz : Array of <min max> operating frequencies stored in the same
+ order as the clocks property. If this property is not
+ defined or a value in the array is "0" then it is assumed
+ that the frequency is set by the parent clock or a
+ fixed rate clock source.
Note: If above properties are not defined it can be assumed that the supply
regulators or clocks are always on.
@@ -53,5 +53,5 @@ Example:
clocks = <&core 0>, <&ref 0>, <&iface 0>;
clock-names = "core_clk", "ref_clk", "iface_clk";
- max-clock-frequency-hz = <100000000 19200000 0>;
+ freq-table-hz = <100000000 200000000>, <0 0>, <0 0>;
};