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author | Sahitya Tummala <stummala@codeaurora.org> | 2014-09-25 14:32:33 +0200 |
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committer | Christoph Hellwig <hch@lst.de> | 2014-10-01 13:11:25 +0200 |
commit | 4cff6d991e4a291cf50fe2659da2ea9ad46620bf (patch) | |
tree | c82f172707927470412a8ec0c2ff2feb5bc8baa7 /Documentation/devicetree/bindings/ufs | |
parent | ufs: Add support for clock gating (diff) | |
download | linux-4cff6d991e4a291cf50fe2659da2ea9ad46620bf.tar.xz linux-4cff6d991e4a291cf50fe2659da2ea9ad46620bf.zip |
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.txt | 12 |
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>; }; |