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| author | Sifan Naeem <sifan.naeem@imgtec.com> | 2015-06-17 18:13:39 +0100 |
|---|---|---|
| committer | Govindraj Raja <Govindraj.Raja@imgtec.com> | 2015-06-22 16:01:38 +0100 |
| commit | 47bfed01db95543b7b97f84d75328815f86a392a (patch) | |
| tree | ff3baa8d60c0d3d9e72abe2ae8732f71d2693a15 /Documentation/devicetree | |
| parent | e0e20659299ac253d0bbee73a8b9cb5aa697dab6 (diff) | |
| download | v4.1-47bfed01db95543b7b97f84d75328815f86a392a.tar.gz | |
spi: img-spfi: check for max speed supported by the spfi block
Maximum speed supported by spfi is limited to 1/4 of the spfi clock.
But in some SoCs the maximum speed supported by the spfi block can
be limited to less than 1/4 of the spfi clock. In such cases we have
to define the limit in the device tree so that the driver can pick
it up.
Change-Id: I0397e46c4742d457d5d089095bd0ff3a715a7745
Signed-off-by: Sifan Naeem <sifan.naeem@imgtec.com>
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/spi-img-spfi.txt | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-img-spfi.txt b/Documentation/devicetree/bindings/spi/spi-img-spfi.txt index e02fbf18c82..494db6012d0 100644 --- a/Documentation/devicetree/bindings/spi/spi-img-spfi.txt +++ b/Documentation/devicetree/bindings/spi/spi-img-spfi.txt @@ -21,6 +21,7 @@ Required properties: Optional properties: - img,supports-quad-mode: Should be set if the interface supports quad mode SPI transfers. +- spfi-max-frequency: Maximum speed supported by the spfi block. Example: |