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dt-bindings: fsi-master-gpio: Document "no-gpio-delays" property 

Support for this is being added to the driver but the original
patch forgot to add this documentation.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Benjamin Herrenschmidt 2018-05-29 11:43:40 +10:00 committed by Rob Herring
parent 399d9e0695
commit b4fb3aa5b9
1 changed files with 4 additions and 0 deletions
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4
Documentation/devicetree/bindings/fsi/fsi-master-gpio.txt
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@ -11,6 +11,10 @@ Optional properties:
- trans-gpios = <gpio-descriptor>; : GPIO for voltage translator enable
- mux-gpios = <gpio-descriptor>; : GPIO for pin multiplexing with other
functions (eg, external FSI masters)
- no-gpio-delays; : Don't add extra delays between GPIO
accesses. This is useful when the HW
GPIO block is running at a low enough
frequency.
Examples: