Messages in this thread Patch in this message | | | Subject | [PATCH] dt-bindings: fsi-master-gpio: Document "no-gpio-delays" property | From | Benjamin Herrenschmidt <> | Date | Tue, 29 May 2018 11:43:40 +1000 |
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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> --- Documentation/devicetree/bindings/fsi/fsi-master-gpio.txt | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/fsi/fsi-master-gpio.txt b/Documentation/devicetree/bindings/fsi/fsi-master-gpio.txt index a767259dedad..1e442450747f 100644 --- a/Documentation/devicetree/bindings/fsi/fsi-master-gpio.txt +++ b/Documentation/devicetree/bindings/fsi/fsi-master-gpio.txt @@ -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:
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