spi/mcspi: allow configuration of pin directions

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / Documentation / devicetree / bindings / spi / omap-spi.txt

diff --git a/Documentation/devicetree/bindings/spi/omap-spi.txt b/Documentation/devicetree/bindings/spi/omap-spi.txt
index 81df374adbb97f53a8c7b8d56cb21e70e5d39cb3..2ef0a6b85653c4dc0ddbd18aac6c958c839f5004 100644 (file)
--- a/Documentation/devicetree/bindings/spi/omap-spi.txt
+++ b/Documentation/devicetree/bindings/spi/omap-spi.txt
@@ -6,7 +6,9 @@ Required properties:
   - "ti,omap4-spi" for OMAP4+.
 - ti,spi-num-cs : Number of chipselect supported  by the instance.
 - ti,hwmods: Name of the hwmod associated to the McSPI
-
+- ti,pindir-d0-in-d1-out: Select the D0 pin as input and D1 as
+                         output. The default is D0 as output and
+                         D1 as input.
 
 Example: