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-rw-r--r--Documentation/devicetree/bindings/i2c/i2c-davinci.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c-davinci.txt b/Documentation/devicetree/bindings/i2c/i2c-davinci.txt
index 2dc935b4113d..a4e1cbc810c1 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-davinci.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-davinci.txt
@@ -10,6 +10,9 @@ Required properties:
Recommended properties :
- interrupts : standard interrupt property.
- clock-frequency : desired I2C bus clock frequency in Hz.
+- ti,has-pfunc: boolean; if defined, it indicates that SoC supports PFUNC
+ registers. PFUNC registers allow to switch I2C pins to function as
+ GPIOs, so they can by toggled manually.
Example (enbw_cmc board):
i2c@1c22000 {