[PATCH v2 03/11] dt-bindings: arm: mediatek: add 'mediatek,pn_swap' property

[Daniel Golle]

Add documentation for the newly introduced 'mediatek,pn_swap' property
to mediatek,sgmiisys.txt.

Signed-off-by: Daniel Golle <daniel at makrotopia.org>
---
 .../devicetree/bindings/arm/mediatek/mediatek,sgmiisys.txt    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,sgmiisys.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,sgmiisys.txt
index d2c24c277514..b38dd0fde21d 100644
--- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,sgmiisys.txt
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,sgmiisys.txt
@@ -14,6 +14,10 @@ Required Properties:
 	- "mediatek,mt7986-sgmiisys_1", "syscon"
 - #clock-cells: Must be 1
 
+Optional Properties:
+
+- mediatek,pn_swap: Invert polarity of the SGMII data lanes.
+
 The SGMIISYS controller uses the common clk binding from
 Documentation/devicetree/bindings/clock/clock-bindings.txt
 The available clocks are defined in dt-bindings/clock/mt*-clk.h.
-- 
2.39.1