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-rw-r--r--dts/Bindings/arm/mediatek/mediatek,sgmiisys.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/dts/Bindings/arm/mediatek/mediatek,sgmiisys.txt b/dts/Bindings/arm/mediatek/mediatek,sgmiisys.txt
index 30cb645c0e..f5518f26a9 100644
--- a/dts/Bindings/arm/mediatek/mediatek,sgmiisys.txt
+++ b/dts/Bindings/arm/mediatek/mediatek,sgmiisys.txt
@@ -9,6 +9,8 @@ Required Properties:
- "mediatek,mt7622-sgmiisys", "syscon"
- "mediatek,mt7629-sgmiisys", "syscon"
- #clock-cells: Must be 1
+- mediatek,physpeed: Should be one of "auto", "1000" or "2500" to match up
+ the capability of the target PHY.
The SGMIISYS controller uses the common clk binding from
Documentation/devicetree/bindings/clock/clock-bindings.txt