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-rw-r--r--Documentation/devicetree/bindings/net/ethernet-phy.yaml16
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/ethernet-phy.yaml b/Documentation/devicetree/bindings/net/ethernet-phy.yaml
index 2c71454ae8e3..71e2cd32580f 100644
--- a/Documentation/devicetree/bindings/net/ethernet-phy.yaml
+++ b/Documentation/devicetree/bindings/net/ethernet-phy.yaml
@@ -232,6 +232,22 @@ properties:
PHY's that have configurable TX internal delays. If this property is
present then the PHY applies the TX delay.
+ tx-amplitude-100base-tx-percent:
+ description:
+ Transmit amplitude gain applied for 100BASE-TX. 100% matches 2V
+ peak-to-peak specified in ANSI X3.263. When omitted, the PHYs default
+ will be left as is.
+
+ mac-termination-ohms:
+ maximum: 200
+ description:
+ The xMII signals need series termination on the driver side to match both
+ the output driver impedance and the line characteristic impedance, to
+ prevent reflections and EMI problems. Select a resistance value which is
+ supported by the builtin resistors of the PHY, otherwise the resistors may
+ have to be placed on board. When omitted, the PHYs default will be left as
+ is.
+
leds:
type: object