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-rw-r--r--Documentation/devicetree/bindings/net/macb.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/macb.txt b/Documentation/devicetree/bindings/net/macb.txt
index 9c5e94482b5f..199e6f616dc4 100644
--- a/Documentation/devicetree/bindings/net/macb.txt
+++ b/Documentation/devicetree/bindings/net/macb.txt
@@ -35,12 +35,19 @@ Optional properties for PHY child node:
up via magic packet.
- phy-handle : see ethernet.txt file in the same directory
+Optional properties:
+- tsu-clk: Time stamp unit clock frequency used.
+- rx-watermark: Set watermark value for pbuf_rxcutthru reg and enable
+ rx partial store and forward, only when compatible = "cdns,zynqmp-gem".
+ Value should be less than 0xFFF.
+
Examples:
macb0: ethernet@fffc4000 {
compatible = "cdns,at32ap7000-macb";
reg = <0xfffc4000 0x4000>;
interrupts = <21>;
+ rx-watermark = /bits/ 16 <0x44>;
phy-mode = "rmii";
local-mac-address = [3a 0e 03 04 05 06];
clock-names = "pclk", "hclk", "tx_clk";