From 2d146c6e550a4fb7f24ca44739cf14594cc2f892 Mon Sep 17 00:00:00 2001
From: Samin Guo <samin.guo@starfivetech.com>
Date: Tue, 25 Apr 2023 18:51:15 +0800
Subject: [PATCH 049/122] dt-bindings: net: motorcomm: Add pad driver strength
 cfg

The motorcomm phy (YT8531) supports the ability to adjust the drive
strength of the rx_clk/rx_data, the value range of pad driver
strength is 0 to 7.

Signed-off-by: Samin Guo <samin.guo@starfivetech.com>
---
 .../devicetree/bindings/net/motorcomm,yt8xxx.yaml      | 10 ++++++++++
 1 file changed, 10 insertions(+)

--- a/Documentation/devicetree/bindings/net/motorcomm,yt8xxx.yaml
+++ b/Documentation/devicetree/bindings/net/motorcomm,yt8xxx.yaml
@@ -18,6 +18,16 @@ properties:
       - ethernet-phy-id4f51.e91a
       - ethernet-phy-id4f51.e91b
 
+  rx-clk-driver-strength:
+    description: drive strength of rx_clk pad.
+    enum: [ 0, 1, 2, 3, 4, 5, 6, 7 ]
+    default: 3
+
+  rx-data-driver-strength:
+    description: drive strength of rxd/rx_ctl rgmii pad.
+    enum: [ 0, 1, 2, 3, 4, 5, 6, 7 ]
+    default: 3
+
   rx-internal-delay-ps:
     description: |
       RGMII RX Clock Delay used only when PHY operates in RGMII mode with
