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path: root/target/linux/starfive/patches-6.1/0061-dt-bindings-net-motorcomm-Add-pad-driver-strength-cf.patch
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From 16214121afaadb8ae9aaf73351e874405eb47c15 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 061/122] 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    | 12 ++++++++++++
 1 file changed, 12 insertions(+)

--- a/Documentation/devicetree/bindings/net/motorcomm,yt8xxx.yaml
+++ b/Documentation/devicetree/bindings/net/motorcomm,yt8xxx.yaml
@@ -62,6 +62,18 @@ properties:
       for a timer.
     type: boolean
 
+  motorcomm,rx-clk-driver-strength:
+    description: drive strength of rx_clk pad.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [ 0, 1, 2, 3, 4, 5, 6, 7 ]
+    default: 3
+
+  motorcomm,rx-data-driver-strength:
+    description: drive strength of rx_data/rx_ctl rgmii pad.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [ 0, 1, 2, 3, 4, 5, 6, 7 ]
+    default: 3
+
   motorcomm,tx-clk-adj-enabled:
     description: |
       This configuration is mainly to adapt to VF2 with JH7110 SoC.