openwrt/target/linux/starfive/patches-6.1/0050-riscv-dts-starfive-visionfive-2-v1.3B-Set-the-driver.patch

From c156cb9ec64669600c96dbb01bf38dd2370b1850 Mon Sep 17 00:00:00 2001
From: Samin Guo <samin.guo@starfivetech.com>
Date: Wed, 26 Apr 2023 14:41:12 +0800
Subject: [PATCH 050/122] riscv: dts: starfive: visionfive-2-v1.3B: Set the
 driver strength of RXC/RXD

VisionFive 2 v1.3B needs to increase the driver strength of rxd/rxc
to increase the stability of gmac's transmission.

Signed-off-by: Samin Guo <samin.guo@starfivetech.com>
---
 .../boot/dts/starfive/jh7110-starfive-visionfive-2-v1.3b.dts  | 4 ++++
 1 file changed, 4 insertions(+)

--- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2-v1.3b.dts
+++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2-v1.3b.dts
@@ -28,6 +28,8 @@
 	motorcomm,tx-clk-adj-enabled;
 	motorcomm,tx-clk-100-inverted;
 	motorcomm,tx-clk-1000-inverted;
+	rx-clk-driver-strength = <0x6>;
+	rx-data-driver-strength = <0x3>;
 	rx-internal-delay-ps = <1500>;
 	tx-internal-delay-ps = <1500>;
 };
@@ -35,6 +37,8 @@
 &phy1 {
 	motorcomm,tx-clk-adj-enabled;
 	motorcomm,tx-clk-100-inverted;
+	rx-clk-driver-strength = <0x6>;
+	rx-data-driver-strength = <0x3>;
 	rx-internal-delay-ps = <300>;
 	tx-internal-delay-ps = <0>;
 };