From c156cb9ec64669600c96dbb01bf38dd2370b1850 Mon Sep 17 00:00:00 2001 From: Samin Guo 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 --- .../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>; };