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

   1 From c156cb9ec64669600c96dbb01bf38dd2370b1850 Mon Sep 17 00:00:00 2001
   2 From: Samin Guo <samin.guo@starfivetech.com>
   3 Date: Wed, 26 Apr 2023 14:41:12 +0800
   4 Subject: [PATCH 050/122] riscv: dts: starfive: visionfive-2-v1.3B: Set the
   5  driver strength of RXC/RXD
   6
   7 VisionFive 2 v1.3B needs to increase the driver strength of rxd/rxc
   8 to increase the stability of gmac's transmission.
   9
  10 Signed-off-by: Samin Guo <samin.guo@starfivetech.com>
  11 ---
  12  .../boot/dts/starfive/jh7110-starfive-visionfive-2-v1.3b.dts  | 4 ++++
  13  1 file changed, 4 insertions(+)
  14
  15 --- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2-v1.3b.dts
  16 +++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2-v1.3b.dts
  17 @@ -28,6 +28,8 @@
  18         motorcomm,tx-clk-adj-enabled;
  19         motorcomm,tx-clk-100-inverted;
  20         motorcomm,tx-clk-1000-inverted;
  21 +       rx-clk-driver-strength = <0x6>;
  22 +       rx-data-driver-strength = <0x3>;
  23         rx-internal-delay-ps = <1500>;
  24         tx-internal-delay-ps = <1500>;
  25  };
  26 @@ -35,6 +37,8 @@
  27  &phy1 {
  28         motorcomm,tx-clk-adj-enabled;
  29         motorcomm,tx-clk-100-inverted;
  30 +       rx-clk-driver-strength = <0x6>;
  31 +       rx-data-driver-strength = <0x3>;
  32         rx-internal-delay-ps = <300>;
  33         tx-internal-delay-ps = <0>;
  34  };