blob: 8dca72ad168d84e8f861738ee7e067228d470138 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
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>;
};
|