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