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93e6581b90
Import pending patch "arm: dts: mt7622: force high-speed mode for uart"
from Weijie Gao <weijie.gao@mediatek.com> fixing the UART problems on
MT7622 which made it hard to use the U-Boot menu on devices with this
SoC.
This patch is also contained in commit
c09eb08dad ("uboot-mediatek: add support for MT798x platforms")
in the development branch.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
27 lines
869 B
Diff
27 lines
869 B
Diff
From 79786aa175010dde78f95970939e8efadd7a3295 Mon Sep 17 00:00:00 2001
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From: Weijie Gao <weijie.gao@mediatek.com>
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Date: Wed, 31 Aug 2022 19:04:34 +0800
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Subject: [PATCH 11/32] arm: dts: mt7622: force high-speed mode for uart
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The input clock for uart is too slow (25MHz) which introduces frequent data
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error on both receiving and transmitting even if the baudrate is 115200.
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Using high-speed can significantly solve this issue.
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Reviewed-by: Simon Glass <sjg@chromium.org>
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Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
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---
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arch/arm/dts/mt7622.dtsi | 1 +
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1 file changed, 1 insertion(+)
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--- a/arch/arm/dts/mt7622.dtsi
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+++ b/arch/arm/dts/mt7622.dtsi
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@@ -191,6 +191,7 @@
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status = "disabled";
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assigned-clocks = <&topckgen CLK_TOP_AXI_SEL>;
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assigned-clock-parents = <&topckgen CLK_TOP_SYSPLL1_D2>;
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+ mediatek,force-highspeed;
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};
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mmc0: mmc@11230000 {
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