[PATCH 11/31] arm: dts: mt7622: force high-speed mode for uart
Weijie Gao
weijie.gao at mediatek.com
Thu Aug 4 05:35:41 CEST 2022
The input clock for uart is too slow (25MHz) which introduces frequent data
error on both receiving and transmitting even if the baudrate is 115200.
Using high-speed can significantly solve this issue.
Signed-off-by: Weijie Gao <weijie.gao at mediatek.com>
---
arch/arm/dts/mt7622.dtsi | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/dts/mt7622.dtsi b/arch/arm/dts/mt7622.dtsi
index 0127474c95..fb6c1b7154 100644
--- a/arch/arm/dts/mt7622.dtsi
+++ b/arch/arm/dts/mt7622.dtsi
@@ -175,6 +175,7 @@
status = "disabled";
assigned-clocks = <&topckgen CLK_TOP_AXI_SEL>;
assigned-clock-parents = <&topckgen CLK_TOP_SYSPLL1_D2>;
+ mediatek,force-highspeed;
};
mmc0: mmc at 11230000 {
--
2.17.1
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