diff mbox series

[v3,11/32] arm: dts: mt7622: force high-speed mode for uart

Message ID 75c3e9d9ddd2d9056f56b25268acedec6687f379.1662722729.git.weijie.gao@mediatek.com
State Accepted
Commit bc15e30346e9ed181b74045e64fc496f9c4ce086
Delegated to: Tom Rini
Headers show
Series Add support for MediaTek MT7981/MT7986 SoCs - v3 | expand

Commit Message

Weijie Gao (高惟杰) Sept. 9, 2022, 11:59 a.m. UTC 
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.

Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
---
v3 changes: none
v2 changes: none
---
 arch/arm/dts/mt7622.dtsi | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

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@11230000 {