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

[Weijie Gao]

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 at chromium.org>
Tested-by: Daniel Golle <daniel at makrotopia.org>
Signed-off-by: Weijie Gao <weijie.gao at mediatek.com>
---
v3 changes: none
v2 changes: none
---
 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