On Wed, Aug 31, 2022 at 07:04:34PM +0800, Weijie Gao wrote:
> 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.
Tested on Bananapi BPi-R64 (MT7622).
Fixes unstable console issues previously observed on MT7622 systems.
Tested-by: Daniel Golle <dan...@makrotopia.org>
>
> Reviewed-by: Simon Glass <s...@chromium.org>
> Signed-off-by: Weijie Gao <weijie....@mediatek.com>
> ---
> 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@11230000 {
> --
> 2.17.1
>
