Re: [PATCH v2 2/3] ARM: dts: aspeed: ast2600evb: Add timing-phase property for eMMC controller

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Hi Steven,

On Mon, 3 May 2021, at 11:13, Steven Lee wrote:
> Set eMMC input clock phase to 3, which is more stable on AST2600 EVBs.
> 
> Signed-off-by: Steven Lee <steven_lee@xxxxxxxxxxxxxx>
> ---
>  arch/arm/boot/dts/aspeed-ast2600-evb.dts | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm/boot/dts/aspeed-ast2600-evb.dts 
> b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
> index 2772796e215e..7a93317e27dc 100644
> --- a/arch/arm/boot/dts/aspeed-ast2600-evb.dts
> +++ b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
> @@ -102,6 +102,7 @@
>  
>  &emmc_controller {
>  	status = "okay";
> +	timing-phase = <0x300FF>;

Please use the existing binding for phase corrections. The existing 
binding is already supported by the driver (added in v5.12).

Andrew



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