[PATCH 1/2] arm: dts: k3-am654: Increase OSPI default frequency to 50MHz

[Pratyush Yadav]

On 02/04/20 06:59PM, Vignesh Raghavendra wrote:
> In 1 bit mode OSPI can work at upto 50MHz, this provides before write
						  ^^^^^^^^^^^^^^^^^^^^^
Provides _what_ before write performance? Did you mean "provides better 
write performance"? Same in the second patch too.

> performance. Therefore increase frequency from 40MHz to 50MHz
> 
> Signed-off-by: Vignesh Raghavendra <vigneshr at ti.com>
> ---
>  arch/arm/dts/k3-am654-base-board.dts    | 2 +-
>  arch/arm/dts/k3-am654-r5-base-board.dts | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/dts/k3-am654-base-board.dts b/arch/arm/dts/k3-am654-base-board.dts
> index 5058b6c88e96..3ebf4af5e47a 100644
> --- a/arch/arm/dts/k3-am654-base-board.dts
> +++ b/arch/arm/dts/k3-am654-base-board.dts
> @@ -191,7 +191,7 @@
>  		reg = <0x0>;
>  		spi-tx-bus-width = <1>;
>  		spi-rx-bus-width = <8>;
> -		spi-max-frequency = <40000000>;
> +		spi-max-frequency = <50000000>;
>  		cdns,tshsl-ns = <60>;
>  		cdns,tsd2d-ns = <60>;
>  		cdns,tchsh-ns = <60>;
> diff --git a/arch/arm/dts/k3-am654-r5-base-board.dts b/arch/arm/dts/k3-am654-r5-base-board.dts
> index 257b56a1b032..e6b78643c197 100644
> --- a/arch/arm/dts/k3-am654-r5-base-board.dts
> +++ b/arch/arm/dts/k3-am654-r5-base-board.dts
> @@ -268,7 +268,7 @@
>  		reg = <0x0>;
>  		spi-tx-bus-width = <1>;
>  		spi-rx-bus-width = <8>;
> -		spi-max-frequency = <40000000>;
> +		spi-max-frequency = <50000000>;
>  		cdns,tshsl-ns = <60>;
>  		cdns,tsd2d-ns = <60>;
>  		cdns,tchsh-ns = <60>;
> -- 
> 2.26.0
> 

-- 
Regards,
Pratyush Yadav
Texas Instruments India