[PATCH 3/4] ARM64: dts: fsl: imx8mm-evk: add two parameters for picophy tuning

[Shawn Guo]

On Thu, Jul 09, 2020 at 06:59:01PM +0800, Peter Chen wrote:
> With these two parameters tuning, it can pass USB eye diagram at evk board.
> 
> Reviewed-by: Jun Li <jun.li at nxp.com>
> Signed-off-by: Peter Chen <peter.chen at nxp.com>

It's not so consistent, but idiomatically we prefix arm i.MX
platform/dts patches like 'ARM: ...', but 'arm64: ...' for arm64 ones.
Also with 'imx8mm-evk' in prefix, it's good enough to know this is
fsl/imx patch, so I suggest prefix like:

 'arm64: dts: imx8mm-evk: ...'

Shawn

> ---
>  arch/arm64/boot/dts/freescale/imx8mm-evk.dts | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
> index 0f1d7f8aeac4..c432b628e1ed 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
> @@ -324,6 +324,8 @@
>  	srp-disable;
>  	adp-disable;
>  	usb-role-switch;
> +	picophy,pre-emp-curr-control = <3>;
> +	picophy,dc-vol-level-adjust = <7>;
>  	status = "okay";
>  
>  	port {
> -- 
> 2.17.1
>