Re: [PATCH v4 8/8] [DNI] arm64: dts: renesas: eagle: Specify channel amplitude

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On 11/12/20 7:27 PM, Jacopo Mondi wrote:

> Use the newly introduced 'maxim,maxim,initial-reverse-channel-mV'

   "maxim," repeated twice.

> property to specify the initial reverse channel amplitude when the
> remote serializers are not pre-programmed with noise immunity threshold
> enabled.
> 
> Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/renesas/r8a77970-eagle.dts | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
> index 45b947d44cee..75296865104c 100644
> --- a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
> +++ b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
> @@ -308,6 +308,7 @@ gmsl: gmsl-deserializer@48 {
>  
>  		/* eagle-pca9654-max9286-pwdn */
>  		enable-gpios = <&io_expander 0 GPIO_ACTIVE_HIGH>;
> +		maxim,initial-reverse-channel-mV = <100>;
>  
>  		/*
>  		 * Workaround: Hog the CAMVDD line high as we can't establish a

MBR, Sergei



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