Subject: Re: [PATCH V4 2/3] arm64: dts: imx8ulp: Add the fec support

From: Shawn Guo <[email-masked]>
Date: Wed, 17 Aug 2022 17:47:08 +0800

On Wed, Jul 27, 2022 at 12:38:52AM +1000, [email-masked] wrote:
> From: Wei Fang <[email-masked]>
> 
> Add the fec support on i.MX8ULP platforms.
> 
> Signed-off-by: Wei Fang <[email-masked]>
> Reviewed-by: Ahmad Fatoum <[email-masked]>
> ---
> V2 change:
> Remove the external clocks which is related to specific board.
> V3 change:
> No change.
> V4 Change:
> Add Reviewed-by tag.
> ---
>  arch/arm64/boot/dts/freescale/imx8ulp.dtsi | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
> index 60c1b018bf03..3e8a1e4f0fc2 100644
> --- a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
> @@ -16,6 +16,7 @@ / {
>  	#size-cells = <2>;
>  
>  	aliases {
> +		ethernet0 = &fec;
>  		gpio0 = &gpiod;
>  		gpio1 = &gpioe;
>  		gpio2 = &gpiof;
> @@ -365,6 +366,16 @@ usdhc2: mmc@298f0000 {
>  				bus-width = <4>;
>  				status = "disabled";
>  			};
> +
> +			fec: ethernet@29950000 {
> +				compatible = "fsl,imx8ulp-fec", "fsl,imx6ul-fec", "fsl,imx6q-fec";

Since imx8ulp-fec is compatible with imx6ul-fec, what's the point of
having imx6q-fec in there?  It can be dropped, I guess?

Shawn

> +				reg = <0x29950000 0x10000>;
> +				interrupts = <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>;
> +				interrupt-names = "int0";
> +				fsl,num-tx-queues = <1>;
> +				fsl,num-rx-queues = <1>;
> +				status = "disabled";
> +			};
>  		};
>  
>  		gpioe: gpio@2d000080 {
> -- 
> 2.25.1
>