Re: [PATCH 2/2] ARM: dts: Add the ethernet and ethernet PHY to the cygnus core DT.

[Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>]

Hello.

On 4/25/2017 12:50 AM, Eric Anholt wrote:

> Cygnus has a single amac controller connected to the B53 switch with 2
> PHYs.  On the BCM911360_EP platform, those two PHYs are connected to
> the external ethernet jacks.

    My spell checker trips on "amac" and "ethernet" -- perhaps they need 
capitalization?

> Signed-off-by: Eric Anholt <eric@anholt.net>
> ---
>  arch/arm/boot/dts/bcm-cygnus.dtsi      | 60 ++++++++++++++++++++++++++++++++++
>  arch/arm/boot/dts/bcm911360_entphn.dts |  8 +++++
>  2 files changed, 68 insertions(+)
>
> diff --git a/arch/arm/boot/dts/bcm-cygnus.dtsi b/arch/arm/boot/dts/bcm-cygnus.dtsi
> index 009f1346b817..318899df9972 100644
> --- a/arch/arm/boot/dts/bcm-cygnus.dtsi
> +++ b/arch/arm/boot/dts/bcm-cygnus.dtsi
> @@ -142,6 +142,56 @@
>  			interrupts = <0>;
>  		};
>
> +		mdio: mdio@18002000 {
> +			compatible = "brcm,iproc-mdio";
> +			reg = <0x18002000 0x8>;
> +			#size-cells = <1>;
> +			#address-cells = <0>;
> +
> +			gphy0: eth-gphy@0 {

    The node anmes must be generic, the DT spec has standardized 
"ethernet-phy" name for this case.

> +				reg = <0>;
> +				max-speed = <1000>;
> +			};
> +
> +			gphy1: eth-gphy@1 {
> +				reg = <1>;
> +				max-speed = <1000>;
> +			};
> +		};
[...]
> @@ -295,6 +345,16 @@
>  			status = "disabled";
>  		};
>
> +		eth0: enet@18042000 {
> +			compatible = "brcm,amac";
> +			reg = <0x18042000 0x1000>,
> +			      <0x18110000 0x1000>;
> +			reg-names = "amac_base", "idm_base";

    I don't think "_base" suffixes are necessary here.

[...]

MBR, Sergei