[PATCH 20/22] arm64: dts: renesas: r8a77995: draak: enable EthernetAVB

Sergei Shtylyov sergei.shtylyov at cogentembedded.com
Sat Sep 30 03:24:09 PDT 2017


Hello!

On 9/29/2017 2:52 PM, Simon Horman wrote:

> From: Yoshihiro Shimoda <yoshihiro.shimoda.uh at renesas.com>
> 
> This patch enables EthernetAVB for R-Car D3 draak board.
> 
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh at renesas.com>
> Reviewed-by: Geert Uytterhoeven <geert+renesas at glider.be>
> Signed-off-by: Simon Horman <horms+renesas at verge.net.au>
> ---
>   arch/arm64/boot/dts/renesas/r8a77995-draak.dts | 25 +++++++++++++++++++++++++
>   1 file changed, 25 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
> index 7b776cb7e928..96b7ff5cc321 100644
> --- a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
> +++ b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
[...]
> @@ -37,6 +39,14 @@
>   };
>   
>   &pfc {
> +	avb0_pins: avb {
> +		mux {
> +			groups = "avb0_link", "avb0_phy_int", "avb0_mdc",
                                               ^^^^^^^^^^^^^^
    Hum, I don't think it's compatible with routing the PHY interrupt via 
GPIO5_19 below. The driver doesn't support signalling via AVB_PHY_INT anyway.

> +				 "avb0_mii";
> +			function = "avb0";
> +		};
> +	};
> +
>   	scif2_pins: scif2 {
>   		groups = "scif2_data";
>   		function = "scif2";
> @@ -56,6 +66,21 @@
>   	status = "okay";
>   };
>   
> +&avb {
> +	pinctrl-0 = <&avb0_pins>;
> +	pinctrl-names = "default";
> +	renesas,no-ether-link;
> +	phy-handle = <&phy0>;
> +	status = "okay";
> +
> +	phy0: ethernet-phy at 0 {
> +		rxc-skew-ps = <1500>;
> +		reg = <0>;
> +		interrupt-parent = <&gpio5>;
> +		interrupts = <19 IRQ_TYPE_LEVEL_LOW>;
> +	};
> +};
> +
>   &scif2 {
>   	pinctrl-0 = <&scif2_pins>;
>   	pinctrl-names = "default";

MBR, Sergei



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