[PATCH 3/3] arm64: dts: renesas: eagle: add EtherAVB pins

Sergei Shtylyov sergei.shtylyov at cogentembedded.com
Wed Nov 15 12:21:19 PST 2017


Hello!

On 11/15/2017 07:21 PM, Geert Uytterhoeven wrote:

>>>> Add the (previously omitted) EtherAVB pin data to the Eagle board's
>>>> device tree.
> 
>>>> --- renesas.orig/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
>>>> +++ renesas/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
>>>> @@ -34,6 +34,9 @@
>>
>> [...]
>>>>
>>>> @@ -53,6 +56,11 @@
>>>>    };
>>>>
>>>>    &pfc {
>>>> +       avb_pins: avb {
>>>> +               groups = "avb0_mdio", "avb0_mii";
>>>
>>>
>>> Oh no, its'called "avb0_mdio" here, but "avb(0)_mdc" on all other
>>> R-Car Gen3 SoCs?
>>
>>
>>     Can you remember the reason? I don;t want to follow the bad example. :-)
> 
> Sorry, I don't know.

    Hm, you seem to have participated in the related discussions for H2/M3-W...
The reason was that omlu AVB_MDC signal was multiplexed, AVB_MDIO signal (and 
AVB MII signals) was mapped to a dedicated pin without any multiplexing, so 
the "avb_mdc" group initially contained only AVB_MDC.

> Gr{oetje,eeting}s,

MBR, Sergei



More information about the linux-arm-kernel mailing list