Re: [PATCH 2/4] arm64: dts: ti: k3-j7200-common-proc-board: Add ethernet alias

[Hari Prasath G E <gehariprasath@ti.com>]

Hello Udit,

On 9/6/2026 7:34 PM, Kumar, Udit wrote:
> 
> 
> On 9/6/2026 5:48 PM, Hari Prasath G E wrote:
>> Hello Udit,
>>
>> On 9/6/2026 11:13 AM, Kumar, Udit wrote:
>>>
>>>
>>> On 8/11/2026 11:43 AM, Siddharth Vadapalli wrote:
>>>> Add the 'ethernet0' alias for the Ethernet interface corresponding to
>>>> the
>>>> MCU CPSW2G instance of the CPSW Ethernet Switch on the J7200 Common
>>>> Processor Board.
>>>>
>>>> Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
>>>> ---
>>>>    arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts | 1 +
>>>>    1 file changed, 1 insertion(+)
>>>>
>>>> diff --git a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts b/
>>>> arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
>>>> index 54dea36b153b..ac1c1ffe40b7 100644
>>>> --- a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
>>>> +++ b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
>>>> @@ -24,6 +24,7 @@ aliases {
>>>>            serial5 = &main_uart3;
>>>>            mmc0 = &main_sdhci0;
>>>>            mmc1 = &main_sdhci1;
>>>> +        ethernet0 = &cpsw_port1;
>>>
>>> Hello Siddharth,
>>> As default only 1 cpsw port is enabled for all boards in this series.
>>> So ethernet0 will be cpsw_port1 always, In case you want to enable more
>>> port in default config then having aliasing will help.
>>>
>>> otherwise, you can consider to add aliasing in overlays where you enable
>>> more than 1 port.
>>>
>>
>> The first patch in the series for k3-am62a7-sk has two ports enabled by
>> default, so there it's fine to add alias. Also, there are many other TI
> 
> May be I am missing something, but i don't see two port are enabled for
> am62a7
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts#n796
> 
> 

Apologies, I mistakenly looked at the TI vendor kernel where it's 
enabled on both ports. I think still the below reasoning is valid to 
take this patch series in. Let's wait for Siddharth to come back with 
this comments.

Regards,
Hari

>> K3 platforms which have only one cpsw port enabled but still define
>> aliases. So I guess to keep it consistent, we can decide to accept this.
>> If future overlays are added, this will just mean reserving eth0 for
>> cpsw port1 which is also fine. I am fine to move with accepting this
>> series.
>>
>> Acked-by: Hari Prasath Gujulan Elango <gehariprasath@ti.com>
> 
> 
>>
>> Regards,
>> Hari
>>
>>>>        };
>>>>          chosen {
>>>
>>
>