linux-kernel - Re: [PATCH v2 2/4] arm64: dts: agilex5: add gmac nodes

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Message-ID: <c3c5155b-fd0e-4790-bbd5-3874077e8159@kernel.org>
Date: Mon, 2 Dec 2024 10:32:01 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Steffen Trumtrar <s.trumtrar@...gutronix.de>
Cc: Dinh Nguyen <dinguyen@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Richard Cochran <richardcochran@...il.com>,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd
 <sboyd@...nel.org>, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
 linux-clk@...r.kernel.org, kernel@...gutronix.de
Subject: Re: [PATCH v2 2/4] arm64: dts: agilex5: add gmac nodes

On 02/12/2024 09:45, Steffen Trumtrar wrote:
>>> diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi b/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
>>> index b1debf0317d0576f7b00200e9593481671183faa..647ccd0b5a66b68fab745d443b975c12d6ce63df 100644
>>> --- a/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
>>> +++ b/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
>>> @@ -141,6 +141,93 @@ soc: soc@0 {
>>>  		device_type = "soc";
>>>  		interrupt-parent = <&intc>;
>>>
>>> +		gmac0: ethernet@...10000 {
>>> +			compatible = "altr,socfpga-stmmac-a10-s10",
>>
>>
>> That's odd compatible, this is not Arria10 SoC, neither Stratix 10.
> 
> Yes, it is. The socfpga-dwmac.txt says "Arria10/Agilex/Stratix10 SoCs" should use "altr,socfpga-stmmac-a10-s10".
> 
> So, how to proceed? Adding a "altr,socfpga-stmmac-agilex5" to the binding doc and driver?
> And converting the txt to yaml, because touched it last?

You need dedicated front compatible.


Best regards,
Krzysztof