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Message-ID: <b968706e-b48c-4eab-ab20-cf09f6ed9a25@kernel.org>
Date: Mon, 14 Oct 2024 10:24:13 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Jan Petrous <jan.petrous@....nxp.com>
Cc: Maxime Coquelin <mcoquelin.stm32@...il.com>,
Alexandre Torgue <alexandre.torgue@...s.st.com>,
Jose Abreu <joabreu@...opsys.com>, "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>, Vinod Koul <vkoul@...nel.org>,
Richard Cochran <richardcochran@...il.com>, Andrew Lunn <andrew@...n.ch>,
Heiner Kallweit <hkallweit1@...il.com>, Russell King
<linux@...linux.org.uk>, Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>, Emil Renner Berthing <kernel@...il.dk>,
Minda Chen <minda.chen@...rfivetech.com>,
Nicolas Ferre <nicolas.ferre@...rochip.com>,
Claudiu Beznea <claudiu.beznea@...on.dev>,
Iyappan Subramanian <iyappan@...amperecomputing.com>,
Keyur Chudgar <keyur@...amperecomputing.com>,
Quan Nguyen <quan@...amperecomputing.com>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
<conor+dt@...nel.org>, Giuseppe Cavallaro <peppe.cavallaro@...com>,
linux-stm32@...md-mailman.stormreply.com,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
netdev@...r.kernel.org, linux-arm-msm@...r.kernel.org, imx@...ts.linux.dev,
devicetree@...r.kernel.org, NXP S32 Linux Team <s32@....com>
Subject: Re: [PATCH v3 13/16] dt-bindings: net: Add DT bindings for DWMAC on
NXP S32G/R SoCs
On 14/10/2024 09:48, Jan Petrous wrote:
> On Mon, Oct 14, 2024 at 08:56:58AM +0200, Krzysztof Kozlowski wrote:
>> On 13/10/2024 23:27, Jan Petrous via B4 Relay wrote:
>>> From: "Jan Petrous (OSS)" <jan.petrous@....nxp.com>
>>>
>>> Add basic description for DWMAC ethernet IP on NXP S32G2xx, S32G3xx
>>> and S32R45 automotive series SoCs.
>>>
>>> Signed-off-by: Jan Petrous (OSS) <jan.petrous@....nxp.com>
>>> ---
>>> .../devicetree/bindings/net/nxp,s32-dwmac.yaml | 97 ++++++++++++++++++++++
>>> .../devicetree/bindings/net/snps,dwmac.yaml | 1 +
>>> 2 files changed, 98 insertions(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/net/nxp,s32-dwmac.yaml b/Documentation/devicetree/bindings/net/nxp,s32-dwmac.yaml
>>> new file mode 100644
>>> index 000000000000..4c65994cbe8b
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/net/nxp,s32-dwmac.yaml
>>> @@ -0,0 +1,97 @@
>>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>>> +# Copyright 2021-2024 NXP
>>> +%YAML 1.2
>>> +---
>>> +$id: http://devicetree.org/schemas/net/nxp,s32-dwmac.yaml#
>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>> +
>>> +title: NXP S32G2xx/S32G3xx/S32R45 GMAC ethernet controller
>>> +
>>> +maintainers:
>>> + - Jan Petrous (OSS) <jan.petrous@....nxp.com>
>>> +
>>> +description:
>>> + This device is a Synopsys DWC IP, integrated on NXP S32G/R SoCs.
>>> +
>>> +properties:
>>> + compatible:
>>> + enum:
>>> + - nxp,s32g2-dwmac
>>
>> Where are the other compatibles? Commit msg mentions several devices.
>
> Well, I removed other compatibles thinking we can re-use this only one
> also for other SoCs as, on currect stage, we don't need to do any
> SoC specific setup.
>
> Is it ok or shall I reinsert them?
Do not use compatibles from other devices for something else. Please
consult writing-bindings.
Yes, bring back all relevant compatibles, use proper fallbacks and
compatibility when appropriate (hundreds of examples in the kernel).
Best regards,
Krzysztof
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