Re: [PATCH v3 13/16] dt-bindings: net: Add DT bindings for DWMAC on NXP S32G/R SoCs

From: Krzysztof Kozlowski
Date: Mon Oct 14 2024 - 04:27:58 EST


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@xxxxxxxxxxx>
>>>
>>> Add basic description for DWMAC ethernet IP on NXP S32G2xx, S32G3xx
>>> and S32R45 automotive series SoCs.
>>>
>>> Signed-off-by: Jan Petrous (OSS) <jan.petrous@xxxxxxxxxxx>
>>> ---
>>> .../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@xxxxxxxxxxx>
>>> +
>>> +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