linux-kernel - Re: [PATCH v3 2/4] dt-bindings: gpio: add support for NXP S32G2/S32G3 SoCs

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Message-ID: <16950e81-e0ef-4e7c-b0ef-4f56415dceed@oss.nxp.com>
Date: Fri, 20 Sep 2024 16:33:32 +0300
From: Andrei Stefanescu <andrei.stefanescu@....nxp.com>
To: Conor Dooley <conor@...nel.org>
Cc: Linus Walleij <linus.walleij@...aro.org>,
 Bartosz Golaszewski <brgl@...ev.pl>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Chester Lin <chester62515@...il.com>,
 Matthias Brugger <mbrugger@...e.com>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 "Rafael J. Wysocki" <rafael@...nel.org>, linux-gpio@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, NXP S32 Linux Team <s32@....com>
Subject: Re: [PATCH v3 2/4] dt-bindings: gpio: add support for NXP S32G2/S32G3
 SoCs

Hi Conor,

Thank you for your review!

On 20/09/2024 15:46, Conor Dooley wrote:
> On Thu, Sep 19, 2024 at 04:47:22PM +0300, Andrei Stefanescu wrote:
>> Add support for the GPIO driver of the NXP S32G2/S32G3 SoCs.
>>
>> Signed-off-by: Phu Luu An <phu.luuan@....com>
>> Signed-off-by: Larisa Grigore <larisa.grigore@....com>
>> Signed-off-by: Ghennadi Procopciuc <ghennadi.procopciuc@....com>
>> Signed-off-by: Andrei Stefanescu <andrei.stefanescu@....nxp.com>
>> ---
>>  .../bindings/gpio/nxp,s32g2-siul2-gpio.yaml   | 107 ++++++++++++++++++
>>  1 file changed, 107 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/gpio/nxp,s32g2-siul2-gpio.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/gpio/nxp,s32g2-siul2-gpio.yaml b/Documentation/devicetree/bindings/gpio/nxp,s32g2-siul2-gpio.yaml
>> new file mode 100644
>> index 000000000000..0548028e6745
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/gpio/nxp,s32g2-siul2-gpio.yaml
>> @@ -0,0 +1,107 @@
>> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-3-Clause
>> +# Copyright 2024 NXP
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/gpio/nxp,s32g2-siul2-gpio.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: NXP S32G2 SIUL2 GPIO controller
>> +
>> +maintainers:
>> +  - Ghennadi Procopciuc <Ghennadi.Procopciuc@....com>
>> +  - Larisa Grigore <larisa.grigore@....com>
>> +  - Andrei Stefanescu <andrei.stefanescu@....nxp.com>
>> +
>> +description:
>> +  Support for the SIUL2 GPIOs found on the S32G2 and S32G3
>> +  chips. It includes an IRQ controller for all pins which have
>> +  an EIRQ associated.
>> +
>> +properties:
>> +  compatible:
>> +    items:
>> +      - const: nxp,s32g2-siul2-gpio
> 
> Commit message and binding description say s32g2 and s32g3, but there's
> only a compatible here for g2.

Yes, the SIUL2 GPIO hardware is the same for both S32G2 and S32G3 SoCs. I plan
to reuse the same compatible when I add the SIUL2 GPIO device tree node for
the S32G3 boards. Would that be ok?

Best regards,
Andrei