linux-kernel - Re: [PATCH v7 06/12] dt-bindings: pinctrl: deprecate SIUL2 pinctrl bindings

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Message-ID: <aG/pqeqMBEUDTmaP@lizhi-Precision-Tower-5810>
Date: Thu, 10 Jul 2025 12:26:17 -0400
From: Frank Li <Frank.li@....com>
To: Andrei Stefanescu <andrei.stefanescu@....nxp.com>
Cc: linus.walleij@...aro.org, brgl@...ev.pl, robh@...nel.org,
	krzk+dt@...nel.org, conor+dt@...nel.org, chester62515@...il.com,
	mbrugger@...e.com, Ghennadi.Procopciuc@....com,
	larisa.grigore@....com, lee@...nel.org, shawnguo@...nel.org,
	s.hauer@...gutronix.de, festevam@...il.com, aisheng.dong@....com,
	ping.bai@....com, gregkh@...uxfoundation.org, rafael@...nel.org,
	srini@...nel.org, linux-gpio@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, s32@....com,
	clizzi@...hat.com, aruizrui@...hat.com, eballetb@...hat.com,
	echanude@...hat.com, kernel@...gutronix.de, imx@...ts.linux.dev,
	vincent.guittot@...aro.org
Subject: Re: [PATCH v7 06/12] dt-bindings: pinctrl: deprecate SIUL2 pinctrl
 bindings

On Thu, Jul 10, 2025 at 05:20:29PM +0300, Andrei Stefanescu wrote:
> The existing SIUL2 pinctrl bindings don't correctly describe the
> hardware. The SIUL2 module also offers GPIO control and exposes some
> registers which contain information about the SoC. Adding drivers for
> these functionalities would result in incorrect bindings with a lot of
> carved out regions for registers. For more details see the discussions
> on the community [1] and [2].
>
> The existing SIUL2 pinctrl dt-bindings will be deprecated. The new SIUL2
> MFD dt-bindings are to be used from now on.
>
> [1] -
> https://lore.kernel.org/linux-gpio/20241003-overall-unblended-7139b17eae23@spud/
> [2] -
> https://lore.kernel.org/all/a924bbb6-96ec-40be-9d82-a76b2ab73afd@oss.nxp.com/

suggest squash to
[PATCH v7 01/12] dt-bindings: mfd: add support for the NXP SIUL2 module

Frank
>
> Signed-off-by: Andrei Stefanescu <andrei.stefanescu@....nxp.com>
> ---
>  .../devicetree/bindings/pinctrl/nxp,s32g2-siul2-pinctrl.yaml    | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/pinctrl/nxp,s32g2-siul2-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/nxp,s32g2-siul2-pinctrl.yaml
> index a24286e4def6..332397a21394 100644
> --- a/Documentation/devicetree/bindings/pinctrl/nxp,s32g2-siul2-pinctrl.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/nxp,s32g2-siul2-pinctrl.yaml
> @@ -11,6 +11,8 @@ maintainers:
>    - Ghennadi Procopciuc <Ghennadi.Procopciuc@....nxp.com>
>    - Chester Lin <chester62515@...il.com>
>
> +deprecated: true
> +
>  description: |
>    S32G2 pinmux is implemented in SIUL2 (System Integration Unit Lite2),
>    whose memory map is split into two regions:
> --
> 2.45.2
>