linux-kernel - Re: [PATCH 3/3] pinctrl: imx: support SCMI pinctrl protocol for i.MX95

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Message-ID: <Zl7r9sN8EH8Xmnqn@pluto>
Date: Tue, 4 Jun 2024 11:27:02 +0100
From: Cristian Marussi <cristian.marussi@....com>
To: "Peng Fan (OSS)" <peng.fan@....nxp.com>
Cc: Sudeep Holla <sudeep.holla@....com>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Dong Aisheng <aisheng.dong@....com>, Jacky Bai <ping.bai@....com>,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, imx@...ts.linux.dev,
	linux-gpio@...r.kernel.org, Peng Fan <peng.fan@....com>
Subject: Re: [PATCH 3/3] pinctrl: imx: support SCMI pinctrl protocol for
 i.MX95

On Tue, May 21, 2024 at 02:25:59PM +0800, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@....com>
> 
> The generic pinctrl-scmi.c driver could not be used for i.MX95 because
> i.MX95 SCMI firmware not supports functions, groups or generic
> 'Pin Configuration Type and Enumerations' listed in SCMI Specification.
> 
> i.MX95 System Control Management Interface(SCMI) firmware only supports
> below pin configuration types which are OEM specific types:
>     192: PIN MUX
>     193: PIN CONF
>     194: DAISY ID
>     195: DAISY VAL
> 
> To Support fsl,pins property together with SCMI OEM protocol, add this
> driver.
> 
> Signed-off-by: Peng Fan <peng.fan@....com>
> ---
>  drivers/pinctrl/freescale/Kconfig            |   9 +
>  drivers/pinctrl/freescale/Makefile           |   1 +
>  drivers/pinctrl/freescale/pinctrl-imx-scmi.c | 357 +++++++++++++++++++++++++++
>  3 files changed, 367 insertions(+)
>

Only tested compilation and interactions with Generic Pinctrl SCMI
driver, LGTM.

Reviewed-by: Cristian Marussi <cristian.marussi@....com>

Thanks,
Cristian