回复: 回复: [EXT] Re: [PATCH v3 03/17] pinctrl: nxp: add SCMI pin control protocol driver

[Alice Guo (OSS)]

> -----邮件原件-----
> 发件人: Marek Vasut <marex at denx.de>
> 发送时间: 2025年1月7日 4:46
> 收件人: Alice Guo (OSS) <alice.guo at oss.nxp.com>; Tom Rini
> <trini at konsulko.com>; Stefano Babic <sbabic at denx.de>; Fabio Estevam
> <festevam at gmail.com>; dl-uboot-imx <uboot-imx at nxp.com>; Lukasz
> Majewski <lukma at denx.de>; Sean Anderson <seanga2 at gmail.com>; Simon
> Glass <sjg at chromium.org>; Alper Nebi Yasak <alpernebiyasak at gmail.com>
> 抄送: u-boot at lists.denx.de; tharvey at gateworks.com; Peng Fan
> <peng.fan at nxp.com>; Ranjani Vaidyanathan
> <ranjani.vaidyanathan at nxp.com>; Ye Li <ye.li at nxp.com>
> 主题: Re: 回复: [EXT] Re: [PATCH v3 03/17] pinctrl: nxp: add SCMI pin control
> protocol driver
> 
> On 1/6/25 10:56 AM, Alice Guo (OSS) wrote:
> >>> This patch provides a driver for the SCMI pin control protocol which
> >>> is based on ARM's System Control and Management Interface (SCMI) 3.2.
> >>> Currently, only the PINCTRL_CONFIG_SET command is implemented.
> >>
> >> What is the SCMI provider for this platform ?
> >
> > Hi Marek,
> >
> > System Manager which runs on M core sets pin or group configurations.
> U-Boot sends a SCMI message to System Manager to perform hardware
> operations. You can refer to the source code for details:
> https://github.com/nxp-imx/imx-sm.
> 
> Can I use optee-os as a SCMI provider instead ?

You cannot replace System Manager with optee-os.