linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Peng Fan <peng.fan@nxp.com>
To: Sudeep Holla <sudeep.holla@arm.com>
Cc: Cristian Marussi <cristian.marussi@arm.com>,
	"Peng Fan (OSS)" <peng.fan@oss.nxp.com>,
	"robh@kernel.org" <robh@kernel.org>,
	"krzysztof.kozlowski+dt@linaro.org"
	<krzysztof.kozlowski+dt@linaro.org>,
	"conor+dt@kernel.org" <conor+dt@kernel.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH] dt-bindings: firmware: arm,scmi: support system power protocol
Date: Fri, 1 Mar 2024 00:41:29 +0000	[thread overview]
Message-ID: <DU0PR04MB9417C06FD66182C705238662885E2@DU0PR04MB9417.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <ZeCNyLxQOIazc07h@bogus>

> Subject: Re: [PATCH] dt-bindings: firmware: arm,scmi: support system power
> protocol
> 
> On Tue, Feb 27, 2024 at 01:01:41AM +0000, Peng Fan wrote:
> > > Subject: Re: [PATCH] dt-bindings: firmware: arm,scmi: support system
> > > power protocol
> > >
> > > On Mon, Feb 26, 2024 at 01:28:31PM +0000, Cristian Marussi wrote:
> > > > On Mon, Feb 26, 2024 at 09:02:43PM +0800, Peng Fan (OSS) wrote:
> > > > > From: Peng Fan <peng.fan@nxp.com>
> > > > >
> > > > > Add SCMI System Power Protocol bindings, and the protocol id is 0x12.
> > > > >
> > > > Hi,
> > > >
> > > > yes this is something I spotted in the past it was missing and I
> > > > posted a similar patch but I was told that a protocol node without
> > > > any specific additional properties is already being described by
> > > > the general protocol node described above.
> >
> > Without this patch, there is dtbs_check warning.
> >
> > scmi: 'protocol@12' does not match any of the regexes: 'pinctrl-[0-9]+'
> > from schema $id:
> > https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fdevic
> >
> etree.org%2Fschemas%2Ffirmware%2Farm%2Cscmi.yaml%23&data=05%7C0
> 2%7Cpen
> >
> g.fan%40nxp.com%7Ccac77deb5f6a4b20460a08dc392ead40%7C686ea1d3b
> c2b4c6fa
> >
> 92cd99c5c301635%7C0%7C0%7C638448119832543335%7CUnknown%7CT
> WFpbGZsb3d8e
> >
> yJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D
> %7C0%
> >
> 7C%7C%7C&sdata=6MldIOUQ4hxn%2BRffwJJJ3jxXXtHCSxLUOa4JMWB0htU%
> 3D&reserv
> > ed=0
> >
> 
> Why are you adding protocol@12 to the device tree ? Does it have a
> dedicated channel ? If not, you shouldn't need to add it.

No dedicated channel.
The idea is we have multile Agent, the M7 agent may ask to shutdown Linux
Agent. So the linux agent need use protocol@12 to do the action.

For now, we have not finish implementing this in linux side, just add
the node in dts.

Regards,
Peng.
> 
> --
> Regards,
> Sudeep

  reply	other threads:[~2024-03-01  0:41 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-26 13:02 [PATCH] dt-bindings: firmware: arm,scmi: support system power protocol Peng Fan (OSS)
2024-02-26 13:28 ` Cristian Marussi
2024-02-26 15:02   ` Cristian Marussi
2024-02-27  1:01     ` Peng Fan
2024-02-29 13:59       ` Sudeep Holla
2024-03-01  0:41         ` Peng Fan [this message]
2024-03-01  7:52           ` Cristian Marussi
2024-03-01  9:22             ` Peng Fan
2024-03-01  9:31               ` Sudeep Holla
2024-03-01 10:37               ` Cristian Marussi
2024-03-01 10:46                 ` Cristian Marussi
2024-03-04  2:18                   ` Peng Fan
2024-03-04  8:29                     ` Cristian Marussi

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=DU0PR04MB9417C06FD66182C705238662885E2@DU0PR04MB9417.eurprd04.prod.outlook.com \
    --to=peng.fan@nxp.com \
    --cc=conor+dt@kernel.org \
    --cc=cristian.marussi@arm.com \
    --cc=devicetree@vger.kernel.org \
    --cc=krzysztof.kozlowski+dt@linaro.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=peng.fan@oss.nxp.com \
    --cc=robh@kernel.org \
    --cc=sudeep.holla@arm.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).