linux-kernel - RE: [PATCH v8 1/6] ARM: imx6q: provide documentation for new fsl,pmic-stby-poweroff property

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Message-ID: <DB6PR04MB3223362445234D81383F0D1689200@DB6PR04MB3223.eurprd04.prod.outlook.com>
Date:   Mon, 6 Aug 2018 02:34:43 +0000
From:   Robin Gong <yibin.gong@....com>
To:     Oleksij Rempel <o.rempel@...gutronix.de>,
        Lucas Stach <l.stach@...gutronix.de>,
        Shawn Guo <shawnguo@...nel.org>,
        Mark Brown <broonie@...nel.org>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
CC:     Mark Rutland <mark.rutland@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...eaurora.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        dl-linux-imx <linux-imx@....com>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "A.s. Dong" <aisheng.dong@....com>,
        Fabio Estevam <fabio.estevam@....com>,
        Russell King <linux@...linux.org.uk>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Leonard Crestez <leonard.crestez@....com>,
        "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: RE: [PATCH v8 1/6] ARM: imx6q: provide documentation for new
 fsl,pmic-stby-poweroff property



> >> Not all boards follow the reference design, that's a fact of life.
> >>
> >> Please look at the i.MX6Q reference manual. The sequence implemented
> >> in this patchset can be found as a valid way to power off the system
> >> in
> >> "60.4.3 Power mode transitions" "Normal ON to OFF with external
> >> PMIC", so there is hardly any way to argue that this is a board
> >> specific quirk. This is one of the Freescale/NXP recommended sequences to
> turn off the system.
> 
> > Okay, but could you add one more comment for this solution? RTC alarm
> > and ONOFF Button wakeup feature can't be support in this case.
> 
> Enough to add it in to changelog? or should it go to the binding documentation?
The binding doc is better.