linux-kernel - RE: [PATCH] ARM: dts: imx6ull: update vdd_soc voltage for 900MHz operating point

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Message-ID: <DB3PR0402MB3916936F80C14D00F5D07966F51D0@DB3PR0402MB3916.eurprd04.prod.outlook.com>
Date:   Tue, 18 Sep 2018 01:15:02 +0000
From:   Anson Huang <anson.huang@....com>
To:     Stefan Wahren <stefan.wahren@...e.com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        Fabio Estevam <fabio.estevam@....com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     dl-linux-imx <linux-imx@....com>
Subject: RE: [PATCH] ARM: dts: imx6ull: update vdd_soc voltage for 900MHz
 operating point

Hi, Stefan

Anson Huang
Best Regards!


> -----Original Message-----
> From: Anson Huang
> Sent: Wednesday, September 12, 2018 4:30 PM
> To: Stefan Wahren <stefan.wahren@...e.com>; shawnguo@...nel.org;
> s.hauer@...gutronix.de; kernel@...gutronix.de; Fabio Estevam
> <fabio.estevam@....com>; robh+dt@...nel.org; mark.rutland@....com;
> linux-arm-kernel@...ts.infradead.org; devicetree@...r.kernel.org;
> linux-kernel@...r.kernel.org
> Cc: dl-linux-imx <linux-imx@....com>
> Subject: RE: [PATCH] ARM: dts: imx6ull: update vdd_soc voltage for 900MHz
> operating point
> 
> Hi, Stefan
> 
> Anson Huang
> Best Regards!
> 
> 
> > -----Original Message-----
> > From: Stefan Wahren <stefan.wahren@...e.com>
> > Sent: Wednesday, September 12, 2018 4:28 PM
> > To: Anson Huang <anson.huang@....com>; shawnguo@...nel.org;
> > s.hauer@...gutronix.de; kernel@...gutronix.de; Fabio Estevam
> > <fabio.estevam@....com>; robh+dt@...nel.org; mark.rutland@....com;
> > linux-arm-kernel@...ts.infradead.org; devicetree@...r.kernel.org;
> > linux-kernel@...r.kernel.org
> > Cc: dl-linux-imx <linux-imx@....com>
> > Subject: Re: [PATCH] ARM: dts: imx6ull: update vdd_soc voltage for
> > 900MHz operating point
> >
> > Hi Anson,
> >
> > Am 12.09.2018 um 10:13 schrieb Anson Huang:
> > > Update VDD_SOC voltage to 1.25V for 900MHz operating point according
> > > to datasheet Rev. 1.3, 08/2018, 25mV is added to the minimum allowed
> > > values to cover power supply ripple.
> >
> > is there a reason why the new datasheet isn't published yet?
> 
> We just got this new datasheet recently, it will be published soon.
> 
> Anson 

The v1.3 datasheet has been published. Please check it from NXP website, thanks.

Anson.

> 
> >
> > Regards
> > Stefan