| Message ID | 1536740009-32735-1-git-send-email-Anson.Huang@nxp.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | ARM: dts: imx6ull: update vdd_soc voltage for 900MHz operating point | expand |
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? Regards Stefan
Hi, Stefan Anson Huang Best Regards! > -----Original Message----- > From: Stefan Wahren <stefan.wahren@i2se.com> > Sent: Wednesday, September 12, 2018 4:28 PM > To: Anson Huang <anson.huang@nxp.com>; shawnguo@kernel.org; > s.hauer@pengutronix.de; kernel@pengutronix.de; Fabio Estevam > <fabio.estevam@nxp.com>; robh+dt@kernel.org; mark.rutland@arm.com; > linux-arm-kernel@lists.infradead.org; devicetree@vger.kernel.org; > linux-kernel@vger.kernel.org > Cc: dl-linux-imx <linux-imx@nxp.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. > > Regards > Stefan
Hi, Stefan Anson Huang Best Regards! > -----Original Message----- > From: Anson Huang > Sent: Wednesday, September 12, 2018 4:30 PM > To: Stefan Wahren <stefan.wahren@i2se.com>; shawnguo@kernel.org; > s.hauer@pengutronix.de; kernel@pengutronix.de; Fabio Estevam > <fabio.estevam@nxp.com>; robh+dt@kernel.org; mark.rutland@arm.com; > linux-arm-kernel@lists.infradead.org; devicetree@vger.kernel.org; > linux-kernel@vger.kernel.org > Cc: dl-linux-imx <linux-imx@nxp.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@i2se.com> > > Sent: Wednesday, September 12, 2018 4:28 PM > > To: Anson Huang <anson.huang@nxp.com>; shawnguo@kernel.org; > > s.hauer@pengutronix.de; kernel@pengutronix.de; Fabio Estevam > > <fabio.estevam@nxp.com>; robh+dt@kernel.org; mark.rutland@arm.com; > > linux-arm-kernel@lists.infradead.org; devicetree@vger.kernel.org; > > linux-kernel@vger.kernel.org > > Cc: dl-linux-imx <linux-imx@nxp.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
On 09/12/2018 10:13 AM, Anson Huang wrote: > 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. > > Signed-off-by: Anson Huang <Anson.Huang@nxp.com> > --- > arch/arm/boot/dts/imx6ull.dtsi | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm/boot/dts/imx6ull.dtsi b/arch/arm/boot/dts/imx6ull.dtsi > index cd1776a..796ed35 100644 > --- a/arch/arm/boot/dts/imx6ull.dtsi > +++ b/arch/arm/boot/dts/imx6ull.dtsi > @@ -22,7 +22,7 @@ > >; > fsl,soc-operating-points = < > /* KHz uV */ > - 900000 1175000 > + 900000 1250000 > 792000 1175000 > 528000 1175000 > 396000 1175000 > Reviewed-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
On Wed, Sep 12, 2018 at 04:13:29PM +0800, Anson Huang wrote: > 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. > > Signed-off-by: Anson Huang <Anson.Huang@nxp.com> Applied, thanks.
diff --git a/arch/arm/boot/dts/imx6ull.dtsi b/arch/arm/boot/dts/imx6ull.dtsi index cd1776a..796ed35 100644 --- a/arch/arm/boot/dts/imx6ull.dtsi +++ b/arch/arm/boot/dts/imx6ull.dtsi @@ -22,7 +22,7 @@ >; fsl,soc-operating-points = < /* KHz uV */ - 900000 1175000 + 900000 1250000 792000 1175000 528000 1175000 396000 1175000
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. Signed-off-by: Anson Huang <Anson.Huang@nxp.com> --- arch/arm/boot/dts/imx6ull.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)