From: Tony Lindgren <tony@atomide.com>
To: Nishanth Menon <nm@ti.com>
Cc: "Benoît Cousson" <bcousson@baylibre.com>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
linux-omap@vger.kernel.org,
"Tomi Valkeinen" <tomi.valkeinen@ti.com>
Subject: Re: [PATCH] ARM: dts: am57xx-beagle-x15: Update Phy supplies
Date: Wed, 16 Sep 2015 16:57:28 -0700 [thread overview]
Message-ID: <20150916235727.GC4215@atomide.com> (raw)
In-Reply-To: <55F98690.6070601@ti.com>
* Nishanth Menon <nm@ti.com> [150916 08:15]:
> Hi Tony,
>
> On 09/03/2015 02:23 PM, Nishanth Menon wrote:
> > Originally, all the SoC PHY rails were supplied by LDO3. However, as a
> > result of characterization, it was determined that this posed a risk in
> > extreme load conditions. Hence the PHY rails are split between two
> > different LDOs. Update the related node as a result
> >
> > LDO3/VDDA_1V8_PHYA supplies vdda_usb1, vdda_usb2, vdda_sata, vdda_usb3
> > LDO4/VDDA_1V8_PHYB supplies vdda_pcie1, vdda_pcie0, vdda_hdmi, vdda_pcie
> >
> > NOTE: We break compatibility with pre-production boards with this change
> > since, the PMIC LDO4 is disabled at OTP level.
> >
> > The new configuration is the plan of record and all pre-production
> > boards are supposed to be replaced with the latest boards matching the
> > mentioned configuration.
> >
> > Signed-off-by: Nishanth Menon <nm@ti.com>
> > ---
>
> Gentle ping. Some very few 10 something boards have been created and
> stopped production till the latest modifications were done (PMIC USB
> interrupt, LDO4 etc) - and all of those boards are now getting
> scrapped.. If there are any (as per tracking information, there should
> not be any), TI should be contacted to have them replaced.
Sounds OK to me as they are TI internal protos.
> Is it possible for us to consider this patch in 4.3 cycle - given that
> we are this close, might have been great to see 4.3 vanilla function on
> the production platform.
Applying into omap-for-v4.3/fixes thanks.
Tony
WARNING: multiple messages have this Message-ID (diff)
From: Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
To: Nishanth Menon <nm-l0cyMroinI0@public.gmane.org>
Cc: "Benoît Cousson"
<bcousson-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
"Tomi Valkeinen" <tomi.valkeinen-l0cyMroinI0@public.gmane.org>
Subject: Re: [PATCH] ARM: dts: am57xx-beagle-x15: Update Phy supplies
Date: Wed, 16 Sep 2015 16:57:28 -0700 [thread overview]
Message-ID: <20150916235727.GC4215@atomide.com> (raw)
In-Reply-To: <55F98690.6070601-l0cyMroinI0@public.gmane.org>
* Nishanth Menon <nm-l0cyMroinI0@public.gmane.org> [150916 08:15]:
> Hi Tony,
>
> On 09/03/2015 02:23 PM, Nishanth Menon wrote:
> > Originally, all the SoC PHY rails were supplied by LDO3. However, as a
> > result of characterization, it was determined that this posed a risk in
> > extreme load conditions. Hence the PHY rails are split between two
> > different LDOs. Update the related node as a result
> >
> > LDO3/VDDA_1V8_PHYA supplies vdda_usb1, vdda_usb2, vdda_sata, vdda_usb3
> > LDO4/VDDA_1V8_PHYB supplies vdda_pcie1, vdda_pcie0, vdda_hdmi, vdda_pcie
> >
> > NOTE: We break compatibility with pre-production boards with this change
> > since, the PMIC LDO4 is disabled at OTP level.
> >
> > The new configuration is the plan of record and all pre-production
> > boards are supposed to be replaced with the latest boards matching the
> > mentioned configuration.
> >
> > Signed-off-by: Nishanth Menon <nm-l0cyMroinI0@public.gmane.org>
> > ---
>
> Gentle ping. Some very few 10 something boards have been created and
> stopped production till the latest modifications were done (PMIC USB
> interrupt, LDO4 etc) - and all of those boards are now getting
> scrapped.. If there are any (as per tracking information, there should
> not be any), TI should be contacted to have them replaced.
Sounds OK to me as they are TI internal protos.
> Is it possible for us to consider this patch in 4.3 cycle - given that
> we are this close, might have been great to see 4.3 vanilla function on
> the production platform.
Applying into omap-for-v4.3/fixes thanks.
Tony
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WARNING: multiple messages have this Message-ID (diff)
From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: dts: am57xx-beagle-x15: Update Phy supplies
Date: Wed, 16 Sep 2015 16:57:28 -0700 [thread overview]
Message-ID: <20150916235727.GC4215@atomide.com> (raw)
In-Reply-To: <55F98690.6070601@ti.com>
* Nishanth Menon <nm@ti.com> [150916 08:15]:
> Hi Tony,
>
> On 09/03/2015 02:23 PM, Nishanth Menon wrote:
> > Originally, all the SoC PHY rails were supplied by LDO3. However, as a
> > result of characterization, it was determined that this posed a risk in
> > extreme load conditions. Hence the PHY rails are split between two
> > different LDOs. Update the related node as a result
> >
> > LDO3/VDDA_1V8_PHYA supplies vdda_usb1, vdda_usb2, vdda_sata, vdda_usb3
> > LDO4/VDDA_1V8_PHYB supplies vdda_pcie1, vdda_pcie0, vdda_hdmi, vdda_pcie
> >
> > NOTE: We break compatibility with pre-production boards with this change
> > since, the PMIC LDO4 is disabled at OTP level.
> >
> > The new configuration is the plan of record and all pre-production
> > boards are supposed to be replaced with the latest boards matching the
> > mentioned configuration.
> >
> > Signed-off-by: Nishanth Menon <nm@ti.com>
> > ---
>
> Gentle ping. Some very few 10 something boards have been created and
> stopped production till the latest modifications were done (PMIC USB
> interrupt, LDO4 etc) - and all of those boards are now getting
> scrapped.. If there are any (as per tracking information, there should
> not be any), TI should be contacted to have them replaced.
Sounds OK to me as they are TI internal protos.
> Is it possible for us to consider this patch in 4.3 cycle - given that
> we are this close, might have been great to see 4.3 vanilla function on
> the production platform.
Applying into omap-for-v4.3/fixes thanks.
Tony
next prev parent reply other threads:[~2015-09-16 23:57 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-03 19:23 [PATCH] ARM: dts: am57xx-beagle-x15: Update Phy supplies Nishanth Menon
2015-09-03 19:23 ` Nishanth Menon
2015-09-03 19:23 ` Nishanth Menon
2015-09-16 15:11 ` Nishanth Menon
2015-09-16 15:11 ` Nishanth Menon
2015-09-16 15:11 ` Nishanth Menon
2015-09-16 23:57 ` Tony Lindgren [this message]
2015-09-16 23:57 ` Tony Lindgren
2015-09-16 23:57 ` Tony Lindgren
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