From: Nishanth Menon <nm@ti.com>
To: Tony Lindgren <tony@atomide.com>
Cc: "Benoît Cousson" <bcousson@baylibre.com>,
"Rajendra Nayak" <rnayak@ti.com>,
linux-omap@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ARM: dts: omap4-panda-es: Do not reset gpio1
Date: Thu, 10 Oct 2013 14:01:16 -0500 [thread overview]
Message-ID: <5256F97C.9080101@ti.com> (raw)
In-Reply-To: <20131010164702.GF29913@atomide.com>
On 10/10/2013 11:47 AM, Tony Lindgren wrote:
> * Nishanth Menon <nm@ti.com> [131010 09:53]:
>> Do not reset GPIO1 at boot-up because GPIO 7 in GPIO1 block is used on
>> OMAP4460 PandaBoard-ES to select voltage register in TPS62361 which
>> supplies VDD_MPU.
>>
>> Without this, OMAP4460 PandaBoard-ES boards fail to boot-up because
>> MPU voltage switches over to VSET0 voltage value (boot voltage) which
>> is not sufficient to operate the device at OPP100.
>
> Is this needs as a fix for the -rc series?
Nope, this is not a regression recently introduced, has been in since
day one of Panda-ES support. Further, we still have decision pending
on the dependent series from Rajendra[1] - will be good to see it go
in along with AM335x-EVM.
[1] http://marc.info/?t=138131368300005&r=1&w=2
--
Regards,
Nishanth Menon
WARNING: multiple messages have this Message-ID (diff)
From: Nishanth Menon <nm@ti.com>
To: Tony Lindgren <tony@atomide.com>
Cc: devicetree@vger.kernel.org, "Rajendra Nayak" <rnayak@ti.com>,
linux-kernel@vger.kernel.org,
"Benoît Cousson" <bcousson@baylibre.com>,
linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] ARM: dts: omap4-panda-es: Do not reset gpio1
Date: Thu, 10 Oct 2013 14:01:16 -0500 [thread overview]
Message-ID: <5256F97C.9080101@ti.com> (raw)
In-Reply-To: <20131010164702.GF29913@atomide.com>
On 10/10/2013 11:47 AM, Tony Lindgren wrote:
> * Nishanth Menon <nm@ti.com> [131010 09:53]:
>> Do not reset GPIO1 at boot-up because GPIO 7 in GPIO1 block is used on
>> OMAP4460 PandaBoard-ES to select voltage register in TPS62361 which
>> supplies VDD_MPU.
>>
>> Without this, OMAP4460 PandaBoard-ES boards fail to boot-up because
>> MPU voltage switches over to VSET0 voltage value (boot voltage) which
>> is not sufficient to operate the device at OPP100.
>
> Is this needs as a fix for the -rc series?
Nope, this is not a regression recently introduced, has been in since
day one of Panda-ES support. Further, we still have decision pending
on the dependent series from Rajendra[1] - will be good to see it go
in along with AM335x-EVM.
[1] http://marc.info/?t=138131368300005&r=1&w=2
--
Regards,
Nishanth Menon
WARNING: multiple messages have this Message-ID (diff)
From: nm@ti.com (Nishanth Menon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: dts: omap4-panda-es: Do not reset gpio1
Date: Thu, 10 Oct 2013 14:01:16 -0500 [thread overview]
Message-ID: <5256F97C.9080101@ti.com> (raw)
In-Reply-To: <20131010164702.GF29913@atomide.com>
On 10/10/2013 11:47 AM, Tony Lindgren wrote:
> * Nishanth Menon <nm@ti.com> [131010 09:53]:
>> Do not reset GPIO1 at boot-up because GPIO 7 in GPIO1 block is used on
>> OMAP4460 PandaBoard-ES to select voltage register in TPS62361 which
>> supplies VDD_MPU.
>>
>> Without this, OMAP4460 PandaBoard-ES boards fail to boot-up because
>> MPU voltage switches over to VSET0 voltage value (boot voltage) which
>> is not sufficient to operate the device at OPP100.
>
> Is this needs as a fix for the -rc series?
Nope, this is not a regression recently introduced, has been in since
day one of Panda-ES support. Further, we still have decision pending
on the dependent series from Rajendra[1] - will be good to see it go
in along with AM335x-EVM.
[1] http://marc.info/?t=138131368300005&r=1&w=2
--
Regards,
Nishanth Menon
next prev parent reply other threads:[~2013-10-10 19:01 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-09 10:11 [PATCH v2 0/5] OMAP: Add DT bindings to specify when devices should not be idled or reset Rajendra Nayak
2013-10-09 10:11 ` Rajendra Nayak
2013-10-09 10:11 ` [PATCH v2 1/5] ARM: OMAP2+: hwmod: cleanup HWMOD_INIT_NO_RESET usage Rajendra Nayak
2013-10-09 10:11 ` Rajendra Nayak
2013-10-09 14:55 ` Paul Walmsley
2013-10-09 14:55 ` Paul Walmsley
2013-10-09 10:11 ` [PATCH v2 2/5] ARM: dts: omap: Add new bindings for OMAP Rajendra Nayak
2013-10-09 10:11 ` Rajendra Nayak
2013-10-09 15:13 ` Benoit Cousson
2013-10-09 15:13 ` Benoit Cousson
2013-10-09 16:41 ` Rajendra Nayak
2013-10-09 16:41 ` Rajendra Nayak
2013-10-09 16:45 ` Benoit Cousson
2013-10-09 16:45 ` Benoit Cousson
2013-10-15 7:27 ` Benoit Cousson
2013-10-15 7:27 ` Benoit Cousson
2013-10-15 8:23 ` Rajendra Nayak
2013-10-15 8:23 ` Rajendra Nayak
2013-10-09 10:11 ` [PATCH v2 3/5] ARM: OMAP2+: hwmod: Extract no-idle and no-reset info from DT Rajendra Nayak
2013-10-09 10:11 ` Rajendra Nayak
2013-10-09 14:55 ` Paul Walmsley
2013-10-09 14:55 ` Paul Walmsley
2013-10-09 10:12 ` [PATCH v2 4/5] ARM: OMAP2+: hwmod: Cleanup usage of HWMOD_INIT_NO_RESET and HWMOD_INIT_NO_IDLE Rajendra Nayak
2013-10-09 10:12 ` Rajendra Nayak
2013-10-09 10:12 ` [PATCH v2 5/5] ARM: dts: AM335x-evmsk: Do not reset gpio0 Rajendra Nayak
2013-10-09 10:12 ` Rajendra Nayak
2013-10-10 16:44 ` [PATCH] ARM: dts: omap4-panda-es: Do not reset gpio1 Nishanth Menon
2013-10-10 16:44 ` Nishanth Menon
2013-10-10 16:44 ` Nishanth Menon
2013-10-10 16:47 ` Tony Lindgren
2013-10-10 16:47 ` Tony Lindgren
2013-10-10 19:01 ` Nishanth Menon [this message]
2013-10-10 19:01 ` Nishanth Menon
2013-10-10 19:01 ` Nishanth Menon
2013-10-15 7:28 ` Benoit Cousson
2013-10-15 7:28 ` Benoit Cousson
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