From: "Cousson, Benoit" <b-cousson@ti.com>
To: Govindraj <govindraj.ti@gmail.com>
Cc: "Hilman, Kevin" <khilman@ti.com>, "Menon, Nishanth" <nm@ti.com>,
linux-omap <linux-omap@vger.kernel.org>,
"Sonasath, Moiz" <m-sonasath@ti.com>
Subject: Re: [RFC][PATCH 3/9] OMAP4460: HWMOD: DO not reset GPIO1 during HWMOD init
Date: Fri, 27 May 2011 14:16:08 +0200 [thread overview]
Message-ID: <4DDF9608.3060401@ti.com> (raw)
In-Reply-To: <BANLkTi=dHknRn5KJSh3_bG-o19BUg2AjrA@mail.gmail.com>
On 5/27/2011 9:26 AM, Govindraj wrote:
>
> On Fri, May 27, 2011 at 12:40 PM, Cousson, Benoit <b-cousson@ti.com
> <mailto:b-cousson@ti.com>> wrote:
>
> On 5/27/2011 1:24 AM, Hilman, Kevin wrote:
>
> Nishanth Menon<nm@ti.com <mailto:nm@ti.com>> writes:
>
> From: Moiz Sonasath<m-sonasath@ti.com
> <mailto:m-sonasath@ti.com>>
>
> For OMAP4460, GPIO-7 of bank1 is used for controling
> the TPS modes, hence GPIO1 should not be reset
> during init as reset will cause the TPS voltage to
> drop to 0.9 V.
>
>
> ouch. I knew one of these days something like this was going to
> happen
> with GPIO resets.
>
>
> BTW, don't we have the same kind of issue with the debug UART? I
> remember that you had to do some hacks at some point to change these
> hwmod flags in the UART code.
>
>
> Yes. we use below flags.
>
> uart->oh->flags |= HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET;
Yeah, that's ugly... we do have to get rid of that as well using some
board settings / API.
Benoit
next prev parent reply other threads:[~2011-05-27 12:16 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-26 1:56 [RFC][PATCH 0/9] OMAP4: Add 4460 base support Nishanth Menon
2011-05-26 1:56 ` [RFC][PATCH 1/9] OMAP: ID: introduce chip detection for OMAP4460 Nishanth Menon
2011-05-26 8:33 ` Premi, Sanjeev
2011-05-26 14:27 ` Nishanth Menon
2011-05-26 23:15 ` Kevin Hilman
2011-05-26 23:35 ` Menon, Nishanth
2011-05-26 1:56 ` [RFC][PATCH 2/9] OMAP4: HWMOD: make current hwmods common for 4460 and 4430 Nishanth Menon
2011-05-30 9:01 ` Vladimir Pantelic
2011-05-30 11:50 ` Nishanth Menon
2011-05-26 1:56 ` [RFC][PATCH 3/9] OMAP4460: HWMOD: DO not reset GPIO1 during HWMOD init Nishanth Menon
2011-05-26 8:36 ` Premi, Sanjeev
2011-05-26 14:28 ` Nishanth Menon
2011-05-26 23:24 ` Kevin Hilman
2011-05-26 23:37 ` Menon, Nishanth
2011-05-27 7:10 ` Cousson, Benoit
[not found] ` <BANLkTi=dHknRn5KJSh3_bG-o19BUg2AjrA@mail.gmail.com>
2011-05-27 12:16 ` Cousson, Benoit [this message]
2011-05-27 14:59 ` Kevin Hilman
2011-05-27 15:06 ` Cousson, Benoit
2011-05-27 19:35 ` Kevin Hilman
2011-05-27 19:38 ` Kevin Hilman
2011-05-29 1:11 ` Menon, Nishanth
2011-05-29 21:04 ` Steve Calfee
2011-05-30 8:32 ` Cousson, Benoit
2011-05-30 10:53 ` Koen Kooi
2011-05-26 1:56 ` [RFC][PATCH 4/9] OMAP4: clocks: distinguish 4430 and 4460 Nishanth Menon
2011-05-26 8:41 ` Premi, Sanjeev
2011-05-26 1:56 ` [RFC][PATCH 5/9] OMAP4: PRM: OMAP4460 specific PRM and CM register bitshifts Nishanth Menon
2011-05-26 1:56 ` [RFC][PATCH 6/9] OMAP4: clocks: Update the clock tree with 4460 clock nodes Nishanth Menon
2011-05-26 1:56 ` [RFC][PATCH 7/9] OMAP4: powerdomain: Update MPU powerdomain for 4460 Nishanth Menon
2011-05-26 8:52 ` Premi, Sanjeev
2011-05-26 14:30 ` Nishanth Menon
2011-05-26 1:56 ` [RFC][PATCH 8/9] OMAP4: clockdomain: Use CHIP_IS_44XX to reuse all CD's on 4460 Nishanth Menon
2011-05-26 8:47 ` Premi, Sanjeev
2011-05-26 1:56 ` [RFC][PATCH 9/9] OMAP4460: dpll: Support MPU frequencies > 1 Ghz Nishanth Menon
2011-05-26 3:16 ` Todd Poynor
2011-05-26 4:13 ` Rajendra Nayak
2011-05-26 4:53 ` Menon, Nishanth
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