From: Jarkko Nikula <jhnikula@gmail.com>
To: Kevin Hilman <khilman@ti.com>
Cc: Vishwanath BS <vishwanath.bs@ti.com>,
linux-omap@vger.kernel.org, patches@linaro.org,
Thara Gopinath <thara@ti.com>
Subject: Re: [PATCH 10/13] OMAP3: Add voltage dependency table for VDD1.
Date: Mon, 28 Feb 2011 13:48:44 +0200 [thread overview]
Message-ID: <20110228134844.cbc807b2.jhnikula@gmail.com> (raw)
In-Reply-To: <87hbcsblet.fsf@ti.com>
On Fri, 28 Jan 2011 16:31:22 -0800
Kevin Hilman <khilman@ti.com> wrote:
> Hi Vishwa,
>
> Vishwanath BS <vishwanath.bs@ti.com> writes:
>
> > +/* OMAP 3430 MPU Core VDD dependency table */
> > +static struct omap_vdd_dep_volt omap34xx_vdd1_vdd2_data[] = {
> > + {.main_vdd_volt = OMAP3430_VDD_MPU_OPP1_UV, .dep_vdd_volt = OMAP4430_VDD_CORE_OPP50_UV},
> > + {.main_vdd_volt = OMAP3430_VDD_MPU_OPP2_UV, .dep_vdd_volt = OMAP4430_VDD_CORE_OPP50_UV},
> > + {.main_vdd_volt = OMAP3430_VDD_MPU_OPP3_UV, .dep_vdd_volt = OMAP4430_VDD_CORE_OPP100_UV},
> > + {.main_vdd_volt = OMAP3430_VDD_MPU_OPP4_UV, .dep_vdd_volt = OMAP4430_VDD_CORE_OPP100_UV},
> > + {.main_vdd_volt = OMAP3430_VDD_MPU_OPP5_UV, .dep_vdd_volt = OMAP4430_VDD_CORE_OPP100_UV},
> > + {.main_vdd_volt = 0, .dep_vdd_volt = 0},
> > +};
>
> This 34xx table has 4430 OPP voltages for CORE, which are clearly not
> right. 34xx has 3 CORE voltages to pick from, so I'm not sure which
> ones are right
>
> Please update this with the correct 34xx voltages and also validate on
> 34xx also.
>
Is it known what subsystem dependencies there are?
What I've noticed on N900 that the DSS will stop working if core
voltage is scaled under OMAP3430_VDD_CORE_OPP3_UV. I.e. either if using
OMAP4430_VDD_CORE_OPP50_UV above or OMAP3430_VDD_CORE_OPP2 or 1.
--
Jarkko
next prev parent reply other threads:[~2011-02-28 11:47 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-21 14:00 [PATCH 00/13] OMAP: Basic DVFS Framework Vishwanath BS
2011-01-21 14:00 ` [PATCH 01/13] OMAP: Introduce accessory APIs for DVFS Vishwanath BS
2011-02-03 1:07 ` Kevin Hilman
2011-02-08 11:22 ` Vishwanath Sripathy
2011-02-09 15:35 ` Kevin Hilman
2011-01-21 14:00 ` [PATCH 02/13] OMAP: Introduce device specific set rate and get rate in omap_device structure Vishwanath BS
2011-02-03 23:46 ` Kevin Hilman
2011-02-07 13:36 ` Vishwanath Sripathy
2011-01-21 14:00 ` [PATCH 03/13] OMAP: Implement Basic DVFS Vishwanath BS
2011-02-04 1:14 ` Kevin Hilman
2011-02-07 14:18 ` Vishwanath Sripathy
2011-02-09 15:59 ` Kevin Hilman
2011-02-09 16:24 ` Vishwanath Sripathy
2011-01-21 14:00 ` [PATCH 04/13] OMAP: Introduce dependent voltage domain support Vishwanath BS
2011-02-04 15:37 ` Kevin Hilman
2011-02-07 14:34 ` Vishwanath Sripathy
2011-02-10 16:36 ` Kevin Hilman
2011-02-11 4:41 ` Vishwanath Sripathy
2011-01-21 14:00 ` [PATCH 05/13] OMAP: Introduce device scale implementation Vishwanath BS
2011-02-04 16:04 ` Kevin Hilman
2011-02-07 14:56 ` Vishwanath Sripathy
2011-02-10 16:37 ` Kevin Hilman
2011-01-21 14:00 ` [PATCH 06/13] OMAP: Disable Smartreflex across DVFS Vishwanath BS
2011-02-04 16:06 ` Kevin Hilman
2011-02-07 14:58 ` Vishwanath Sripathy
2011-01-21 14:00 ` [PATCH 07/13] OMAP3: Introduce custom set rate and get rate APIs for scalable devices Vishwanath BS
2011-02-04 16:08 ` Kevin Hilman
2011-01-21 14:01 ` [PATCH 08/13] OMAP3: cpufreq driver changes for DVFS support Vishwanath BS
2011-02-04 16:09 ` Kevin Hilman
2011-02-14 9:34 ` Kahn, Gery
2011-02-14 12:49 ` Vishwanath Sripathy
2011-02-14 13:03 ` Menon, Nishanth
2011-02-14 13:42 ` Vishwanath Sripathy
2011-02-14 15:35 ` Kahn, Gery
2011-04-13 14:13 ` Jarkko Nikula
2011-04-13 17:57 ` Vishwanath Sripathy
2011-04-14 12:28 ` Jarkko Nikula
2011-01-21 14:01 ` [PATCH 09/13] OMAP3: Introduce voltage domain info in the hwmod structures Vishwanath BS
2011-02-04 16:10 ` Kevin Hilman
2011-01-21 14:01 ` [PATCH 10/13] OMAP3: Add voltage dependency table for VDD1 Vishwanath BS
2011-01-29 0:31 ` Kevin Hilman
2011-01-30 12:59 ` Vishwanath Sripathy
2011-01-31 15:38 ` Kevin Hilman
2011-02-28 11:48 ` Jarkko Nikula [this message]
2011-01-21 14:01 ` [PATCH 11/13] OMAP2PLUS: Replace voltage values with Macros Vishwanath BS
2011-02-04 16:44 ` Kevin Hilman
2011-01-21 14:01 ` [PATCH 12/13] OMAP2PLUS: Enable various options in defconfig Vishwanath BS
2011-01-21 14:01 ` [PATCH 13/13] OMAP: Add DVFS Documentation Vishwanath BS
2011-02-04 1:38 ` Kevin Hilman
2011-01-22 17:18 ` [PATCH 00/13] OMAP: Basic DVFS Framework Felipe Balbi
2011-01-24 6:01 ` Vishwanath Sripathy
2011-01-24 6:18 ` Felipe Balbi
2011-01-24 14:25 ` Vishwanath Sripathy
2011-01-24 15:25 ` Laurent Pinchart
2011-01-24 15:29 ` Felipe Balbi
2011-01-24 20:00 ` Kevin Hilman
2011-01-25 3:53 ` Felipe Balbi
2011-02-01 12:27 ` Vishwanath Sripathy
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