From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jon Hunter Subject: Re: [PATCH V4 09/16] soc: tegra: pmc: Ensure partitions can be toggled on/off by PMC Date: Fri, 15 Jan 2016 09:32:06 +0000 Message-ID: <5698BC96.6040709@nvidia.com> References: <1449241037-22193-1-git-send-email-jonathanh@nvidia.com> <1449241037-22193-10-git-send-email-jonathanh@nvidia.com> <20160114141453.GD23082@ulmo> Mime-Version: 1.0 Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20160114141453.GD23082@ulmo> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Thierry Reding Cc: Philipp Zabel , Stephen Warren , Alexandre Courbot , Rafael Wysocki , Kevin Hilman , Ulf Hansson , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Vince Hsu , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org On 14/01/16 14:14, Thierry Reding wrote: > * PGP Signed by an unknown key > > On Fri, Dec 04, 2015 at 02:57:10PM +0000, Jon Hunter wrote: >> For Tegra124 and Tegra210, the GPU partition cannot be toggled on and off >> via the APBDEV_PMC_PWRGATE_TOGGLE_0 register. For these devices, the >> partition is simply powered up and down via an external regulator. >> Describe in the PMC SoC data in which devices the GPU partition can be >> controlled via the APBDEV_PMC_PWRGATE_TOGGLE_0 register and ensure that >> no one can incorrectly try to toggle the GPU partition via the >> APBDEV_PMC_PWRGATE_TOGGLE_0 register. >> >> Signed-off-by: Jon Hunter >> --- >> drivers/soc/tegra/pmc.c | 11 +++++++++++ >> 1 file changed, 11 insertions(+) > > The TRM doesn't mention anything like this. Will this be updated in the > TRM as well? For T210, I have requested that the partitions are updated. Looks like the powergate sequencing information for T210 is still missing from the TRM. I can request that this is added. I will make a note for T124 as well as it is missing. Cheers Jon -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html