From mboxrd@z Thu Jan 1 00:00:00 1970 From: nm@ti.com (Nishanth Menon) Date: Thu, 10 Oct 2013 14:01:16 -0500 Subject: [PATCH] ARM: dts: omap4-panda-es: Do not reset gpio1 In-Reply-To: <20131010164702.GF29913@atomide.com> References: <1381313521-10422-1-git-send-email-rnayak@ti.com> <1381423481-5920-1-git-send-email-nm@ti.com> <20131010164702.GF29913@atomide.com> Message-ID: <5256F97C.9080101@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 10/10/2013 11:47 AM, Tony Lindgren wrote: > * Nishanth Menon [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