From: Tomi Valkeinen <tomi.valkeinen@ti.com> To: Javier Martinez Canillas <martinez.javier@gmail.com> Cc: Enric Balletbo Serra <eballetbo@gmail.com>, Russell King - ARM Linux <linux@arm.linux.org.uk>, Tony Lindgren <tony@atomide.com>, arm@kernel.org, "linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org> Subject: Re: [PATCH 1/6] ARM: OMAP2+: Remove board-4430sdp.c Date: Mon, 28 Oct 2013 15:32:21 +0200 [thread overview] Message-ID: <526E6765.3030403@ti.com> (raw) In-Reply-To: <CAAwP0s2pGM6RRhkzhZ+_8BsCKP0posFrn7buTwUzLWWC5apE2A@mail.gmail.com> [-- Attachment #1: Type: text/plain, Size: 1121 bytes --] On 27/10/13 15:26, Javier Martinez Canillas wrote: > When booting with DT the omapfb's probe is deferred several times but > it always fails on dpi_connect() due not being able to get the > VDDS_DSI regulator: The problem with DT boot is that the VDDS_DSI is not linked to the DPI device. For omap4, we have a few hacks to go around this (see dsi.c, dsi_regulator_init()). > So I tried adding this to my DT with no luck. > > diff --git a/arch/arm/boot/dts/omap3-igep0020.dts > b/arch/arm/boot/dts/omap3-igep0020.dts > index 17a6fc1..eaae935 100644 > --- a/arch/arm/boot/dts/omap3-igep0020.dts > +++ b/arch/arm/boot/dts/omap3-igep0020.dts > @@ -256,3 +256,8 @@ > &usbhsehci { > phys = <&hsusb1_phy>; > }; > + > +&vpll2 { > + supply-dev = "omapdss_dpi.0"; > + supply = "vdds_dsi"; > +}; I didn't see "supply-dev" defined in dt bindings documentation, is that supposed to work? If it should work, then the problem could be solved with the above. Otherwise I guess we must add more hacks to omapdss driver, to all places where it uses regulator_get... Tomi [-- Attachment #2: OpenPGP digital signature --] [-- Type: application/pgp-signature, Size: 901 bytes --]
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From: tomi.valkeinen@ti.com (Tomi Valkeinen) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 1/6] ARM: OMAP2+: Remove board-4430sdp.c Date: Mon, 28 Oct 2013 15:32:21 +0200 [thread overview] Message-ID: <526E6765.3030403@ti.com> (raw) In-Reply-To: <CAAwP0s2pGM6RRhkzhZ+_8BsCKP0posFrn7buTwUzLWWC5apE2A@mail.gmail.com> On 27/10/13 15:26, Javier Martinez Canillas wrote: > When booting with DT the omapfb's probe is deferred several times but > it always fails on dpi_connect() due not being able to get the > VDDS_DSI regulator: The problem with DT boot is that the VDDS_DSI is not linked to the DPI device. For omap4, we have a few hacks to go around this (see dsi.c, dsi_regulator_init()). > So I tried adding this to my DT with no luck. > > diff --git a/arch/arm/boot/dts/omap3-igep0020.dts > b/arch/arm/boot/dts/omap3-igep0020.dts > index 17a6fc1..eaae935 100644 > --- a/arch/arm/boot/dts/omap3-igep0020.dts > +++ b/arch/arm/boot/dts/omap3-igep0020.dts > @@ -256,3 +256,8 @@ > &usbhsehci { > phys = <&hsusb1_phy>; > }; > + > +&vpll2 { > + supply-dev = "omapdss_dpi.0"; > + supply = "vdds_dsi"; > +}; I didn't see "supply-dev" defined in dt bindings documentation, is that supposed to work? If it should work, then the problem could be solved with the above. Otherwise I guess we must add more hacks to omapdss driver, to all places where it uses regulator_get... Tomi -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 901 bytes Desc: OpenPGP digital signature URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20131028/a76b34f1/attachment.sig>
next prev parent reply other threads:[~2013-10-28 13:33 UTC|newest] Thread overview: 100+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-05-17 19:17 [PATCH 0/6] Drop legacy booting for omap4 for v3.11, boot with device tree only Tony Lindgren 2013-05-17 19:17 ` Tony Lindgren 2013-05-17 19:17 ` [PATCH 1/6] ARM: OMAP2+: Remove board-4430sdp.c Tony Lindgren 2013-05-17 19:17 ` Tony Lindgren 2013-05-20 9:54 ` Russell King - ARM Linux 2013-05-20 9:54 ` Russell King - ARM Linux 2013-05-20 17:10 ` Tony Lindgren 2013-05-20 17:10 ` Tony Lindgren 2013-07-06 13:10 ` Russell King - ARM Linux 2013-07-06 13:10 ` Russell King - ARM Linux 2013-07-06 13:36 ` Russell King - ARM Linux 2013-07-06 13:36 ` Russell King - ARM Linux 2013-07-08 9:34 ` Tony Lindgren 2013-07-08 9:34 ` Tony Lindgren 2013-07-08 14:21 ` Russell King - ARM Linux 2013-07-08 14:21 ` Russell King - ARM Linux 2013-07-09 8:23 ` Tony Lindgren 2013-07-09 8:23 ` Tony Lindgren 2013-07-12 9:09 ` Peter Ujfalusi 2013-07-12 9:09 ` Peter Ujfalusi 2013-07-22 9:40 ` Tomi Valkeinen 2013-07-22 9:40 ` Tomi Valkeinen 2013-10-27 13:26 ` Javier Martinez Canillas 2013-10-27 13:26 ` Javier Martinez Canillas 2013-10-28 13:32 ` Tomi Valkeinen [this message] 2013-10-28 13:32 ` Tomi Valkeinen 2013-10-28 14:25 ` Javier Martinez Canillas 2013-10-28 14:25 ` Javier Martinez Canillas 2013-07-13 2:31 ` Olof Johansson 2013-07-13 2:31 ` Olof Johansson 2013-07-13 3:10 ` Olof Johansson 2013-07-13 3:10 ` Olof Johansson 2013-07-15 6:55 ` Tony Lindgren 2013-07-15 6:55 ` Tony Lindgren 2013-07-06 21:36 ` Arnd Bergmann 2013-07-06 21:36 ` Arnd Bergmann 2013-07-06 23:37 ` debugging options (was: Re: [PATCH 1/6] ARM: OMAP2+: Remove board-4430sdp.c) Russell King - ARM Linux 2013-07-06 23:37 ` Russell King - ARM Linux 2013-05-17 19:17 ` [PATCH 2/6] ARM: OMAP2+: Remove board-omap4panda.c Tony Lindgren 2013-05-17 19:17 ` Tony Lindgren 2013-06-03 15:28 ` Ming Lei 2013-06-03 15:28 ` Ming Lei 2013-06-12 16:31 ` Tony Lindgren 2013-06-12 16:31 ` Tony Lindgren 2013-06-12 17:14 ` Tony Lindgren 2013-06-12 17:14 ` Tony Lindgren 2013-06-13 9:21 ` Sricharan R 2013-06-13 9:21 ` Sricharan R 2013-06-13 10:12 ` Sricharan R 2013-06-13 10:12 ` Sricharan R 2013-06-13 11:05 ` Tony Lindgren 2013-06-13 11:05 ` Tony Lindgren 2013-06-13 13:36 ` Ming Lei 2013-06-13 13:36 ` Ming Lei 2013-06-14 13:31 ` Ming Lei 2013-06-14 13:31 ` Ming Lei 2013-06-14 13:58 ` Ming Lei 2013-06-14 13:58 ` Ming Lei 2013-06-17 7:42 ` Sricharan R 2013-06-17 7:42 ` Sricharan R 2013-06-17 8:06 ` Arnaud Patard 2013-06-17 8:06 ` Arnaud Patard (Rtp) 2013-06-17 8:16 ` Ming Lei 2013-06-17 8:16 ` Ming Lei 2013-06-17 8:27 ` Tony Lindgren 2013-06-17 8:27 ` Tony Lindgren 2013-06-17 8:41 ` Ming Lei 2013-06-17 8:41 ` Ming Lei 2013-06-17 8:49 ` Tony Lindgren 2013-06-17 8:49 ` Tony Lindgren 2013-06-17 8:24 ` Tony Lindgren 2013-06-17 8:24 ` Tony Lindgren 2013-06-17 9:46 ` Arnaud Patard 2013-06-17 9:46 ` Arnaud Patard (Rtp) 2013-06-17 10:26 ` Tony Lindgren 2013-06-17 10:26 ` Tony Lindgren 2013-06-18 11:27 ` Tony Lindgren 2013-06-18 11:27 ` Tony Lindgren 2013-06-19 9:45 ` Arnaud Patard 2013-06-19 9:45 ` Arnaud Patard (Rtp) 2013-06-19 9:58 ` Tony Lindgren 2013-06-19 9:58 ` Tony Lindgren 2013-06-20 7:29 ` Arnaud Patard 2013-06-20 7:29 ` Arnaud Patard (Rtp) 2013-06-21 6:01 ` Tony Lindgren 2013-06-21 6:01 ` Tony Lindgren 2013-05-17 19:17 ` [PATCH 3/6] ARM: OMAP2+: Remove legacy mux data for omap4 Tony Lindgren 2013-05-17 19:17 ` Tony Lindgren 2013-05-17 19:17 ` [PATCH 4/6] ARM: OMAP2+: Remove omap4 pdata from hsmmc.c Tony Lindgren 2013-05-17 19:17 ` Tony Lindgren 2013-05-17 19:18 ` [PATCH 5/6] ARM: OMAP2+: Remove omap4 pdata for USB Tony Lindgren 2013-05-17 19:18 ` Tony Lindgren 2013-05-17 19:18 ` [PATCH 6/6] ARM: OMAP2+: Remove omap4 ocp2scp pdata Tony Lindgren 2013-05-17 19:18 ` Tony Lindgren 2013-05-17 20:05 ` Felipe Balbi 2013-05-17 20:05 ` Felipe Balbi 2013-05-21 11:53 ` Kishon Vijay Abraham I 2013-05-21 11:53 ` Kishon Vijay Abraham I 2013-06-07 10:05 ` [PATCH 0/6] Drop legacy booting for omap4 for v3.11, boot with device tree only Tomi Valkeinen 2013-06-07 10:05 ` Tomi Valkeinen
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