From mboxrd@z Thu Jan 1 00:00:00 1970 From: tomi.valkeinen@ti.com (Tomi Valkeinen) Date: Mon, 28 Oct 2013 15:32:21 +0200 Subject: [PATCH 1/6] ARM: OMAP2+: Remove board-4430sdp.c In-Reply-To: References: <20130517191304.468.73487.stgit@localhost> <20130517191751.468.89202.stgit@localhost> <20130520095447.GR21614@n2100.arm.linux.org.uk> <20130706131057.GU21614@n2100.arm.linux.org.uk> <20130706133627.GV21614@n2100.arm.linux.org.uk> <20130708093410.GT5523@atomide.com> <20130708142103.GX21614@n2100.arm.linux.org.uk> <51ECFDFD.60102@ti.com> Message-ID: <526E6765.3030403@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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: