From mboxrd@z Thu Jan 1 00:00:00 1970 From: s.hauer@pengutronix.de (Sascha Hauer) Date: Tue, 16 Apr 2013 08:32:22 +0200 Subject: [PATCH v2 3/4] ARM: dts: mx53qsb: Add support for parallel display In-Reply-To: References: <1365516452-1287-1-git-send-email-rogerio.pimentel@freescale.com> <1365516452-1287-3-git-send-email-rogerio.pimentel@freescale.com> <1365520643.4023.52.camel@pizza.hi.pengutronix.de> <20130413170943.GX1906@pengutronix.de> Message-ID: <20130416063222.GF1906@pengutronix.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Apr 15, 2013 at 09:18:35PM -0300, Fabio Estevam wrote: > Sascha/Phillip, > > On Sat, Apr 13, 2013 at 2:09 PM, Sascha Hauer wrote: > > > Having the parallel display support is fine. Philipp just suggested to > > add status = "disabled" for both the parallel display and the lvds > > encoder so that for example the bootloader can decide which one to enable > > during runtime. Otherwise we have two display options on the same pins and > > the first one wins. > > Ok, understood. > > It is not clear how we can tell the bootloader that we want the CLAA > WVGA panel or the HDMI daughter card, for example? In barebox we would do a 'of_property -s /soc/display at di0 status okay'. I don't know the corresponding U-Boot command. > > What would be the kernel command line in each case? Ther kernel command line is not involved here. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |