From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from galahad.ideasonboard.com ([185.26.127.97]:34543 "EHLO galahad.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751220AbcI2JyU (ORCPT ); Thu, 29 Sep 2016 05:54:20 -0400 From: Laurent Pinchart To: Geert Uytterhoeven Cc: Jithin T Raj , "linux-renesas-soc@vger.kernel.org" , Geert Uytterhoeven Subject: Re: LVDS Support in R-Car E2(ALT) Board Date: Thu, 29 Sep 2016 12:54:16 +0300 Message-ID: <3340255.hgJDDfAHs8@avalon> In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-renesas-soc-owner@vger.kernel.org List-ID: On Thursday 29 Sep 2016 08:35:32 Geert Uytterhoeven wrote: > On Thu, Sep 29, 2016 at 6:14 AM, Jithin T Raj wrote: > > I have successfully applied the patch and build R-car M2 Kernel for > > Koelsch Board..now it support LVDS..Thank you all especially Geert and > > Laurent..now i tried the same source tree(v4.7.5) to build for R-Car > > Good to hear it works on Koelsch! > > > E2(ALT)Board to make LVDS up..but i am getting the following error > > during making .dtb file > > > > ubuntu@teltvm2468l:~/jithin_new/linux-4.7.5$ make -j4 r8a7794-alt.dtb > > > > DTC arch/arm/boot/dts/r8a7794-alt.dtb > > > > Error: arch/arm/boot/dts/r8a77xx-aa104xd12-panel.dtsi:39.1-16 Label or > > path lvds_connector not found FATAL ERROR: Syntax error parsing input > > tree > > make[1]: *** [arch/arm/boot/dts/r8a7794-alt.dtb] Error 1 > > make: *** [r8a7794-alt.dtb] Error 2 > > ubuntu@teltvm2468l:~/jithin_new/linux-4.7.5$ > > > > I have included the "#include "r8a77xx-aa104xd12-panel.dtsi" in > > r8a7794-alt.dts > > > > my source tree is v4.7.5 stable edition > > No one has added LVDS support for r8a7794/alt yet. The R8A7794 has no LVDS output. The Alt board uses an RGB to LVDS bridge, similar to the one used by the Marzen board. You can have a look at the Marzen DT to see how to implement that. -- Regards, Laurent Pinchart