From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric =?ISO-8859-1?B?QuluYXJk?= Date: Thu, 20 Mar 2014 18:10:11 +0100 Subject: [U-Boot] iMX6 IPU display interface definition In-Reply-To: References: Message-ID: <20140320181011.2b684d39@e6520eb> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Andreas, Le Thu, 20 Mar 2014 16:13:53 +0000, Andreas Geisreiter a ?crit : > Thanks for your help. In the header files which you mentioned I found the following: > > V-Sync: Active high or low = FB_SYNC_VERT_HIGH_ACT > H-Sync: Active high or low = FB_SYNC_HOR_HIGH_ACT > Output enable: Active high or low = FB_SYNC_OE_LOW_ACT > Data lines: inverted or not = FB_SYNC_DATA_INVERT > Pixel Clock: Data is driven on falling or rising edge > > But now I'm missing the define for switching pixel clock between rising and falling edge. Do you know how I can switch pixel clock activity? > check in drivers/video/mxc_ipuv3_fb.c : if (!(fbi->var.sync & FB_SYNC_CLK_LAT_FALL)) sig_cfg.clk_pol = 1; Eric