From: "Eric Bénard" <eric@eukrea.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] iMX6 IPU display interface definition
Date: Thu, 20 Mar 2014 18:10:11 +0100 [thread overview]
Message-ID: <20140320181011.2b684d39@e6520eb> (raw)
In-Reply-To: <BFD323A065C48E44A0921D9898928F840482E82C@sun1049.dh.corp>
Hi Andreas,
Le Thu, 20 Mar 2014 16:13:53 +0000,
Andreas Geisreiter <ageisreiter@dh-electronics.de> 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
next prev parent reply other threads:[~2014-03-20 17:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-20 16:13 [U-Boot] iMX6 IPU display interface definition Andreas Geisreiter
2014-03-20 17:10 ` Eric Bénard [this message]
2014-03-21 7:16 ` Andreas Geisreiter
-- strict thread matches above, loose matches on Subject: below --
2014-03-20 8:41 Andreas Geisreiter
2014-03-20 15:01 ` Eric Nelson
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