[PATCH] ARM: dts: imx6qdl-sabresd: Allow HDMI and LVDS to work simultaneously

[Philipp Zabel]

Am Dienstag, den 23.06.2015, 13:03 -0300 schrieb Fabio Estevam:
> Currently it is not possible to have HDMI and LVDS working simultaneously,
> because both ports try to use PLL5.
> 
> Move the LVDS to PLL3_USB_OTG, so that HDMI and LVDS can be driven from
> independent sources.
> 
> With this change the LDB pixel clock goes to 68.57 MHz, which is still
> within the valid range for the HSD100PXN1 LVDS panel.
> 
> Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>

Please remember that on i.MX6QDL in general we can't change the LDB
clock parent without risking a breakdown in the divider:

http://lists.infradead.org/pipermail/linux-arm-kernel/2015-January/313618.html
http://lists.infradead.org/pipermail/linux-arm-kernel/2015-January/313619.html
http://lists.infradead.org/pipermail/linux-arm-kernel/2015-January/313620.html

Has there been an erratum for this issue yet?

best regards
Philipp