Re: [PATCH v4 07/26] ARM: pxa: magician: Fix HTC Magician pin mux definitions

From: Petr Cvek
Date: Sun Oct 04 2015 - 22:15:00 EST


Dne 3.10.2015 v 14:30 Philipp Zabel napsal(a):
> Am Montag, den 28.09.2015, 23:15 +0200 schrieb Petr Cvek:
>> This patch fixes a pin mux for the HTC Magician machine. Wrong and
>> missing
>> definitions caused a bad LCD operation and an unavailability of
>> several
>> peripherals.
>>
>> Signed-off-by: Petr Cvek <petr.cvek@xxxxxx>
>
> NAK on this one. Until this patch I can boot my o2 Xda mini with
> Toppoly display and see the framebuffer kernel console output. Can we
> split the LCD changes from the rest, I assume those are what breaks my
> display.

I read the Toppoly datasheet and it seems, the LCD panel implements V/HSYNC, while Samsung does not (and I'm sure at least one of these sync pins must be GPIO for DC-DC control). A solution is probably to reconfigure the GPIO muxes by detected LCD type.

>
> best regards
> Philipp
>

Petr
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