On Sun, 2018-04-15 at 18:39 -0700, Samuel Bobrowicz wrote:
> Can anyone verify if the OV5640 driver works with input clocks other
> than the typical 24MHz? The driver suggests anything from 6MHz-24MHz
> is acceptable, but I am running into issues while bringing up a module
> that uses a 12MHz oscillator. I'd expect that different xclk's would
> necessitate different register settings for the various resolutions
> (PLL settings, PCLK width, etc.), however the driver does not seem to
> modify nearly enough based on the frequency of xclk.
>
> Sam
>
Have you seen Maxime's recent "media: ov5640: Misc cleanup and
improvements" series, especially patch 08/12 ("media: ov5640: Adjust the
clock based on the expected rate")? That seems to be something you'd
need.
regards
Philipp
