On 04/16/2018 03:39 AM, 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 > I'm pretty sure it has never been tested with 12 MHz. The i.MX SabreLite seems to use 22 MHz, and I can't tell from the code what the SabreSD uses (probably 22 or 24 MHz). Steve will probably know. Regards, Hans
