[U-Boot] Supporting SCCB protocol

John Tobias jtobias at viaas.com
Mon Jun 6 22:48:05 CEST 2011


Hi Wolfgang Denk,

The actual initialisation of the sensor is in the OS. But, I need an early
access to get/set the information in the OTP registers of the sensor.

Regards,

john

On Mon, Jun 6, 2011 at 1:11 PM, Wolfgang Denk <wd at denx.de> wrote:

> Dear John Tobias,
>
> In message <BANLkTimzdPONQ5vQuLUVNQNURF85VtiC5Q at mail.gmail.com> you wrote:
> >
> > That's correct! I should elaborate it. It should be (Serial Camera
> Control
> > Bus) protocol developed by omnivision.
> > I am using a OV2715 sensor and I need to access the registers of the said
> > sensor, I have to modify the I2C read/write in uboot to support the SCCB
> > transactions.
>
> Which exact operations do you need to perform in U-Boot?
>
> I would expect that initializing a camera controller (which is
> probably not used in any parts of U-Boot code) should rathe rbe done
> in the OS device driver.
>
> Best regards,
>
> Wolfgang Denk
>
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