[PATCH] doc: board: ti: Add optee rng support

[Michael Walle]

Hi,

> > > J722S has hw rng, which can be used by OPTEE.
> > > So remove option to use SW TRNG by OPTEE.
> > >
> > > Signed-off-by: Udit Kumar <u-kumar1 at ti.com>
> > > ---
> > > reference discussion 
> > > https://lore.kernel.org/all/20250313144155.2382316-1-mwalle@kernel.org/
> > >
> > > Bootlogs with optee trng 
> > > https://gist.github.com/uditkumarti/5f90210b23e67cd4eb6d06a024031ee8#file-gistfile1-txt-L1970
> > 
> > 
> > I can confirm the TRNG will work on u-boot as well as linux.
> > Thanks!
>
> just curious: Did you have to change .configs for either?

We are using the (arm64) defconfig in linux, so no.

Regarding u-boot, I don't know because we are using our own config
and I had to enable CONFIG_OPTEE there (as well as
CONFIG_OPTEE_SERVICE_DISCOVERY, but that one is default y).

-michael
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