On Sat, Dec 31, 2022 at 04:01:43PM -0600, Samuel Holland wrote: > D1 has a crypto engine similar to the one in other Allwinner SoCs. > Like H6, it has a separate MBUS clock gate. > > It also requires the internal RC oscillator to be enabled for the TRNG > to return data, presumably because noise from the oscillator is used as > an entropy source. This is likely the case for earlier variants as well, > but it really only matters for H616 and newer SoCs, as H6 provides no > way to disable the internal oscillator. > > Signed-off-by: Samuel Holland <samuel@xxxxxxxxxxxx> > --- > I noticed that the vendor driver has code to explicitly enable IOSC when > using the TRNG on A83T (search SS_TRNG_OSC_ADDR), but that is covered by > a different binding/driver in mainline. > > Changes in v2: > - Add TRNG clock > > .../bindings/crypto/allwinner,sun8i-ce.yaml | 33 ++++++++++++++----- > 1 file changed, 25 insertions(+), 8 deletions(-) This doesn't have an ack from Rob Herring. Would you like me to apply just the crypto patch by itself? Thanks, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
