On Tue, 14 Jul 2020 15:39:16 +0300, Horia Geantă wrote: > RNGB block is found in some i.MX6 SoCs - 6SL, 6SLL, 6ULL, 6ULZ. > Add corresponding compatible strings. > > Note: > > Several NXP SoC from QorIQ family (P1010, P1023, P4080, P3041, P5020) > also have a RNGB, however it's part of the CAAM > (Cryptograhic Accelerator and Assurance Module) crypto accelerator. > In this case, RNGB is managed in the caam driver > (drivers/crypto/caam/), since it's tightly related to > the caam "job ring" interface, not to mention CAAM internally relying on > RNGB as source of randomness. > > On the other hand, the i.MX6 SoCs with RNGB have a DCP > (Data Co-Processor) crypto accelerator and this block and RNGB > are independent. > > Signed-off-by: Horia Geantă <horia.geanta@xxxxxxx> > --- > Documentation/devicetree/bindings/rng/imx-rng.txt | 3 +++ > 1 file changed, 3 insertions(+) > Reviewed-by: Rob Herring <robh@xxxxxxxxxx>