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path: root/drivers/char/hw_random/mpfs-rng.c
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2022-04-15hwrng: mpfs - add polarfire soc hwrng supportConor Dooley1-0/+104
Add a driver to access the hardware random number generator on the Polarfire SoC. The hwrng can only be accessed via the system controller, so use the mailbox interface the system controller exposes to access the hwrng. Signed-off-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>