hw_random: add driver for atmel true hardware random number generator

For the IP block on 9g45/9g46/9m10/9m11.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Reviewed-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index 1d2ebc7a4947..e0135873ba9d 100644
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -60,6 +60,19 @@ config HW_RANDOM_AMD
 
           If unsure, say Y.
 
+config HW_RANDOM_ATMEL
+        tristate "Atmel Random Number Generator support"
+        depends on HW_RANDOM && ARCH_AT91SAM9G45
+        default HW_RANDOM
+        ---help---
+          This driver provides kernel-side support for the Random Number
+          Generator hardware found on Atmel AT91 devices.
+
+          To compile this driver as a module, choose M here: the
+          module will be called atmel-rng.
+
+          If unsure, say Y.
+
 config HW_RANDOM_GEODE
         tristate "AMD Geode HW Random Number Generator support"
         depends on HW_RANDOM && X86_32 && PCI