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authorJosh Boyer <jwboyer@linux.vnet.ibm.com>2011-06-27 15:34:54 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2011-06-30 07:44:06 +0800
commit52527cf3f95d437b02f54437d5c3d7fda06474d1 (patch)
treef218c25e6cb3d1aefb6040a2d919829ae52744ce /drivers/char/hw_random/Kconfig
parentc5697462ae94693764e468b701c616bbbd6f951c (diff)
hwrng: ppc4xx - add support for ppc4xx TRNG
Various PowerPC 4xx SoCs contain a TRNG embedded in the Security function. This adds a device driver for that TRNG. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Acked-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/char/hw_random/Kconfig')
-rw-r--r--drivers/char/hw_random/Kconfig12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index a60043b3e409..1d2ebc7a4947 100644
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -210,3 +210,15 @@ config HW_RANDOM_PICOXCELL
module will be called picoxcell-rng.
If unsure, say Y.
+
+config HW_RANDOM_PPC4XX
+ tristate "PowerPC 4xx generic true random number generator support"
+ depends on HW_RANDOM && PPC && 4xx
+ ---help---
+ This driver provides the kernel-side support for the TRNG hardware
+ found in the security function of some PowerPC 4xx SoCs.
+
+ To compile this driver as a module, choose M here: the
+ module will be called ppc4xx-rng.
+
+ If unsure, say N.