crypto: sahara - Add driver for SAHARA2 accelerator.

SAHARA2 HW module is included in the i.MX27 SoC from
Freescale. It is capable of performing cipher algorithms
such as AES, 3DES..., hashing and RNG too.

This driver provides support for AES-CBC and AES-ECB
by now.

Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index e66fb0a332d4..dffb85525368 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -276,6 +276,16 @@ config CRYPTO_DEV_PICOXCELL
 
           Saying m here will build a module named pipcoxcell_crypto.
 
+config CRYPTO_DEV_SAHARA
+        tristate "Support for SAHARA crypto accelerator"
+        depends on ARCH_MXC && EXPERIMENTAL && OF
+        select CRYPTO_BLKCIPHER
+        select CRYPTO_AES
+        select CRYPTO_ECB
+        help
+          This option enables support for the SAHARA HW crypto accelerator
+          found in some Freescale i.MX chips.
+
 config CRYPTO_DEV_S5P
         tristate "Support for Samsung S5PV210 crypto accelerator"
         depends on ARCH_S5PV210