crypto: omap-des - Add config and build options

Add config and build options for the omap-des driver.
Signed-off-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/Kconfig

@@ -262,6 +262,17 @@ config CRYPTO_DEV_OMAP_AES
 	  OMAP processors have AES module accelerator. Select this if you
 	  want to use the OMAP module for AES algorithms.
 
+config CRYPTO_DEV_OMAP_DES
+	tristate "Support for OMAP DES3DES hw engine"
+	depends on ARCH_OMAP2PLUS
+	select CRYPTO_DES
+	select CRYPTO_BLKCIPHER2
+	help
+	  OMAP processors have DES/3DES module accelerator. Select this if you
+	  want to use the OMAP module for DES and 3DES algorithms. Currently
+	  the ECB and CBC modes of operation supported by the driver. Also
+	  accesses made on unaligned boundaries are also supported.
+
 config CRYPTO_DEV_PICOXCELL
 	tristate "Support for picoXcell IPSEC and Layer2 crypto engines"
 	depends on ARCH_PICOXCELL && HAVE_CLK

drivers/crypto/Makefile

@@ -13,6 +13,7 @@ obj-$(CONFIG_CRYPTO_DEV_NIAGARA2) += n2_crypto.o
 n2_crypto-y := n2_core.o n2_asm.o
 obj-$(CONFIG_CRYPTO_DEV_NX) += nx/
 obj-$(CONFIG_CRYPTO_DEV_OMAP_AES) += omap-aes.o
+obj-$(CONFIG_CRYPTO_DEV_OMAP_DES) += omap-des.o
 obj-$(CONFIG_CRYPTO_DEV_OMAP_SHAM) += omap-sham.o
 obj-$(CONFIG_CRYPTO_DEV_PADLOCK_AES) += padlock-aes.o
 obj-$(CONFIG_CRYPTO_DEV_PADLOCK_SHA) += padlock-sha.o