drivers: crypto: smartbond: Support crypto device

Add support for cipher and hash operations via the crypto engine.

Signed-off-by: Ioannis Karachalios <[email protected]>

drivers/crypto/CMakeLists.txt

@@ -5,6 +5,7 @@ zephyr_library_sources_ifdef(CONFIG_CRYPTO_TINYCRYPT_SHIM	crypto_tc_shim.c)
 zephyr_library_sources_ifdef(CONFIG_CRYPTO_ATAES132A		crypto_ataes132a.c)
 zephyr_library_sources_ifdef(CONFIG_CRYPTO_MBEDTLS_SHIM		crypto_mtls_shim.c)
 zephyr_library_sources_ifdef(CONFIG_CRYPTO_STM32			crypto_stm32.c)
+zephyr_library_sources_ifdef(CONFIG_CRYPTO_SMARTBOND        crypto_smartbond.c)
 zephyr_library_sources_ifdef(CONFIG_CRYPTO_NRF_ECB		crypto_nrf_ecb.c)
 zephyr_library_sources_ifdef(CONFIG_CRYPTO_INTEL_SHA		crypto_intel_sha.c)
 zephyr_library_sources_ifdef(CONFIG_CRYPTO_NPCX_SHA		crypto_npcx_sha.c)

drivers/crypto/Kconfig

@@ -79,5 +79,6 @@ source "drivers/crypto/Kconfig.intel"
 source "drivers/crypto/Kconfig.npcx"
 source "drivers/crypto/Kconfig.xec"
 source "drivers/crypto/Kconfig.it8xxx2"
+source "drivers/crypto/Kconfig.smartbond"
 
 endif # CRYPTO

drivers/crypto/Kconfig.smartbond

@@ -0,0 +1,24 @@
+# Smartbond Cryptographic Accelerator configuration options
+
+# Copyright (c) 2020 Markus Fuchs <[email protected]>
+# SPDX-License-Identifier: Apache-2.0
+
+menuconfig CRYPTO_SMARTBOND
+	bool "Smartbond Cryptographic Accelerator driver"
+	depends on DT_HAS_RENESAS_SMARTBOND_CRYPTO_ENABLED
+	help
+	  Enable Smartbond Cryptographic Accelerator driver.
+
+config CRYPTO_SMARTBOND_MAX_SESSION
+	int "Maximum of sessions Smartbond crypto driver can handle"
+	default 1
+	depends on CRYPTO_SMARTBOND
+	help
+	  This can be used to tweak the amount of sessions the driver
+	  can handle in parallel.
+
+config CRYPTO_ASYNC
+	string "Enable ASYNC crypto operations."
+	depends on CRYPTO_SMARTBOND
+	help
+	  Enable ASYNC crypto operations.