DTHEv2 is a new cryptography engine introduced in TI AM62L SoC. The features of DTHEv2 and details of AES modes supported were detailed in [1]. Additional hardware details available in SoC TRM [2]. This patch series adds support for the following AES modes: - AES-XTS - AES-CTR - AES-GCM - AES-CCM The driver is tested using full kernel crypto selftests (CRYPTO_SELFTESTS_FULL) which all pass successfully [3]. Signed-off-by: T Pratham <t-pratham@xxxxxx> --- [1]: [PATCH v7 0/2] Add support for Texas Instruments DTHEv2 Crypto Engine Link: https://lore.kernel.org/all/20250820092710.3510788-1-t-pratham@xxxxxx/ [2]: Section 14.6.3 (DMA Control Registers -> DMASS_DTHE) Link: https://www.ti.com/lit/ug/sprujb4/sprujb4.pdf [3]: DTHEv2 AES Engine kernel self-tests logs Link: https://gist.github.com/Pratham-T/aaa499cf50d20310cb27266a645bfd60 Change log: v3: - Added header files to remove implicit declaration error. - Corrected assignment of src_nents and dst_nents in dthe_aead_run (Ran the lkp kernel test bot script locally to ensure no more such errors are present) v2: - Corrected assignment of variable unpadded_cryptlen in dthe_aead_run. - Removed some if conditions which are always false, and documented the cases in comments. - Moved polling of TAG ready register to a separate function and returning -ETIMEDOUT on poll timeout. - Corrected comments to adhere to kernel coding guidelines. Link to previous version: v2: https://lore.kernel.org/all/20250908140928.2801062-1-t-pratham@xxxxxx/ v1: https://lore.kernel.org/all/20250905133504.2348972-4-t-pratham@xxxxxx/ --- T Pratham (4): crypto: ti: Add support for AES-XTS in DTHEv2 driver crypto: ti: Add support for AES-CTR in DTHEv2 driver crypto: ti: Add support for AES-GCM in DTHEv2 driver crypto: ti: Add support for AES-CCM in DTHEv2 driver drivers/crypto/ti/Kconfig | 5 + drivers/crypto/ti/dthev2-aes.c | 820 +++++++++++++++++++++++++++++- drivers/crypto/ti/dthev2-common.c | 19 + drivers/crypto/ti/dthev2-common.h | 30 +- 4 files changed, 866 insertions(+), 8 deletions(-) -- 2.43.0
