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| author |   Gilad Ben-Yossef <gilad@benyossef.com> | 2017-04-23 12:26:09 +0300 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-04-28 12:17:30 +0200 |
| commit | abefd6741d540fc624e73a2a3bdef2397bcbd064 (patch) | |
| tree | 520714881dd060c66a2bda607ff0dc8bc1a153e9 /drivers/staging/ccree/Kconfig | |
| parent | staging: rtl8723bs: rework debug configuration handling (diff) | |
| download | linux-dev-abefd6741d540fc624e73a2a3bdef2397bcbd064.tar.xz linux-dev-abefd6741d540fc624e73a2a3bdef2397bcbd064.zip | |
staging: ccree: introduce CryptoCell HW driver
Introduce basic low level Arm TrustZone CryptoCell HW support.
This first patch doesn't actually register any Crypto API
transformations, these will follow up in the next patch.
This first revision supports the CC 712 REE component.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/ccree/Kconfig')
| -rw-r--r-- | drivers/staging/ccree/Kconfig | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/staging/ccree/Kconfig b/drivers/staging/ccree/Kconfig new file mode 100644 index 000000000000..0f723d76b032 --- /dev/null +++ b/drivers/staging/ccree/Kconfig @@ -0,0 +1,19 @@ +config CRYPTO_DEV_CCREE + tristate "Support for ARM TrustZone CryptoCell C7XX family of Crypto accelerators" + depends on CRYPTO_HW && OF && HAS_DMA + default n + help + Say 'Y' to enable a driver for the Arm TrustZone CryptoCell + C7xx. Currently only the CryptoCell 712 REE is supported. + Choose this if you wish to use hardware acceleration of + cryptographic operations on the system REE. + If unsure say Y. + +config CCREE_DISABLE_COHERENT_DMA_OPS + bool "Disable Coherent DMA operations for the CCREE driver" + depends on CRYPTO_DEV_CCREE + default n + help + Say 'Y' to disable the use of coherent DMA operations by the + CCREE driver for debugging purposes. + If unsure say N. |