crypto: hisilicon/trng - add support for HiSTB TRNG

PATCH New David Yang 1 participant 1 message Mar 26, 2023

Subsystems (2)

Crypto API HiSilicon qm driver

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David Yang

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2023-03-26 05:35 UTC #0 lore raw

PATCH 1/1 crypto: hisilicon/trng - add support for HiSTB TRNG

HiSTB TRNG are found on some HiSilicon STB SoCs.

Signed-off-by David Yang <[email protected]>

---
v2: fix typo
v3: add option for post process depth, adjust timeout

 drivers/crypto/hisilicon/Kconfig         |   7 +
 drivers/crypto/hisilicon/Makefile        |   2 +-
 drivers/crypto/hisilicon/trng/Makefile   |   3 +
 drivers/crypto/hisilicon/trng/trng-stb.c | 171 +++++++++++++++++++++++
 4 files changed, 182 insertions(+), 1 deletion(-)
 create mode 100644 drivers/crypto/hisilicon/trng/trng-stb.c

drivers/crypto/hisilicon/Kconfig +7 -0

index 4137a8bf131f..e8690c223584 100644
@@ -82,3 +82,10 @@ config CRYPTO_DEV_HISI_TRNG
 	select CRYPTO_RNG
 	help
 	  Support for HiSilicon TRNG Driver.
+
+config CRYPTO_DEV_HISTB_TRNG
+	tristate "Support for HiSTB TRNG Driver"
+	depends on ARCH_HISI || COMPILE_TEST
+	select HW_RANDOM
+	help
+	  Support for HiSTB TRNG Driver.

drivers/crypto/hisilicon/Makefile +1 -1

index 8595a5a5d228..fc51e0edec69 100644
@@ -5,4 +5,4 @@ obj-$(CONFIG_CRYPTO_DEV_HISI_SEC2) += sec2/
 obj-$(CONFIG_CRYPTO_DEV_HISI_QM) += hisi_qm.o
 hisi_qm-objs = qm.o sgl.o debugfs.o
 obj-$(CONFIG_CRYPTO_DEV_HISI_ZIP) += zip/
-obj-$(CONFIG_CRYPTO_DEV_HISI_TRNG) += trng/
+obj-y += trng/

drivers/crypto/hisilicon/trng/Makefile +3 -0

index d909079f351c..cf20b057c66b 100644
@@ -1,2 +1,5 @@
 obj-$(CONFIG_CRYPTO_DEV_HISI_TRNG) += hisi-trng-v2.o
 hisi-trng-v2-objs = trng.o
+
+obj-$(CONFIG_CRYPTO_DEV_HISTB_TRNG) += histb-trng.o
+histb-trng-objs += trng-stb.o

drivers/crypto/hisilicon/trng/trng-stb.c new file +171 -0

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Signature · 1 line

2.39.2