target/linux/mediatek/patches-4.9/0023-rng-add-mediatek-hw-rng.patch

   1 From 4ad0accdfb0941de1440906461c08bee715378d5 Mon Sep 17 00:00:00 2001
   2 From: John Crispin <john@phrozen.org>
   3 Date: Thu, 10 Aug 2017 15:57:44 +0200
   4 Subject: [PATCH 23/57] rng: add mediatek hw rng
   5
   6 Signed-off-by: John Crispin <john@phrozen.org>
   7 ---
   8  drivers/char/hw_random/Kconfig  | 14 ++++++++++++++
   9  drivers/char/hw_random/Makefile |  1 +
  10  drivers/crypto/Kconfig          | 18 ++++++++++++++++++
  11  drivers/crypto/Makefile         |  1 +
  12  4 files changed, 34 insertions(+)
  13
  14 --- a/drivers/char/hw_random/Kconfig
  15 +++ b/drivers/char/hw_random/Kconfig
  16 @@ -166,6 +166,20 @@ config HW_RANDOM_IXP4XX
  17
  18           If unsure, say Y.
  19
  20 +config HW_RANDOM_MTK
  21 +       tristate "Mediatek Random Number Generator support"
  22 +       depends on HW_RANDOM
  23 +       depends on ARCH_MEDIATEK || COMPILE_TEST
  24 +       default y
  25 +       ---help---
  26 +         This driver provides kernel-side support for the Random Number
  27 +         Generator hardware found on Mediatek SoCs.
  28 +
  29 +         To compile this driver as a module, choose M here. the
  30 +         module will be called mtk-rng.
  31 +
  32 +         If unsure, say Y.
  33 +
  34  config HW_RANDOM_OMAP
  35         tristate "OMAP Random Number Generator support"
  36         depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS
  37 --- a/drivers/char/hw_random/Makefile
  38 +++ b/drivers/char/hw_random/Makefile
  39 @@ -35,4 +35,5 @@ obj-$(CONFIG_HW_RANDOM_XGENE) += xgene-r
  40  obj-$(CONFIG_HW_RANDOM_STM32) += stm32-rng.o
  41  obj-$(CONFIG_HW_RANDOM_PIC32) += pic32-rng.o
  42  obj-$(CONFIG_HW_RANDOM_MESON) += meson-rng.o
  43 +obj-$(CONFIG_HW_RANDOM_MTK)    += mtk-rng.o
  44  obj-$(CONFIG_HW_RANDOM_CAVIUM) += cavium-rng.o cavium-rng-vf.o
  45 --- a/drivers/crypto/Kconfig
  46 +++ b/drivers/crypto/Kconfig
  47 @@ -553,6 +553,24 @@ config CRYPTO_DEV_ROCKCHIP
  48           This driver interfaces with the hardware crypto accelerator.
  49           Supporting cbc/ecb chainmode, and aes/des/des3_ede cipher mode.
  50
  51 +config CRYPTO_DEV_MEDIATEK
  52 +       tristate "MediaTek's EIP97 Cryptographic Engine driver"
  53 +       depends on HAS_DMA
  54 +       depends on (ARM && ARCH_MEDIATEK) || COMPILE_TEST
  55 +       select CRYPTO_AES
  56 +       select CRYPTO_AEAD
  57 +       select CRYPTO_BLKCIPHER
  58 +       select CRYPTO_CTR
  59 +       select CRYPTO_SHA1
  60 +       select CRYPTO_SHA256
  61 +       select CRYPTO_SHA512
  62 +       select CRYPTO_HMAC
  63 +       help
  64 +         This driver allows you to utilize the hardware crypto accelerator
  65 +         EIP97 which can be found on the MT7623 MT2701, MT8521p, etc ....
  66 +         Select this if you want to use it for AES/SHA1/SHA2 algorithms.
  67 +
  68 +
  69  source "drivers/crypto/chelsio/Kconfig"
  70
  71  endif # CRYPTO_HW
  72 --- a/drivers/crypto/Makefile
  73 +++ b/drivers/crypto/Makefile
  74 @@ -10,6 +10,7 @@ obj-$(CONFIG_CRYPTO_DEV_IMGTEC_HASH) +=
  75  obj-$(CONFIG_CRYPTO_DEV_IXP4XX) += ixp4xx_crypto.o
  76  obj-$(CONFIG_CRYPTO_DEV_MV_CESA) += mv_cesa.o
  77  obj-$(CONFIG_CRYPTO_DEV_MARVELL_CESA) += marvell/
  78 +obj-$(CONFIG_CRYPTO_DEV_MEDIATEK) += mediatek/
  79  obj-$(CONFIG_CRYPTO_DEV_MXS_DCP) += mxs-dcp.o
  80  obj-$(CONFIG_CRYPTO_DEV_NIAGARA2) += n2_crypto.o
  81  n2_crypto-y := n2_core.o n2_asm.o