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From 4ad0accdfb0941de1440906461c08bee715378d5 Mon Sep 17 00:00:00 2001
From: John Crispin <john@phrozen.org>
Date: Thu, 10 Aug 2017 15:57:44 +0200
Subject: [PATCH 23/57] rng: add mediatek hw rng
Signed-off-by: John Crispin <john@phrozen.org>
---
drivers/char/hw_random/Kconfig | 14 ++++++++++++++
drivers/char/hw_random/Makefile | 1 +
drivers/crypto/Kconfig | 18 ++++++++++++++++++
drivers/crypto/Makefile | 1 +
4 files changed, 34 insertions(+)
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -166,6 +166,20 @@ config HW_RANDOM_IXP4XX
If unsure, say Y.
+config HW_RANDOM_MTK
+ tristate "Mediatek Random Number Generator support"
+ depends on HW_RANDOM
+ depends on ARCH_MEDIATEK || COMPILE_TEST
+ default y
+ ---help---
+ This driver provides kernel-side support for the Random Number
+ Generator hardware found on Mediatek SoCs.
+
+ To compile this driver as a module, choose M here. the
+ module will be called mtk-rng.
+
+ If unsure, say Y.
+
config HW_RANDOM_OMAP
tristate "OMAP Random Number Generator support"
depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS
--- a/drivers/char/hw_random/Makefile
+++ b/drivers/char/hw_random/Makefile
@@ -35,4 +35,5 @@ obj-$(CONFIG_HW_RANDOM_XGENE) += xgene-r
obj-$(CONFIG_HW_RANDOM_STM32) += stm32-rng.o
obj-$(CONFIG_HW_RANDOM_PIC32) += pic32-rng.o
obj-$(CONFIG_HW_RANDOM_MESON) += meson-rng.o
+obj-$(CONFIG_HW_RANDOM_MTK) += mtk-rng.o
obj-$(CONFIG_HW_RANDOM_CAVIUM) += cavium-rng.o cavium-rng-vf.o
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -553,6 +553,24 @@ config CRYPTO_DEV_ROCKCHIP
This driver interfaces with the hardware crypto accelerator.
Supporting cbc/ecb chainmode, and aes/des/des3_ede cipher mode.
+config CRYPTO_DEV_MEDIATEK
+ tristate "MediaTek's EIP97 Cryptographic Engine driver"
+ depends on HAS_DMA
+ depends on (ARM && ARCH_MEDIATEK) || COMPILE_TEST
+ select CRYPTO_AES
+ select CRYPTO_AEAD
+ select CRYPTO_BLKCIPHER
+ select CRYPTO_CTR
+ select CRYPTO_SHA1
+ select CRYPTO_SHA256
+ select CRYPTO_SHA512
+ select CRYPTO_HMAC
+ help
+ This driver allows you to utilize the hardware crypto accelerator
+ EIP97 which can be found on the MT7623 MT2701, MT8521p, etc ....
+ Select this if you want to use it for AES/SHA1/SHA2 algorithms.
+
+
source "drivers/crypto/chelsio/Kconfig"
endif # CRYPTO_HW
--- a/drivers/crypto/Makefile
+++ b/drivers/crypto/Makefile
@@ -10,6 +10,7 @@ obj-$(CONFIG_CRYPTO_DEV_IMGTEC_HASH) +=
obj-$(CONFIG_CRYPTO_DEV_IXP4XX) += ixp4xx_crypto.o
obj-$(CONFIG_CRYPTO_DEV_MV_CESA) += mv_cesa.o
obj-$(CONFIG_CRYPTO_DEV_MARVELL_CESA) += marvell/
+obj-$(CONFIG_CRYPTO_DEV_MEDIATEK) += mediatek/
obj-$(CONFIG_CRYPTO_DEV_MXS_DCP) += mxs-dcp.o
obj-$(CONFIG_CRYPTO_DEV_NIAGARA2) += n2_crypto.o
n2_crypto-y := n2_core.o n2_asm.o
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