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hwrng: rockchip - add support for Rockchip HW RNG

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Change-Id: Ia14bd624716eb6531ef8674843ccfbada3197d8e
Signed-off-by: Lin Jinhan <troy.lin@rock-chips.com>
This commit is contained in:
Lin Jinhan 2018-08-24 09:15:03 +08:00 committed by Tao Huang
parent 15d6bca6c4
commit d247acc66f
3 changed files with 15 additions and 0 deletions
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13
drivers/char/hw_random/Kconfig
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@ -424,6 +424,19 @@ config HW_RANDOM_EXYNOS
will be called exynos-trng.
If unsure, say Y.
config HW_RANDOM_ROCKCHIP
tristate "Rockchip Random Number Generator support"
depends on ARCH_ROCKCHIP
help
This driver provides kernel-side support for the Random Number
Generator hardware found on Rockchip cpus.
To compile this driver as a module, choose M here: the
module will be called rockchip-rng.
If unsure, say Y.
endif # HW_RANDOM
config UML_RANDOM

1
drivers/char/hw_random/Makefile
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@ -38,3 +38,4 @@ obj-$(CONFIG_HW_RANDOM_CAVIUM) += cavium-rng.o cavium-rng-vf.o
obj-$(CONFIG_HW_RANDOM_MTK) += mtk-rng.o
obj-$(CONFIG_HW_RANDOM_S390) += s390-trng.o
obj-$(CONFIG_HW_RANDOM_KEYSTONE) += ks-sa-rng.o
obj-$(CONFIG_HW_RANDOM_ROCKCHIP) += rockchip-rng.o

1
drivers/char/hw_random/rockchip-rng.c
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@ -10,6 +10,7 @@
#include <linux/hw_random.h>
#include <linux/iopoll.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>