From 1f1992c51a3f44352253204a11fc34738b739d20 Mon Sep 17 00:00:00 2001 From: Lin Jinhan Date: Fri, 24 Aug 2018 09:15:03 +0800 Subject: [PATCH] hwrng: rockchip - add support for Rockchip HW RNG Change-Id: Ia14bd624716eb6531ef8674843ccfbada3197d8e Signed-off-by: Lin Jinhan --- drivers/char/hw_random/Kconfig | 12 ++ drivers/char/hw_random/Makefile | 1 + drivers/char/hw_random/rockchip-rng.c | 214 ++++++++++++++++++++++++++ 3 files changed, 227 insertions(+) create mode 100644 drivers/char/hw_random/rockchip-rng.c --- a/drivers/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig @@ -383,6 +383,19 @@ config HW_RANDOM_STM32 If unsure, say N. +config HW_RANDOM_ROCKCHIP + tristate "Rockchip Random Number Generator support" + depends on ARCH_ROCKCHIP + default HW_RANDOM + 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. + config HW_RANDOM_PIC32 tristate "Microchip PIC32 Random Number Generator support" depends on MACH_PIC32 || COMPILE_TEST --- a/drivers/char/hw_random/Makefile +++ b/drivers/char/hw_random/Makefile @@ -35,6 +35,7 @@ obj-$(CONFIG_HW_RANDOM_IPROC_RNG200) += obj-$(CONFIG_HW_RANDOM_ST) += st-rng.o obj-$(CONFIG_HW_RANDOM_XGENE) += xgene-rng.o obj-$(CONFIG_HW_RANDOM_STM32) += stm32-rng.o +obj-$(CONFIG_HW_RANDOM_ROCKCHIP) += rockchip-rng.o obj-$(CONFIG_HW_RANDOM_PIC32) += pic32-rng.o obj-$(CONFIG_HW_RANDOM_MESON) += meson-rng.o obj-$(CONFIG_HW_RANDOM_CAVIUM) += cavium-rng.o cavium-rng-vf.o