47 lines
1.7 KiB
Diff
47 lines
1.7 KiB
Diff
From 1f1992c51a3f44352253204a11fc34738b739d20 Mon Sep 17 00:00:00 2001
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From: Lin Jinhan <troy.lin@rock-chips.com>
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Date: Fri, 24 Aug 2018 09:15:03 +0800
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Subject: [PATCH] hwrng: rockchip - add support for Rockchip HW RNG
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Change-Id: Ia14bd624716eb6531ef8674843ccfbada3197d8e
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Signed-off-by: Lin Jinhan <troy.lin@rock-chips.com>
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---
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drivers/char/hw_random/Kconfig | 12 ++
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drivers/char/hw_random/Makefile | 1 +
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drivers/char/hw_random/rockchip-rng.c | 214 ++++++++++++++++++++++++++
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3 files changed, 227 insertions(+)
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create mode 100644 drivers/char/hw_random/rockchip-rng.c
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--- a/drivers/char/hw_random/Kconfig
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+++ b/drivers/char/hw_random/Kconfig
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@@ -385,6 +385,19 @@ config HW_RANDOM_STM32
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If unsure, say N.
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+config HW_RANDOM_ROCKCHIP
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+ tristate "Rockchip Random Number Generator support"
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+ depends on ARCH_ROCKCHIP
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+ default HW_RANDOM
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+ help
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+ This driver provides kernel-side support for the Random Number
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+ Generator hardware found on Rockchip cpus.
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+
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+ To compile this driver as a module, choose M here: the
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+ module will be called rockchip-rng.
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+
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+ If unsure, say Y.
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+
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config HW_RANDOM_PIC32
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tristate "Microchip PIC32 Random Number Generator support"
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depends on HW_RANDOM && MACH_PIC32
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--- a/drivers/char/hw_random/Makefile
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+++ b/drivers/char/hw_random/Makefile
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@@ -35,6 +35,7 @@ obj-$(CONFIG_HW_RANDOM_IPROC_RNG200) +=
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obj-$(CONFIG_HW_RANDOM_ST) += st-rng.o
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obj-$(CONFIG_HW_RANDOM_XGENE) += xgene-rng.o
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obj-$(CONFIG_HW_RANDOM_STM32) += stm32-rng.o
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+obj-$(CONFIG_HW_RANDOM_ROCKCHIP) += rockchip-rng.o
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obj-$(CONFIG_HW_RANDOM_PIC32) += pic32-rng.o
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obj-$(CONFIG_HW_RANDOM_MESON) += meson-rng.o
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obj-$(CONFIG_HW_RANDOM_CAVIUM) += cavium-rng.o cavium-rng-vf.o
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