blob: 21a9ff01954279abffb491a5995232871a6a9c6b [file] [log] [blame]
Sughosh Ganu90592ed2019-12-28 23:58:27 +05301config DM_RNG
2 bool "Driver support for Random Number Generator devices"
3 depends on DM
4 help
5 Enable driver model for random number generator(rng) devices.
6 This interface is used to initialise the rng device and to
7 read the random seed from the device.
Sughosh Ganucd9a2f92019-12-28 23:58:29 +05308
Heinrich Schuchardtcb028662020-02-02 19:45:35 +01009if DM_RNG
10
Heinrich Schuchardt009d4a72020-02-02 19:52:04 +010011config RNG_MESON
12 bool "Amlogic Meson Random Number Generator support"
13 depends on ARCH_MESON
14 default y
15 help
16 Enable support for hardware random number generator
17 of Amlogic Meson SoCs.
18
Sughosh Ganu23e37512019-12-28 23:58:31 +053019config RNG_SANDBOX
20 bool "Sandbox random number generator"
Heinrich Schuchardtcb028662020-02-02 19:45:35 +010021 depends on SANDBOX
22 default y
Sughosh Ganu23e37512019-12-28 23:58:31 +053023 help
24 Enable random number generator for sandbox. This is an
25 emulation of a rng device.
26
Robert Markofa5d33f2020-10-08 22:05:13 +020027config RNG_MSM
28 bool "Qualcomm SoCs Random Number Generator support"
29 depends on DM_RNG
30 help
31 This driver provides support for the Random Number
32 Generator hardware found on Qualcomm SoCs.
33
Jim Liufe505c72022-05-24 16:56:57 +080034config RNG_NPCM
35 bool "Nuvoton NPCM SoCs Random Number Generator support"
36 depends on DM_RNG
37 help
38 Enable random number generator on NPCM SoCs.
39 This unit can provide 750 to 1000 random bits per second
40
Patrick Delaunay922c7d32022-03-29 14:21:23 +020041config RNG_OPTEE
42 bool "OP-TEE based Random Number Generator support"
43 depends on DM_RNG && OPTEE
44 help
45 This driver provides support for the OP-TEE based Random Number
46 Generator on ARM SoCs where hardware entropy sources are not
47 accessible to normal world but reserved and used by the OP-TEE
48 to avoid the weakness of a software PRNG.
49
Sughosh Ganucd9a2f92019-12-28 23:58:29 +053050config RNG_STM32MP1
51 bool "Enable random number generator for STM32MP1"
Heinrich Schuchardtcb028662020-02-02 19:45:35 +010052 depends on ARCH_STM32MP
Sughosh Ganucd9a2f92019-12-28 23:58:29 +053053 help
54 Enable STM32MP1 rng driver.
Heinrich Schuchardtcb028662020-02-02 19:45:35 +010055
Lin Jinhan20b78502020-03-31 17:39:59 +080056config RNG_ROCKCHIP
57 bool "Enable random number generator for rockchip crypto rng"
58 depends on ARCH_ROCKCHIP && DM_RNG
Lin Jinhan20b78502020-03-31 17:39:59 +080059 help
60 Enable random number generator for rockchip.This driver is
61 support rng module of crypto v1 and crypto v2.
62
Matthias Brugger18988ec2020-12-15 10:49:23 +010063config RNG_IPROC200
64 bool "Broadcom iProc RNG200 random number generator"
65 depends on DM_RNG
Matthias Brugger18988ec2020-12-15 10:49:23 +010066 help
67 Enable random number generator for RPI4.
Etienne Carriere741ca702022-06-01 10:27:34 +020068
69config RNG_SMCCC_TRNG
70 bool "Arm SMCCC TRNG interface"
71 depends on DM_RNG && ARM_PSCI_FW
72 default y if ARM_SMCCC_FEATURES
73 help
74 Enable random number generator for platforms that support Arm
75 SMCCC TRNG interface.
76
Heinrich Schuchardtcb028662020-02-02 19:45:35 +010077endif