[linux-block.git] / drivers / nvmem / Kconfig

# SPDX-License-Identifier: GPL-2.0-only
menuconfig NVMEM
	bool "NVMEM Support"
	help
	  Support for NVMEM(Non Volatile Memory) devices like EEPROM, EFUSES...

	  This framework is designed to provide a generic interface to NVMEM
	  from both the Linux Kernel and the userspace.

	  If unsure, say no.

if NVMEM

config NVMEM_SYSFS
	bool "/sys/bus/nvmem/devices/*/nvmem (sysfs interface)"
	depends on SYSFS
	default y
	help
	 Say Y here to add a sysfs interface for NVMEM.

	 This interface is mostly used by userspace applications to
	 read/write directly into nvmem.

# Layouts

source "drivers/nvmem/layouts/Kconfig"

# Devices

config NVMEM_APPLE_EFUSES
	tristate "Apple eFuse support"
	depends on ARCH_APPLE || COMPILE_TEST
	default ARCH_APPLE
	help
	  Say y here to enable support for reading eFuses on Apple SoCs
	  such as the M1. These are e.g. used to store factory programmed
	  calibration data required for the PCIe or the USB-C PHY.

	  This driver can also be built as a module. If so, the module will
	  be called nvmem-apple-efuses.

config NVMEM_BCM_OCOTP
	tristate "Broadcom On-Chip OTP Controller support"
	depends on ARCH_BCM_IPROC || COMPILE_TEST
	depends on HAS_IOMEM
	default ARCH_BCM_IPROC
	help
	  Say y here to enable read/write access to the Broadcom OTP
	  controller.

	  This driver can also be built as a module. If so, the module
	  will be called nvmem-bcm-ocotp.

config NVMEM_BRCM_NVRAM
	tristate "Broadcom's NVRAM support"
	depends on ARCH_BCM_5301X || COMPILE_TEST
	depends on HAS_IOMEM
	select GENERIC_NET_UTILS
	help
	  This driver provides support for Broadcom's NVRAM that can be accessed
	  using I/O mapping.

config NVMEM_IMX_IIM
	tristate "i.MX IC Identification Module support"
	depends on ARCH_MXC || COMPILE_TEST
	help
	  This is a driver for the IC Identification Module (IIM) available on
	  i.MX SoCs, providing access to 4 Kbits of programmable
	  eFuses.

	  This driver can also be built as a module. If so, the module
	  will be called nvmem-imx-iim.

config NVMEM_IMX_OCOTP
	tristate "i.MX 6/7/8 On-Chip OTP Controller support"
	depends on ARCH_MXC || COMPILE_TEST
	depends on HAS_IOMEM
	help
	  This is a driver for the On-Chip OTP Controller (OCOTP) available on
	  i.MX6 SoCs, providing access to 4 Kbits of one-time programmable
	  eFuses.

	  This driver can also be built as a module. If so, the module
	  will be called nvmem-imx-ocotp.

config NVMEM_IMX_OCOTP_ELE
	tristate "i.MX On-Chip OTP Controller support"
	depends on ARCH_MXC || COMPILE_TEST
	depends on HAS_IOMEM
	depends on OF
	help
	  This is a driver for the On-Chip OTP Controller (OCOTP)
	  available on i.MX SoCs which has ELE.

config NVMEM_IMX_OCOTP_SCU
	tristate "i.MX8 SCU On-Chip OTP Controller support"
	depends on IMX_SCU
	depends on HAVE_ARM_SMCCC
	help
	  This is a driver for the SCU On-Chip OTP Controller (OCOTP)
	  available on i.MX8 SoCs.

config NVMEM_JZ4780_EFUSE
	tristate "JZ4780 EFUSE Memory Support"
	depends on MACH_INGENIC || COMPILE_TEST
	depends on HAS_IOMEM
	depends on OF
	select REGMAP_MMIO
	help
	  Say Y here to include support for JZ4780 efuse memory found on
	  all JZ4780 SoC based devices.
	  To compile this driver as a module, choose M here: the module
	  will be called nvmem_jz4780_efuse.

config NVMEM_LAN9662_OTPC
	tristate "Microchip LAN9662 OTP controller support"
	depends on SOC_LAN966 || COMPILE_TEST
	depends on HAS_IOMEM
	help
	  This driver enables the OTP controller available on Microchip LAN9662
	  SoCs. It controls the access to the OTP memory connected to it.

config NVMEM_LAYERSCAPE_SFP
	tristate "Layerscape SFP (Security Fuse Processor) support"
	depends on ARCH_LAYERSCAPE || COMPILE_TEST
	depends on HAS_IOMEM
	select REGMAP_MMIO
	help
	  This driver provides support to read the eFuses on Freescale
	  Layerscape SoC's. For example, the vendor provides a per part
	  unique ID there.

	  This driver can also be built as a module. If so, the module
	  will be called layerscape-sfp.

config NVMEM_LPC18XX_EEPROM
	tristate "NXP LPC18XX EEPROM Memory Support"
	depends on ARCH_LPC18XX || COMPILE_TEST
	depends on HAS_IOMEM
	help
	  Say Y here to include support for NXP LPC18xx EEPROM memory found in
	  NXP LPC185x/3x and LPC435x/3x/2x/1x devices.
	  To compile this driver as a module, choose M here: the module
	  will be called nvmem_lpc18xx_eeprom.

config NVMEM_LPC18XX_OTP
	tristate "NXP LPC18XX OTP Memory Support"
	depends on ARCH_LPC18XX || COMPILE_TEST
	depends on HAS_IOMEM
	help
	  Say Y here to include support for NXP LPC18xx OTP memory found on
	  all LPC18xx and LPC43xx devices.
	  To compile this driver as a module, choose M here: the module
	  will be called nvmem_lpc18xx_otp.

config NVMEM_MESON_EFUSE
	tristate "Amlogic Meson GX eFuse Support"
	depends on (ARCH_MESON || COMPILE_TEST) && MESON_SM
	help
	  This is a driver to retrieve specific values from the eFuse found on
	  the Amlogic Meson GX SoCs.

	  This driver can also be built as a module. If so, the module
	  will be called nvmem_meson_efuse.

config NVMEM_MESON_MX_EFUSE
	tristate "Amlogic Meson6/Meson8/Meson8b eFuse Support"
	depends on ARCH_MESON || COMPILE_TEST
	help
	  This is a driver to retrieve specific values from the eFuse found on
	  the Amlogic Meson6, Meson8 and Meson8b SoCs.

	  This driver can also be built as a module. If so, the module
	  will be called nvmem_meson_mx_efuse.

config NVMEM_MICROCHIP_OTPC
	tristate "Microchip OTPC support"
	depends on ARCH_AT91 || COMPILE_TEST
	help
	  This driver enable the OTP controller available on Microchip SAMA7G5
	  SoCs. It controls the access to the OTP memory connected to it.

config NVMEM_MTK_EFUSE
	tristate "Mediatek SoCs EFUSE support"
	depends on ARCH_MEDIATEK || COMPILE_TEST
	depends on HAS_IOMEM
	help
	  This is a driver to access hardware related data like sensor
	  calibration, HDMI impedance etc.

	  This driver can also be built as a module. If so, the module
	  will be called efuse-mtk.

config NVMEM_MXS_OCOTP
	tristate "Freescale MXS On-Chip OTP Memory Support"
	depends on ARCH_MXS || COMPILE_TEST
	depends on HAS_IOMEM
	help
	  If you say Y here, you will get readonly access to the
	  One Time Programmable memory pages that are stored
	  on the Freescale i.MX23/i.MX28 processor.

	  This driver can also be built as a module. If so, the module
	  will be called nvmem-mxs-ocotp.

config NVMEM_NINTENDO_OTP
	tristate "Nintendo Wii and Wii U OTP Support"
	depends on WII || COMPILE_TEST
	help
	  This is a driver exposing the OTP of a Nintendo Wii or Wii U console.

	  This memory contains common and per-console keys, signatures and
	  related data required to access peripherals.

	  This driver can also be built as a module. If so, the module
	  will be called nvmem-nintendo-otp.

config NVMEM_QCOM_QFPROM
	tristate "QCOM QFPROM Support"
	depends on ARCH_QCOM || COMPILE_TEST
	depends on HAS_IOMEM
	help
	  Say y here to enable QFPROM support. The QFPROM provides access
	  functions for QFPROM data to rest of the drivers via nvmem interface.

	  This driver can also be built as a module. If so, the module
	  will be called nvmem_qfprom.

config NVMEM_RAVE_SP_EEPROM
	tristate "Rave SP EEPROM Support"
	depends on RAVE_SP_CORE
	help
	  Say y here to enable Rave SP EEPROM support.

config NVMEM_RMEM
	tristate "Reserved Memory Based Driver Support"
	depends on HAS_IOMEM
	help
	  This driver maps reserved memory into an nvmem device. It might be
	  useful to expose information left by firmware in memory.

	  This driver can also be built as a module. If so, the module
	  will be called nvmem-rmem.

config NVMEM_ROCKCHIP_EFUSE
	tristate "Rockchip eFuse Support"
	depends on ARCH_ROCKCHIP || COMPILE_TEST
	depends on HAS_IOMEM
	help
	  This is a simple drive to dump specified values of Rockchip SoC
	  from eFuse, such as cpu-leakage.

	  This driver can also be built as a module. If so, the module
	  will be called nvmem_rockchip_efuse.

config NVMEM_ROCKCHIP_OTP
	tristate "Rockchip OTP controller support"
	depends on ARCH_ROCKCHIP || COMPILE_TEST
	depends on HAS_IOMEM
	help
	  This is a simple drive to dump specified values of Rockchip SoC
	  from otp, such as cpu-leakage.

	  This driver can also be built as a module. If so, the module
	  will be called nvmem_rockchip_otp.

config NVMEM_SC27XX_EFUSE
	tristate "Spreadtrum SC27XX eFuse Support"
	depends on MFD_SC27XX_PMIC || COMPILE_TEST
	depends on HAS_IOMEM
	help
	  This is a simple driver to dump specified values of Spreadtrum
	  SC27XX PMICs from eFuse.

	  This driver can also be built as a module. If so, the module
	  will be called nvmem-sc27xx-efuse.

config NVMEM_SNVS_LPGPR
	tristate "Support for Low Power General Purpose Register"
	depends on ARCH_MXC || COMPILE_TEST
	help
	  This is a driver for Low Power General Purpose Register (LPGPR) available on
	  i.MX6 and i.MX7 SoCs in Secure Non-Volatile Storage (SNVS) of this chip.

	  This driver can also be built as a module. If so, the module
	  will be called nvmem-snvs-lpgpr.

config NVMEM_SPMI_SDAM
	tristate "SPMI SDAM Support"
	depends on SPMI
	help
	  This driver supports the Shared Direct Access Memory Module on
	  Qualcomm Technologies, Inc. PMICs. It provides the clients
	  an interface to read/write to the SDAM module's shared memory.

config NVMEM_SPRD_EFUSE
	tristate "Spreadtrum SoC eFuse Support"
	depends on ARCH_SPRD || COMPILE_TEST
	depends on HAS_IOMEM
	help
	  This is a simple driver to dump specified values of Spreadtrum
	  SoCs from eFuse.

	  This driver can also be built as a module. If so, the module
	  will be called nvmem-sprd-efuse.

config NVMEM_STM32_BSEC_OPTEE_TA
	def_bool NVMEM_STM32_ROMEM && OPTEE
	help
	  Say y here to enable the accesses to STM32MP SoC OTPs by the OP-TEE
	  trusted application STM32MP BSEC.

	  This library is a used by stm32-romem driver or included in the module
	  called nvmem-stm32-romem.

config NVMEM_STM32_ROMEM
	tristate "STMicroelectronics STM32 factory-programmed memory support"
	depends on ARCH_STM32 || COMPILE_TEST
	depends on OPTEE || !OPTEE
	help
	  Say y here to enable read-only access for STMicroelectronics STM32
	  factory-programmed memory area.

	  This driver can also be built as a module. If so, the module
	  will be called nvmem-stm32-romem.

config NVMEM_SUNPLUS_OCOTP
	tristate "Sunplus SoC OTP support"
	depends on SOC_SP7021 || COMPILE_TEST
	depends on HAS_IOMEM
	help
	  This is a driver for the On-chip OTP controller (OCOTP) available
	  on Sunplus SoCs. It provides access to 128 bytes of one-time
	  programmable eFuse.

	  This driver can also be built as a module. If so, the module
	  will be called nvmem-sunplus-ocotp.

config NVMEM_SUNXI_SID
	tristate "Allwinner SoCs SID support"
	depends on ARCH_SUNXI
	help
	  This is a driver for the 'security ID' available on various Allwinner
	  devices.

	  This driver can also be built as a module. If so, the module
	  will be called nvmem_sunxi_sid.

config NVMEM_U_BOOT_ENV
	tristate "U-Boot environment variables support"
	depends on OF && MTD
	select CRC32
	select GENERIC_NET_UTILS
	help
	  U-Boot stores its setup as environment variables. This driver adds
	  support for verifying & exporting such data. It also exposes variables
	  as NVMEM cells so they can be referenced by other drivers.

	  Currently this drivers works only with env variables on top of MTD.

	  If compiled as module it will be called nvmem_u-boot-env.

config NVMEM_UNIPHIER_EFUSE
	tristate "UniPhier SoCs eFuse support"
	depends on ARCH_UNIPHIER || COMPILE_TEST
	depends on HAS_IOMEM
	help
	  This is a simple driver to dump specified values of UniPhier SoC
	  from eFuse.

	  This driver can also be built as a module. If so, the module
	  will be called nvmem-uniphier-efuse.

config NVMEM_VF610_OCOTP
	tristate "VF610 SoC OCOTP support"
	depends on SOC_VF610 || COMPILE_TEST
	depends on HAS_IOMEM
	help
	  This is a driver for the 'OCOTP' peripheral available on Vybrid
	  devices like VF5xx and VF6xx.

	  This driver can also be build as a module. If so, the module will
	  be called nvmem-vf610-ocotp.

config NVMEM_ZYNQMP
	tristate "Xilinx ZYNQMP SoC nvmem firmware support"
	depends on ARCH_ZYNQMP
	help
	  This is a driver to access hardware related data like
	  soc revision, IDCODE... etc by using the firmware
	  interface.

	  If sure, say yes. If unsure, say no.

endif
Commit	Line	Data
ec8f24b7	1	# SPDX-License-Identifier: GPL-2.0-only
eace75cf	2	menuconfig NVMEM
2a37ce25	3	bool "NVMEM Support"
eace75cf SK	4	help
	5	Support for NVMEM(Non Volatile Memory) devices like EEPROM, EFUSES...
	6
	7	This framework is designed to provide a generic interface to NVMEM
	8	from both the Linux Kernel and the userspace.
	9
eace75cf	10	If unsure, say no.
4ab11996 SK	11
	12	if NVMEM
	13
ae0c2d72 SK	14	config NVMEM_SYSFS
	15	bool "/sys/bus/nvmem/devices/*/nvmem (sysfs interface)"
	16	depends on SYSFS
	17	default y
	18	help
	19	Say Y here to add a sysfs interface for NVMEM.
	20
	21	This interface is mostly used by userspace applications to
	22	read/write directly into nvmem.
	23
266570f4 MW	24	# Layouts
	25
	26	source "drivers/nvmem/layouts/Kconfig"
	27
a06d9e5a RM	28	# Devices
	29
	30	config NVMEM_APPLE_EFUSES
	31	tristate "Apple eFuse support"
	32	depends on ARCH_APPLE \|\| COMPILE_TEST
	33	default ARCH_APPLE
	34	help
	35	Say y here to enable support for reading eFuses on Apple SoCs
	36	such as the M1. These are e.g. used to store factory programmed
	37	calibration data required for the PCIe or the USB-C PHY.
	38
	39	This driver can also be built as a module. If so, the module will
	40	be called nvmem-apple-efuses.
	41
	42	config NVMEM_BCM_OCOTP
	43	tristate "Broadcom On-Chip OTP Controller support"
	44	depends on ARCH_BCM_IPROC \|\| COMPILE_TEST
	45	depends on HAS_IOMEM
	46	default ARCH_BCM_IPROC
	47	help
	48	Say y here to enable read/write access to the Broadcom OTP
	49	controller.
	50
	51	This driver can also be built as a module. If so, the module
	52	will be called nvmem-bcm-ocotp.
	53
	54	config NVMEM_BRCM_NVRAM
	55	tristate "Broadcom's NVRAM support"
	56	depends on ARCH_BCM_5301X \|\| COMPILE_TEST
	57	depends on HAS_IOMEM
73bcd133	58	select GENERIC_NET_UTILS
a06d9e5a RM	59	help
	60	This driver provides support for Broadcom's NVRAM that can be accessed
	61	using I/O mapping.
	62
c066c1c0 MG	63	config NVMEM_IMX_IIM
	64	tristate "i.MX IC Identification Module support"
	65	depends on ARCH_MXC \|\| COMPILE_TEST
	66	help
	67	This is a driver for the IC Identification Module (IIM) available on
	68	i.MX SoCs, providing access to 4 Kbits of programmable
	69	eFuses.
	70
	71	This driver can also be built as a module. If so, the module
	72	will be called nvmem-imx-iim.
	73
3edba6b4	74	config NVMEM_IMX_OCOTP
dd4c1047 LS	75	tristate "i.MX 6/7/8 On-Chip OTP Controller support"
dd4c1047 LS	76	depends on ARCH_MXC \|\| COMPILE_TEST
63c0c076	77	depends on HAS_IOMEM
3edba6b4 PZ	78	help
	79	This is a driver for the On-Chip OTP Controller (OCOTP) available on
	80	i.MX6 SoCs, providing access to 4 Kbits of one-time programmable
	81	eFuses.
	82
	83	This driver can also be built as a module. If so, the module
	84	will be called nvmem-imx-ocotp.
	85
22e9e6fc PF	86	config NVMEM_IMX_OCOTP_ELE
	87	tristate "i.MX On-Chip OTP Controller support"
	88	depends on ARCH_MXC \|\| COMPILE_TEST
	89	depends on HAS_IOMEM
	90	depends on OF
	91	help
	92	This is a driver for the On-Chip OTP Controller (OCOTP)
	93	available on i.MX SoCs which has ELE.
	94
67ff708b PF	95	config NVMEM_IMX_OCOTP_SCU
	96	tristate "i.MX8 SCU On-Chip OTP Controller support"
	97	depends on IMX_SCU
b210fac7	98	depends on HAVE_ARM_SMCCC
67ff708b PF	99	help
	100	This is a driver for the SCU On-Chip OTP Controller (OCOTP)
	101	available on i.MX8 SoCs.
	102
28fc7c98	103	config NVMEM_JZ4780_EFUSE
4a2addc2 PM	104	tristate "JZ4780 EFUSE Memory Support"
	105	depends on MACH_INGENIC \|\| COMPILE_TEST
	106	depends on HAS_IOMEM
	107	depends on OF
	108	select REGMAP_MMIO
	109	help
	110	Say Y here to include support for JZ4780 efuse memory found on
	111	all JZ4780 SoC based devices.
	112	To compile this driver as a module, choose M here: the module
	113	will be called nvmem_jz4780_efuse.
	114
9e8f208a HV	115	config NVMEM_LAN9662_OTPC
	116	tristate "Microchip LAN9662 OTP controller support"
	117	depends on SOC_LAN966 \|\| COMPILE_TEST
	118	depends on HAS_IOMEM
	119	help
	120	This driver enables the OTP controller available on Microchip LAN9662
	121	SoCs. It controls the access to the OTP memory connected to it.
	122
a06d9e5a RM	123	config NVMEM_LAYERSCAPE_SFP
	124	tristate "Layerscape SFP (Security Fuse Processor) support"
	125	depends on ARCH_LAYERSCAPE \|\| COMPILE_TEST
	126	depends on HAS_IOMEM
	127	select REGMAP_MMIO
	128	help
	129	This driver provides support to read the eFuses on Freescale
	130	Layerscape SoC's. For example, the vendor provides a per part
	131	unique ID there.
	132
	133	This driver can also be built as a module. If so, the module
	134	will be called layerscape-sfp.
	135
f02f8aee AA	136	config NVMEM_LPC18XX_EEPROM
	137	tristate "NXP LPC18XX EEPROM Memory Support"
	138	depends on ARCH_LPC18XX \|\| COMPILE_TEST
2ce7aed6	139	depends on HAS_IOMEM
f02f8aee AA	140	help
	141	Say Y here to include support for NXP LPC18xx EEPROM memory found in
	142	NXP LPC185x/3x and LPC435x/3x/2x/1x devices.
	143	To compile this driver as a module, choose M here: the module
	144	will be called nvmem_lpc18xx_eeprom.
	145
88806daf JE	146	config NVMEM_LPC18XX_OTP
	147	tristate "NXP LPC18XX OTP Memory Support"
	148	depends on ARCH_LPC18XX \|\| COMPILE_TEST
	149	depends on HAS_IOMEM
	150	help
	151	Say Y here to include support for NXP LPC18xx OTP memory found on
	152	all LPC18xx and LPC43xx devices.
	153	To compile this driver as a module, choose M here: the module
	154	will be called nvmem_lpc18xx_otp.
	155
a06d9e5a RM	156	config NVMEM_MESON_EFUSE
	157	tristate "Amlogic Meson GX eFuse Support"
	158	depends on (ARCH_MESON \|\| COMPILE_TEST) && MESON_SM
c01e9a11	159	help
a06d9e5a RM	160	This is a driver to retrieve specific values from the eFuse found on
a06d9e5a RM	161	the Amlogic Meson GX SoCs.
c01e9a11 SW	162
c01e9a11 SW	163	This driver can also be built as a module. If so, the module
a06d9e5a RM	164	will be called nvmem_meson_efuse.
	165
	166	config NVMEM_MESON_MX_EFUSE
	167	tristate "Amlogic Meson6/Meson8/Meson8b eFuse Support"
	168	depends on ARCH_MESON \|\| COMPILE_TEST
	169	help
	170	This is a driver to retrieve specific values from the eFuse found on
	171	the Amlogic Meson6, Meson8 and Meson8b SoCs.
	172
	173	This driver can also be built as a module. If so, the module
	174	will be called nvmem_meson_mx_efuse.
	175
	176	config NVMEM_MICROCHIP_OTPC
	177	tristate "Microchip OTPC support"
	178	depends on ARCH_AT91 \|\| COMPILE_TEST
	179	help
	180	This driver enable the OTP controller available on Microchip SAMA7G5
fb817c4e	181	SoCs. It controls the access to the OTP memory connected to it.
c01e9a11	182
28fc7c98	183	config NVMEM_MTK_EFUSE
4c7e4fe3 ACC	184	tristate "Mediatek SoCs EFUSE support"
4c7e4fe3 ACC	185	depends on ARCH_MEDIATEK \|\| COMPILE_TEST
2ce7aed6	186	depends on HAS_IOMEM
4c7e4fe3 ACC	187	help
	188	This is a driver to access hardware related data like sensor
	189	calibration, HDMI impedance etc.
	190
	191	This driver can also be built as a module. If so, the module
	192	will be called efuse-mtk.
	193
a06d9e5a RM	194	config NVMEM_MXS_OCOTP
	195	tristate "Freescale MXS On-Chip OTP Memory Support"
	196	depends on ARCH_MXS \|\| COMPILE_TEST
	197	depends on HAS_IOMEM
98830350	198	help
a06d9e5a RM	199	If you say Y here, you will get readonly access to the
	200	One Time Programmable memory pages that are stored
	201	on the Freescale i.MX23/i.MX28 processor.
	202
	203	This driver can also be built as a module. If so, the module
	204	will be called nvmem-mxs-ocotp.
98830350	205
3683b761 EGP	206	config NVMEM_NINTENDO_OTP
3683b761 EGP	207	tristate "Nintendo Wii and Wii U OTP Support"
7af526c7	208	depends on WII \|\| COMPILE_TEST
3683b761 EGP	209	help
	210	This is a driver exposing the OTP of a Nintendo Wii or Wii U console.
	211
	212	This memory contains common and per-console keys, signatures and
	213	related data required to access peripherals.
	214
	215	This driver can also be built as a module. If so, the module
	216	will be called nvmem-nintendo-otp.
	217
28fc7c98	218	config NVMEM_QCOM_QFPROM
4ab11996 SK	219	tristate "QCOM QFPROM Support"
4ab11996 SK	220	depends on ARCH_QCOM \|\| COMPILE_TEST
5685e244	221	depends on HAS_IOMEM
4ab11996 SK	222	help
	223	Say y here to enable QFPROM support. The QFPROM provides access
	224	functions for QFPROM data to rest of the drivers via nvmem interface.
	225
	226	This driver can also be built as a module. If so, the module
	227	will be called nvmem_qfprom.
	228
a06d9e5a RM	229	config NVMEM_RAVE_SP_EEPROM
	230	tristate "Rave SP EEPROM Support"
	231	depends on RAVE_SP_CORE
40ce9798	232	help
a06d9e5a RM	233	Say y here to enable Rave SP EEPROM support.
	234
	235	config NVMEM_RMEM
	236	tristate "Reserved Memory Based Driver Support"
	237	depends on HAS_IOMEM
	238	help
	239	This driver maps reserved memory into an nvmem device. It might be
	240	useful to expose information left by firmware in memory.
	241
	242	This driver can also be built as a module. If so, the module
	243	will be called nvmem-rmem.
40ce9798	244
28fc7c98	245	config NVMEM_ROCKCHIP_EFUSE
03a69568 Z	246	tristate "Rockchip eFuse Support"
03a69568 Z	247	depends on ARCH_ROCKCHIP \|\| COMPILE_TEST
5685e244	248	depends on HAS_IOMEM
03a69568 Z	249	help
	250	This is a simple drive to dump specified values of Rockchip SoC
	251	from eFuse, such as cpu-leakage.
	252
	253	This driver can also be built as a module. If so, the module
	254	will be called nvmem_rockchip_efuse.
	255
28fc7c98	256	config NVMEM_ROCKCHIP_OTP
755864fe FX	257	tristate "Rockchip OTP controller support"
	258	depends on ARCH_ROCKCHIP \|\| COMPILE_TEST
	259	depends on HAS_IOMEM
	260	help
	261	This is a simple drive to dump specified values of Rockchip SoC
	262	from otp, such as cpu-leakage.
	263
	264	This driver can also be built as a module. If so, the module
	265	will be called nvmem_rockchip_otp.
	266
a06d9e5a RM	267	config NVMEM_SC27XX_EFUSE
	268	tristate "Spreadtrum SC27XX eFuse Support"
	269	depends on MFD_SC27XX_PMIC \|\| COMPILE_TEST
5685e244	270	depends on HAS_IOMEM
22dbdb7c	271	help
a06d9e5a RM	272	This is a simple driver to dump specified values of Spreadtrum
a06d9e5a RM	273	SC27XX PMICs from eFuse.
8caef1fa MB	274
8caef1fa MB	275	This driver can also be built as a module. If so, the module
a06d9e5a	276	will be called nvmem-sc27xx-efuse.
8caef1fa	277
988437ae OR	278	config NVMEM_SNVS_LPGPR
988437ae OR	279	tristate "Support for Low Power General Purpose Register"
2d1c1939	280	depends on ARCH_MXC \|\| COMPILE_TEST
988437ae OR	281	help
988437ae OR	282	This is a driver for Low Power General Purpose Register (LPGPR) available on
80b820ca	283	i.MX6 and i.MX7 SoCs in Secure Non-Volatile Storage (SNVS) of this chip.
988437ae OR	284
	285	This driver can also be built as a module. If so, the module
	286	will be called nvmem-snvs-lpgpr.
	287
a06d9e5a RM	288	config NVMEM_SPMI_SDAM
	289	tristate "SPMI SDAM Support"
	290	depends on SPMI
4640fa18	291	help
a06d9e5a RM	292	This driver supports the Shared Direct Access Memory Module on
	293	Qualcomm Technologies, Inc. PMICs. It provides the clients
	294	an interface to read/write to the SDAM module's shared memory.
4640fa18	295
28fc7c98	296	config NVMEM_SPRD_EFUSE
096030e7 FL	297	tristate "Spreadtrum SoC eFuse Support"
	298	depends on ARCH_SPRD \|\| COMPILE_TEST
	299	depends on HAS_IOMEM
	300	help
	301	This is a simple driver to dump specified values of Spreadtrum
	302	SoCs from eFuse.
	303
	304	This driver can also be built as a module. If so, the module
	305	will be called nvmem-sprd-efuse.
	306
6a0bc352	307	config NVMEM_STM32_BSEC_OPTEE_TA
1dc7e37b	308	def_bool NVMEM_STM32_ROMEM && OPTEE
6a0bc352 PD	309	help
	310	Say y here to enable the accesses to STM32MP SoC OTPs by the OP-TEE
	311	trusted application STM32MP BSEC.
	312
	313	This library is a used by stm32-romem driver or included in the module
	314	called nvmem-stm32-romem.
	315
a06d9e5a RM	316	config NVMEM_STM32_ROMEM
	317	tristate "STMicroelectronics STM32 factory-programmed memory support"
	318	depends on ARCH_STM32 \|\| COMPILE_TEST
1dc7e37b	319	depends on OPTEE \|\| !OPTEE
f7845101	320	help
a06d9e5a RM	321	Say y here to enable read-only access for STMicroelectronics STM32
a06d9e5a RM	322	factory-programmed memory area.
f7845101 MW	323
f7845101 MW	324	This driver can also be built as a module. If so, the module
a06d9e5a	325	will be called nvmem-stm32-romem.
f7845101	326
8747ec2e VS	327	config NVMEM_SUNPLUS_OCOTP
	328	tristate "Sunplus SoC OTP support"
	329	depends on SOC_SP7021 \|\| COMPILE_TEST
	330	depends on HAS_IOMEM
	331	help
	332	This is a driver for the On-chip OTP controller (OCOTP) available
	333	on Sunplus SoCs. It provides access to 128 bytes of one-time
	334	programmable eFuse.
	335
	336	This driver can also be built as a module. If so, the module
	337	will be called nvmem-sunplus-ocotp.
	338
a06d9e5a RM	339	config NVMEM_SUNXI_SID
	340	tristate "Allwinner SoCs SID support"
	341	depends on ARCH_SUNXI
b6b7ef93	342	help
a06d9e5a RM	343	This is a driver for the 'security ID' available on various Allwinner
a06d9e5a RM	344	devices.
b6b7ef93	345
a06d9e5a RM	346	This driver can also be built as a module. If so, the module
a06d9e5a RM	347	will be called nvmem_sunxi_sid.
b6b7ef93	348
d5542923 RM	349	config NVMEM_U_BOOT_ENV
	350	tristate "U-Boot environment variables support"
	351	depends on OF && MTD
	352	select CRC32
c49f1a8a	353	select GENERIC_NET_UTILS
d5542923 RM	354	help
	355	U-Boot stores its setup as environment variables. This driver adds
	356	support for verifying & exporting such data. It also exposes variables
	357	as NVMEM cells so they can be referenced by other drivers.
	358
	359	Currently this drivers works only with env variables on top of MTD.
	360
	361	If compiled as module it will be called nvmem_u-boot-env.
	362
a06d9e5a RM	363	config NVMEM_UNIPHIER_EFUSE
	364	tristate "UniPhier SoCs eFuse support"
	365	depends on ARCH_UNIPHIER \|\| COMPILE_TEST
	366	depends on HAS_IOMEM
	367	help
	368	This is a simple driver to dump specified values of UniPhier SoC
	369	from eFuse.
	370
	371	This driver can also be built as a module. If so, the module
	372	will be called nvmem-uniphier-efuse.
	373
	374	config NVMEM_VF610_OCOTP
	375	tristate "VF610 SoC OCOTP support"
	376	depends on SOC_VF610 \|\| COMPILE_TEST
	377	depends on HAS_IOMEM
	378	help
	379	This is a driver for the 'OCOTP' peripheral available on Vybrid
	380	devices like VF5xx and VF6xx.
	381
	382	This driver can also be build as a module. If so, the module will
	383	be called nvmem-vf610-ocotp.
	384
	385	config NVMEM_ZYNQMP
bcd1fe07	386	tristate "Xilinx ZYNQMP SoC nvmem firmware support"
a06d9e5a RM	387	depends on ARCH_ZYNQMP
	388	help
	389	This is a driver to access hardware related data like
	390	soc revision, IDCODE... etc by using the firmware
	391	interface.
	392
	393	If sure, say yes. If unsure, say no.
	394
4ab11996	395	endif