[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.

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