[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.

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 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_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_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 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_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 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_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 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 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_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_STM32_ROMEM
	tristate "STMicroelectronics STM32 factory-programmed memory support"
	depends on ARCH_STM32 || COMPILE_TEST
	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_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 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 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 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_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 RAVE_SP_EEPROM
	tristate "Rave SP EEPROM Support"
	depends on RAVE_SP_CORE
	help
	  Say y here to enable Rave SP EEPROM support.

config 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_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.

config 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_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_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.

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
c066c1c0 MG	24	config NVMEM_IMX_IIM
	25	tristate "i.MX IC Identification Module support"
	26	depends on ARCH_MXC \|\| COMPILE_TEST
	27	help
	28	This is a driver for the IC Identification Module (IIM) available on
	29	i.MX SoCs, providing access to 4 Kbits of programmable
	30	eFuses.
	31
	32	This driver can also be built as a module. If so, the module
	33	will be called nvmem-imx-iim.
	34
3edba6b4	35	config NVMEM_IMX_OCOTP
dd4c1047 LS	36	tristate "i.MX 6/7/8 On-Chip OTP Controller support"
dd4c1047 LS	37	depends on ARCH_MXC \|\| COMPILE_TEST
63c0c076	38	depends on HAS_IOMEM
3edba6b4 PZ	39	help
	40	This is a driver for the On-Chip OTP Controller (OCOTP) available on
	41	i.MX6 SoCs, providing access to 4 Kbits of one-time programmable
	42	eFuses.
	43
	44	This driver can also be built as a module. If so, the module
	45	will be called nvmem-imx-ocotp.
	46
67ff708b PF	47	config NVMEM_IMX_OCOTP_SCU
	48	tristate "i.MX8 SCU On-Chip OTP Controller support"
	49	depends on IMX_SCU
b210fac7	50	depends on HAVE_ARM_SMCCC
67ff708b PF	51	help
	52	This is a driver for the SCU On-Chip OTP Controller (OCOTP)
	53	available on i.MX8 SoCs.
	54
4a2addc2 PM	55	config JZ4780_EFUSE
	56	tristate "JZ4780 EFUSE Memory Support"
	57	depends on MACH_INGENIC \|\| COMPILE_TEST
	58	depends on HAS_IOMEM
	59	depends on OF
	60	select REGMAP_MMIO
	61	help
	62	Say Y here to include support for JZ4780 efuse memory found on
	63	all JZ4780 SoC based devices.
	64	To compile this driver as a module, choose M here: the module
	65	will be called nvmem_jz4780_efuse.
	66
f02f8aee AA	67	config NVMEM_LPC18XX_EEPROM
	68	tristate "NXP LPC18XX EEPROM Memory Support"
	69	depends on ARCH_LPC18XX \|\| COMPILE_TEST
2ce7aed6	70	depends on HAS_IOMEM
f02f8aee AA	71	help
	72	Say Y here to include support for NXP LPC18xx EEPROM memory found in
	73	NXP LPC185x/3x and LPC435x/3x/2x/1x devices.
	74	To compile this driver as a module, choose M here: the module
	75	will be called nvmem_lpc18xx_eeprom.
	76
88806daf JE	77	config NVMEM_LPC18XX_OTP
	78	tristate "NXP LPC18XX OTP Memory Support"
	79	depends on ARCH_LPC18XX \|\| COMPILE_TEST
	80	depends on HAS_IOMEM
	81	help
	82	Say Y here to include support for NXP LPC18xx OTP memory found on
	83	all LPC18xx and LPC43xx devices.
	84	To compile this driver as a module, choose M here: the module
	85	will be called nvmem_lpc18xx_otp.
	86
c01e9a11 SW	87	config NVMEM_MXS_OCOTP
	88	tristate "Freescale MXS On-Chip OTP Memory Support"
	89	depends on ARCH_MXS \|\| COMPILE_TEST
5685e244	90	depends on HAS_IOMEM
c01e9a11 SW	91	help
	92	If you say Y here, you will get readonly access to the
	93	One Time Programmable memory pages that are stored
	94	on the Freescale i.MX23/i.MX28 processor.
	95
	96	This driver can also be built as a module. If so, the module
	97	will be called nvmem-mxs-ocotp.
	98
4c7e4fe3 ACC	99	config MTK_EFUSE
	100	tristate "Mediatek SoCs EFUSE support"
	101	depends on ARCH_MEDIATEK \|\| COMPILE_TEST
2ce7aed6	102	depends on HAS_IOMEM
4c7e4fe3 ACC	103	help
	104	This is a driver to access hardware related data like sensor
	105	calibration, HDMI impedance etc.
	106
	107	This driver can also be built as a module. If so, the module
	108	will be called efuse-mtk.
	109
3683b761 EGP	110	config NVMEM_NINTENDO_OTP
3683b761 EGP	111	tristate "Nintendo Wii and Wii U OTP Support"
7af526c7	112	depends on WII \|\| COMPILE_TEST
3683b761 EGP	113	help
	114	This is a driver exposing the OTP of a Nintendo Wii or Wii U console.
	115
	116	This memory contains common and per-console keys, signatures and
	117	related data required to access peripherals.
	118
	119	This driver can also be built as a module. If so, the module
	120	will be called nvmem-nintendo-otp.
	121
4ab11996 SK	122	config QCOM_QFPROM
	123	tristate "QCOM QFPROM Support"
	124	depends on ARCH_QCOM \|\| COMPILE_TEST
5685e244	125	depends on HAS_IOMEM
4ab11996 SK	126	help
	127	Say y here to enable QFPROM support. The QFPROM provides access
	128	functions for QFPROM data to rest of the drivers via nvmem interface.
	129
	130	This driver can also be built as a module. If so, the module
	131	will be called nvmem_qfprom.
	132
40ce9798 AG	133	config NVMEM_SPMI_SDAM
	134	tristate "SPMI SDAM Support"
	135	depends on SPMI
	136	help
	137	This driver supports the Shared Direct Access Memory Module on
	138	Qualcomm Technologies, Inc. PMICs. It provides the clients
	139	an interface to read/write to the SDAM module's shared memory.
	140
03a69568 Z	141	config ROCKCHIP_EFUSE
	142	tristate "Rockchip eFuse Support"
	143	depends on ARCH_ROCKCHIP \|\| COMPILE_TEST
5685e244	144	depends on HAS_IOMEM
03a69568 Z	145	help
	146	This is a simple drive to dump specified values of Rockchip SoC
	147	from eFuse, such as cpu-leakage.
	148
	149	This driver can also be built as a module. If so, the module
	150	will be called nvmem_rockchip_efuse.
	151
755864fe FX	152	config ROCKCHIP_OTP
	153	tristate "Rockchip OTP controller support"
	154	depends on ARCH_ROCKCHIP \|\| COMPILE_TEST
	155	depends on HAS_IOMEM
	156	help
	157	This is a simple drive to dump specified values of Rockchip SoC
	158	from otp, such as cpu-leakage.
	159
	160	This driver can also be built as a module. If so, the module
	161	will be called nvmem_rockchip_otp.
	162
9d59c6e8 JR	163	config NVMEM_BCM_OCOTP
	164	tristate "Broadcom On-Chip OTP Controller support"
	165	depends on ARCH_BCM_IPROC \|\| COMPILE_TEST
	166	depends on HAS_IOMEM
	167	default ARCH_BCM_IPROC
	168	help
	169	Say y here to enable read/write access to the Broadcom OTP
	170	controller.
	171
	172	This driver can also be built as a module. If so, the module
	173	will be called nvmem-bcm-ocotp.
	174
ded1b7fc FG	175	config NVMEM_STM32_ROMEM
	176	tristate "STMicroelectronics STM32 factory-programmed memory support"
	177	depends on ARCH_STM32 \|\| COMPILE_TEST
	178	help
	179	Say y here to enable read-only access for STMicroelectronics STM32
	180	factory-programmed memory area.
	181
	182	This driver can also be built as a module. If so, the module
	183	will be called nvmem-stm32-romem.
	184
3d0b16a6 MR	185	config NVMEM_SUNXI_SID
	186	tristate "Allwinner SoCs SID support"
	187	depends on ARCH_SUNXI
3d0b16a6 MR	188	help
	189	This is a driver for the 'security ID' available on various Allwinner
	190	devices.
	191
	192	This driver can also be built as a module. If so, the module
	193	will be called nvmem_sunxi_sid.
	194
71c5dd50 KH	195	config UNIPHIER_EFUSE
	196	tristate "UniPhier SoCs eFuse support"
	197	depends on ARCH_UNIPHIER \|\| COMPILE_TEST
	198	depends on HAS_IOMEM
	199	help
	200	This is a simple driver to dump specified values of UniPhier SoC
	201	from eFuse.
	202
	203	This driver can also be built as a module. If so, the module
	204	will be called nvmem-uniphier-efuse.
	205
22dbdb7c SM	206	config NVMEM_VF610_OCOTP
	207	tristate "VF610 SoC OCOTP support"
	208	depends on SOC_VF610 \|\| COMPILE_TEST
5685e244	209	depends on HAS_IOMEM
22dbdb7c SM	210	help
	211	This is a driver for the 'OCOTP' peripheral available on Vybrid
	212	devices like VF5xx and VF6xx.
	213
	214	This driver can also be build as a module. If so, the module will
	215	be called nvmem-vf610-ocotp.
	216
ad855eae	217	config MESON_EFUSE
9593ad32	218	tristate "Amlogic Meson GX eFuse Support"
ad855eae CC	219	depends on (ARCH_MESON \|\| COMPILE_TEST) && MESON_SM
	220	help
	221	This is a driver to retrieve specific values from the eFuse found on
9593ad32	222	the Amlogic Meson GX SoCs.
ad855eae CC	223
	224	This driver can also be built as a module. If so, the module
	225	will be called nvmem_meson_efuse.
	226
8caef1fa MB	227	config MESON_MX_EFUSE
	228	tristate "Amlogic Meson6/Meson8/Meson8b eFuse Support"
	229	depends on ARCH_MESON \|\| COMPILE_TEST
	230	help
	231	This is a driver to retrieve specific values from the eFuse found on
	232	the Amlogic Meson6, Meson8 and Meson8b SoCs.
	233
	234	This driver can also be built as a module. If so, the module
	235	will be called nvmem_meson_mx_efuse.
	236
988437ae OR	237	config NVMEM_SNVS_LPGPR
988437ae OR	238	tristate "Support for Low Power General Purpose Register"
2d1c1939	239	depends on ARCH_MXC \|\| COMPILE_TEST
988437ae OR	240	help
988437ae OR	241	This is a driver for Low Power General Purpose Register (LPGPR) available on
80b820ca	242	i.MX6 and i.MX7 SoCs in Secure Non-Volatile Storage (SNVS) of this chip.
988437ae OR	243
	244	This driver can also be built as a module. If so, the module
	245	will be called nvmem-snvs-lpgpr.
	246
3b51f47b AS	247	config RAVE_SP_EEPROM
	248	tristate "Rave SP EEPROM Support"
	249	depends on RAVE_SP_CORE
	250	help
	251	Say y here to enable Rave SP EEPROM support.
	252
19c54468 FL	253	config SC27XX_EFUSE
	254	tristate "Spreadtrum SC27XX eFuse Support"
	255	depends on MFD_SC27XX_PMIC \|\| COMPILE_TEST
	256	depends on HAS_IOMEM
	257	help
	258	This is a simple driver to dump specified values of Spreadtrum
	259	SC27XX PMICs from eFuse.
	260
	261	This driver can also be built as a module. If so, the module
	262	will be called nvmem-sc27xx-efuse.
	263
4640fa18 NM	264	config NVMEM_ZYNQMP
	265	bool "Xilinx ZYNQMP SoC nvmem firmware support"
	266	depends on ARCH_ZYNQMP
	267	help
	268	This is a driver to access hardware related data like
	269	soc revision, IDCODE... etc by using the firmware
	270	interface.
	271
	272	If sure, say yes. If unsure, say no.
	273
096030e7 FL	274	config SPRD_EFUSE
	275	tristate "Spreadtrum SoC eFuse Support"
	276	depends on ARCH_SPRD \|\| COMPILE_TEST
	277	depends on HAS_IOMEM
	278	help
	279	This is a simple driver to dump specified values of Spreadtrum
	280	SoCs from eFuse.
	281
	282	This driver can also be built as a module. If so, the module
	283	will be called nvmem-sprd-efuse.
	284
5a3fa75a NSJ	285	config NVMEM_RMEM
5a3fa75a NSJ	286	tristate "Reserved Memory Based Driver Support"
cc1bc56f	287	depends on HAS_IOMEM
5a3fa75a	288	help
b31f1eb4	289	This driver maps reserved memory into an nvmem device. It might be
5a3fa75a NSJ	290	useful to expose information left by firmware in memory.
	291
	292	This driver can also be built as a module. If so, the module
	293	will be called nvmem-rmem.
3fef9ed0 RM	294
	295	config NVMEM_BRCM_NVRAM
	296	tristate "Broadcom's NVRAM support"
	297	depends on ARCH_BCM_5301X \|\| COMPILE_TEST
	298	depends on HAS_IOMEM
	299	help
	300	This driver provides support for Broadcom's NVRAM that can be accessed
	301	using I/O mapping.
	302
4ab11996	303	endif