drivers/nvmem/Kconfig

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 menuconfig NVMEM
   3         bool "NVMEM Support"
   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
  10           If unsure, say no.
  11
  12 if NVMEM
  13
  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
  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
  35 config NVMEM_IMX_OCOTP
  36         tristate "i.MX 6/7/8 On-Chip OTP Controller support"
  37         depends on ARCH_MXC || COMPILE_TEST
  38         depends on HAS_IOMEM
  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
  47 config NVMEM_IMX_OCOTP_SCU
  48         tristate "i.MX8 SCU On-Chip OTP Controller support"
  49         depends on IMX_SCU
  50         depends on HAVE_ARM_SMCCC
  51         help
  52           This is a driver for the SCU On-Chip OTP Controller (OCOTP)
  53           available on i.MX8 SoCs.
  54
  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
  67 config NVMEM_LPC18XX_EEPROM
  68         tristate "NXP LPC18XX EEPROM Memory Support"
  69         depends on ARCH_LPC18XX || COMPILE_TEST
  70         depends on HAS_IOMEM
  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
  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
  87 config NVMEM_MXS_OCOTP
  88         tristate "Freescale MXS On-Chip OTP Memory Support"
  89         depends on ARCH_MXS || COMPILE_TEST
  90         depends on HAS_IOMEM
  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
  99 config MTK_EFUSE
 100         tristate "Mediatek SoCs EFUSE support"
 101         depends on ARCH_MEDIATEK || COMPILE_TEST
 102         depends on HAS_IOMEM
 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
 110 config QCOM_QFPROM
 111         tristate "QCOM QFPROM Support"
 112         depends on ARCH_QCOM || COMPILE_TEST
 113         depends on HAS_IOMEM
 114         help
 115           Say y here to enable QFPROM support. The QFPROM provides access
 116           functions for QFPROM data to rest of the drivers via nvmem interface.
 117
 118           This driver can also be built as a module. If so, the module
 119           will be called nvmem_qfprom.
 120
 121 config NVMEM_SPMI_SDAM
 122         tristate "SPMI SDAM Support"
 123         depends on SPMI
 124         help
 125           This driver supports the Shared Direct Access Memory Module on
 126           Qualcomm Technologies, Inc. PMICs. It provides the clients
 127           an interface to read/write to the SDAM module's shared memory.
 128
 129 config ROCKCHIP_EFUSE
 130         tristate "Rockchip eFuse Support"
 131         depends on ARCH_ROCKCHIP || COMPILE_TEST
 132         depends on HAS_IOMEM
 133         help
 134           This is a simple drive to dump specified values of Rockchip SoC
 135           from eFuse, such as cpu-leakage.
 136
 137           This driver can also be built as a module. If so, the module
 138           will be called nvmem_rockchip_efuse.
 139
 140 config ROCKCHIP_OTP
 141         tristate "Rockchip OTP controller support"
 142         depends on ARCH_ROCKCHIP || COMPILE_TEST
 143         depends on HAS_IOMEM
 144         help
 145           This is a simple drive to dump specified values of Rockchip SoC
 146           from otp, such as cpu-leakage.
 147
 148           This driver can also be built as a module. If so, the module
 149           will be called nvmem_rockchip_otp.
 150
 151 config NVMEM_BCM_OCOTP
 152         tristate "Broadcom On-Chip OTP Controller support"
 153         depends on ARCH_BCM_IPROC || COMPILE_TEST
 154         depends on HAS_IOMEM
 155         default ARCH_BCM_IPROC
 156         help
 157           Say y here to enable read/write access to the Broadcom OTP
 158           controller.
 159
 160           This driver can also be built as a module. If so, the module
 161           will be called nvmem-bcm-ocotp.
 162
 163 config NVMEM_STM32_ROMEM
 164         tristate "STMicroelectronics STM32 factory-programmed memory support"
 165         depends on ARCH_STM32 || COMPILE_TEST
 166         help
 167           Say y here to enable read-only access for STMicroelectronics STM32
 168           factory-programmed memory area.
 169
 170           This driver can also be built as a module. If so, the module
 171           will be called nvmem-stm32-romem.
 172
 173 config NVMEM_SUNXI_SID
 174         tristate "Allwinner SoCs SID support"
 175         depends on ARCH_SUNXI
 176         help
 177           This is a driver for the 'security ID' available on various Allwinner
 178           devices.
 179
 180           This driver can also be built as a module. If so, the module
 181           will be called nvmem_sunxi_sid.
 182
 183 config UNIPHIER_EFUSE
 184         tristate "UniPhier SoCs eFuse support"
 185         depends on ARCH_UNIPHIER || COMPILE_TEST
 186         depends on HAS_IOMEM
 187         help
 188           This is a simple driver to dump specified values of UniPhier SoC
 189           from eFuse.
 190
 191           This driver can also be built as a module. If so, the module
 192           will be called nvmem-uniphier-efuse.
 193
 194 config NVMEM_VF610_OCOTP
 195         tristate "VF610 SoC OCOTP support"
 196         depends on SOC_VF610 || COMPILE_TEST
 197         depends on HAS_IOMEM
 198         help
 199           This is a driver for the 'OCOTP' peripheral available on Vybrid
 200           devices like VF5xx and VF6xx.
 201
 202           This driver can also be build as a module. If so, the module will
 203           be called nvmem-vf610-ocotp.
 204
 205 config MESON_EFUSE
 206         tristate "Amlogic Meson GX eFuse Support"
 207         depends on (ARCH_MESON || COMPILE_TEST) && MESON_SM
 208         help
 209           This is a driver to retrieve specific values from the eFuse found on
 210           the Amlogic Meson GX SoCs.
 211
 212           This driver can also be built as a module. If so, the module
 213           will be called nvmem_meson_efuse.
 214
 215 config MESON_MX_EFUSE
 216         tristate "Amlogic Meson6/Meson8/Meson8b eFuse Support"
 217         depends on ARCH_MESON || COMPILE_TEST
 218         help
 219           This is a driver to retrieve specific values from the eFuse found on
 220           the Amlogic Meson6, Meson8 and Meson8b SoCs.
 221
 222           This driver can also be built as a module. If so, the module
 223           will be called nvmem_meson_mx_efuse.
 224
 225 config NVMEM_SNVS_LPGPR
 226         tristate "Support for Low Power General Purpose Register"
 227         depends on ARCH_MXC || COMPILE_TEST
 228         help
 229           This is a driver for Low Power General Purpose Register (LPGPR) available on
 230           i.MX6 and i.MX7 SoCs in Secure Non-Volatile Storage (SNVS) of this chip.
 231
 232           This driver can also be built as a module. If so, the module
 233           will be called nvmem-snvs-lpgpr.
 234
 235 config RAVE_SP_EEPROM
 236         tristate "Rave SP EEPROM Support"
 237         depends on RAVE_SP_CORE
 238         help
 239           Say y here to enable Rave SP EEPROM support.
 240
 241 config SC27XX_EFUSE
 242         tristate "Spreadtrum SC27XX eFuse Support"
 243         depends on MFD_SC27XX_PMIC || COMPILE_TEST
 244         depends on HAS_IOMEM
 245         help
 246           This is a simple driver to dump specified values of Spreadtrum
 247           SC27XX PMICs from eFuse.
 248
 249           This driver can also be built as a module. If so, the module
 250           will be called nvmem-sc27xx-efuse.
 251
 252 config NVMEM_ZYNQMP
 253         bool "Xilinx ZYNQMP SoC nvmem firmware support"
 254         depends on ARCH_ZYNQMP
 255         help
 256           This is a driver to access hardware related data like
 257           soc revision, IDCODE... etc by using the firmware
 258           interface.
 259
 260           If sure, say yes. If unsure, say no.
 261
 262 config SPRD_EFUSE
 263         tristate "Spreadtrum SoC eFuse Support"
 264         depends on ARCH_SPRD || COMPILE_TEST
 265         depends on HAS_IOMEM
 266         help
 267           This is a simple driver to dump specified values of Spreadtrum
 268           SoCs from eFuse.
 269
 270           This driver can also be built as a module. If so, the module
 271           will be called nvmem-sprd-efuse.
 272
 273 config NVMEM_RMEM
 274         tristate "Reserved Memory Based Driver Support"
 275         depends on HAS_IOMEM
 276         help
 277           This driver maps reserved memory into an nvmem device. It might be
 278           useful to expose information left by firmware in memory.
 279
 280           This driver can also be built as a module. If so, the module
 281           will be called nvmem-rmem.
 282
 283 config NVMEM_BRCM_NVRAM
 284         tristate "Broadcom's NVRAM support"
 285         depends on ARCH_BCM_5301X || COMPILE_TEST
 286         depends on HAS_IOMEM
 287         help
 288           This driver provides support for Broadcom's NVRAM that can be accessed
 289           using I/O mapping.
 290
 291 endif