| Kconfig (28fc7c986f01fdcfd28af648be2597624cac0e27) | Kconfig (a06d9e5a63b7c2f622c908cd9600ce735e70f7c6) |
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| 1# SPDX-License-Identifier: GPL-2.0-only 2menuconfig 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. --- 7 unchanged lines hidden (view full) --- 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 | 1# SPDX-License-Identifier: GPL-2.0-only 2menuconfig 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. --- 7 unchanged lines hidden (view full) --- 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# Devices 25 26config 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 38config 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 50config 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 |
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| 24config 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 --- 27 unchanged lines hidden (view full) --- 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 | 58config 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 --- 27 unchanged lines hidden (view full) --- 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 |
| 101config NVMEM_LAYERSCAPE_SFP 102 tristate "Layerscape SFP (Security Fuse Processor) support" 103 depends on ARCH_LAYERSCAPE || COMPILE_TEST 104 depends on HAS_IOMEM 105 select REGMAP_MMIO 106 help 107 This driver provides support to read the eFuses on Freescale 108 Layerscape SoC's. For example, the vendor provides a per part 109 unique ID there. 110 111 This driver can also be built as a module. If so, the module 112 will be called layerscape-sfp. 113 |
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| 67config 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 --- 4 unchanged lines hidden (view full) --- 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 | 114config NVMEM_LPC18XX_EEPROM 115 tristate "NXP LPC18XX EEPROM Memory Support" 116 depends on ARCH_LPC18XX || COMPILE_TEST 117 depends on HAS_IOMEM 118 help 119 Say Y here to include support for NXP LPC18xx EEPROM memory found in 120 NXP LPC185x/3x and LPC435x/3x/2x/1x devices. 121 To compile this driver as a module, choose M here: the module --- 4 unchanged lines hidden (view full) --- 126 depends on ARCH_LPC18XX || COMPILE_TEST 127 depends on HAS_IOMEM 128 help 129 Say Y here to include support for NXP LPC18xx OTP memory found on 130 all LPC18xx and LPC43xx devices. 131 To compile this driver as a module, choose M here: the module 132 will be called nvmem_lpc18xx_otp. 133 |
| 87config NVMEM_MXS_OCOTP 88 tristate "Freescale MXS On-Chip OTP Memory Support" 89 depends on ARCH_MXS || COMPILE_TEST 90 depends on HAS_IOMEM | 134config NVMEM_MESON_EFUSE 135 tristate "Amlogic Meson GX eFuse Support" 136 depends on (ARCH_MESON || COMPILE_TEST) && MESON_SM |
| 91 help | 137 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. | 138 This is a driver to retrieve specific values from the eFuse found on 139 the Amlogic Meson GX SoCs. |
| 95 96 This driver can also be built as a module. If so, the module | 140 141 This driver can also be built as a module. If so, the module |
| 97 will be called nvmem-mxs-ocotp. | 142 will be called nvmem_meson_efuse. |
| 98 | 143 |
| 144config NVMEM_MESON_MX_EFUSE 145 tristate "Amlogic Meson6/Meson8/Meson8b eFuse Support" 146 depends on ARCH_MESON || COMPILE_TEST 147 help 148 This is a driver to retrieve specific values from the eFuse found on 149 the Amlogic Meson6, Meson8 and Meson8b SoCs. 150 151 This driver can also be built as a module. If so, the module 152 will be called nvmem_meson_mx_efuse. 153 154config NVMEM_MICROCHIP_OTPC 155 tristate "Microchip OTPC support" 156 depends on ARCH_AT91 || COMPILE_TEST 157 help 158 This driver enable the OTP controller available on Microchip SAMA7G5 159 SoCs. It controlls the access to the OTP memory connected to it. 160 |
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| 99config NVMEM_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 | 161config NVMEM_MTK_EFUSE 162 tristate "Mediatek SoCs EFUSE support" 163 depends on ARCH_MEDIATEK || COMPILE_TEST 164 depends on HAS_IOMEM 165 help 166 This is a driver to access hardware related data like sensor 167 calibration, HDMI impedance etc. 168 169 This driver can also be built as a module. If so, the module 170 will be called efuse-mtk. 171 |
| 110config NVMEM_MICROCHIP_OTPC 111 tristate "Microchip OTPC support" 112 depends on ARCH_AT91 || COMPILE_TEST | 172config NVMEM_MXS_OCOTP 173 tristate "Freescale MXS On-Chip OTP Memory Support" 174 depends on ARCH_MXS || COMPILE_TEST 175 depends on HAS_IOMEM |
| 113 help | 176 help |
| 114 This driver enable the OTP controller available on Microchip SAMA7G5 115 SoCs. It controlls the access to the OTP memory connected to it. | 177 If you say Y here, you will get readonly access to the 178 One Time Programmable memory pages that are stored 179 on the Freescale i.MX23/i.MX28 processor. |
| 116 | 180 |
| 181 This driver can also be built as a module. If so, the module 182 will be called nvmem-mxs-ocotp. 183 |
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| 117config NVMEM_NINTENDO_OTP 118 tristate "Nintendo Wii and Wii U OTP Support" 119 depends on WII || COMPILE_TEST 120 help 121 This is a driver exposing the OTP of a Nintendo Wii or Wii U console. 122 123 This memory contains common and per-console keys, signatures and 124 related data required to access peripherals. --- 7 unchanged lines hidden (view full) --- 132 depends on HAS_IOMEM 133 help 134 Say y here to enable QFPROM support. The QFPROM provides access 135 functions for QFPROM data to rest of the drivers via nvmem interface. 136 137 This driver can also be built as a module. If so, the module 138 will be called nvmem_qfprom. 139 | 184config NVMEM_NINTENDO_OTP 185 tristate "Nintendo Wii and Wii U OTP Support" 186 depends on WII || COMPILE_TEST 187 help 188 This is a driver exposing the OTP of a Nintendo Wii or Wii U console. 189 190 This memory contains common and per-console keys, signatures and 191 related data required to access peripherals. --- 7 unchanged lines hidden (view full) --- 199 depends on HAS_IOMEM 200 help 201 Say y here to enable QFPROM support. The QFPROM provides access 202 functions for QFPROM data to rest of the drivers via nvmem interface. 203 204 This driver can also be built as a module. If so, the module 205 will be called nvmem_qfprom. 206 |
| 140config NVMEM_SPMI_SDAM 141 tristate "SPMI SDAM Support" 142 depends on SPMI | 207config NVMEM_RAVE_SP_EEPROM 208 tristate "Rave SP EEPROM Support" 209 depends on RAVE_SP_CORE |
| 143 help | 210 help |
| 144 This driver supports the Shared Direct Access Memory Module on 145 Qualcomm Technologies, Inc. PMICs. It provides the clients 146 an interface to read/write to the SDAM module's shared memory. | 211 Say y here to enable Rave SP EEPROM support. |
| 147 | 212 |
| 213config NVMEM_RMEM 214 tristate "Reserved Memory Based Driver Support" 215 depends on HAS_IOMEM 216 help 217 This driver maps reserved memory into an nvmem device. It might be 218 useful to expose information left by firmware in memory. 219 220 This driver can also be built as a module. If so, the module 221 will be called nvmem-rmem. 222 |
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| 148config NVMEM_ROCKCHIP_EFUSE 149 tristate "Rockchip eFuse Support" 150 depends on ARCH_ROCKCHIP || COMPILE_TEST 151 depends on HAS_IOMEM 152 help 153 This is a simple drive to dump specified values of Rockchip SoC 154 from eFuse, such as cpu-leakage. 155 --- 6 unchanged lines hidden (view full) --- 162 depends on HAS_IOMEM 163 help 164 This is a simple drive to dump specified values of Rockchip SoC 165 from otp, such as cpu-leakage. 166 167 This driver can also be built as a module. If so, the module 168 will be called nvmem_rockchip_otp. 169 | 223config NVMEM_ROCKCHIP_EFUSE 224 tristate "Rockchip eFuse Support" 225 depends on ARCH_ROCKCHIP || COMPILE_TEST 226 depends on HAS_IOMEM 227 help 228 This is a simple drive to dump specified values of Rockchip SoC 229 from eFuse, such as cpu-leakage. 230 --- 6 unchanged lines hidden (view full) --- 237 depends on HAS_IOMEM 238 help 239 This is a simple drive to dump specified values of Rockchip SoC 240 from otp, such as cpu-leakage. 241 242 This driver can also be built as a module. If so, the module 243 will be called nvmem_rockchip_otp. 244 |
| 170config NVMEM_BCM_OCOTP 171 tristate "Broadcom On-Chip OTP Controller support" 172 depends on ARCH_BCM_IPROC || COMPILE_TEST | 245config NVMEM_SC27XX_EFUSE 246 tristate "Spreadtrum SC27XX eFuse Support" 247 depends on MFD_SC27XX_PMIC || COMPILE_TEST |
| 173 depends on HAS_IOMEM | 248 depends on HAS_IOMEM |
| 174 default ARCH_BCM_IPROC | |
| 175 help | 249 help |
| 176 Say y here to enable read/write access to the Broadcom OTP 177 controller. | 250 This is a simple driver to dump specified values of Spreadtrum 251 SC27XX PMICs from eFuse. |
| 178 179 This driver can also be built as a module. If so, the module | 252 253 This driver can also be built as a module. If so, the module |
| 180 will be called nvmem-bcm-ocotp. | 254 will be called nvmem-sc27xx-efuse. |
| 181 | 255 |
| 182config NVMEM_STM32_ROMEM 183 tristate "STMicroelectronics STM32 factory-programmed memory support" 184 depends on ARCH_STM32 || COMPILE_TEST 185 help 186 Say y here to enable read-only access for STMicroelectronics STM32 187 factory-programmed memory area. 188 189 This driver can also be built as a module. If so, the module 190 will be called nvmem-stm32-romem. 191 192config NVMEM_SUNXI_SID 193 tristate "Allwinner SoCs SID support" 194 depends on ARCH_SUNXI 195 help 196 This is a driver for the 'security ID' available on various Allwinner 197 devices. 198 199 This driver can also be built as a module. If so, the module 200 will be called nvmem_sunxi_sid. 201 202config NVMEM_UNIPHIER_EFUSE 203 tristate "UniPhier SoCs eFuse support" 204 depends on ARCH_UNIPHIER || COMPILE_TEST 205 depends on HAS_IOMEM 206 help 207 This is a simple driver to dump specified values of UniPhier SoC 208 from eFuse. 209 210 This driver can also be built as a module. If so, the module 211 will be called nvmem-uniphier-efuse. 212 213config NVMEM_VF610_OCOTP 214 tristate "VF610 SoC OCOTP support" 215 depends on SOC_VF610 || COMPILE_TEST 216 depends on HAS_IOMEM 217 help 218 This is a driver for the 'OCOTP' peripheral available on Vybrid 219 devices like VF5xx and VF6xx. 220 221 This driver can also be build as a module. If so, the module will 222 be called nvmem-vf610-ocotp. 223 224config NVMEM_MESON_EFUSE 225 tristate "Amlogic Meson GX eFuse Support" 226 depends on (ARCH_MESON || COMPILE_TEST) && MESON_SM 227 help 228 This is a driver to retrieve specific values from the eFuse found on 229 the Amlogic Meson GX SoCs. 230 231 This driver can also be built as a module. If so, the module 232 will be called nvmem_meson_efuse. 233 234config NVMEM_MESON_MX_EFUSE 235 tristate "Amlogic Meson6/Meson8/Meson8b eFuse Support" 236 depends on ARCH_MESON || COMPILE_TEST 237 help 238 This is a driver to retrieve specific values from the eFuse found on 239 the Amlogic Meson6, Meson8 and Meson8b SoCs. 240 241 This driver can also be built as a module. If so, the module 242 will be called nvmem_meson_mx_efuse. 243 | |
| 244config NVMEM_SNVS_LPGPR 245 tristate "Support for Low Power General Purpose Register" 246 depends on ARCH_MXC || COMPILE_TEST 247 help 248 This is a driver for Low Power General Purpose Register (LPGPR) available on 249 i.MX6 and i.MX7 SoCs in Secure Non-Volatile Storage (SNVS) of this chip. 250 251 This driver can also be built as a module. If so, the module 252 will be called nvmem-snvs-lpgpr. 253 | 256config NVMEM_SNVS_LPGPR 257 tristate "Support for Low Power General Purpose Register" 258 depends on ARCH_MXC || COMPILE_TEST 259 help 260 This is a driver for Low Power General Purpose Register (LPGPR) available on 261 i.MX6 and i.MX7 SoCs in Secure Non-Volatile Storage (SNVS) of this chip. 262 263 This driver can also be built as a module. If so, the module 264 will be called nvmem-snvs-lpgpr. 265 |
| 254config NVMEM_RAVE_SP_EEPROM 255 tristate "Rave SP EEPROM Support" 256 depends on RAVE_SP_CORE | 266config NVMEM_SPMI_SDAM 267 tristate "SPMI SDAM Support" 268 depends on SPMI |
| 257 help | 269 help |
| 258 Say y here to enable Rave SP EEPROM support. | 270 This driver supports the Shared Direct Access Memory Module on 271 Qualcomm Technologies, Inc. PMICs. It provides the clients 272 an interface to read/write to the SDAM module's shared memory. |
| 259 | 273 |
| 260config NVMEM_SC27XX_EFUSE 261 tristate "Spreadtrum SC27XX eFuse Support" 262 depends on MFD_SC27XX_PMIC || COMPILE_TEST 263 depends on HAS_IOMEM 264 help 265 This is a simple driver to dump specified values of Spreadtrum 266 SC27XX PMICs from eFuse. 267 268 This driver can also be built as a module. If so, the module 269 will be called nvmem-sc27xx-efuse. 270 271config NVMEM_ZYNQMP 272 bool "Xilinx ZYNQMP SoC nvmem firmware support" 273 depends on ARCH_ZYNQMP 274 help 275 This is a driver to access hardware related data like 276 soc revision, IDCODE... etc by using the firmware 277 interface. 278 279 If sure, say yes. If unsure, say no. 280 | |
| 281config NVMEM_SPRD_EFUSE 282 tristate "Spreadtrum SoC eFuse Support" 283 depends on ARCH_SPRD || COMPILE_TEST 284 depends on HAS_IOMEM 285 help 286 This is a simple driver to dump specified values of Spreadtrum 287 SoCs from eFuse. 288 289 This driver can also be built as a module. If so, the module 290 will be called nvmem-sprd-efuse. 291 | 274config NVMEM_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 |
| 292config NVMEM_RMEM 293 tristate "Reserved Memory Based Driver Support" 294 depends on HAS_IOMEM | 285config NVMEM_STM32_ROMEM 286 tristate "STMicroelectronics STM32 factory-programmed memory support" 287 depends on ARCH_STM32 || COMPILE_TEST |
| 295 help | 288 help |
| 296 This driver maps reserved memory into an nvmem device. It might be 297 useful to expose information left by firmware in memory. | 289 Say y here to enable read-only access for STMicroelectronics STM32 290 factory-programmed memory area. |
| 298 299 This driver can also be built as a module. If so, the module | 291 292 This driver can also be built as a module. If so, the module |
| 300 will be called nvmem-rmem. | 293 will be called nvmem-stm32-romem. |
| 301 | 294 |
| 302config NVMEM_BRCM_NVRAM 303 tristate "Broadcom's NVRAM support" 304 depends on ARCH_BCM_5301X || COMPILE_TEST 305 depends on HAS_IOMEM 306 help 307 This driver provides support for Broadcom's NVRAM that can be accessed 308 using I/O mapping. 309 310config NVMEM_LAYERSCAPE_SFP 311 tristate "Layerscape SFP (Security Fuse Processor) support" 312 depends on ARCH_LAYERSCAPE || COMPILE_TEST 313 depends on HAS_IOMEM 314 select REGMAP_MMIO 315 help 316 This driver provides support to read the eFuses on Freescale 317 Layerscape SoC's. For example, the vendor provides a per part 318 unique ID there. 319 320 This driver can also be built as a module. If so, the module 321 will be called layerscape-sfp. 322 | |
| 323config NVMEM_SUNPLUS_OCOTP 324 tristate "Sunplus SoC OTP support" 325 depends on SOC_SP7021 || COMPILE_TEST 326 depends on HAS_IOMEM 327 help 328 This is a driver for the On-chip OTP controller (OCOTP) available 329 on Sunplus SoCs. It provides access to 128 bytes of one-time 330 programmable eFuse. 331 332 This driver can also be built as a module. If so, the module 333 will be called nvmem-sunplus-ocotp. 334 | 295config NVMEM_SUNPLUS_OCOTP 296 tristate "Sunplus SoC OTP support" 297 depends on SOC_SP7021 || COMPILE_TEST 298 depends on HAS_IOMEM 299 help 300 This is a driver for the On-chip OTP controller (OCOTP) available 301 on Sunplus SoCs. It provides access to 128 bytes of one-time 302 programmable eFuse. 303 304 This driver can also be built as a module. If so, the module 305 will be called nvmem-sunplus-ocotp. 306 |
| 335config NVMEM_APPLE_EFUSES 336 tristate "Apple eFuse support" 337 depends on ARCH_APPLE || COMPILE_TEST 338 default ARCH_APPLE | 307config NVMEM_SUNXI_SID 308 tristate "Allwinner SoCs SID support" 309 depends on ARCH_SUNXI |
| 339 help | 310 help |
| 340 Say y here to enable support for reading eFuses on Apple SoCs 341 such as the M1. These are e.g. used to store factory programmed 342 calibration data required for the PCIe or the USB-C PHY. | 311 This is a driver for the 'security ID' available on various Allwinner 312 devices. |
| 343 | 313 |
| 344 This driver can also be built as a module. If so, the module will 345 be called nvmem-apple-efuses. | 314 This driver can also be built as a module. If so, the module 315 will be called nvmem_sunxi_sid. |
| 346 347config NVMEM_U_BOOT_ENV 348 tristate "U-Boot environment variables support" 349 depends on OF && MTD 350 select CRC32 351 help 352 U-Boot stores its setup as environment variables. This driver adds 353 support for verifying & exporting such data. It also exposes variables 354 as NVMEM cells so they can be referenced by other drivers. 355 356 Currently this drivers works only with env variables on top of MTD. 357 358 If compiled as module it will be called nvmem_u-boot-env. 359 | 316 317config NVMEM_U_BOOT_ENV 318 tristate "U-Boot environment variables support" 319 depends on OF && MTD 320 select CRC32 321 help 322 U-Boot stores its setup as environment variables. This driver adds 323 support for verifying & exporting such data. It also exposes variables 324 as NVMEM cells so they can be referenced by other drivers. 325 326 Currently this drivers works only with env variables on top of MTD. 327 328 If compiled as module it will be called nvmem_u-boot-env. 329 |
| 330config NVMEM_UNIPHIER_EFUSE 331 tristate "UniPhier SoCs eFuse support" 332 depends on ARCH_UNIPHIER || COMPILE_TEST 333 depends on HAS_IOMEM 334 help 335 This is a simple driver to dump specified values of UniPhier SoC 336 from eFuse. 337 338 This driver can also be built as a module. If so, the module 339 will be called nvmem-uniphier-efuse. 340 341config NVMEM_VF610_OCOTP 342 tristate "VF610 SoC OCOTP support" 343 depends on SOC_VF610 || COMPILE_TEST 344 depends on HAS_IOMEM 345 help 346 This is a driver for the 'OCOTP' peripheral available on Vybrid 347 devices like VF5xx and VF6xx. 348 349 This driver can also be build as a module. If so, the module will 350 be called nvmem-vf610-ocotp. 351 352config NVMEM_ZYNQMP 353 bool "Xilinx ZYNQMP SoC nvmem firmware support" 354 depends on ARCH_ZYNQMP 355 help 356 This is a driver to access hardware related data like 357 soc revision, IDCODE... etc by using the firmware 358 interface. 359 360 If sure, say yes. If unsure, say no. 361 |
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| 360endif | 362endif |