1menuconfig NVMEM 2 bool "NVMEM Support" 3 help 4 Support for NVMEM(Non Volatile Memory) devices like EEPROM, EFUSES... 5 6 This framework is designed to provide a generic interface to NVMEM 7 from both the Linux Kernel and the userspace. 8 9 This driver can also be built as a module. If so, the module 10 will be called nvmem_core. 11 12 If unsure, say no. 13 14if NVMEM 15 16config NVMEM_SYSFS 17 bool "/sys/bus/nvmem/devices/*/nvmem (sysfs interface)" 18 depends on SYSFS 19 default y 20 help 21 Say Y here to add a sysfs interface for NVMEM. 22 23 This interface is mostly used by userspace applications to 24 read/write directly into nvmem. 25 26config NVMEM_IMX_IIM 27 tristate "i.MX IC Identification Module support" 28 depends on ARCH_MXC || COMPILE_TEST 29 help 30 This is a driver for the IC Identification Module (IIM) available on 31 i.MX SoCs, providing access to 4 Kbits of programmable 32 eFuses. 33 34 This driver can also be built as a module. If so, the module 35 will be called nvmem-imx-iim. 36 37config NVMEM_IMX_OCOTP 38 tristate "i.MX 6/7/8 On-Chip OTP Controller support" 39 depends on ARCH_MXC || COMPILE_TEST 40 depends on HAS_IOMEM 41 help 42 This is a driver for the On-Chip OTP Controller (OCOTP) available on 43 i.MX6 SoCs, providing access to 4 Kbits of one-time programmable 44 eFuses. 45 46 This driver can also be built as a module. If so, the module 47 will be called nvmem-imx-ocotp. 48 49config NVMEM_LPC18XX_EEPROM 50 tristate "NXP LPC18XX EEPROM Memory Support" 51 depends on ARCH_LPC18XX || COMPILE_TEST 52 depends on HAS_IOMEM 53 help 54 Say Y here to include support for NXP LPC18xx EEPROM memory found in 55 NXP LPC185x/3x and LPC435x/3x/2x/1x devices. 56 To compile this driver as a module, choose M here: the module 57 will be called nvmem_lpc18xx_eeprom. 58 59config NVMEM_LPC18XX_OTP 60 tristate "NXP LPC18XX OTP Memory Support" 61 depends on ARCH_LPC18XX || COMPILE_TEST 62 depends on HAS_IOMEM 63 help 64 Say Y here to include support for NXP LPC18xx OTP memory found on 65 all LPC18xx and LPC43xx devices. 66 To compile this driver as a module, choose M here: the module 67 will be called nvmem_lpc18xx_otp. 68 69config NVMEM_MXS_OCOTP 70 tristate "Freescale MXS On-Chip OTP Memory Support" 71 depends on ARCH_MXS || COMPILE_TEST 72 depends on HAS_IOMEM 73 help 74 If you say Y here, you will get readonly access to the 75 One Time Programmable memory pages that are stored 76 on the Freescale i.MX23/i.MX28 processor. 77 78 This driver can also be built as a module. If so, the module 79 will be called nvmem-mxs-ocotp. 80 81config MTK_EFUSE 82 tristate "Mediatek SoCs EFUSE support" 83 depends on ARCH_MEDIATEK || COMPILE_TEST 84 depends on HAS_IOMEM 85 help 86 This is a driver to access hardware related data like sensor 87 calibration, HDMI impedance etc. 88 89 This driver can also be built as a module. If so, the module 90 will be called efuse-mtk. 91 92config QCOM_QFPROM 93 tristate "QCOM QFPROM Support" 94 depends on ARCH_QCOM || COMPILE_TEST 95 depends on HAS_IOMEM 96 help 97 Say y here to enable QFPROM support. The QFPROM provides access 98 functions for QFPROM data to rest of the drivers via nvmem interface. 99 100 This driver can also be built as a module. If so, the module 101 will be called nvmem_qfprom. 102 103config ROCKCHIP_EFUSE 104 tristate "Rockchip eFuse Support" 105 depends on ARCH_ROCKCHIP || COMPILE_TEST 106 depends on HAS_IOMEM 107 help 108 This is a simple drive to dump specified values of Rockchip SoC 109 from eFuse, such as cpu-leakage. 110 111 This driver can also be built as a module. If so, the module 112 will be called nvmem_rockchip_efuse. 113 114config NVMEM_BCM_OCOTP 115 tristate "Broadcom On-Chip OTP Controller support" 116 depends on ARCH_BCM_IPROC || COMPILE_TEST 117 depends on HAS_IOMEM 118 default ARCH_BCM_IPROC 119 help 120 Say y here to enable read/write access to the Broadcom OTP 121 controller. 122 123 This driver can also be built as a module. If so, the module 124 will be called nvmem-bcm-ocotp. 125 126config NVMEM_STM32_ROMEM 127 tristate "STMicroelectronics STM32 factory-programmed memory support" 128 depends on ARCH_STM32 || COMPILE_TEST 129 help 130 Say y here to enable read-only access for STMicroelectronics STM32 131 factory-programmed memory area. 132 133 This driver can also be built as a module. If so, the module 134 will be called nvmem-stm32-romem. 135 136config NVMEM_SUNXI_SID 137 tristate "Allwinner SoCs SID support" 138 depends on ARCH_SUNXI 139 help 140 This is a driver for the 'security ID' available on various Allwinner 141 devices. 142 143 This driver can also be built as a module. If so, the module 144 will be called nvmem_sunxi_sid. 145 146config UNIPHIER_EFUSE 147 tristate "UniPhier SoCs eFuse support" 148 depends on ARCH_UNIPHIER || COMPILE_TEST 149 depends on HAS_IOMEM 150 help 151 This is a simple driver to dump specified values of UniPhier SoC 152 from eFuse. 153 154 This driver can also be built as a module. If so, the module 155 will be called nvmem-uniphier-efuse. 156 157config NVMEM_VF610_OCOTP 158 tristate "VF610 SoC OCOTP support" 159 depends on SOC_VF610 || COMPILE_TEST 160 depends on HAS_IOMEM 161 help 162 This is a driver for the 'OCOTP' peripheral available on Vybrid 163 devices like VF5xx and VF6xx. 164 165 This driver can also be build as a module. If so, the module will 166 be called nvmem-vf610-ocotp. 167 168config MESON_EFUSE 169 tristate "Amlogic Meson GX eFuse Support" 170 depends on (ARCH_MESON || COMPILE_TEST) && MESON_SM 171 help 172 This is a driver to retrieve specific values from the eFuse found on 173 the Amlogic Meson GX SoCs. 174 175 This driver can also be built as a module. If so, the module 176 will be called nvmem_meson_efuse. 177 178config MESON_MX_EFUSE 179 tristate "Amlogic Meson6/Meson8/Meson8b eFuse Support" 180 depends on ARCH_MESON || COMPILE_TEST 181 help 182 This is a driver to retrieve specific values from the eFuse found on 183 the Amlogic Meson6, Meson8 and Meson8b SoCs. 184 185 This driver can also be built as a module. If so, the module 186 will be called nvmem_meson_mx_efuse. 187 188config NVMEM_SNVS_LPGPR 189 tristate "Support for Low Power General Purpose Register" 190 depends on SOC_IMX6 || SOC_IMX7D || COMPILE_TEST 191 help 192 This is a driver for Low Power General Purpose Register (LPGPR) available on 193 i.MX6 and i.MX7 SoCs in Secure Non-Volatile Storage (SNVS) of this chip. 194 195 This driver can also be built as a module. If so, the module 196 will be called nvmem-snvs-lpgpr. 197 198config RAVE_SP_EEPROM 199 tristate "Rave SP EEPROM Support" 200 depends on RAVE_SP_CORE 201 help 202 Say y here to enable Rave SP EEPROM support. 203 204config SC27XX_EFUSE 205 tristate "Spreadtrum SC27XX eFuse Support" 206 depends on MFD_SC27XX_PMIC || COMPILE_TEST 207 depends on HAS_IOMEM 208 help 209 This is a simple driver to dump specified values of Spreadtrum 210 SC27XX PMICs from eFuse. 211 212 This driver can also be built as a module. If so, the module 213 will be called nvmem-sc27xx-efuse. 214 215config NVMEM_ZYNQMP 216 bool "Xilinx ZYNQMP SoC nvmem firmware support" 217 depends on ARCH_ZYNQMP 218 help 219 This is a driver to access hardware related data like 220 soc revision, IDCODE... etc by using the firmware 221 interface. 222 223 If sure, say yes. If unsure, say no. 224 225endif 226