1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0-only 2*4882a593Smuzhiyunmenuconfig NVMEM 3*4882a593Smuzhiyun bool "NVMEM Support" 4*4882a593Smuzhiyun help 5*4882a593Smuzhiyun Support for NVMEM(Non Volatile Memory) devices like EEPROM, EFUSES... 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun This framework is designed to provide a generic interface to NVMEM 8*4882a593Smuzhiyun from both the Linux Kernel and the userspace. 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun If unsure, say no. 11*4882a593Smuzhiyun 12*4882a593Smuzhiyunif NVMEM 13*4882a593Smuzhiyun 14*4882a593Smuzhiyunconfig NVMEM_SYSFS 15*4882a593Smuzhiyun bool "/sys/bus/nvmem/devices/*/nvmem (sysfs interface)" 16*4882a593Smuzhiyun depends on SYSFS 17*4882a593Smuzhiyun default y 18*4882a593Smuzhiyun help 19*4882a593Smuzhiyun Say Y here to add a sysfs interface for NVMEM. 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun This interface is mostly used by userspace applications to 22*4882a593Smuzhiyun read/write directly into nvmem. 23*4882a593Smuzhiyun 24*4882a593Smuzhiyunconfig NVMEM_IMX_IIM 25*4882a593Smuzhiyun tristate "i.MX IC Identification Module support" 26*4882a593Smuzhiyun depends on ARCH_MXC || COMPILE_TEST 27*4882a593Smuzhiyun help 28*4882a593Smuzhiyun This is a driver for the IC Identification Module (IIM) available on 29*4882a593Smuzhiyun i.MX SoCs, providing access to 4 Kbits of programmable 30*4882a593Smuzhiyun eFuses. 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun This driver can also be built as a module. If so, the module 33*4882a593Smuzhiyun will be called nvmem-imx-iim. 34*4882a593Smuzhiyun 35*4882a593Smuzhiyunconfig NVMEM_IMX_OCOTP 36*4882a593Smuzhiyun tristate "i.MX 6/7/8 On-Chip OTP Controller support" 37*4882a593Smuzhiyun depends on ARCH_MXC || COMPILE_TEST 38*4882a593Smuzhiyun depends on HAS_IOMEM 39*4882a593Smuzhiyun help 40*4882a593Smuzhiyun This is a driver for the On-Chip OTP Controller (OCOTP) available on 41*4882a593Smuzhiyun i.MX6 SoCs, providing access to 4 Kbits of one-time programmable 42*4882a593Smuzhiyun eFuses. 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun This driver can also be built as a module. If so, the module 45*4882a593Smuzhiyun will be called nvmem-imx-ocotp. 46*4882a593Smuzhiyun 47*4882a593Smuzhiyunconfig NVMEM_IMX_OCOTP_SCU 48*4882a593Smuzhiyun tristate "i.MX8 SCU On-Chip OTP Controller support" 49*4882a593Smuzhiyun depends on IMX_SCU 50*4882a593Smuzhiyun depends on HAVE_ARM_SMCCC 51*4882a593Smuzhiyun help 52*4882a593Smuzhiyun This is a driver for the SCU On-Chip OTP Controller (OCOTP) 53*4882a593Smuzhiyun available on i.MX8 SoCs. 54*4882a593Smuzhiyun 55*4882a593Smuzhiyunconfig JZ4780_EFUSE 56*4882a593Smuzhiyun tristate "JZ4780 EFUSE Memory Support" 57*4882a593Smuzhiyun depends on MACH_INGENIC || COMPILE_TEST 58*4882a593Smuzhiyun depends on HAS_IOMEM 59*4882a593Smuzhiyun depends on OF 60*4882a593Smuzhiyun select REGMAP_MMIO 61*4882a593Smuzhiyun help 62*4882a593Smuzhiyun Say Y here to include support for JZ4780 efuse memory found on 63*4882a593Smuzhiyun all JZ4780 SoC based devices. 64*4882a593Smuzhiyun To compile this driver as a module, choose M here: the module 65*4882a593Smuzhiyun will be called nvmem_jz4780_efuse. 66*4882a593Smuzhiyun 67*4882a593Smuzhiyunconfig NVMEM_LPC18XX_EEPROM 68*4882a593Smuzhiyun tristate "NXP LPC18XX EEPROM Memory Support" 69*4882a593Smuzhiyun depends on ARCH_LPC18XX || COMPILE_TEST 70*4882a593Smuzhiyun depends on HAS_IOMEM 71*4882a593Smuzhiyun help 72*4882a593Smuzhiyun Say Y here to include support for NXP LPC18xx EEPROM memory found in 73*4882a593Smuzhiyun NXP LPC185x/3x and LPC435x/3x/2x/1x devices. 74*4882a593Smuzhiyun To compile this driver as a module, choose M here: the module 75*4882a593Smuzhiyun will be called nvmem_lpc18xx_eeprom. 76*4882a593Smuzhiyun 77*4882a593Smuzhiyunconfig NVMEM_LPC18XX_OTP 78*4882a593Smuzhiyun tristate "NXP LPC18XX OTP Memory Support" 79*4882a593Smuzhiyun depends on ARCH_LPC18XX || COMPILE_TEST 80*4882a593Smuzhiyun depends on HAS_IOMEM 81*4882a593Smuzhiyun help 82*4882a593Smuzhiyun Say Y here to include support for NXP LPC18xx OTP memory found on 83*4882a593Smuzhiyun all LPC18xx and LPC43xx devices. 84*4882a593Smuzhiyun To compile this driver as a module, choose M here: the module 85*4882a593Smuzhiyun will be called nvmem_lpc18xx_otp. 86*4882a593Smuzhiyun 87*4882a593Smuzhiyunconfig NVMEM_MXS_OCOTP 88*4882a593Smuzhiyun tristate "Freescale MXS On-Chip OTP Memory Support" 89*4882a593Smuzhiyun depends on ARCH_MXS || COMPILE_TEST 90*4882a593Smuzhiyun depends on HAS_IOMEM 91*4882a593Smuzhiyun help 92*4882a593Smuzhiyun If you say Y here, you will get readonly access to the 93*4882a593Smuzhiyun One Time Programmable memory pages that are stored 94*4882a593Smuzhiyun on the Freescale i.MX23/i.MX28 processor. 95*4882a593Smuzhiyun 96*4882a593Smuzhiyun This driver can also be built as a module. If so, the module 97*4882a593Smuzhiyun will be called nvmem-mxs-ocotp. 98*4882a593Smuzhiyun 99*4882a593Smuzhiyunconfig MTK_EFUSE 100*4882a593Smuzhiyun tristate "Mediatek SoCs EFUSE support" 101*4882a593Smuzhiyun depends on ARCH_MEDIATEK || COMPILE_TEST 102*4882a593Smuzhiyun depends on HAS_IOMEM 103*4882a593Smuzhiyun help 104*4882a593Smuzhiyun This is a driver to access hardware related data like sensor 105*4882a593Smuzhiyun calibration, HDMI impedance etc. 106*4882a593Smuzhiyun 107*4882a593Smuzhiyun This driver can also be built as a module. If so, the module 108*4882a593Smuzhiyun will be called efuse-mtk. 109*4882a593Smuzhiyun 110*4882a593Smuzhiyunconfig QCOM_QFPROM 111*4882a593Smuzhiyun tristate "QCOM QFPROM Support" 112*4882a593Smuzhiyun depends on ARCH_QCOM || COMPILE_TEST 113*4882a593Smuzhiyun depends on HAS_IOMEM 114*4882a593Smuzhiyun help 115*4882a593Smuzhiyun Say y here to enable QFPROM support. The QFPROM provides access 116*4882a593Smuzhiyun functions for QFPROM data to rest of the drivers via nvmem interface. 117*4882a593Smuzhiyun 118*4882a593Smuzhiyun This driver can also be built as a module. If so, the module 119*4882a593Smuzhiyun will be called nvmem_qfprom. 120*4882a593Smuzhiyun 121*4882a593Smuzhiyunconfig NVMEM_SPMI_SDAM 122*4882a593Smuzhiyun tristate "SPMI SDAM Support" 123*4882a593Smuzhiyun depends on SPMI 124*4882a593Smuzhiyun help 125*4882a593Smuzhiyun This driver supports the Shared Direct Access Memory Module on 126*4882a593Smuzhiyun Qualcomm Technologies, Inc. PMICs. It provides the clients 127*4882a593Smuzhiyun an interface to read/write to the SDAM module's shared memory. 128*4882a593Smuzhiyun 129*4882a593Smuzhiyunconfig RK628_EFUSE 130*4882a593Smuzhiyun tristate "RK628 eFuse Support" 131*4882a593Smuzhiyun depends on ARCH_ROCKCHIP || COMPILE_TEST 132*4882a593Smuzhiyun depends on HAS_IOMEM 133*4882a593Smuzhiyun depends on MFD_RK628 134*4882a593Smuzhiyun help 135*4882a593Smuzhiyun This is a simple drive to dump specified values of Rk628 SoC 136*4882a593Smuzhiyun from eFuse, such as cpu-leakage. 137*4882a593Smuzhiyun 138*4882a593Smuzhiyun This driver can also be built as a module. If so, the module 139*4882a593Smuzhiyun will be called nvmem_rk628_efuse. 140*4882a593Smuzhiyun 141*4882a593Smuzhiyunconfig ROCKCHIP_EFUSE 142*4882a593Smuzhiyun tristate "Rockchip eFuse Support" 143*4882a593Smuzhiyun depends on ARCH_ROCKCHIP || COMPILE_TEST 144*4882a593Smuzhiyun depends on HAS_IOMEM 145*4882a593Smuzhiyun help 146*4882a593Smuzhiyun This is a simple drive to dump specified values of Rockchip SoC 147*4882a593Smuzhiyun from eFuse, such as cpu-leakage. 148*4882a593Smuzhiyun 149*4882a593Smuzhiyun This driver can also be built as a module. If so, the module 150*4882a593Smuzhiyun will be called nvmem_rockchip_efuse. 151*4882a593Smuzhiyun 152*4882a593Smuzhiyunconfig ROCKCHIP_OTP 153*4882a593Smuzhiyun tristate "Rockchip OTP controller support" 154*4882a593Smuzhiyun depends on ARCH_ROCKCHIP || COMPILE_TEST 155*4882a593Smuzhiyun depends on HAS_IOMEM 156*4882a593Smuzhiyun help 157*4882a593Smuzhiyun This is a simple drive to dump specified values of Rockchip SoC 158*4882a593Smuzhiyun from otp, such as cpu-leakage. 159*4882a593Smuzhiyun 160*4882a593Smuzhiyun This driver can also be built as a module. If so, the module 161*4882a593Smuzhiyun will be called nvmem_rockchip_otp. 162*4882a593Smuzhiyun 163*4882a593Smuzhiyunconfig NVMEM_ROCKCHIP_SEC_OTP 164*4882a593Smuzhiyun tristate "Rockchip Secure OTP controller support" 165*4882a593Smuzhiyun depends on ARCH_ROCKCHIP || COMPILE_TEST 166*4882a593Smuzhiyun depends on TEE && OPTEE 167*4882a593Smuzhiyun help 168*4882a593Smuzhiyun This is a simple drive to read and write non-protected 169*4882a593Smuzhiyun oem zone in secure otp. 170*4882a593Smuzhiyun 171*4882a593Smuzhiyun This driver can also be built as a module. If so, the module 172*4882a593Smuzhiyun will be called nvmem-rockchip-secure-otp. 173*4882a593Smuzhiyun 174*4882a593Smuzhiyunconfig NVMEM_BCM_OCOTP 175*4882a593Smuzhiyun tristate "Broadcom On-Chip OTP Controller support" 176*4882a593Smuzhiyun depends on ARCH_BCM_IPROC || COMPILE_TEST 177*4882a593Smuzhiyun depends on HAS_IOMEM 178*4882a593Smuzhiyun default ARCH_BCM_IPROC 179*4882a593Smuzhiyun help 180*4882a593Smuzhiyun Say y here to enable read/write access to the Broadcom OTP 181*4882a593Smuzhiyun controller. 182*4882a593Smuzhiyun 183*4882a593Smuzhiyun This driver can also be built as a module. If so, the module 184*4882a593Smuzhiyun will be called nvmem-bcm-ocotp. 185*4882a593Smuzhiyun 186*4882a593Smuzhiyunconfig NVMEM_STM32_ROMEM 187*4882a593Smuzhiyun tristate "STMicroelectronics STM32 factory-programmed memory support" 188*4882a593Smuzhiyun depends on ARCH_STM32 || COMPILE_TEST 189*4882a593Smuzhiyun help 190*4882a593Smuzhiyun Say y here to enable read-only access for STMicroelectronics STM32 191*4882a593Smuzhiyun factory-programmed memory area. 192*4882a593Smuzhiyun 193*4882a593Smuzhiyun This driver can also be built as a module. If so, the module 194*4882a593Smuzhiyun will be called nvmem-stm32-romem. 195*4882a593Smuzhiyun 196*4882a593Smuzhiyunconfig NVMEM_SUNXI_SID 197*4882a593Smuzhiyun tristate "Allwinner SoCs SID support" 198*4882a593Smuzhiyun depends on ARCH_SUNXI 199*4882a593Smuzhiyun help 200*4882a593Smuzhiyun This is a driver for the 'security ID' available on various Allwinner 201*4882a593Smuzhiyun devices. 202*4882a593Smuzhiyun 203*4882a593Smuzhiyun This driver can also be built as a module. If so, the module 204*4882a593Smuzhiyun will be called nvmem_sunxi_sid. 205*4882a593Smuzhiyun 206*4882a593Smuzhiyunconfig UNIPHIER_EFUSE 207*4882a593Smuzhiyun tristate "UniPhier SoCs eFuse support" 208*4882a593Smuzhiyun depends on ARCH_UNIPHIER || COMPILE_TEST 209*4882a593Smuzhiyun depends on HAS_IOMEM 210*4882a593Smuzhiyun help 211*4882a593Smuzhiyun This is a simple driver to dump specified values of UniPhier SoC 212*4882a593Smuzhiyun from eFuse. 213*4882a593Smuzhiyun 214*4882a593Smuzhiyun This driver can also be built as a module. If so, the module 215*4882a593Smuzhiyun will be called nvmem-uniphier-efuse. 216*4882a593Smuzhiyun 217*4882a593Smuzhiyunconfig NVMEM_VF610_OCOTP 218*4882a593Smuzhiyun tristate "VF610 SoC OCOTP support" 219*4882a593Smuzhiyun depends on SOC_VF610 || COMPILE_TEST 220*4882a593Smuzhiyun depends on HAS_IOMEM 221*4882a593Smuzhiyun help 222*4882a593Smuzhiyun This is a driver for the 'OCOTP' peripheral available on Vybrid 223*4882a593Smuzhiyun devices like VF5xx and VF6xx. 224*4882a593Smuzhiyun 225*4882a593Smuzhiyun This driver can also be build as a module. If so, the module will 226*4882a593Smuzhiyun be called nvmem-vf610-ocotp. 227*4882a593Smuzhiyun 228*4882a593Smuzhiyunconfig MESON_EFUSE 229*4882a593Smuzhiyun tristate "Amlogic Meson GX eFuse Support" 230*4882a593Smuzhiyun depends on (ARCH_MESON || COMPILE_TEST) && MESON_SM 231*4882a593Smuzhiyun help 232*4882a593Smuzhiyun This is a driver to retrieve specific values from the eFuse found on 233*4882a593Smuzhiyun the Amlogic Meson GX SoCs. 234*4882a593Smuzhiyun 235*4882a593Smuzhiyun This driver can also be built as a module. If so, the module 236*4882a593Smuzhiyun will be called nvmem_meson_efuse. 237*4882a593Smuzhiyun 238*4882a593Smuzhiyunconfig MESON_MX_EFUSE 239*4882a593Smuzhiyun tristate "Amlogic Meson6/Meson8/Meson8b eFuse Support" 240*4882a593Smuzhiyun depends on ARCH_MESON || COMPILE_TEST 241*4882a593Smuzhiyun help 242*4882a593Smuzhiyun This is a driver to retrieve specific values from the eFuse found on 243*4882a593Smuzhiyun the Amlogic Meson6, Meson8 and Meson8b SoCs. 244*4882a593Smuzhiyun 245*4882a593Smuzhiyun This driver can also be built as a module. If so, the module 246*4882a593Smuzhiyun will be called nvmem_meson_mx_efuse. 247*4882a593Smuzhiyun 248*4882a593Smuzhiyunconfig NVMEM_SNVS_LPGPR 249*4882a593Smuzhiyun tristate "Support for Low Power General Purpose Register" 250*4882a593Smuzhiyun depends on ARCH_MXC || COMPILE_TEST 251*4882a593Smuzhiyun help 252*4882a593Smuzhiyun This is a driver for Low Power General Purpose Register (LPGPR) available on 253*4882a593Smuzhiyun i.MX6 and i.MX7 SoCs in Secure Non-Volatile Storage (SNVS) of this chip. 254*4882a593Smuzhiyun 255*4882a593Smuzhiyun This driver can also be built as a module. If so, the module 256*4882a593Smuzhiyun will be called nvmem-snvs-lpgpr. 257*4882a593Smuzhiyun 258*4882a593Smuzhiyunconfig RAVE_SP_EEPROM 259*4882a593Smuzhiyun tristate "Rave SP EEPROM Support" 260*4882a593Smuzhiyun depends on RAVE_SP_CORE 261*4882a593Smuzhiyun help 262*4882a593Smuzhiyun Say y here to enable Rave SP EEPROM support. 263*4882a593Smuzhiyun 264*4882a593Smuzhiyunconfig SC27XX_EFUSE 265*4882a593Smuzhiyun tristate "Spreadtrum SC27XX eFuse Support" 266*4882a593Smuzhiyun depends on MFD_SC27XX_PMIC || COMPILE_TEST 267*4882a593Smuzhiyun depends on HAS_IOMEM 268*4882a593Smuzhiyun help 269*4882a593Smuzhiyun This is a simple driver to dump specified values of Spreadtrum 270*4882a593Smuzhiyun SC27XX PMICs from eFuse. 271*4882a593Smuzhiyun 272*4882a593Smuzhiyun This driver can also be built as a module. If so, the module 273*4882a593Smuzhiyun will be called nvmem-sc27xx-efuse. 274*4882a593Smuzhiyun 275*4882a593Smuzhiyunconfig NVMEM_ZYNQMP 276*4882a593Smuzhiyun bool "Xilinx ZYNQMP SoC nvmem firmware support" 277*4882a593Smuzhiyun depends on ARCH_ZYNQMP 278*4882a593Smuzhiyun help 279*4882a593Smuzhiyun This is a driver to access hardware related data like 280*4882a593Smuzhiyun soc revision, IDCODE... etc by using the firmware 281*4882a593Smuzhiyun interface. 282*4882a593Smuzhiyun 283*4882a593Smuzhiyun If sure, say yes. If unsure, say no. 284*4882a593Smuzhiyun 285*4882a593Smuzhiyunconfig SPRD_EFUSE 286*4882a593Smuzhiyun tristate "Spreadtrum SoC eFuse Support" 287*4882a593Smuzhiyun depends on ARCH_SPRD || COMPILE_TEST 288*4882a593Smuzhiyun depends on HAS_IOMEM 289*4882a593Smuzhiyun help 290*4882a593Smuzhiyun This is a simple driver to dump specified values of Spreadtrum 291*4882a593Smuzhiyun SoCs from eFuse. 292*4882a593Smuzhiyun 293*4882a593Smuzhiyun This driver can also be built as a module. If so, the module 294*4882a593Smuzhiyun will be called nvmem-sprd-efuse. 295*4882a593Smuzhiyun 296*4882a593Smuzhiyunendif 297