1 # SPDX-License-Identifier: GPL-2.0-only
5 Support for NVMEM(Non Volatile Memory) devices like EEPROM, EFUSES...
7 This framework is designed to provide a generic interface to NVMEM
8 from both the Linux Kernel and the userspace.
10 This driver can also be built as a module. If so, the module
11 will be called nvmem_core.
18 bool "/sys/bus/nvmem/devices/*/nvmem (sysfs interface)"
22 Say Y here to add a sysfs interface for NVMEM.
24 This interface is mostly used by userspace applications to
25 read/write directly into nvmem.
28 tristate "i.MX IC Identification Module support"
29 depends on ARCH_MXC || COMPILE_TEST
31 This is a driver for the IC Identification Module (IIM) available on
32 i.MX SoCs, providing access to 4 Kbits of programmable
35 This driver can also be built as a module. If so, the module
36 will be called nvmem-imx-iim.
38 config NVMEM_IMX_OCOTP
39 tristate "i.MX 6/7/8 On-Chip OTP Controller support"
40 depends on ARCH_MXC || COMPILE_TEST
43 This is a driver for the On-Chip OTP Controller (OCOTP) available on
44 i.MX6 SoCs, providing access to 4 Kbits of one-time programmable
47 This driver can also be built as a module. If so, the module
48 will be called nvmem-imx-ocotp.
50 config NVMEM_LPC18XX_EEPROM
51 tristate "NXP LPC18XX EEPROM Memory Support"
52 depends on ARCH_LPC18XX || COMPILE_TEST
55 Say Y here to include support for NXP LPC18xx EEPROM memory found in
56 NXP LPC185x/3x and LPC435x/3x/2x/1x devices.
57 To compile this driver as a module, choose M here: the module
58 will be called nvmem_lpc18xx_eeprom.
60 config NVMEM_LPC18XX_OTP
61 tristate "NXP LPC18XX OTP Memory Support"
62 depends on ARCH_LPC18XX || COMPILE_TEST
65 Say Y here to include support for NXP LPC18xx OTP memory found on
66 all LPC18xx and LPC43xx devices.
67 To compile this driver as a module, choose M here: the module
68 will be called nvmem_lpc18xx_otp.
70 config NVMEM_MXS_OCOTP
71 tristate "Freescale MXS On-Chip OTP Memory Support"
72 depends on ARCH_MXS || COMPILE_TEST
75 If you say Y here, you will get readonly access to the
76 One Time Programmable memory pages that are stored
77 on the Freescale i.MX23/i.MX28 processor.
79 This driver can also be built as a module. If so, the module
80 will be called nvmem-mxs-ocotp.
83 tristate "Mediatek SoCs EFUSE support"
84 depends on ARCH_MEDIATEK || COMPILE_TEST
87 This is a driver to access hardware related data like sensor
88 calibration, HDMI impedance etc.
90 This driver can also be built as a module. If so, the module
91 will be called efuse-mtk.
94 tristate "QCOM QFPROM Support"
95 depends on ARCH_QCOM || COMPILE_TEST
98 Say y here to enable QFPROM support. The QFPROM provides access
99 functions for QFPROM data to rest of the drivers via nvmem interface.
101 This driver can also be built as a module. If so, the module
102 will be called nvmem_qfprom.
104 config ROCKCHIP_EFUSE
105 tristate "Rockchip eFuse Support"
106 depends on ARCH_ROCKCHIP || COMPILE_TEST
109 This is a simple drive to dump specified values of Rockchip SoC
110 from eFuse, such as cpu-leakage.
112 This driver can also be built as a module. If so, the module
113 will be called nvmem_rockchip_efuse.
115 config NVMEM_BCM_OCOTP
116 tristate "Broadcom On-Chip OTP Controller support"
117 depends on ARCH_BCM_IPROC || COMPILE_TEST
119 default ARCH_BCM_IPROC
121 Say y here to enable read/write access to the Broadcom OTP
124 This driver can also be built as a module. If so, the module
125 will be called nvmem-bcm-ocotp.
127 config NVMEM_STM32_ROMEM
128 tristate "STMicroelectronics STM32 factory-programmed memory support"
129 depends on ARCH_STM32 || COMPILE_TEST
131 Say y here to enable read-only access for STMicroelectronics STM32
132 factory-programmed memory area.
134 This driver can also be built as a module. If so, the module
135 will be called nvmem-stm32-romem.
137 config NVMEM_SUNXI_SID
138 tristate "Allwinner SoCs SID support"
139 depends on ARCH_SUNXI
141 This is a driver for the 'security ID' available on various Allwinner
144 This driver can also be built as a module. If so, the module
145 will be called nvmem_sunxi_sid.
147 config UNIPHIER_EFUSE
148 tristate "UniPhier SoCs eFuse support"
149 depends on ARCH_UNIPHIER || COMPILE_TEST
152 This is a simple driver to dump specified values of UniPhier SoC
155 This driver can also be built as a module. If so, the module
156 will be called nvmem-uniphier-efuse.
158 config NVMEM_VF610_OCOTP
159 tristate "VF610 SoC OCOTP support"
160 depends on SOC_VF610 || COMPILE_TEST
163 This is a driver for the 'OCOTP' peripheral available on Vybrid
164 devices like VF5xx and VF6xx.
166 This driver can also be build as a module. If so, the module will
167 be called nvmem-vf610-ocotp.
170 tristate "Amlogic Meson GX eFuse Support"
171 depends on (ARCH_MESON || COMPILE_TEST) && MESON_SM
173 This is a driver to retrieve specific values from the eFuse found on
174 the Amlogic Meson GX SoCs.
176 This driver can also be built as a module. If so, the module
177 will be called nvmem_meson_efuse.
179 config MESON_MX_EFUSE
180 tristate "Amlogic Meson6/Meson8/Meson8b eFuse Support"
181 depends on ARCH_MESON || COMPILE_TEST
183 This is a driver to retrieve specific values from the eFuse found on
184 the Amlogic Meson6, Meson8 and Meson8b SoCs.
186 This driver can also be built as a module. If so, the module
187 will be called nvmem_meson_mx_efuse.
189 config NVMEM_SNVS_LPGPR
190 tristate "Support for Low Power General Purpose Register"
191 depends on SOC_IMX6 || SOC_IMX7D || COMPILE_TEST
193 This is a driver for Low Power General Purpose Register (LPGPR) available on
194 i.MX6 and i.MX7 SoCs in Secure Non-Volatile Storage (SNVS) of this chip.
196 This driver can also be built as a module. If so, the module
197 will be called nvmem-snvs-lpgpr.
199 config RAVE_SP_EEPROM
200 tristate "Rave SP EEPROM Support"
201 depends on RAVE_SP_CORE
203 Say y here to enable Rave SP EEPROM support.
206 tristate "Spreadtrum SC27XX eFuse Support"
207 depends on MFD_SC27XX_PMIC || COMPILE_TEST
210 This is a simple driver to dump specified values of Spreadtrum
211 SC27XX PMICs from eFuse.
213 This driver can also be built as a module. If so, the module
214 will be called nvmem-sc27xx-efuse.
217 bool "Xilinx ZYNQMP SoC nvmem firmware support"
218 depends on ARCH_ZYNQMP
220 This is a driver to access hardware related data like
221 soc revision, IDCODE... etc by using the firmware
224 If sure, say yes. If unsure, say no.