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_IMX_OCOTP_SCU
51 tristate "i.MX8 SCU On-Chip OTP Controller support"
54 This is a driver for the SCU On-Chip OTP Controller (OCOTP)
55 available on i.MX8 SoCs.
57 config NVMEM_LPC18XX_EEPROM
58 tristate "NXP LPC18XX EEPROM Memory Support"
59 depends on ARCH_LPC18XX || COMPILE_TEST
62 Say Y here to include support for NXP LPC18xx EEPROM memory found in
63 NXP LPC185x/3x and LPC435x/3x/2x/1x devices.
64 To compile this driver as a module, choose M here: the module
65 will be called nvmem_lpc18xx_eeprom.
67 config NVMEM_LPC18XX_OTP
68 tristate "NXP LPC18XX OTP Memory Support"
69 depends on ARCH_LPC18XX || COMPILE_TEST
72 Say Y here to include support for NXP LPC18xx OTP memory found on
73 all LPC18xx and LPC43xx devices.
74 To compile this driver as a module, choose M here: the module
75 will be called nvmem_lpc18xx_otp.
77 config NVMEM_MXS_OCOTP
78 tristate "Freescale MXS On-Chip OTP Memory Support"
79 depends on ARCH_MXS || COMPILE_TEST
82 If you say Y here, you will get readonly access to the
83 One Time Programmable memory pages that are stored
84 on the Freescale i.MX23/i.MX28 processor.
86 This driver can also be built as a module. If so, the module
87 will be called nvmem-mxs-ocotp.
90 tristate "Mediatek SoCs EFUSE support"
91 depends on ARCH_MEDIATEK || COMPILE_TEST
94 This is a driver to access hardware related data like sensor
95 calibration, HDMI impedance etc.
97 This driver can also be built as a module. If so, the module
98 will be called efuse-mtk.
101 tristate "QCOM QFPROM Support"
102 depends on ARCH_QCOM || COMPILE_TEST
105 Say y here to enable QFPROM support. The QFPROM provides access
106 functions for QFPROM data to rest of the drivers via nvmem interface.
108 This driver can also be built as a module. If so, the module
109 will be called nvmem_qfprom.
111 config ROCKCHIP_EFUSE
112 tristate "Rockchip eFuse Support"
113 depends on ARCH_ROCKCHIP || COMPILE_TEST
116 This is a simple drive to dump specified values of Rockchip SoC
117 from eFuse, such as cpu-leakage.
119 This driver can also be built as a module. If so, the module
120 will be called nvmem_rockchip_efuse.
122 config NVMEM_BCM_OCOTP
123 tristate "Broadcom On-Chip OTP Controller support"
124 depends on ARCH_BCM_IPROC || COMPILE_TEST
126 default ARCH_BCM_IPROC
128 Say y here to enable read/write access to the Broadcom OTP
131 This driver can also be built as a module. If so, the module
132 will be called nvmem-bcm-ocotp.
134 config NVMEM_STM32_ROMEM
135 tristate "STMicroelectronics STM32 factory-programmed memory support"
136 depends on ARCH_STM32 || COMPILE_TEST
138 Say y here to enable read-only access for STMicroelectronics STM32
139 factory-programmed memory area.
141 This driver can also be built as a module. If so, the module
142 will be called nvmem-stm32-romem.
144 config NVMEM_SUNXI_SID
145 tristate "Allwinner SoCs SID support"
146 depends on ARCH_SUNXI
148 This is a driver for the 'security ID' available on various Allwinner
151 This driver can also be built as a module. If so, the module
152 will be called nvmem_sunxi_sid.
154 config UNIPHIER_EFUSE
155 tristate "UniPhier SoCs eFuse support"
156 depends on ARCH_UNIPHIER || COMPILE_TEST
159 This is a simple driver to dump specified values of UniPhier SoC
162 This driver can also be built as a module. If so, the module
163 will be called nvmem-uniphier-efuse.
165 config NVMEM_VF610_OCOTP
166 tristate "VF610 SoC OCOTP support"
167 depends on SOC_VF610 || COMPILE_TEST
170 This is a driver for the 'OCOTP' peripheral available on Vybrid
171 devices like VF5xx and VF6xx.
173 This driver can also be build as a module. If so, the module will
174 be called nvmem-vf610-ocotp.
177 tristate "Amlogic Meson GX eFuse Support"
178 depends on (ARCH_MESON || COMPILE_TEST) && MESON_SM
180 This is a driver to retrieve specific values from the eFuse found on
181 the Amlogic Meson GX SoCs.
183 This driver can also be built as a module. If so, the module
184 will be called nvmem_meson_efuse.
186 config MESON_MX_EFUSE
187 tristate "Amlogic Meson6/Meson8/Meson8b eFuse Support"
188 depends on ARCH_MESON || COMPILE_TEST
190 This is a driver to retrieve specific values from the eFuse found on
191 the Amlogic Meson6, Meson8 and Meson8b SoCs.
193 This driver can also be built as a module. If so, the module
194 will be called nvmem_meson_mx_efuse.
196 config NVMEM_SNVS_LPGPR
197 tristate "Support for Low Power General Purpose Register"
198 depends on ARCH_MXC || COMPILE_TEST
200 This is a driver for Low Power General Purpose Register (LPGPR) available on
201 i.MX6 and i.MX7 SoCs in Secure Non-Volatile Storage (SNVS) of this chip.
203 This driver can also be built as a module. If so, the module
204 will be called nvmem-snvs-lpgpr.
206 config RAVE_SP_EEPROM
207 tristate "Rave SP EEPROM Support"
208 depends on RAVE_SP_CORE
210 Say y here to enable Rave SP EEPROM support.
213 tristate "Spreadtrum SC27XX eFuse Support"
214 depends on MFD_SC27XX_PMIC || COMPILE_TEST
217 This is a simple driver to dump specified values of Spreadtrum
218 SC27XX PMICs from eFuse.
220 This driver can also be built as a module. If so, the module
221 will be called nvmem-sc27xx-efuse.
224 bool "Xilinx ZYNQMP SoC nvmem firmware support"
225 depends on ARCH_ZYNQMP
227 This is a driver to access hardware related data like
228 soc revision, IDCODE... etc by using the firmware
231 If sure, say yes. If unsure, say no.