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.
15 bool "/sys/bus/nvmem/devices/*/nvmem (sysfs interface)"
19 Say Y here to add a sysfs interface for NVMEM.
21 This interface is mostly used by userspace applications to
22 read/write directly into nvmem.
25 tristate "i.MX IC Identification Module support"
26 depends on ARCH_MXC || COMPILE_TEST
28 This is a driver for the IC Identification Module (IIM) available on
29 i.MX SoCs, providing access to 4 Kbits of programmable
32 This driver can also be built as a module. If so, the module
33 will be called nvmem-imx-iim.
35 config NVMEM_IMX_OCOTP
36 tristate "i.MX 6/7/8 On-Chip OTP Controller support"
37 depends on ARCH_MXC || COMPILE_TEST
40 This is a driver for the On-Chip OTP Controller (OCOTP) available on
41 i.MX6 SoCs, providing access to 4 Kbits of one-time programmable
44 This driver can also be built as a module. If so, the module
45 will be called nvmem-imx-ocotp.
47 config NVMEM_IMX_OCOTP_SCU
48 tristate "i.MX8 SCU On-Chip OTP Controller support"
50 depends on HAVE_ARM_SMCCC
52 This is a driver for the SCU On-Chip OTP Controller (OCOTP)
53 available on i.MX8 SoCs.
56 tristate "JZ4780 EFUSE Memory Support"
57 depends on MACH_INGENIC || COMPILE_TEST
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.
67 config NVMEM_LPC18XX_EEPROM
68 tristate "NXP LPC18XX EEPROM Memory Support"
69 depends on ARCH_LPC18XX || COMPILE_TEST
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
75 will be called nvmem_lpc18xx_eeprom.
77 config NVMEM_LPC18XX_OTP
78 tristate "NXP LPC18XX OTP Memory Support"
79 depends on ARCH_LPC18XX || COMPILE_TEST
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.
87 config NVMEM_MXS_OCOTP
88 tristate "Freescale MXS On-Chip OTP Memory Support"
89 depends on ARCH_MXS || COMPILE_TEST
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.
96 This driver can also be built as a module. If so, the module
97 will be called nvmem-mxs-ocotp.
100 tristate "Mediatek SoCs EFUSE support"
101 depends on ARCH_MEDIATEK || COMPILE_TEST
104 This is a driver to access hardware related data like sensor
105 calibration, HDMI impedance etc.
107 This driver can also be built as a module. If so, the module
108 will be called efuse-mtk.
111 tristate "QCOM QFPROM Support"
112 depends on ARCH_QCOM || COMPILE_TEST
115 Say y here to enable QFPROM support. The QFPROM provides access
116 functions for QFPROM data to rest of the drivers via nvmem interface.
118 This driver can also be built as a module. If so, the module
119 will be called nvmem_qfprom.
121 config NVMEM_SPMI_SDAM
122 tristate "SPMI SDAM Support"
125 This driver supports the Shared Direct Access Memory Module on
126 Qualcomm Technologies, Inc. PMICs. It provides the clients
127 an interface to read/write to the SDAM module's shared memory.
129 config ROCKCHIP_EFUSE
130 tristate "Rockchip eFuse Support"
131 depends on ARCH_ROCKCHIP || COMPILE_TEST
134 This is a simple drive to dump specified values of Rockchip SoC
135 from eFuse, such as cpu-leakage.
137 This driver can also be built as a module. If so, the module
138 will be called nvmem_rockchip_efuse.
141 tristate "Rockchip OTP controller support"
142 depends on ARCH_ROCKCHIP || COMPILE_TEST
145 This is a simple drive to dump specified values of Rockchip SoC
146 from otp, such as cpu-leakage.
148 This driver can also be built as a module. If so, the module
149 will be called nvmem_rockchip_otp.
151 config NVMEM_BCM_OCOTP
152 tristate "Broadcom On-Chip OTP Controller support"
153 depends on ARCH_BCM_IPROC || COMPILE_TEST
155 default ARCH_BCM_IPROC
157 Say y here to enable read/write access to the Broadcom OTP
160 This driver can also be built as a module. If so, the module
161 will be called nvmem-bcm-ocotp.
163 config NVMEM_STM32_ROMEM
164 tristate "STMicroelectronics STM32 factory-programmed memory support"
165 depends on ARCH_STM32 || COMPILE_TEST
167 Say y here to enable read-only access for STMicroelectronics STM32
168 factory-programmed memory area.
170 This driver can also be built as a module. If so, the module
171 will be called nvmem-stm32-romem.
173 config NVMEM_SUNXI_SID
174 tristate "Allwinner SoCs SID support"
175 depends on ARCH_SUNXI
177 This is a driver for the 'security ID' available on various Allwinner
180 This driver can also be built as a module. If so, the module
181 will be called nvmem_sunxi_sid.
183 config UNIPHIER_EFUSE
184 tristate "UniPhier SoCs eFuse support"
185 depends on ARCH_UNIPHIER || COMPILE_TEST
188 This is a simple driver to dump specified values of UniPhier SoC
191 This driver can also be built as a module. If so, the module
192 will be called nvmem-uniphier-efuse.
194 config NVMEM_VF610_OCOTP
195 tristate "VF610 SoC OCOTP support"
196 depends on SOC_VF610 || COMPILE_TEST
199 This is a driver for the 'OCOTP' peripheral available on Vybrid
200 devices like VF5xx and VF6xx.
202 This driver can also be build as a module. If so, the module will
203 be called nvmem-vf610-ocotp.
206 tristate "Amlogic Meson GX eFuse Support"
207 depends on (ARCH_MESON || COMPILE_TEST) && MESON_SM
209 This is a driver to retrieve specific values from the eFuse found on
210 the Amlogic Meson GX SoCs.
212 This driver can also be built as a module. If so, the module
213 will be called nvmem_meson_efuse.
215 config MESON_MX_EFUSE
216 tristate "Amlogic Meson6/Meson8/Meson8b eFuse Support"
217 depends on ARCH_MESON || COMPILE_TEST
219 This is a driver to retrieve specific values from the eFuse found on
220 the Amlogic Meson6, Meson8 and Meson8b SoCs.
222 This driver can also be built as a module. If so, the module
223 will be called nvmem_meson_mx_efuse.
225 config NVMEM_SNVS_LPGPR
226 tristate "Support for Low Power General Purpose Register"
227 depends on ARCH_MXC || COMPILE_TEST
229 This is a driver for Low Power General Purpose Register (LPGPR) available on
230 i.MX6 and i.MX7 SoCs in Secure Non-Volatile Storage (SNVS) of this chip.
232 This driver can also be built as a module. If so, the module
233 will be called nvmem-snvs-lpgpr.
235 config RAVE_SP_EEPROM
236 tristate "Rave SP EEPROM Support"
237 depends on RAVE_SP_CORE
239 Say y here to enable Rave SP EEPROM support.
242 tristate "Spreadtrum SC27XX eFuse Support"
243 depends on MFD_SC27XX_PMIC || COMPILE_TEST
246 This is a simple driver to dump specified values of Spreadtrum
247 SC27XX PMICs from eFuse.
249 This driver can also be built as a module. If so, the module
250 will be called nvmem-sc27xx-efuse.
253 bool "Xilinx ZYNQMP SoC nvmem firmware support"
254 depends on ARCH_ZYNQMP
256 This is a driver to access hardware related data like
257 soc revision, IDCODE... etc by using the firmware
260 If sure, say yes. If unsure, say no.
263 tristate "Spreadtrum SoC eFuse Support"
264 depends on ARCH_SPRD || COMPILE_TEST
267 This is a simple driver to dump specified values of Spreadtrum
270 This driver can also be built as a module. If so, the module
271 will be called nvmem-sprd-efuse.