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# SPDX-License-Identifier: GPL-2.0-only
menuconfig NVMEM
bool "NVMEM Support"
help
Support for NVMEM(Non Volatile Memory) devices like EEPROM, EFUSES...
This framework is designed to provide a generic interface to NVMEM
from both the Linux Kernel and the userspace.
This driver can also be built as a module. If so, the module
will be called nvmem_core.
If unsure, say no.
if NVMEM
config NVMEM_SYSFS
bool "/sys/bus/nvmem/devices/*/nvmem (sysfs interface)"
depends on SYSFS
default y
help
Say Y here to add a sysfs interface for NVMEM.
This interface is mostly used by userspace applications to
read/write directly into nvmem.
config NVMEM_IMX_IIM
tristate "i.MX IC Identification Module support"
depends on ARCH_MXC || COMPILE_TEST
help
This is a driver for the IC Identification Module (IIM) available on
i.MX SoCs, providing access to 4 Kbits of programmable
eFuses.
This driver can also be built as a module. If so, the module
will be called nvmem-imx-iim.
config NVMEM_IMX_OCOTP
tristate "i.MX 6/7/8 On-Chip OTP Controller support"
depends on ARCH_MXC || COMPILE_TEST
depends on HAS_IOMEM
help
This is a driver for the On-Chip OTP Controller (OCOTP) available on
i.MX6 SoCs, providing access to 4 Kbits of one-time programmable
eFuses.
This driver can also be built as a module. If so, the module
will be called nvmem-imx-ocotp.
config NVMEM_IMX_OCOTP_SCU
tristate "i.MX8 SCU On-Chip OTP Controller support"
depends on IMX_SCU
depends on HAVE_ARM_SMCCC
help
This is a driver for the SCU On-Chip OTP Controller (OCOTP)
available on i.MX8 SoCs.
config NVMEM_LPC18XX_EEPROM
tristate "NXP LPC18XX EEPROM Memory Support"
depends on ARCH_LPC18XX || COMPILE_TEST
depends on HAS_IOMEM
help
Say Y here to include support for NXP LPC18xx EEPROM memory found in
NXP LPC185x/3x and LPC435x/3x/2x/1x devices.
To compile this driver as a module, choose M here: the module
will be called nvmem_lpc18xx_eeprom.
config NVMEM_LPC18XX_OTP
tristate "NXP LPC18XX OTP Memory Support"
depends on ARCH_LPC18XX || COMPILE_TEST
depends on HAS_IOMEM
help
Say Y here to include support for NXP LPC18xx OTP memory found on
all LPC18xx and LPC43xx devices.
To compile this driver as a module, choose M here: the module
will be called nvmem_lpc18xx_otp.
config NVMEM_MXS_OCOTP
tristate "Freescale MXS On-Chip OTP Memory Support"
depends on ARCH_MXS || COMPILE_TEST
depends on HAS_IOMEM
help
If you say Y here, you will get readonly access to the
One Time Programmable memory pages that are stored
on the Freescale i.MX23/i.MX28 processor.
This driver can also be built as a module. If so, the module
will be called nvmem-mxs-ocotp.
config MTK_EFUSE
tristate "Mediatek SoCs EFUSE support"
depends on ARCH_MEDIATEK || COMPILE_TEST
depends on HAS_IOMEM
help
This is a driver to access hardware related data like sensor
calibration, HDMI impedance etc.
This driver can also be built as a module. If so, the module
will be called efuse-mtk.
config QCOM_QFPROM
tristate "QCOM QFPROM Support"
depends on ARCH_QCOM || COMPILE_TEST
depends on HAS_IOMEM
help
Say y here to enable QFPROM support. The QFPROM provides access
functions for QFPROM data to rest of the drivers via nvmem interface.
This driver can also be built as a module. If so, the module
will be called nvmem_qfprom.
config ROCKCHIP_EFUSE
tristate "Rockchip eFuse Support"
depends on ARCH_ROCKCHIP || COMPILE_TEST
depends on HAS_IOMEM
help
This is a simple drive to dump specified values of Rockchip SoC
from eFuse, such as cpu-leakage.
This driver can also be built as a module. If so, the module
will be called nvmem_rockchip_efuse.
config ROCKCHIP_OTP
tristate "Rockchip OTP controller support"
depends on ARCH_ROCKCHIP || COMPILE_TEST
depends on HAS_IOMEM
help
This is a simple drive to dump specified values of Rockchip SoC
from otp, such as cpu-leakage.
This driver can also be built as a module. If so, the module
will be called nvmem_rockchip_otp.
config NVMEM_BCM_OCOTP
tristate "Broadcom On-Chip OTP Controller support"
depends on ARCH_BCM_IPROC || COMPILE_TEST
depends on HAS_IOMEM
default ARCH_BCM_IPROC
help
Say y here to enable read/write access to the Broadcom OTP
controller.
This driver can also be built as a module. If so, the module
will be called nvmem-bcm-ocotp.
config NVMEM_STM32_ROMEM
tristate "STMicroelectronics STM32 factory-programmed memory support"
depends on ARCH_STM32 || COMPILE_TEST
help
Say y here to enable read-only access for STMicroelectronics STM32
factory-programmed memory area.
This driver can also be built as a module. If so, the module
will be called nvmem-stm32-romem.
config NVMEM_SUNXI_SID
tristate "Allwinner SoCs SID support"
depends on ARCH_SUNXI
help
This is a driver for the 'security ID' available on various Allwinner
devices.
This driver can also be built as a module. If so, the module
will be called nvmem_sunxi_sid.
config UNIPHIER_EFUSE
tristate "UniPhier SoCs eFuse support"
depends on ARCH_UNIPHIER || COMPILE_TEST
depends on HAS_IOMEM
help
This is a simple driver to dump specified values of UniPhier SoC
from eFuse.
This driver can also be built as a module. If so, the module
will be called nvmem-uniphier-efuse.
config NVMEM_VF610_OCOTP
tristate "VF610 SoC OCOTP support"
depends on SOC_VF610 || COMPILE_TEST
depends on HAS_IOMEM
help
This is a driver for the 'OCOTP' peripheral available on Vybrid
devices like VF5xx and VF6xx.
This driver can also be build as a module. If so, the module will
be called nvmem-vf610-ocotp.
config MESON_EFUSE
tristate "Amlogic Meson GX eFuse Support"
depends on (ARCH_MESON || COMPILE_TEST) && MESON_SM
help
This is a driver to retrieve specific values from the eFuse found on
the Amlogic Meson GX SoCs.
This driver can also be built as a module. If so, the module
will be called nvmem_meson_efuse.
config MESON_MX_EFUSE
tristate "Amlogic Meson6/Meson8/Meson8b eFuse Support"
depends on ARCH_MESON || COMPILE_TEST
help
This is a driver to retrieve specific values from the eFuse found on
the Amlogic Meson6, Meson8 and Meson8b SoCs.
This driver can also be built as a module. If so, the module
will be called nvmem_meson_mx_efuse.
config NVMEM_SNVS_LPGPR
tristate "Support for Low Power General Purpose Register"
depends on ARCH_MXC || COMPILE_TEST
help
This is a driver for Low Power General Purpose Register (LPGPR) available on
i.MX6 and i.MX7 SoCs in Secure Non-Volatile Storage (SNVS) of this chip.
This driver can also be built as a module. If so, the module
will be called nvmem-snvs-lpgpr.
config RAVE_SP_EEPROM
tristate "Rave SP EEPROM Support"
depends on RAVE_SP_CORE
help
Say y here to enable Rave SP EEPROM support.
config SC27XX_EFUSE
tristate "Spreadtrum SC27XX eFuse Support"
depends on MFD_SC27XX_PMIC || COMPILE_TEST
depends on HAS_IOMEM
help
This is a simple driver to dump specified values of Spreadtrum
SC27XX PMICs from eFuse.
This driver can also be built as a module. If so, the module
will be called nvmem-sc27xx-efuse.
config NVMEM_ZYNQMP
bool "Xilinx ZYNQMP SoC nvmem firmware support"
depends on ARCH_ZYNQMP
help
This is a driver to access hardware related data like
soc revision, IDCODE... etc by using the firmware
interface.
If sure, say yes. If unsure, say no.
config SPRD_EFUSE
tristate "Spreadtrum SoC eFuse Support"
depends on ARCH_SPRD || COMPILE_TEST
depends on HAS_IOMEM
help
This is a simple driver to dump specified values of Spreadtrum
SoCs from eFuse.
This driver can also be built as a module. If so, the module
will be called nvmem-sprd-efuse.
endif
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