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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 JZ4780_EFUSE
tristate "JZ4780 EFUSE Memory Support"
depends on MACH_INGENIC || COMPILE_TEST
depends on HAS_IOMEM
depends on OF
select REGMAP_MMIO
help
Say Y here to include support for JZ4780 efuse memory found on
all JZ4780 SoC based devices.
To compile this driver as a module, choose M here: the module
will be called nvmem_jz4780_efuse.
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 NVMEM_SPMI_SDAM
tristate "SPMI SDAM Support"
depends on SPMI
help
This driver supports the Shared Direct Access Memory Module on
Qualcomm Technologies, Inc. PMICs. It provides the clients
an interface to read/write to the SDAM module's shared memory.
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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