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Current File : //proc/self/root/usr/src/linux-headers-5.15.0-43/drivers/nvmem/Kconfig

# 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.

	  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 NVMEM_NINTENDO_OTP
	tristate "Nintendo Wii and Wii U OTP Support"
	depends on WII || COMPILE_TEST
	help
	  This is a driver exposing the OTP of a Nintendo Wii or Wii U console.

	  This memory contains common and per-console keys, signatures and
	  related data required to access peripherals.

	  This driver can also be built as a module. If so, the module
	  will be called nvmem-nintendo-otp.

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.

config NVMEM_RMEM
	tristate "Reserved Memory Based Driver Support"
	depends on HAS_IOMEM
	help
	  This driver maps reserved memory into an nvmem device. It might be
	  useful to expose information left by firmware in memory.

	  This driver can also be built as a module. If so, the module
	  will be called nvmem-rmem.

config NVMEM_BRCM_NVRAM
	tristate "Broadcom's NVRAM support"
	depends on ARCH_BCM_5301X || COMPILE_TEST
	depends on HAS_IOMEM
	help
	  This driver provides support for Broadcom's NVRAM that can be accessed
	  using I/O mapping.

endif

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