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370 lines
11 KiB
370 lines
11 KiB
# SPDX-License-Identifier: GPL-2.0-only |
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menuconfig NVMEM |
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bool "NVMEM Support" |
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help |
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Support for NVMEM(Non Volatile Memory) devices like EEPROM, EFUSES... |
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This framework is designed to provide a generic interface to NVMEM |
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from both the Linux Kernel and the userspace. |
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If unsure, say no. |
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if NVMEM |
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config NVMEM_SYSFS |
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bool "/sys/bus/nvmem/devices/*/nvmem (sysfs interface)" |
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depends on SYSFS |
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default y |
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help |
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Say Y here to add a sysfs interface for NVMEM. |
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This interface is mostly used by userspace applications to |
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read/write directly into nvmem. |
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# Devices |
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config NVMEM_APPLE_EFUSES |
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tristate "Apple eFuse support" |
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depends on ARCH_APPLE || COMPILE_TEST |
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default ARCH_APPLE |
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help |
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Say y here to enable support for reading eFuses on Apple SoCs |
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such as the M1. These are e.g. used to store factory programmed |
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calibration data required for the PCIe or the USB-C PHY. |
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This driver can also be built as a module. If so, the module will |
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be called nvmem-apple-efuses. |
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config NVMEM_BCM_OCOTP |
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tristate "Broadcom On-Chip OTP Controller support" |
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depends on ARCH_BCM_IPROC || COMPILE_TEST |
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depends on HAS_IOMEM |
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default ARCH_BCM_IPROC |
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help |
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Say y here to enable read/write access to the Broadcom OTP |
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controller. |
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This driver can also be built as a module. If so, the module |
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will be called nvmem-bcm-ocotp. |
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config NVMEM_BRCM_NVRAM |
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tristate "Broadcom's NVRAM support" |
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depends on ARCH_BCM_5301X || COMPILE_TEST |
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depends on HAS_IOMEM |
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help |
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This driver provides support for Broadcom's NVRAM that can be accessed |
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using I/O mapping. |
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config NVMEM_IMX_IIM |
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tristate "i.MX IC Identification Module support" |
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depends on ARCH_MXC || COMPILE_TEST |
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help |
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This is a driver for the IC Identification Module (IIM) available on |
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i.MX SoCs, providing access to 4 Kbits of programmable |
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eFuses. |
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This driver can also be built as a module. If so, the module |
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will be called nvmem-imx-iim. |
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config NVMEM_IMX_OCOTP |
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tristate "i.MX 6/7/8 On-Chip OTP Controller support" |
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depends on ARCH_MXC || COMPILE_TEST |
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depends on HAS_IOMEM |
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help |
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This is a driver for the On-Chip OTP Controller (OCOTP) available on |
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i.MX6 SoCs, providing access to 4 Kbits of one-time programmable |
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eFuses. |
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This driver can also be built as a module. If so, the module |
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will be called nvmem-imx-ocotp. |
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config NVMEM_IMX_OCOTP_SCU |
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tristate "i.MX8 SCU On-Chip OTP Controller support" |
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depends on IMX_SCU |
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depends on HAVE_ARM_SMCCC |
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help |
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This is a driver for the SCU On-Chip OTP Controller (OCOTP) |
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available on i.MX8 SoCs. |
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config NVMEM_JZ4780_EFUSE |
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tristate "JZ4780 EFUSE Memory Support" |
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depends on MACH_INGENIC || COMPILE_TEST |
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depends on HAS_IOMEM |
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depends on OF |
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select REGMAP_MMIO |
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help |
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Say Y here to include support for JZ4780 efuse memory found on |
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all JZ4780 SoC based devices. |
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To compile this driver as a module, choose M here: the module |
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will be called nvmem_jz4780_efuse. |
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config NVMEM_LAN9662_OTPC |
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tristate "Microchip LAN9662 OTP controller support" |
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depends on SOC_LAN966 || COMPILE_TEST |
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depends on HAS_IOMEM |
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help |
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This driver enables the OTP controller available on Microchip LAN9662 |
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SoCs. It controls the access to the OTP memory connected to it. |
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config NVMEM_LAYERSCAPE_SFP |
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tristate "Layerscape SFP (Security Fuse Processor) support" |
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depends on ARCH_LAYERSCAPE || COMPILE_TEST |
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depends on HAS_IOMEM |
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select REGMAP_MMIO |
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help |
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This driver provides support to read the eFuses on Freescale |
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Layerscape SoC's. For example, the vendor provides a per part |
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unique ID there. |
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This driver can also be built as a module. If so, the module |
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will be called layerscape-sfp. |
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config NVMEM_LPC18XX_EEPROM |
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tristate "NXP LPC18XX EEPROM Memory Support" |
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depends on ARCH_LPC18XX || COMPILE_TEST |
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depends on HAS_IOMEM |
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help |
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Say Y here to include support for NXP LPC18xx EEPROM memory found in |
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NXP LPC185x/3x and LPC435x/3x/2x/1x devices. |
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To compile this driver as a module, choose M here: the module |
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will be called nvmem_lpc18xx_eeprom. |
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config NVMEM_LPC18XX_OTP |
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tristate "NXP LPC18XX OTP Memory Support" |
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depends on ARCH_LPC18XX || COMPILE_TEST |
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depends on HAS_IOMEM |
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help |
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Say Y here to include support for NXP LPC18xx OTP memory found on |
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all LPC18xx and LPC43xx devices. |
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To compile this driver as a module, choose M here: the module |
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will be called nvmem_lpc18xx_otp. |
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config NVMEM_MESON_EFUSE |
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tristate "Amlogic Meson GX eFuse Support" |
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depends on (ARCH_MESON || COMPILE_TEST) && MESON_SM |
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help |
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This is a driver to retrieve specific values from the eFuse found on |
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the Amlogic Meson GX SoCs. |
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This driver can also be built as a module. If so, the module |
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will be called nvmem_meson_efuse. |
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config NVMEM_MESON_MX_EFUSE |
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tristate "Amlogic Meson6/Meson8/Meson8b eFuse Support" |
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depends on ARCH_MESON || COMPILE_TEST |
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help |
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This is a driver to retrieve specific values from the eFuse found on |
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the Amlogic Meson6, Meson8 and Meson8b SoCs. |
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This driver can also be built as a module. If so, the module |
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will be called nvmem_meson_mx_efuse. |
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config NVMEM_MICROCHIP_OTPC |
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tristate "Microchip OTPC support" |
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depends on ARCH_AT91 || COMPILE_TEST |
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help |
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This driver enable the OTP controller available on Microchip SAMA7G5 |
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SoCs. It controlls the access to the OTP memory connected to it. |
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config NVMEM_MTK_EFUSE |
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tristate "Mediatek SoCs EFUSE support" |
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depends on ARCH_MEDIATEK || COMPILE_TEST |
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depends on HAS_IOMEM |
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help |
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This is a driver to access hardware related data like sensor |
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calibration, HDMI impedance etc. |
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This driver can also be built as a module. If so, the module |
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will be called efuse-mtk. |
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config NVMEM_MXS_OCOTP |
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tristate "Freescale MXS On-Chip OTP Memory Support" |
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depends on ARCH_MXS || COMPILE_TEST |
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depends on HAS_IOMEM |
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help |
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If you say Y here, you will get readonly access to the |
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One Time Programmable memory pages that are stored |
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on the Freescale i.MX23/i.MX28 processor. |
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This driver can also be built as a module. If so, the module |
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will be called nvmem-mxs-ocotp. |
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config NVMEM_NINTENDO_OTP |
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tristate "Nintendo Wii and Wii U OTP Support" |
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depends on WII || COMPILE_TEST |
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help |
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This is a driver exposing the OTP of a Nintendo Wii or Wii U console. |
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This memory contains common and per-console keys, signatures and |
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related data required to access peripherals. |
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This driver can also be built as a module. If so, the module |
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will be called nvmem-nintendo-otp. |
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config NVMEM_QCOM_QFPROM |
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tristate "QCOM QFPROM Support" |
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depends on ARCH_QCOM || COMPILE_TEST |
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depends on HAS_IOMEM |
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help |
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Say y here to enable QFPROM support. The QFPROM provides access |
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functions for QFPROM data to rest of the drivers via nvmem interface. |
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This driver can also be built as a module. If so, the module |
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will be called nvmem_qfprom. |
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config NVMEM_RAVE_SP_EEPROM |
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tristate "Rave SP EEPROM Support" |
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depends on RAVE_SP_CORE |
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help |
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Say y here to enable Rave SP EEPROM support. |
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config NVMEM_RMEM |
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tristate "Reserved Memory Based Driver Support" |
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depends on HAS_IOMEM |
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help |
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This driver maps reserved memory into an nvmem device. It might be |
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useful to expose information left by firmware in memory. |
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This driver can also be built as a module. If so, the module |
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will be called nvmem-rmem. |
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config NVMEM_ROCKCHIP_EFUSE |
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tristate "Rockchip eFuse Support" |
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depends on ARCH_ROCKCHIP || COMPILE_TEST |
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depends on HAS_IOMEM |
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help |
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This is a simple drive to dump specified values of Rockchip SoC |
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from eFuse, such as cpu-leakage. |
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This driver can also be built as a module. If so, the module |
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will be called nvmem_rockchip_efuse. |
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config NVMEM_ROCKCHIP_OTP |
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tristate "Rockchip OTP controller support" |
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depends on ARCH_ROCKCHIP || COMPILE_TEST |
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depends on HAS_IOMEM |
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help |
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This is a simple drive to dump specified values of Rockchip SoC |
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from otp, such as cpu-leakage. |
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This driver can also be built as a module. If so, the module |
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will be called nvmem_rockchip_otp. |
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config NVMEM_SC27XX_EFUSE |
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tristate "Spreadtrum SC27XX eFuse Support" |
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depends on MFD_SC27XX_PMIC || COMPILE_TEST |
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depends on HAS_IOMEM |
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help |
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This is a simple driver to dump specified values of Spreadtrum |
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SC27XX PMICs from eFuse. |
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This driver can also be built as a module. If so, the module |
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will be called nvmem-sc27xx-efuse. |
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config NVMEM_SNVS_LPGPR |
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tristate "Support for Low Power General Purpose Register" |
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depends on ARCH_MXC || COMPILE_TEST |
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help |
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This is a driver for Low Power General Purpose Register (LPGPR) available on |
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i.MX6 and i.MX7 SoCs in Secure Non-Volatile Storage (SNVS) of this chip. |
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This driver can also be built as a module. If so, the module |
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will be called nvmem-snvs-lpgpr. |
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config NVMEM_SPMI_SDAM |
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tristate "SPMI SDAM Support" |
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depends on SPMI |
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help |
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This driver supports the Shared Direct Access Memory Module on |
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Qualcomm Technologies, Inc. PMICs. It provides the clients |
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an interface to read/write to the SDAM module's shared memory. |
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config NVMEM_SPRD_EFUSE |
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tristate "Spreadtrum SoC eFuse Support" |
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depends on ARCH_SPRD || COMPILE_TEST |
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depends on HAS_IOMEM |
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help |
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This is a simple driver to dump specified values of Spreadtrum |
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SoCs from eFuse. |
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This driver can also be built as a module. If so, the module |
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will be called nvmem-sprd-efuse. |
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config NVMEM_STM32_ROMEM |
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tristate "STMicroelectronics STM32 factory-programmed memory support" |
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depends on ARCH_STM32 || COMPILE_TEST |
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help |
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Say y here to enable read-only access for STMicroelectronics STM32 |
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factory-programmed memory area. |
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This driver can also be built as a module. If so, the module |
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will be called nvmem-stm32-romem. |
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config NVMEM_SUNPLUS_OCOTP |
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tristate "Sunplus SoC OTP support" |
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depends on SOC_SP7021 || COMPILE_TEST |
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depends on HAS_IOMEM |
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help |
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This is a driver for the On-chip OTP controller (OCOTP) available |
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on Sunplus SoCs. It provides access to 128 bytes of one-time |
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programmable eFuse. |
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This driver can also be built as a module. If so, the module |
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will be called nvmem-sunplus-ocotp. |
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config NVMEM_SUNXI_SID |
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tristate "Allwinner SoCs SID support" |
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depends on ARCH_SUNXI |
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help |
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This is a driver for the 'security ID' available on various Allwinner |
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devices. |
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This driver can also be built as a module. If so, the module |
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will be called nvmem_sunxi_sid. |
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config NVMEM_U_BOOT_ENV |
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tristate "U-Boot environment variables support" |
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depends on OF && MTD |
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select CRC32 |
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help |
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U-Boot stores its setup as environment variables. This driver adds |
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support for verifying & exporting such data. It also exposes variables |
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as NVMEM cells so they can be referenced by other drivers. |
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Currently this drivers works only with env variables on top of MTD. |
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If compiled as module it will be called nvmem_u-boot-env. |
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config NVMEM_UNIPHIER_EFUSE |
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tristate "UniPhier SoCs eFuse support" |
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depends on ARCH_UNIPHIER || COMPILE_TEST |
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depends on HAS_IOMEM |
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help |
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This is a simple driver to dump specified values of UniPhier SoC |
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from eFuse. |
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This driver can also be built as a module. If so, the module |
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will be called nvmem-uniphier-efuse. |
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config NVMEM_VF610_OCOTP |
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tristate "VF610 SoC OCOTP support" |
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depends on SOC_VF610 || COMPILE_TEST |
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depends on HAS_IOMEM |
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help |
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This is a driver for the 'OCOTP' peripheral available on Vybrid |
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devices like VF5xx and VF6xx. |
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This driver can also be build as a module. If so, the module will |
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be called nvmem-vf610-ocotp. |
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config NVMEM_ZYNQMP |
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bool "Xilinx ZYNQMP SoC nvmem firmware support" |
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depends on ARCH_ZYNQMP |
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help |
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This is a driver to access hardware related data like |
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soc revision, IDCODE... etc by using the firmware |
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interface. |
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If sure, say yes. If unsure, say no. |
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endif
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