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| -rw-r--r-- | drivers/nvmem/Kconfig | 370 |
1 files changed, 370 insertions, 0 deletions
diff --git a/drivers/nvmem/Kconfig b/drivers/nvmem/Kconfig new file mode 100644 index 000000000..ec8a49c04 --- /dev/null +++ b/drivers/nvmem/Kconfig @@ -0,0 +1,370 @@ +# 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. + +# Devices + +config NVMEM_APPLE_EFUSES + tristate "Apple eFuse support" + depends on ARCH_APPLE || COMPILE_TEST + default ARCH_APPLE + help + Say y here to enable support for reading eFuses on Apple SoCs + such as the M1. These are e.g. used to store factory programmed + calibration data required for the PCIe or the USB-C PHY. + + This driver can also be built as a module. If so, the module will + be called nvmem-apple-efuses. + +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_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. + +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_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_LAN9662_OTPC + tristate "Microchip LAN9662 OTP controller support" + depends on SOC_LAN966 || COMPILE_TEST + depends on HAS_IOMEM + help + This driver enables the OTP controller available on Microchip LAN9662 + SoCs. It controls the access to the OTP memory connected to it. + +config NVMEM_LAYERSCAPE_SFP + tristate "Layerscape SFP (Security Fuse Processor) support" + depends on ARCH_LAYERSCAPE || COMPILE_TEST + depends on HAS_IOMEM + select REGMAP_MMIO + help + This driver provides support to read the eFuses on Freescale + Layerscape SoC's. For example, the vendor provides a per part + unique ID there. + + This driver can also be built as a module. If so, the module + will be called layerscape-sfp. + +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_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 NVMEM_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_MICROCHIP_OTPC + tristate "Microchip OTPC support" + depends on ARCH_AT91 || COMPILE_TEST + help + This driver enable the OTP controller available on Microchip SAMA7G5 + SoCs. It controlls the access to the OTP memory connected to it. + +config NVMEM_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_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 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 NVMEM_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_RAVE_SP_EEPROM + tristate "Rave SP EEPROM Support" + depends on RAVE_SP_CORE + help + Say y here to enable Rave SP EEPROM support. + +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_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 NVMEM_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_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_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 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 NVMEM_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_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_SUNPLUS_OCOTP + tristate "Sunplus SoC OTP support" + depends on SOC_SP7021 || COMPILE_TEST + depends on HAS_IOMEM + help + This is a driver for the On-chip OTP controller (OCOTP) available + on Sunplus SoCs. It provides access to 128 bytes of one-time + programmable eFuse. + + This driver can also be built as a module. If so, the module + will be called nvmem-sunplus-ocotp. + +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 NVMEM_U_BOOT_ENV + tristate "U-Boot environment variables support" + depends on OF && MTD + select CRC32 + help + U-Boot stores its setup as environment variables. This driver adds + support for verifying & exporting such data. It also exposes variables + as NVMEM cells so they can be referenced by other drivers. + + Currently this drivers works only with env variables on top of MTD. + + If compiled as module it will be called nvmem_u-boot-env. + +config NVMEM_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 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. + +endif |