Non volatile memory area is available on STM32. It contains various factory programmed information such as unique device ID, analog calibration... This patchset adds NVMEM support to access these data.
Fabrice Gasnier (4): dt-bindings: nvmem: Add STM32 factory-programmed romem nvmem: Add driver for STM32 factory-programmed read only mem nvmem: stm32: add support for STM32MP15 BSEC to control OTP data ARM: dts: stm32: Add romem and temperature calibration on stm32mp157c .../devicetree/bindings/nvmem/st,stm32-romem.txt | 31 ++++ arch/arm/boot/dts/stm32mp157c.dtsi | 13 ++ drivers/nvmem/Kconfig | 10 + drivers/nvmem/Makefile | 2 + drivers/nvmem/stm32-romem.c | 202 +++++++++++++++++++++ 5 files changed, 258 insertions(+) create mode 100644 Documentation/devicetree/bindings/nvmem/st,stm32-romem.txt create mode 100644 drivers/nvmem/stm32-romem.c -- 1.9.1
