[PATCH 0/3] Add STM32 TAMP nvram driver support

Patrice Chotard patrice.chotard at foss.st.com
Thu Sep 10 07:11:21 PDT 2026


Propose bindings and driver to enable TAMP nvram driver
support for STM32MP SoC's family.
It allows to expose TAMP backup registers as nvmem cells.

Signed-off-by: Patrice Chotard <patrice.chotard at foss.st.com>
---
Patrice Chotard (1):
      dt-bindings: arm: stm32: allow TAMP nvram child node for syscon

Simeon Marijon (2):
      dt-bindings: nvmem: add binding for STM32MPX TAMP backup registers
      nvmem: stm32: add TAMP nvmem driver

 .../bindings/arm/stm32/st,stm32-syscon.yaml        |  28 +
 .../bindings/nvmem/st,stm32-tamp-nvram.yaml        |  57 ++
 MAINTAINERS                                        |   8 +
 drivers/nvmem/Kconfig                              |  10 +
 drivers/nvmem/Makefile                             |   2 +
 drivers/nvmem/stm32-tamp-nvram.c                   | 729 +++++++++++++++++++++
 6 files changed, 834 insertions(+)
---
base-commit: cee9395acd8043be0644b25c34bfa86623f2b935
change-id: 20260909-upstream_nvram_reworked-f84a4b37817c

Best regards,
--  
Patrice Chotard <patrice.chotard at foss.st.com>




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