[PATCH v2 0/3] Add i.MX94 OCOTP support

alice.guo at oss.nxp.com alice.guo at oss.nxp.com
Mon Oct 20 03:50:41 PDT 2025


This patch series adds support for the OCOTP controller on the i.MX94
SoC. The OCOTP controller provides access to eFuse regions.

Tested on an i.MX943 EVK board with successful NVMEM read access via
sysfs.

Changes for v2:
 - improved commit messages for each patch
 - added Acked-by and Reviewed-by tags from reviewers
 - updated the efuse at 47510000 node

Signed-off-by: Alice Guo <alice.guo at nxp.com>
---
Alice Guo (3):
      dt-bindings: nvmem: imx-ocotp: Add support for i.MX94
      nvmem: imx-ocotp-ele: Add i.MX94 OCOTP support
      arm64: dts: imx94: Add OCOTP node

 .../devicetree/bindings/nvmem/imx-ocotp.yaml         |  4 +++-
 arch/arm64/boot/dts/freescale/imx94.dtsi             |  7 +++++++
 drivers/nvmem/imx-ocotp-ele.c                        | 20 ++++++++++++++++++++
 3 files changed, 30 insertions(+), 1 deletion(-)
---
base-commit: 211ddde0823f1442e4ad052a2f30f050145ccada
change-id: 20251020-imx94-80cfea8aa71b

Best regards,
-- 
Alice Guo <alice.guo at nxp.com>




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