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nvmem: add ocotp support for i.MX23 and i.MX28

Marek Vasut linux-arm-kernel linux-devicetree 3 versions – New

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  1. v5 Latest0 of 3 patches 0 repliesNew
  2. v4 RFC posting 2/20 of 3 patches 0 repliesSuperseded
  3. v4 RFC posting 1/22 of 3 patches 0 repliesSuperseded

Patches in v5 No applies recorded yet

None of the 3 patches the cover letter announces are in this archive.

Reviews trailers per patch

PatchMarek Vasut
SeriesR-b

Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes.

Read the v5 thread

Cover letter [PATCH V5 0/3] nvmem: add ocotp support for i.MX23 and i.MX28
Quoted 35 lines · Stefan Wahren

This patch series brings read-only support for the On-Chip OTP cells in the i.MX23 and i.MX28 processor.

changes in V5:
- rebase to char-misc-next
- add nvmem prefix to module name
- set status in dtsi files

changes in V4:
- rename fsl_ocotp.c to mxs-ocotp.c
- adapt driver to use NVMEM framework V7
- take care of hbus clock
- increase too small timeout
- implement a wait function
- use defines from stmp_device.h
- remove owner init
- more code cleanup

changes in V3:
- drop write support
- take care of i.MX23 which has less registers
- drop unnecessary header file
- move static variables into driver data
- add devicetree probing
- fix missing bank closing in error case
- use kobj from platform device for sysfs
- add SYSFS to Kconfig
- add binding file
- code cleanup

Stefan Wahren (3):
DT: nvmem: add binding for mxs-ocotp
nvmem: add driver for ocotp in i.MX23 and i.MX28
ARM: mxs: enable ocotp for i.MX23 and i.MX28

Quoted 9 lines
 .../devicetree/bindings/nvmem/mxs-ocotp.txt        |   24 ++
 arch/arm/boot/dts/imx23.dtsi                       |    7 +-
 arch/arm/boot/dts/imx28.dtsi                       |    7 +-
 drivers/nvmem/Kconfig                              |   11 +
 drivers/nvmem/Makefile                             |    2 +
 drivers/nvmem/mxs-ocotp.c                          |  252
++++++++++++++++++++ 6 files changed, 299 insertions(+), 4 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/nvmem/mxs-ocotp.txt
 create mode 100644 drivers/nvmem/mxs-ocotp.c

Very nice, other than the comments from Srinivas, you can add my

Reviewed-by Marek Vasut <[email protected]>

Best regards,
Marek Vasut

Read the cover letter in its thread