[PATCH v6 0/3] Add support for SPI-NOR Macronix OTP
Erez Geva
erezgeva at nwtime.org
Thu Sep 26 08:51:24 PDT 2024
From: Erez Geva <ErezGeva2 at gmail.com>
Add support for SPI-NOR Macronix OTP.
v2:
Improve description of mx25l12833f.
Add note about mx25l12833f using the same JEDEC ID as mx25l12805d.
v3:
Improve description.
Rename _nor_send_cmd() to spi_nor_send_cmd_internal().
Remove MX25L12833F specific changes.
Add reading SFDP to all Macronix chips.
Add support of reading OTP parameters from device tree.
Reorgenize patches to 2 SPI-NOR patches and 2 Macronix patches.
Testing with MX25L3233F using BeagleBone Black.
Test results are in "mtd: spi-nor: macronix: add manufacturer flags" patch.
v4:
Add DT bindings of new OTP parameters.
Test OTP with 'flash_otp_write' and 'flash_otp_lock'.
Fix macronix_nor_otp_lock() and macronix_nor_otp_is_locked(),
Macronix uses a single flag for all regions.
v5:
Fix DT binding errors.
Fix functions description of Macronix OTP functions.
v6:
Remove DT.
The patch contain the Macronix OTP functions.
But this patch seria do not contain any means to configure the OTP.
As a proper way to do it was not concluded!
I think we do need dynamic OTP for future use.
Erez Geva (3):
mtd: spi-nor: core: make OTP configuration dynamic
mtd: spi-nor: core: add generic functions
mtd: spi-nor: macronix: add support for OTP
drivers/mtd/spi-nor/core.c | 134 +++++++++++++++++++-------
drivers/mtd/spi-nor/core.h | 29 +-----
drivers/mtd/spi-nor/macronix.c | 167 +++++++++++++++++++++++++++++++++
drivers/mtd/spi-nor/otp.c | 6 +-
drivers/mtd/spi-nor/winbond.c | 2 +-
include/linux/mtd/spi-nor.h | 9 ++
6 files changed, 283 insertions(+), 64 deletions(-)
--
2.39.5
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