linux-kernel - [PATCH v4 0/5] Add support for SPI-NOR Macronix OTP

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Message-Id: <20240917094956.437078-1-erezgeva@nwtime.org>
Date: Tue, 17 Sep 2024 11:49:51 +0200
From: Erez Geva <erezgeva@...ime.org>
To: linux-mtd@...ts.infradead.org,
	Tudor Ambarus <tudor.ambarus@...aro.org>,
	Pratyush Yadav <pratyush@...nel.org>,
	Michael Walle <mwalle@...nel.org>
Cc: linux-kernel@...r.kernel.org,
	Miquel Raynal <miquel.raynal@...tlin.com>,
	Richard Weinberger <richard@....at>,
	Vignesh Raghavendra <vigneshr@...com>,
	devicetree@...r.kernel.org,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Esben Haabendal <esben@...nix.com>,
	Erez Geva <ErezGeva2@...il.com>
Subject: [PATCH v4 0/5] Add support for SPI-NOR Macronix OTP

From: Erez Geva <ErezGeva2@...il.com>

Add support for SPI-NOR Macronix OTP.
And add MX25L12833F with 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.

Erez Geva (5):
  mtd: spi-nor: core: add manufacturer flags
  mtd: spi-nor: core: add generic functions
  dt-bindings: mtd: spi-nor: add OTP parameters
  mtd: spi-nor: macronix: add support for OTP
  mtd: spi-nor: macronix: add manufacturer flags

 .../bindings/mtd/jedec,spi-nor.yaml           |  37 ++++
 drivers/mtd/spi-nor/core.c                    | 166 +++++++++++++----
 drivers/mtd/spi-nor/core.h                    |  34 +---
 drivers/mtd/spi-nor/macronix.c                | 168 ++++++++++++++++++
 drivers/mtd/spi-nor/otp.c                     |   6 +-
 drivers/mtd/spi-nor/winbond.c                 |   2 +-
 include/linux/mtd/spi-nor.h                   |   9 +
 7 files changed, 354 insertions(+), 68 deletions(-)

-- 
2.39.5