linux-kernel - [PATCH v2 0/2] M5441x: Add NFC support

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Message-Id: <20240627-upstream-nfc-mcf5441x-v2-0-312929d09ee5@yoseli.org>
Date: Thu, 27 Jun 2024 18:05:27 +0200
From: Jean-Michel Hautbois <jeanmichel.hautbois@...eli.org>
To: Geert Uytterhoeven <geert@...ux-m68k.org>, 
 Miquel Raynal <miquel.raynal@...tlin.com>, 
 Richard Weinberger <richard@....at>, Vignesh Raghavendra <vigneshr@...com>, 
 Stefan Agner <stefan@...er.ch>
Cc: linux-m68k@...ts.linux-m68k.org, linux-kernel@...r.kernel.org, 
 linux-mtd@...ts.infradead.org, 
 Jean-Michel Hautbois <jeanmichel.hautbois@...eli.org>
Subject: [PATCH v2 0/2] M5441x: Add NFC support

The M5441x has the same NFC IP as the VF610. It does not support
device-tree, so a few changes are needed in particular at probe time.

A new variant is also needed as the Reference Manual states that the
NFC_ROW_ADDR does not drive CS.

Tested on a custom board with a Micron RAW nand.

Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@...eli.org>
---
Changes in v2:
- Removed uneeded ifdef
- Split the m5441x definitions in a separate patch
- Link to v1: https://lore.kernel.org/r/20240620-upstream-nfc-mcf5441x-v1-1-69b64807d7a6@yoseli.org

---
Jean-Michel Hautbois (2):
      arch: m68k: Add definitions for flash NFC support
      mtd: nand: Add support for M5441x NFC

 arch/m68k/include/asm/m5441xsim.h |   7 +++
 drivers/mtd/nand/raw/Kconfig      |   2 +-
 drivers/mtd/nand/raw/vf610_nfc.c  | 102 ++++++++++++++++++++++++++++----------
 3 files changed, 85 insertions(+), 26 deletions(-)
---
base-commit: afcd48134c58d6af45fb3fdb648f1260b20f2326
change-id: 20240620-upstream-nfc-mcf5441x-82e23b45e286

Best regards,
-- 
Jean-Michel Hautbois <jeanmichel.hautbois@...eli.org>