linux-kernel - [PATCH v5 0/5] Devicetree support for misc/eeprom/eeprom

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Message-Id: <1452138904-24820-1-git-send-email-cory.tusar@pid1solutions.com>
Date:	Wed,  6 Jan 2016 22:54:59 -0500
From:	Cory Tusar <cory.tusar@...1solutions.com>
To:	robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	gregkh@...uxfoundation.org
Cc:	jic23@...nel.org, vz@...ia.com, broonie@...nel.org, afd@...com,
	andrew@...n.ch, Chris.Healy@....aero, Keith.Vennel@....aero,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	Cory Tusar <cory.tusar@...1solutions.com>
Subject: [PATCH v5 0/5] Devicetree support for misc/eeprom/eeprom_93xx46.

This series of patches adds an initial set of devicetree bindings to the
eeprom_93xx46 driver which mirror the configuration options previously
available as a platform device.  These bindings are then extended to
include support for specific Atmel devices in this family and also to
support GPIO-based selection of the device (e.g. for use with an SPI bus
mux).

Additionally, an address aliasing issue with 16-bit read and write
accesses in the eeprom_93xx46 driver discovered during testing is fixed.

Changes since v4:
  - Only forward-declare 'struct gpio_desc' in eeprom_93xx46.h.
  - Reviewed-by: Vladimir Zapolskiy <vz@...ia.com>

Changes since v3:
  - Tested-by: Chris Healy <chris.healy@....aero>
    ...on a separate i.MX51 platform with Microchip 93LC46A EEPROM.

Changes since v2:
  - Changed node name to 'eeprom' in DT bindings example.
  - Simplified several bits of return logic.
  - Removed #ifdef CONFIG_OF.
  - Allow compiler to handle promotion to bool return values.
  - Reworked GPIO handling to use gpiod_* functions throughout (and
    fixed an oversight where GPIO flags were being ignored).

Changes since v1:
  - Consolidated all Documentation/devictree additions into a single patch.
  - Clarified compatible string shall be only one of the supported values.
  - Renamed the 'select-gpio' binding to 'select-gpios'.

Cory Tusar (5):
  misc: eeprom_93xx46: Fix 16-bit read and write accesses.
  Documentation: devicetree: Add DT bindings to eeprom_93xx46 driver.
  misc: eeprom_93xx46: Implement eeprom_93xx46 DT bindings.
  misc: eeprom_93xx46: Add quirks to support Atmel AT93C46D device.
  misc: eeprom_93xx46: Add support for a GPIO 'select' line.

 .../devicetree/bindings/misc/eeprom-93xx46.txt     |  25 +++
 drivers/misc/eeprom/eeprom_93xx46.c                | 212 +++++++++++++++++----
 include/linux/eeprom_93xx46.h                      |   9 +
 3 files changed, 210 insertions(+), 36 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/misc/eeprom-93xx46.txt

-- 
2.4.10

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