linux-kernel - [PATCH v4 0/2] i2c: sunxi: add P2WI controller support

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Message-Id: <1399715163-11291-1-git-send-email-boris.brezillon@free-electrons.com>
Date:	Sat, 10 May 2014 11:46:01 +0200
From:	Boris BREZILLON <boris.brezillon@...e-electrons.com>
To:	Wolfram Sang <wsa@...-dreams.de>
Cc:	Randy Dunlap <rdunlap@...radead.org>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Hans de Goede <hdegoede@...hat.com>,
	Shuge <shuge@...winnertech.com>, kevin@...winnertech.com,
	devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Boris BREZILLON <boris.brezillon@...e-electrons.com>
Subject: [PATCH v4 0/2] i2c: sunxi: add P2WI controller support

Hello,

This series adds support for the P2WI block used by some Allwinner
boards to interface with the AXP221 PMIC.

Best Regards,

Boris

Changes since v3:
- update the DT bindings doc
- fix a comment that was no longer true

Changes since v2:
- drop the initialization (switch from I2C to P2WI mode) part
- print devm_ioremap_resource err code

Changes since v1:
- implement P2WI initilization
- implement P2WI bus frequency configuration
- implement address consistency check
- fix devm_request_and_ioremap return check
- rework the macro definitions
- fix typos

[1] http://www.spinics.net/lists/linux-i2c/msg15066.html
[2] http://comments.gmane.org/gmane.comp.hardware.netbook.arm.sunxi/8947
Boris BREZILLON (2):
  i2c: sunxi: add P2WI DT bindings documentation
  i2c: sunxi: add P2WI (Push/Pull 2 Wire Interface) controller support

 .../devicetree/bindings/i2c/i2c-sunxi-p2wi.txt     |  41 +++
 drivers/i2c/busses/Kconfig                         |  12 +
 drivers/i2c/busses/Makefile                        |   1 +
 drivers/i2c/busses/i2c-sun6i-p2wi.c                | 349 +++++++++++++++++++++
 4 files changed, 403 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/i2c/i2c-sunxi-p2wi.txt
 create mode 100644 drivers/i2c/busses/i2c-sun6i-p2wi.c

-- 
1.8.3.2

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