linux-kernel - [PATCH v3 0/3] Add I2C support to Broadcom iProc

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Message-ID: <1418183832-24793-1-git-send-email-rjui@broadcom.com>
Date:	Tue, 9 Dec 2014 19:57:09 -0800
From:	Ray Jui <rjui@...adcom.com>
To:	Wolfram Sang <wsa@...-dreams.de>, Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	"Ian Campbell" <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Grant Likely <grant.likely@...aro.org>,
	Christian Daudt <bcm@...thebug.org>,
	Matt Porter <mporter@...aro.org>,
	Florian Fainelli <f.fainelli@...il.com>,
	Russell King <linux@....linux.org.uk>
CC:	Scott Branden <sbranden@...adcom.com>, <linux-i2c@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<bcm-kernel-feedback-list@...adcom.com>,
	<devicetree@...r.kernel.org>, "Ray Jui" <rjui@...adcom.com>
Subject: [PATCH v3 0/3] Add I2C support to Broadcom iProc

This patchset contains the initial I2C support for Broadcom iProc family of
SoCs.

The iProc I2C controller has separate internal TX and RX FIFOs, each has a
size of 64 bytes. The iProc I2C controller supports two bus speeds including
standard mode (100 kHz) and fast mode (400 kHz)

Changes from v2:
 - Have the I2C driver default to y so it does not need to be selected from
   ARCH_BCM_IPROC. This also helps to get rid of one patch. The driver still
   depends on ARCH_BCM_IPROC
 - Get rid of redundant check on resource returned by platform_get_resource

Changes from v1:
 - Fix function argument parenthesis
 - Get rid of redundant driver owner field

Ray Jui (3):
  i2c: iProc: define Broadcom iProc I2C binding
  i2c: iproc: Add Broadcom iProc I2C Driver
  ARM: dts: add I2C device nodes for Broadcom Cygnus

 .../devicetree/bindings/i2c/brcm,iproc-i2c.txt     |   37 ++
 arch/arm/boot/dts/bcm-cygnus.dtsi                  |   20 +
 drivers/i2c/busses/Kconfig                         |   10 +
 drivers/i2c/busses/Makefile                        |    1 +
 drivers/i2c/busses/i2c-bcm-iproc.c                 |  500 ++++++++++++++++++++
 5 files changed, 568 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.txt
 create mode 100644 drivers/i2c/busses/i2c-bcm-iproc.c

-- 
1.7.9.5

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