From: Naveen Krishna Ch <ch.naveen@samsung.com>
Date: Mon, 28 Apr 2014 08:59:58 +0000 (+0530)
Subject: i2c: exynos5: add support for HSI2C on Exynos5260 SoC
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~91^2~5^2~38
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=218e1496135e94e901bf1c136d81ede7e2b418b8;p=pandora-kernel.git

i2c: exynos5: add support for HSI2C on Exynos5260 SoC

HSI2C module on Exynos5260 differs from current modules in
following ways:
1.  HSI2C on Exynos5260 has fifo_depth of 16bytes
2.  Module needs to be reset as a part of init sequence.

Hence, Following changes are involved.
1. Add a new compatible string and Updates the Documentation dt bindings.
2. Introduce a variant struct to support the changes in H/W
3. Reset the module during init. Thus, bringing the module back
to default state irrespective of what firmware did with it.

Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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