From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Chou <thomas@wytron.com.tw>
Date: Thu, 22 Jul 2010 10:51:19 +0800
Subject: [U-Boot] [PATCH 1/2 v2] i2c: soft_i2c: add simple GPIO
	implementation
In-Reply-To: <1279733882-9614-1-git-send-email-vapier@gentoo.org>
References: <1278319809-28569-1-git-send-email-vapier@gentoo.org>
	<1279733882-9614-1-git-send-email-vapier@gentoo.org>
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Mike Frysinger wrote:
> Since the vast majority of GPIO I2C implementations behave the same way,
> support the common GPIO framework with default settings.
> 
> This adds two new defines CONFIG_SOFT_I2C_GPIO_{SCL,SDA} so that boards
> which want GPIO I2C support need only define these.
> 
> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
> Tested-by: Thomas Chou <thomas@wytron.com.tw>
> ---
> v2
> 	- stub out tristate/active by default and let the gpios handle things
> 	  in the sda/scl macros
> 

Tested v2 on nios2 boards.

Tested-by: Thomas Chou <thomas@wytron.com.tw>