From: Sander van Ginkel <sander@van-ginkel.eu>
To: Wolfram Sang <w.sang@pengutronix.de>
Cc: linux-kernel@vger.kernel.org, kernel@pengutronix.de,
shawn.guo@linaro.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] add hardware I2C support for ARM IMX23
Date: Wed, 28 Nov 2012 17:44:49 +0100 [thread overview]
Message-ID: <50B63F81.4050008@van-ginkel.eu> (raw)
In-Reply-To: <20121128162452.GB4659@pengutronix.de>
tested with:
CONFIG_I2C_MXS=m
CONFIG_I2C_MXS=y
in combination with CONFIG_GPIO_MXS enabled and disabled
used kernels: 3.6 and 3.7.0-rc6
My I2C slave is a PCF8575 i/o expander with some LEDs at the output.
These are controlled through sysfs.
Just tested with "i2cdetc -y -r 0" that crashes with "BUG: soft lockup
- CPU#0 stuck for 22s!"
according to the docs (IMX23RM.pdf) the interrupts for I2C are 26 and 27
that why I assigned these two in the dts.
next prev parent reply other threads:[~2012-11-28 16:45 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-28 14:24 [PATCH] add hardware I2C support for ARM IMX23 sander van ginkel
2012-11-28 15:08 ` Wolfram Sang
2012-11-28 16:10 ` sander van ginkel
2012-11-28 16:24 ` Wolfram Sang
2012-11-28 16:44 ` Sander van Ginkel [this message]
2012-11-28 17:09 ` Wolfram Sang
2012-11-28 17:34 ` sander van ginkel
2012-11-30 16:32 ` sander van ginkel
[not found] ` <CANqk_c-UemJvfoFQMt-iNUU0YmiSt-fb-=Y9=eKwE=ka-ffw6A@mail.gmail.com>
2012-11-28 18:58 ` sander van ginkel
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