From mboxrd@z Thu Jan 1 00:00:00 1970 From: sebastian.hesselbarth@gmail.com (Sebastian Hesselbarth) Date: Sat, 26 Jan 2013 18:38:59 +0100 Subject: [PATCH 2/2] ARM: Kirkwood: topkick: Enable i2c bus. In-Reply-To: <1359219326-5927-2-git-send-email-andrew@lunn.ch> References: <1359219326-5927-1-git-send-email-andrew@lunn.ch> <1359219326-5927-2-git-send-email-andrew@lunn.ch> Message-ID: <510414B3.6000207@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 01/26/2013 05:55 PM, Andrew Lunn wrote: > Add a DT node for I2C and pinctrl hog for the pins. There appears to > be an i2c bus on topkick with a device on it: > > 60: -- -- -- -- 64 -- -- -- -- -- -- -- -- -- -- -- Andrew, this could be a Nuvoton NCT3012S ACPI PMIC. It is located right next to Wifi/BT. There is i2c address should be 6c but officially it only supports 100kHz bus frequency. Can you post i2cdetect and i2cdump with 100kHz? Sebastian [1] http://www.catagle.com/29-11/NCT3012S.htm