On Thu, May 07, 2015 at 01:24:19PM +0200, Marcel Behlau wrote: > Hi, > > many thanks for your help. I activated the i2c devices in the device > tree, the pinctrl is already done in the imx6q.dtsi, which is > included. The used pins are identically with the used pins on the > SBC. devinfo told me, that the driver "i2c-fsl" is loaded. After > rebuild barebox, it's possible to probe the bus, but the command > only answered with an timeout: > > barebox@Phytec phyFLEX-i.MX6 Quad Carrier-Board:/ i2c_probe 1 83 83 > probing i2c range 0x53 - 0x53 : > i2c2: <i2c_fsl_bus_busy> timeout waiting for I2C bus busy I *think* this means that the levels on the bus do not properly follow what the controller wants to do. Maybe pullup missing? An oscilloscope might help here. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
