On Wed, 2010-07-28 at 16:46 -0400, Nicolas Luna wrote: > Todd, > > > > What do I need to change if I want to use the bitbang i2c driver and > stop to get those error messages. > > > I added support for "GPIO-based bitbaging I2C" into the kernel, > anything else to change in the TPS driver source code?
You need to modify the arm/arch/mach-davinci board file to configure the pinmux as GPIOs, not I2C signaling. Which hardware board are you using? > > > Thanks > > > Regards, > > > Nicolas > > > > > On Wed, Jun 9, 2010 at 4:17 PM, Todd Fischer > <[email protected]> wrote: > > HI Bastian and Nicolas, > > I recall getting this error when I wasn't using the bitbang > i2c driver on the OMAP-L138. > > Todd > > > > > On Wed, 2010-06-09 at 10:59 +0200, Bastian Ruppert wrote: > > > > > Hello Nicolas, > > > > thanks for the .conf file. > > > > > this will help you to check if your hardware is ok. > > > > It helped. > > > > I applied your file on the khilman commit you are using but > > i had to patch the kernel in order to > > compile drivers/mfd/tps6507x.c . I think if you don`t have > > the same problems, that is anomalous. > > > > After that the touchscreen driver is running on that kernel. > > It`s a little bit unstable, there are sometimes errors like > > > > tps6507x 1-0048: TSC mode read failed > > i2c_davinci i2c_davinci.1: controller timed out > > i2c_davinci i2c_davinci.1: initiating i2c bus recovery > > i2c_davinci i2c_davinci.1: controller timed out > > i2c_davinci i2c_davinci.1: initiating i2c bus recovery > > > > but the hardware can in principle do it. > > > > Regards, > > > > Bastian. > > > > _______________________________________________ > > Davinci-linux-open-source mailing list > > > > [email protected] > > > http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source > > >
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