board-da850-evm.c Nicolas
On Wed, Jul 28, 2010 at 4:51 PM, Todd Fischer <[email protected]>wrote: > 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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