I changed MUX_CFG(DA850, I2C0_SDA, 4, 12, 15, 2, false) MUX_CFG(DA850, I2C0_SCL, 4, 8, 15, 2, false)
to MUX_CFG(DA850, I2C0_SDA, 4, 12, 15, 8, false) MUX_CFG(DA850, I2C0_SCL, 4, 8, 15, 8, false) seems to have the same behaviour.. Nicolas On Wed, Jul 28, 2010 at 5:08 PM, Nicolas Luna <[email protected]> wrote: > 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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