Andrew, On Fri, 2009-12-11 at 10:41 -0500, Andrew Elder wrote: > Steve, > > I'm disappointed in TI's position on this. > > This page > <http://focus.ti.com/docs/prod/folders/print/tms320dm6446.html> > clearly shows SPI as one of the available peripherals, so to my way of > thinking TI should be providing an official Linux driver for it. Or at > least working towards providing an official SPI driver. > > If EVMs for a particular processor do not expose all peripherals then > the EVMs need to be updated. > > How does TI internally test that the SPI port works at all ?
It has been tested on a DM6467 as it was required by a TI customer to add specific functionality (such as full duplex transmit and receive). Regards, Philby > > Regards, > Andrew > > > Steve Chen wrote: > > On Fri, 2009-12-11 at 07:45 -0600, Rondeau, Michael wrote: > > > > > We have been using a bit-banging SPI driver for several years to write > > > to some GPIO expander chips. I now need to read some inputs from the > > > GPIO expander. The driver is not working in read mode and I am > > > debugging it now. But, I was wondering if TI has gotten a TI 6446 > > > hardware SPI driver working. > > > > > > > SPI for DM6446 is not officially supported by TI because there is no SPI > > device on DM644x EVM. Therefore, can not be tested. I would expect the > > DM6446 SPI to work with some driver modifications. Since you already > > have the write working, you should be pretty close with read. > > > > Regards, > > > > Steve > > > > > > _______________________________________________ > > Davinci-linux-open-source mailing list > > [email protected] > > http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source > > > > > > _______________________________________________ > Davinci-linux-open-source mailing list > [email protected] > http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source _______________________________________________ Davinci-linux-open-source mailing list [email protected] http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
