Thank you for your answer Mickae1. But I know how to use SPI with device tree overlay (I use it that way for my first lcd). I was wondering if it could be possible to declare a simple GPIO pin (via DTO for example) as a CS one. It would allow me to work with fbtft driver without having to alter it.
Never mind, I am writing a new driver (called by dto) to emulate more CS pins. I will see if it can work at the required speed. Le mardi 2 décembre 2014 16:01:03 UTC+1, Mickae1 a écrit : > > your answer : > > > http://hipstercircuits.com/enable-spi-with-device-tree-on-beaglebone-black-copy-paste/ > > Enjoy, > > Le Tue Dec 02 2014 at 15:58:53, <[email protected] <javascript:>> a > écrit : > >> Hi, >> >> I have to connect 2 lcd on a BBB via SPI interfaces (I use fbtft driver). >> I can only use SPI0 because SPI1 pins are used by I2C for cape eeprom. >> The problem is that SPI0 has only one CS pin. Is it possible to tell the >> SPI driver to use a GPIO pin as another CS line ? >> Am I forced to write a full driver to emulate CS with a GPIO pin ? >> >> Thanks in advance for your help. >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
