Hi, Is there any resolution about this ? Since I'm having the same consideration
Thanks ! On Wednesday, November 4, 2015 at 4:15:23 PM UTC+2, [email protected] wrote: > > Hi, > > I'm trying to setup SPI slave mode with same above method and > changed OMAP2_MCSPI_MODULCTRL_MS set to 0 for slave mode. > > i'm facing issue in master mode and slave both on sckl pin configuration. > > http://elinux.org/BeagleBone_Black_Enable_SPIDEV in this link why sckl > pin is configured as INPUT 0x33 but it will work with same configuration if > i change it to OUTPUT it doesn't work with any slave device and no clock on > that pin. > > Please anyone clarify this doubt and issues. > > For slave mode i tried to change OMAP2_MCSPI_MODULCTRL_MS bit in driver > file spi_omap2_mcspi.c but no use. still its master only. > > Please provide any suggestion or exact procedure. > > Thank you in advance. > > Regard s > Ravi > > On Thursday, September 18, 2014 at 5:45:47 AM UTC+5:30, [email protected] > wrote: >> >> >> I am having issues with SPI between two BBB that may be simple to solve. >> I have spidev_test loopback working on each board but am having problems >> connecting the two. >> >> spi0 master dts: >> 0x150 0x10 /* spi0_sclk, OUTPUT_PULLUP | MODE0 */ >> 0x154 0x30 /* spi0_d0, INPUT_PULLUP | MODE0 */ >> 0x158 0x10 /* spi0_d1, OUTPUT_PULLUP | MODE0 */ >> 0x15c 0x10 /* spi0_cs0, OUTPUT_PULLUP | MODE0 */ >> >> spi slave dts: >> 0x150 0x30 /* spi0_sclk, INPUT_PULLUP | MODE0 */ >> 0x154 0x10 /* spi0_d0, OUTPUT_PULLUP | MODE0 */ >> 0x158 0x30 /* spi0_d1, INPUT_PULLUP | MODE0 */ >> 0x15c 0x30 /* spi0_cs0, INPUT_PULLUP | MODE0 */ >> >> >> The oscilloscope shows activity when spi0_sckl (P9_17) is not connected >> but nothing when P9_17 is connected between both boards. >> I am sending bytes from master with the command: echo 1 > /dev/spidev1.0 >> >> I need 4-8mbit/sec transfer, is this achievable by bit banging over GPIO >> and would that be a viable alternative to getting SPI working? >> >> -- 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.
