Hell, Thanks for the response. Seems like spidev available on both systems.
For sys1 (beaglebone+LCD) debian@beaglebone:~$ lsmod Module Size Used by omap_aes_driver 23912 0 omap_sham 26513 0 omap_rng 5544 0 rng_core 9066 1 omap_rng tilcdc 31597 0 ti_am335x_tsc 6268 0 ti_am335x_tscadc 6563 1 ti_am335x_tsc evdev 13511 0 uio_pdrv_genirq 3923 0 uio 10524 1 uio_pdrv_genirq 8021q 23043 0 garp 7049 1 8021q mrp 8967 1 8021q stp 2430 1 garp llc 5903 2 stp,garp usb_f_mass_storage 49849 2 usb_f_acm 8361 2 u_serial 13753 1 usb_f_acm usb_f_ecm 11064 2 usb_f_rndis 25865 2 u_ether 14349 2 usb_f_ecm,usb_f_rndis libcomposite 53618 16 usb_f_acm,usb_f_ecm,usb_f_rndis,usb_f_mass_storage spidev 8860 0 tieqep 9981 0 pwm_tiehrpwm 5883 1 pru_rproc 15431 0 pruss_intc 8603 1 pru_rproc pruss 12090 1 pru_rproc for sys2 (beaglebone only): debian@beaglebone:~$ lsmod Module Size Used by snd_soc_hdmi_codec 6738 1 ti_am335x_adc 6364 0 kfifo_buf 3732 1 ti_am335x_adc industrialio 62863 2 ti_am335x_adc,kfifo_buf snd_soc_simple_card 9812 0 omap_aes_driver 23912 0 omap_sham 26513 0 pwm_tiecap 4571 0 omap_rng 5544 0 rng_core 9066 1 omap_rng tilcdc 31597 0 c_can_platform 7581 0 c_can 12220 1 c_can_platform can_dev 14358 1 c_can snd_soc_davinci_mcasp 20606 2 snd_soc_edma 1290 1 snd_soc_davinci_mcasp snd_soc_omap 3762 1 snd_soc_davinci_mcasp snd_soc_core 190453 5 snd_soc_hdmi_codec,snd_soc_davinci_mcasp,snd_soc_edma,snd_soc_omap,snd_soc_simple_card snd_pcm_dmaengine 5894 2 snd_soc_core,snd_soc_omap snd_pcm 104314 5 snd_soc_hdmi_codec,snd_soc_davinci_mcasp,snd_soc_core,snd_soc_omap,snd_pcm_dmaengine snd_timer 24761 1 snd_pcm snd 72473 3 snd_soc_core,snd_timer,snd_pcm soundcore 8661 1 snd spi_omap2_mcspi 12952 0 tda998x 15704 0 evdev 13511 4 ti_am335x_tsc 6268 0 ti_am335x_tscadc 6563 2 ti_am335x_adc,ti_am335x_tsc uio_pdrv_genirq 3923 0 uio 10524 1 uio_pdrv_genirq 8021q 23043 0 garp 7049 1 8021q mrp 8967 1 8021q stp 2430 1 garp llc 5903 2 stp,garp usb_f_mass_storage 49849 2 usb_f_acm 8361 2 u_serial 13753 3 usb_f_acm usb_f_ecm 11064 2 usb_f_rndis 25865 2 u_ether 14349 2 usb_f_ecm,usb_f_rndis libcomposite 53618 16 usb_f_acm,usb_f_ecm,usb_f_rndis,usb_f_mass_storage spidev 8860 0 tieqep 9981 0 pwm_tiehrpwm 5883 0 pru_rproc 15431 0 pruss_intc 8603 1 pru_rproc pruss 12090 1 pru_rproc Thanks Gaurav On Tuesday, May 9, 2017 at 12:19:50 PM UTC-5, William Hermans wrote: > > > > On Tue, May 9, 2017 at 10:16 AM, Gaurav S <gaurav....@gmail.com > <javascript:>> wrote: > >> Hello All, >> With LCD, it seems like SPI is behaving awkwardly. I have two beagle bone >> boards one with LCD plugged in (SYS1) and the other stand alone beagle bone >> (SYS2), both running latest debian lxqt 2gb image (may 7 2017). The curious >> thing over here is that before u-boot spi was working just fine with the >> LCD. >> >> Following are the results from each of the systems: >> >> SYS1 (beaglebone + LCD4) >> >> debian@beaglebone:~$ uname -a >> Linux beaglebone 4.4.62-ti-r99 #1 SMP Sat Apr 22 14:21:03 UTC 2017 armv7l >> GNU/Linux >> debian@beaglebone:~$ dmesg | grep bone >> [ 0.000000] Kernel command line: console=ttyO0,115200n8 >> bone_capemgr.enable_partno=BB-SPIDEV1 bone_capemgr.uboot_capemgr_enabled=1 >> root=UUID=e4c7e2e7-0fbf-494c-8d84-305d291d2b7a ro rootfstype=ext4 rootwait >> coherent_pool=1M net.ifnames=0 quiet >> [ 2.376478] bone_capemgr bone_capemgr: Baseboard: >> 'A335BNLT,00C0,2516BBBK2265' >> [ 2.376509] bone_capemgr bone_capemgr: >> compatible-baseboard=ti,beaglebone-black - #slots=4 >> [ 2.376544] bone_capemgr bone_capemgr: slot #0: auto loading handled >> by U-Boot >> [ 2.376566] bone_capemgr bone_capemgr: slot #1: auto loading handled >> by U-Boot >> [ 2.376587] bone_capemgr bone_capemgr: slot #2: auto loading handled >> by U-Boot >> [ 2.376629] bone_capemgr bone_capemgr: slot #3: auto loading handled >> by U-Boot >> [ 2.376655] bone_capemgr bone_capemgr: enabled_partno PARTNO >> 'BB-SPIDEV1' VER 'N/A' PR '0' >> [ 2.376667] bone_capemgr bone_capemgr: slot #4: override >> [ 2.376681] bone_capemgr bone_capemgr: slot #4: auto loading handled >> by U-Boot >> [ 2.377276] bone_capemgr bone_capemgr: initialized OK. >> [ 6.851318] systemd[1]: Set hostname to <beaglebone>. >> debian@beaglebone:/dev$ ls sp* >> ls: cannot access sp*: No such file or directory >> >> >> >> SYS2 (stand along beagle bone) >> >> debian@beaglebone:~$ uname -a >> Linux beaglebone 4.4.62-ti-r99 #1 SMP Sat Apr 22 14:21:03 UTC 2017 armv7l >> GNU/Linux >> debian@beaglebone:~$ dmesg|grep bone >> [ 0.000000] Kernel command line: console=ttyO0,115200n8 >> bone_capemgr.enable_partno=BB-SPIDEV1 bone_capemgr.uboot_capemgr_enabled=1 >> root=UUID=599ccfe6-2803-4ea0-9141-2bb571994e70 ro rootfstype=ext4 rootwait >> coherent_pool=1M net.ifnames=0 quiet >> [ 2.445200] bone_capemgr bone_capemgr: Baseboard: >> 'A335BNLT,00C0,2516BBBK22E8' >> [ 2.445233] bone_capemgr bone_capemgr: >> compatible-baseboard=ti,beaglebone-black - #slots=4 >> [ 2.445270] bone_capemgr bone_capemgr: slot #0: auto loading handled >> by U-Boot >> [ 2.445291] bone_capemgr bone_capemgr: slot #1: auto loading handled >> by U-Boot >> [ 2.445337] bone_capemgr bone_capemgr: slot #2: auto loading handled >> by U-Boot >> [ 2.445359] bone_capemgr bone_capemgr: slot #3: auto loading handled >> by U-Boot >> [ 2.445379] bone_capemgr bone_capemgr: enabled_partno PARTNO >> 'BB-SPIDEV1' VER 'N/A' PR '0' >> [ 2.445390] bone_capemgr bone_capemgr: slot #4: override >> [ 2.445403] bone_capemgr bone_capemgr: slot #4: auto loading handled >> by U-Boot >> [ 2.446010] bone_capemgr bone_capemgr: initialized OK. >> [ 17.551299] systemd[1]: Set hostname to <beaglebone>. >> debian@beaglebone:~$ cd /dev >> debian@beaglebone:/dev$ ls sp* >> spidev1.0 spidev1.1 spidev2.0 spidev2.1 >> > > What does lsmod have to say about which drivers are loaded on each system ? > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. 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