On Thu, Aug 31, 2017 at 8:24 PM, Jacek Radzikowski <[email protected]> wrote: > Hello, > > I've got a Ti DLP module and I'm trying to make it display an image from > BBBW. I updated the kernel, first to 4.4.84-ti-r120, then to 4.9.45-ti-r57. > OS packages were updated to the most recent versions. I followed the > instructions from EVM user guide, but unfortunately the projector stays > dark, and does not respond to i2cset. > With kernel 4.9.45-ti-r57 I find in boot log the following messages: > [ 2.839168] bone_capemgr bone_capemgr: Baseboard: > 'A335BNLT,BWA5,1645BBWG0580' > [ 2.839198] bone_capemgr bone_capemgr: > compatible-baseboard=ti,beaglebone-black - #slots=4 > [ 2.864483] bone_capemgr bone_capemgr: slot #0: No cape found > [ 2.895477] bone_capemgr bone_capemgr: slot #1: No cape found > [ 2.928171] bone_capemgr bone_capemgr: slot #2: No cape found > [ 2.958030] bone_capemgr bone_capemgr: slot #3: > 'DLPDLCR2000,00A0,TI,DLPDLCR2000' > [ 2.965936] bone_capemgr bone_capemgr: initialized OK. > [ 2.967921] cpufreq: cpufreq_online: CPU0: Running at unlisted freq: > 1000000 KHz > [ 2.967969] cpu cpu0: dev_pm_opp_set_rate: failed to find current OPP for > freq 1000000000 (-34) > [ 2.980996] pinctrl-single 44e10800.pinmux: pin PIN40 already requested > by 0-0070; cannot claim for panel > [ 2.981007] pinctrl-single 44e10800.pinmux: pin-40 (panel) status -22 > [ 2.981015] pinctrl-single 44e10800.pinmux: could not request pin 40 > (PIN40) from group pinmux_bb_lcd_lcd_pins on device pinctrl-single > [ 2.981022] panel panel: Error applying setting, reverse things back > [ 2.981051] panel: probe of panel failed with error -22 > [ 2.982055] bone_capemgr bone_capemgr: slot #3: dtbo > 'DLPDLCR2000-00A0.dtbo' loaded; overlay id #0 > > Capemanager loaded only the display overlay: > root@beaglebone:~# cat /sys/devices/platform/bone_capemgr/slots > 0: PF---- -1 > 1: PF---- -1 > 2: PF---- -1 > 3: P---L- 0 DLPDLCR2000,00A0,TI,DLPDLCR2000 > > i2cset fails with write error: > root@beaglebone:/opt/scripts/tools# i2cset -y 2 0x1b 0x0b 0x00 0x00 0x00 > 0x00 i > Error: Write failed > > To make sure that no overlays interfere with operation of the display, I > disabled the universal cape in uEnv.txt, but it did not help. > > The module is powered from an external 5V power supply and displays test > image when powered on without BBBW. > Full boot log is attached.
For this cape, you need to use u-boot overlays: http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#U-Boot_Overlays they also have some init scripts under /opt/scripts/ i finally picked up the cape, so i'll have more documented tomorrow.. Regards, -- Robert Nelson https://rcn-ee.com/ -- 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]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CAOCHtYhs-wKpshEA76SVG8Y-x46NrK6K9AgG%3DZdaMn4mWi3OqQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
