Hi,

We are bringing up touchscreen controller tsc2004 with spectrum digital DM365. Backlight is on, but we don't see video or image.
Not sure, what could be the problem. Here is some info, which might be useful.

Here is some info that may help to identify the issue:

boot args....
setenv bootargs console=ttyS0,115200n8 noinitrd rw mem=60M video=davincifb:vid0=OFF:vid1=OFF:osd0=720x480x16,4050K dm365_imp.oper_mode=0 davinci_capture.device_type=4 vpfe_capture.cont_bufsize=6291456 davinci_enc_mngr.ch0_output=LCD davinci_enc_mngr.ch0_mode=720x480 root=/dev/nfs nfsroot=192.168.1.100:/home/dvsdk/targetfs ip=dhcp


dmesg dump...

tsc2004_init_irq: failed to TSC2004 IRQ GPIO: -16
tsc2004 1-0049: irq 44 busy?
tsc2004: probe of 1-0049 failed with error -16

davincifb davincifb.0: dm_osd0_fb: Initial window configuration is invalid.
davincifb davincifb.0: dm_osd0_fb: 720x480x16@0,0 with framebuffer size 4050KB
davincifb davincifb.0: dm_vid0_fb: 0x0x16@0,0 with framebuffer size 900KB
davincifb davincifb.0: dm_osd1_fb: 640x480x4@0,0 with framebuffer size 600KB
davincifb davincifb.0: dm_vid1_fb: 0x0x16@0,0 withebuffer size 900KB

fbset...

mode "720x480"
    geometry 720 480 720 480 16
    timings 0 85 70 32 11 9 9
    bcast true
    rgba 5/11,6/5,5/0,0/0
endmode

Please help us to debug the issue or points us the right doc.

BR.