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debian@BeagleBone:~$ dmesg | grep drm                                           
[    7.967017] [drm] Initialized tilcdc 1.0.0 20121205 for 4830e000.lcdc on min0
[    8.007182] tilcdc 4830e000.lcdc: [drm] fb0: tilcdcdrmfb frame buffer device 
[   11.559438] systemd[1]: Starting Load Kernel Module drm...                   
[   11.952162] systemd[1]: modprobe@drm.service: Succeeded.                     
[   11.981077] systemd[1]: Finished Load Kernel Module drm.                     
debian@BeagleBone:~$ dmesg | grep lcd                                           
[    0.156427] platform 4830e000.fb: Cannot lookup hwmod 'lcdc'                 
[    7.936278] tilcdc 4830e000.fb: failed to get functional clock               
[    7.942277] WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:4261 tilcdc_fini+0x6c
[    7.942426] [<c0ee84a8>] (warn_slowpath_fmt) from [<c09bb464>] (tilcdc_fini+)
[    7.942442] [<c09bb464>] (tilcdc_fini) from [<c09bb800>] (tilcdc_init.constp)
[    7.942455] [<c09bb800>] (tilcdc_init.constprop.0) from [<c09bbb6c>] (tilcdc)
[    7.942471] [<c09bbb6c>] (tilcdc_pdev_probe) from [<c09e7310>] (platform_drv)
[    7.943850] OF: graph: no port node found in /ocp/interconnect@48000000/segm0
[    7.954630] OF: graph: no port node found in /ocp/interconnect@48000000/segm0
[    7.967017] [drm] Initialized tilcdc 1.0.0 20121205 for 4830e000.lcdc on min0
[    8.007182] tilcdc 4830e000.lcdc: [drm] fb0: tilcdcdrmfb frame buffer device 
debian@BeagleBone:~$ 
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debian@BeagleBone:/sys/firmware/devicetree/base$ find . | grep -i lcd           
./__symbols__/lcd_gclk                                                          
./__symbols__/bb_lcd_pwm_backlight_pins                                         
./__symbols__/lcdc_clkctrl                                                      
./__symbols__/bb_lcd_lcd_pins                                                   
./__symbols__/lcdc                                                              
./ocp/interconnect@48000000/segment@300000/target-module@e000/lcdc@0            
./ocp/interconnect@48000000/segment@300000/target-module@e000/lcdc@0/compatible 
./ocp/interconnect@48000000/segment@300000/target-module@e000/lcdc@0/status     
./ocp/interconnect@48000000/segment@300000/target-module@e000/lcdc@0/interrupts 
./ocp/interconnect@48000000/segment@300000/target-module@e000/lcdc@0/phandle    
./ocp/interconnect@48000000/segment@300000/target-module@e000/lcdc@0/reg        
./ocp/interconnect@48000000/segment@300000/target-module@e000/lcdc@0/name       
./ocp/interconnect@44c00000/segment@200000/target-module@0/prcm@0/clocks/lcd_gc4
./ocp/interconnect@44c00000/segment@200000/target-module@0/prcm@0/clocks/lcd_gce
./ocp/interconnect@44c00000/segment@200000/target-module@0/prcm@0/clocks/lcd_gcs
./ocp/interconnect@44c00000/segment@200000/target-module@0/prcm@0/clocks/lcd_gcs
./ocp/interconnect@44c00000/segment@200000/target-module@0/prcm@0/clocks/lcd_gce
./ocp/interconnect@44c00000/segment@200000/target-module@0/prcm@0/clocks/lcd_gcg
./ocp/interconnect@44c00000/segment@200000/target-module@0/prcm@0/clocks/lcd_gct
./ocp/interconnect@44c00000/segment@200000/target-module@0/prcm@0/clocks/lcd_gce
./ocp/interconnect@44c00000/segment@200000/target-module@0/prcm@0/per-cm@0/lcdc8
./ocp/interconnect@44c00000/segment@200000/target-module@0/prcm@0/per-cm@0/lcdce
./ocp/interconnect@44c00000/segment@200000/target-module@0/prcm@0/per-cm@0/lcdcs
./ocp/interconnect@44c00000/segment@200000/target-module@0/prcm@0/per-cm@0/lcdce
./ocp/interconnect@44c00000/segment@200000/target-module@0/prcm@0/per-cm@0/lcdcg
./ocp/interconnect@44c00000/segment@200000/target-module@0/prcm@0/per-cm@0/lcdce
./ocp/interconnect@44c00000/segment@200000/target-module@10000/scm@0/pinmux@800s
./ocp/interconnect@44c00000/segment@200000/target-module@10000/scm@0/pinmux@800s
./ocp/interconnect@44c00000/segment@200000/target-module@10000/scm@0/pinmux@800e
./ocp/interconnect@44c00000/segment@200000/target-module@10000/scm@0/pinmux@800e
./ocp/interconnect@44c00000/segment@200000/target-module@10000/scm@0/pinmux@800s
./ocp/interconnect@44c00000/segment@200000/target-module@10000/scm@0/pinmux@800s
./ocp/interconnect@44c00000/segment@200000/target-module@10000/scm@0/pinmux@800e
./ocp/interconnect@44c00000/segment@200000/target-module@10000/scm@0/pinmux@800e
debian@BeagleBone:/sys/firmware/devicetree/base$ 
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