On Mon, Nov 24, 2014 at 5:28 AM, Bremenpl <breme...@gmail.com> wrote: > Some update on the progress: > I figured out that I have switched SDA and SCL lines for the monitor > connection through HDMI. I have flipped that to proper position and I can > see additional devices on the bus: > > root@beaglebone:~# i2cdetect -y -r 1 > 0 1 2 3 4 5 6 7 8 9 a b c d e f > 00: -- -- -- -- -- -- -- -- -- -- -- -- -- > 10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- > 20: 20 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- > 30: 30 -- -- -- -- -- -- 37 -- -- 3a -- -- -- -- -- > 40: -- -- -- -- -- -- -- -- -- -- 4a 4b -- -- -- -- > 50: 50 -- -- -- UU UU UU UU -- -- -- -- -- -- -- -- > 60: -- 61 -- -- -- -- -- -- 68 -- -- -- -- -- -- -- > 70: -- -- -- -- -- -- -- -- > root@beaglebone:~# > > 0x20 - I/O expander > 0x61 - external DAC > 0x68 - RTC clock > > 0x20, 0x37, 0x3a, 0x4a, 0x4b and 0x50 appear after I connect the monitor ro > hdmi connector. > > I think I have figured out that I have to put i2c = <&i2c2>; in the overlay > file, as I think it reffers to the hardware number. > > Now when I boot BeagleBone Black in the debug console I see: > > . > . > . > Starting kernel ... > > Uncompressing Linux... done, booting the kernel. > [ 0.338954] omap2_mbox_probe: platform not supported > [ 0.493953] tps65217-bl tps65217-bl: no platform data provided > [ 0.558115] bone-capemgr bone_capemgr.9: slot #0: No cape found > [ 0.595223] bone-capemgr bone_capemgr.9: slot #1: No cape found > [ 0.632332] bone-capemgr bone_capemgr.9: slot #2: No cape found > [ 0.662506] bone-capemgr bone_capemgr.9: bone: Invalid signature > '825a93cf' at slot 3 > [ 0.670687] bone-capemgr bone_capemgr.9: slot #3: No cape found > [ 0.689417] omap_hsmmc mmc.5: of_parse_phandle_with_args of 'reset' > failed > [ 0.751741] pinctrl-single 44e10800.pinmux: pin 44e10854 already > requested by 44e10800.pinmux; cannot claim for gpio-leds.8 > [ 0.763488] pinctrl-single 44e10800.pinmux: pin-21 (gpio-leds.8) status > -22 > [ 0.770796] pinctrl-single 44e10800.pinmux: could not request pin 21 on > device pinctrl-single > Loading, please wait... > systemd-fsck[210]: rootfs: clean, 21580/111104 files, 121672/444160 blocks > systemd-fsck[326]: dosfsck 3.0.13, 30 Jun 2012, FAT32, LFN > systemd-fsck[326]: /dev/mmcblk0p1: 138 files, 31622/49047 clusters > [ 6.224809] libphy: PHY 4a101000.mdio:01 not found > [ 6.229881] net eth0: phy 4a101000.mdio:01 not found on slave 1 > [ 10.703450] dummy 1-0034: Error -121 writing to cec:0xff > [ 10.740063] tda998x 1-0070: Error -121 reading from 0xa > [ 10.781054] tda998x 1-0070: Error -121 writing to 0xa > [ 10.837748] tda998x 1-0070: Error -121 reading from 0xa > [ 10.861162] tda998x 1-0070: Error -121 writing to 0xa > [ 10.917824] tda998x 1-0070: Error -121 reading from 0x1 > [ 10.941245] tda998x 1-0070: Error -121 writing to 0x1 > [ 10.972464] tda998x 1-0070: Error -121 reading from 0x1 > [ 11.003772] tda998x 1-0070: Error -121 writing to 0x1 > [ 11.029803] tda998x 1-0070: Error -121 writing to REG_CURPAGE > [ 11.065182] tda998x 1-0070: Error -121 writing to 0x200 > [ 11.095575] tda998x 1-0070: Error -121 writing to 0x201 > [ 11.128734] tda998x 1-0070: Error -121 writing to 0x202 > [ 11.165874] tda998x 1-0070: Error -121 writing to 0x203 > [ 11.189995] tda998x 1-0070: Error -121 writing to 0x204 > [ 11.217379] tda998x 1-0070: Error -121 writing to 0x205 > [ 11.230326] tda998x 1-0070: Error -121 writing to 0x20e > [ 11.242030] tda998x 1-0070: Error -121 writing to 0x211 > [ 11.253725] tda998x 1-0070: Error -121 writing to 0x207 > [ 11.260694] tda998x 1-0070: Error -121 writing to 0x208 > [ 11.271538] tda998x 1-0070: Error -121 writing to 0x209 > [ 11.284844] tda998x 1-0070: Error -121 writing to 0x20a > [ 11.294595] tda998x 1-0070: Error -121 writing to 0x206 > [ 11.305084] tda998x 1-0070: Error -121 writing to REG_CURPAGE > [ 11.313653] tda998x 1-0070: Error -121 reading from 0x0 > [ 11.319751] tda998x 1-0070: Error -121 reading from 0x2
why are you still pointing to the "tda998x" driver? https://github.com/beagleboard/linux/blob/3.8/Documentation/devicetree/bindings/drm/tilcdc/tfp410.txt#L16 Regards, -- Robert Nelson http://www.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 beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
