内核启动异常。报错：omap_i2c omap_i2c.2: controller timed out
做项目，使用了ok335xd的核心板，自己花的底板，启动linux内核的时候卡住了串口一直输出：omap_i2c omap_i2c.2: controller timed out [ 3.070327] input: ft5x0x_ts as /devices/virtual/input/input1
[ 4.230119] omap_i2c omap_i2c.2: controller timed out
[ 4.235440] msg ft5x0x_read_reg i2c read error: -110
[ 5.239926] omap_i2c omap_i2c.2: controller timed out
[ 5.259931] msg ft5x0x_read_reg i2c read error: -110
[ 6.259929] omap_i2c omap_i2c.2: controller timed out
[ 6.279935] msg ft5x0x_read_reg i2c read error: -110
[ 6.286096] rtc-ds1307: probe of 1-0068 failed with error -5
[ 6.292078] Linux video capture inte**ce: v2.00
[ 6.297210] usbcore: registered new inte**ce driver uvcvideo
[ 6.303227] USB Video Class driver (1.1.1)
[ 7.299932] omap_i2c omap_i2c.2: controller timed out
[ 8.299930] omap_i2c omap_i2c.2: controller timed out
[ 9.319924] omap_i2c omap_i2c.2: controller timed out
[ 10.339925] omap_i2c omap_i2c.2: controller timed out
[ 11.359924] omap_i2c omap_i2c.2: controller timed out
[ 12.379922] omap_i2c omap_i2c.2: controller timed out
[ 13.399924] omap_i2c omap_i2c.2: controller timed out
[ 14.419924] omap_i2c omap_i2c.2: controller timed out
[ 14.440790] OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec
[ 14.447121] Bluetooth: HCI UART driver ver 2.2
[ 14.451788] Bluetooth: HCI H4 protocol initialized
[ 14.456780] Bluetooth: HCILL protocol initialized
[ 14.462598] cpuidle: using governor ladder
[ 14.467018] cpuidle: using governor menu
[ 14.475561] usbcore: registered new inte**ce driver usbhid
[ 14.481426] usbhid: USB HID core driver
[ 14.485925] logger: created 256K log 'log_main'
[ 14.491081] logger: created 256K log 'log_events'
[ 14.496111] logger: created 256K log 'log_radio'
[ 14.501084] logger: created 256K log 'log_system'
[ 14.506636] tiadc tiadc: attached adc driver
[ 14.511709] usbcore: registered new inte**ce driver snd-usb-audio
[ 15.509935] omap_i2c omap_i2c.2: controller timed out
[ 15.515261] _regulator_get: 2-001b supply IOVDD not found, using dummy regulator
[ 15.523069] _regulator_get: 2-001b supply DVDD not found, using dummy regulator
[ 15.530754] _regulator_get: 2-001b supply AVDD not found, using dummy regulator
[ 15.538414] _regulator_get: 2-001b supply DRVDD not found, using dummy regulator
[ 15.549052] asoc: tlv320aic3x-hifi <-> davinci-mcasp.1 mapping ok
[ 16.549940] omap_i2c omap_i2c.2: controller timed out
[ 17.549926] omap_i2c omap_i2c.2: controller timed out
[ 18.569926] omap_i2c omap_i2c.2: controller timed out
[ 19.589923] omap_i2c omap_i2c.2: controller timed out
[ 20.609925] omap_i2c omap_i2c.2: controller timed out
[ 21.629922] omap_i2c omap_i2c.2: controller timed out
[ 22.649924] omap_i2c omap_i2c.2: controller timed out
[ 23.669922] omap_i2c omap_i2c.2: controller timed out
[ 24.689922] omap_i2c omap_i2c.2: controller timed out
[ 25.709921] omap_i2c omap_i2c.2: controller timed out
[ 26.729923] omap_i2c omap_i2c.2: controller timed out
[ 27.749921] omap_i2c omap_i2c.2: controller timed out
[ 28.769922] omap_i2c omap_i2c.2: controller timed out
[ 29.789922] omap_i2c omap_i2c.2: controller timed out
[ 30.809922] omap_i2c omap_i2c.2: controller timed out
[ 31.829923] omap_i2c omap_i2c.2: controller timed out 你可可看看你的i2c总线上拉没有，我出现过这个问题，就是两条线没有上拉
楼主看下是不是原来IIC总线上的设备你给去掉了，但是驱动没有去掉啊，这个一般是做底板时去掉了音频模块，但是音频驱动没有去掉引起的
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