0.7.8 Linux release from ayufan for Rock64

[mcerveny]

Code:

root@rock64:~# i2cdetect -y 0
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
00:          03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 
10: 10 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 
20: 20 21 22 23 24 25 26 27 28 29 2a 2b 2c 2d 2e 2f 
30: -- -- -- -- -- -- -- -- 38 39 3a 3b 3c 3d 3e 3f 
40: 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f 
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
60: 60 61 62 63 64 65 66 67 68 69 6a 6b 6c 6d 6e 6f 
70: 70 71 72 73 74 75 76 77

• Check I2C bus and protocol description.
  
• Check ROCK64 schema.
  
• Check your gadget (Schema is missing, I hope that it is using 3.3V not 5V).
  
• Check "i2cdetect" output.
  
• Something is missing or wrong ? Yes, pullup resistors are missing on I2C0_SDA/I2C0_SCL (to 3.3V not 5V).