I2C port two problem base on mx53,loco board

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I2C port two problem base on mx53,loco board

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zhangenvi
Contributor I

when hang I2C device (only one device )on the i2c port two base on mx53,loco board,i2c device address can not be changed,always 0x68.  I have checked the setting register about I2C,why?

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JerryFan
NXP Employee
NXP Employee
could you paste the waveform of the i2c signals, please?
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zhangenvi
Contributor I

talkig about audio IC device.when I cancel to hange it on I2C port,I can also get the address 0x68(not useful) by oscillograph

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daiane_angolini
NXP Employee
NXP Employee

WHat is the device you´re talking about?

 

Can you find its driver source code?

 

Some time ago, I saw some i2c device driver where the i2c address was hardcoded.

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