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Linux/AM5718: Device tree changes for ADv7611 support

Arpita Jena
Expert 1055 points

Part Number: AM5718

Tool/software: Linux

Hiii All,

We have a custom board of AM5718 where the HDMI (from DSP) output goes to ADv7611.The reset of  ADv7611 is connected to the RESET OUT (F23) of DSP. How can we add the reset details of ADv7611 to the dts node ?

Linux Version : linux-4.14.67+gitAUTOINC+d315a9bb00-gd315a9bb00

SDK Version : ti-processor-sdk-linux-am57xx-evm-05.01.00.11

Thanks and Regards

Arpita Jena

  • 0
    TI__Guru**** 161600 points

    Hi,

    I'll take a look at this and update.


    Best Regards,
    Yordan

  • 0 in reply to Yordan Kovachev
    TI__Guru**** 161600 points

    Hi,

    In your case you use resetoutn to reset your adv7611 (NOTE that I've not read the adv7611 datasheet and am not aware how this device should be connected to the SoC), so generally speaking this pin asserts low in response to any global reset condition on the device, in this case I don't see the need to add details about it in your dts node. If you still wish to add this reset source in the dts take a look at this guide:
     

    If you wish to control the reset from a driver, you should use gpio as reset for the adv7611 device.

    Best Regards,
    Yordan