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AM437x GP EVM Key pad buttons are not working

Yuvaraj Ragupathi
Prodigy 210 points

Hi All,

In AM437x GP EVM, only one row keypad buttons are working. Remaining two row buttons are not working.

Row GPIO pins

1. GPIO_3_21
2. GPIO_4_3
3. GPIO_4_2

Column GPIO pins

1. GPIO_3_19
2. GPIO_3_20 

We are getting IRQ for GPIO bank 3. For these reason  GPIO_3_21 key pad buttons are working. We are not getting IRQ for GPIO_4_3 and GPIO_4_2. I mean to say  IRQ is not received for GPIO Bank 4. For these reason remaining 4 buttons are not working.

SW4 -- working

SW5 -- Not working

SW6 - Not working

SW7 - working

SW8 - Not working

SW9 - not working.

I found this issue with both Linux SDK( kernel version 3.12) and row-boat  android 4.3.  In both cases only SW4 and SW7 button  is working. Remaining 4 buttons are not working.

Also I cross checked with Diagnostic software. there all the key pad buttons are working.

Does anybody face same issue  on AM437X GP EVM?

Regards,

Yuvaraj