Linux/AM3358: Linux/AM3358

raji a

Prodigy 210 points

Part Number: AM3358

Tool/software: Linux

I am Using Meta-ti layer for my custom design project .

Please tell me how to use gpio as wakeup source ? And whatare the modifications needs to do in kernel ?

gpio0_2 export in sysfs ,there is no wakeup property in /sys/class/gpio2/power/

over 8 years ago

0 Pavel Botev over 8 years ago

TI__Guru**** 170625 points

Hi Raja,

Which linux kernel version you are using?

In more recent kernels (3.x, 4.x), GPIO wakeup is configured in DTS files. See below e2e threads for more info:

e2e.ti.com/.../2106952
e2e.ti.com/.../2101899

Regards,
Pavel

0 raji a over 8 years ago in reply to Pavel Botev

Prodigy 210 points

Hi Pavel

I am using 4.9.13 kernel .. I have configured gpiokeys in days as you mentioned in the above link .. In standby and suspend to memory mode , gpiokeys Wakeup is not working..

Can you explain where the problem is?

Regards

Raji

0 Pavel Botev over 8 years ago in reply to raji a

TI__Guru**** 170625 points

Raja,

raji a said:
I am using 4.9.13 kernel

This version is not testes and officially not supported.

Please use 4.4.32 that comes with the latest AM335x TI PSDK 3.2

Regards,
Pavel

Processors

Processors forum

Linux/AM3358: Linux/AM3358