Hello,
I've been trying to get suspend working on a BeagleBone Black with ubuntu
kernel version 3.8.13-bone68. As I understand it, in kernel 3.8 the driver
binary needs to be loaded manually after boot in the directory
/sys/devices/ocp.2/44d00000.wkup_m3/firmware/am335x-pm-firmware.bin/.
My first problem is that /sys/devices/ocp.2/44d00000.wkup_m3 didn't exist,
so I tried adding the following to the device tree file
am335x-bone-common.dtsi :
wkup_m3@44d00000 { compatible = "ti,am3353-wkup-m3"; reg = <0x44d00000
0x4000 0x44d80000 0x2000>; ti,hwmods = "wkup_m3"; ti,no-reset-on-init; };
Now /sys/devices/ocp.2/44d00000.wkup_m3/ shows up, but I don't see any
firmware directory in it, just modalias,power,subsystem, and uevent.
I tried adding the line 'ti,pm-firmware = "am335x-pm-firmware.elf";' since
I saw it in other examples, but it didn't help.
Am I missing something simple or am I totally off course here? How do I get
the firmware directory to appear? As you can probably tell I'm a bit of a
newbie with this stuff!
Thank you
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