PM / OPP: add a summary tree in debugfs
On rk3399-evb-rev3 the opp_summary would for example look something like:
device rate(Hz) target(uV) min(uV) max(uV)
-------------------------------------------------------------------
platform-dmc
200000000 825000 825000 825000
300000000 850000 850000 850000
400000000 850000 850000 850000
528000000 900000 900000 900000
600000000 900000 900000 900000
800000000 900000 900000 900000
platform-
ff9a0000.gpu
200000000 800000 800000 800000
297000000 800000 800000 800000
400000000 825000 825000 825000
500000000 875000 875000 875000
600000000 925000 925000 925000
800000000 1100000 1100000 1100000
cpu4
408000000 800000 800000 800000
600000000 800000 800000 800000
816000000 800000 800000 800000
1008000000 850000 850000 850000
1200000000 875000 875000 875000
1416000000 975000 975000 975000
1608000000 1025000 1025000 1025000
1800000000 1125000 1125000 1125000
cpu0
408000000 800000 800000 800000
600000000 800000 800000 800000
816000000 800000 800000 800000
1008000000 850000 850000 850000
1200000000 925000 925000 925000
1416000000 1050000 1050000 1050000
Change-Id: I0d33bb84fd36d79df3c1630d98c84f1f6bc42728
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
projects / firefly-linux-kernel-4.4.55.git / commit