Banan PI R1/Lamobo R1 DTS difference

Hello.
 
Can someone explain which dtb/dts I should use for R1?
 
With sun7i-a20-lamobo-r1.dtb kernels 4.4.1/4.4.4 disable SATA power when boot and sata subsystem fills log with errors:
-- snip --
[   24.054170] ata1: SATA link down (SStatus 0 SControl 310)
[   24.059664] ata1: EH complete
[   24.337429] ata1: exception Emask 0x10 SAct 0x0 SErr 0x4000000 action 0xe frozen
[   24.344944] ata1: irq_stat 0x00000040, connection status changed
[   24.350962] ata1: SError: { DevExch }
[   24.354701] ata1: limiting SATA link speed to 1.5 Gbps
[   24.359859] ata1: hard resetting link
[   25.544101] ata1: SATA link down (SStatus 0 SControl 310)
[   25.549573] ata1: EH complete
[   25.828410] ata1: exception Emask 0x10 SAct 0x0 SErr 0x4000000 action 0xe frozen
[   25.835892] ata1: irq_stat 0x00000040, connection status changed
[   25.841908] ata1: SError: { DevExch }
[   25.845639] ata1: limiting SATA link speed to 1.5 Gbps
[   25.850791] ata1: hard resetting link
[   27.004091] ata1: SATA link down (SStatus 0 SControl 310)
[   27.009545] ata1: EH complete
-- snip --
 
with sun7i-a20-bananapi-r1.dtb - (without ahci-5v regulator) SATA power remains active and disc correctly recognized.