MIPI_DSI_DCDC - DB410 schematic versus datasheet

custom_board

#1

In qualcomm snapdragon410e device spec pdf, pad AB7 is MIPI_DSI_LDO
while in the dragonboard410 schematic pdf, AB7 is MIPI_DSI_DCDC: it looks like a buck (not a ldo).
What’s the truth?
In my custom board, I have 0V at MIPI_DSI_DCDC, hence my question

Thank you