On Wed, 4 May 2022 20:08:22 +0200, Pali Rohár wrote:

DT law_trgt_if property defines Local Access Window Target Interface.

Local Access Window Target Interface is used for identifying individual
peripheral and mapping its memory to CPU. Interface id is defined by
hardware itself.

U-Boot uses law_trgt_if DT property in PCIe nodes for configuring memory
mapping of individual PCIe controllers.

[...]

Applied to powerpc/next.

[1/1] powerpc/85xx: P2020: Add law_trgt_if property to PCIe DT nodes
      https://git.kernel.org/powerpc/c/1f00b5ab992c122c51bc37662b3b4df5963462f3

cheers