At present this property is a phandle but does not have a #xxx-cells property to match it. Add one so that is works the same as gpio and clock phandles.
Signed-off-by: Simon Glass <s...@chromium.org> --- (no changes since v1) arch/sandbox/dts/sandbox.dtsi | 6 +++++- doc/driver-model/pci-info.rst | 1 + 2 files changed, 6 insertions(+), 1 deletion(-) Applied to u-boot-dm, thanks!