Commit 55c7c062 authored by Nicolas Saenz Julienne's avatar Nicolas Saenz Julienne Committed by Florian Fainelli
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ARM: dts: bcm283x: Fix vc4's firmware bus DMA limitations

The bus is virtual and devices have to inherit their DMA constraints
from the underlying interconnect. So add an empty dma-ranges property to
the bus node, implying the firmware bus' DMA constraints are identical to
its parent's.

Fixes: 7dbe8c62

 ("ARM: dts: Add minimal Raspberry Pi 4 support")
Signed-off-by: default avatarNicolas Saenz Julienne <>
Signed-off-by: default avatarFlorian Fainelli <>
parent 6687c201
......@@ -15,6 +15,7 @@ soc {
firmware: firmware {
compatible = "raspberrypi,bcm2835-firmware", "simple-bus";
mboxes = <&mailbox>;
power: power {
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