Commit 74eac503 authored by Johan Hovold's avatar Johan Hovold Committed by Lorenzo Pieralisi
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dt-bindings: PCI: qcom: Allow 'dma-coherent' property 

Devices on some PCIe buses may be cache coherent and must be marked as
such in the devicetree to avoid data corruption.

This is specifically needed on recent Qualcomm platforms like SC8280XP.

Link: https://lore.kernel.org/r/20221205094530.12883-1-johan+linaro@kernel.org


Signed-off-by: default avatarJohan Hovold <johan+linaro@kernel.org>
Signed-off-by: default avatarLorenzo Pieralisi <lpieralisi@kernel.org>
Acked-by: default avatarRob Herring <robh@kernel.org>
parent c4860af8

Documentation/devicetree/bindings/pci/qcom,pcie.yaml

+2 −0
Original line number Diff line number Diff line
@@ -62,6 +62,8 @@ properties: 
    minItems: 3

    maxItems: 13



  dma-coherent: true



  interconnects:

    maxItems: 2