arm64: dts: fvp: Enable PCIe ATS for Base RevC FVP

Declare that the host controller supports ATS, so the OS can enable it
for ATS-capable PCIe endpoints.

Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Link: https://lore.kernel.org/r/20240607105415.2501934-5-jean-philippe@linaro.org
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/arch/arm64/boot/dts/arm/fvp-base-revc.dts b/arch/arm64/boot/dts/arm/fvp-base-revc.dts
index 60472d65a35574033dbcc0eba024d4231a738629..85f1c15cc65d06187a74d19570c6fbd0ac32e5c8 100644 (file)
--- a/arch/arm64/boot/dts/arm/fvp-base-revc.dts
+++ b/arch/arm64/boot/dts/arm/fvp-base-revc.dts
@@ -243,6 +243,7 @@
                iommu-map = <0x0 &smmu 0x0 0x10000>;
 
                dma-coherent;
+               ats-supported;
        };
 
        smmu: iommu@2b400000 {