From: Thierry Reding <tred...@nvidia.com>
The SMMU found on Tegra186 requires interoperation with the memory
controller in order to program stream ID overrides. The generic ARM SMMU
500 compatible is therefore inaccurate. Replace it with a more correct,
SoC-specific compatible string.
Signed-off-by: Thierry Reding <tred...@nvidia.com>
---
arch/arm64/boot/dts/nvidia/tegra186.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
index 9f75bbf00cf7..a173f40256ae 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
@@ -1082,7 +1082,7 @@ pci@3,0 {
};
smmu: iommu@12000000 {
- compatible = "arm,mmu-500";
+ compatible = "nvidia,tegra186-smmu", "nvidia,smmu-500";
reg = <0 0x12000000 0 0x800000>;
interrupts = <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
--
2.31.1
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