[PATCH 4/5] arm64: dts: rockchip: Add verisilicon IOMMU node on RK3588
Benjamin Gaignard
benjamin.gaignard at collabora.com
Mon Jun 16 07:55:52 PDT 2025
Add the device tree node for the Verisilicon IOMMU present in the RK3588 SoC.
This IOMMU handles address translation for the VPU hardware blocks.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard at collabora.com>
---
arch/arm64/boot/dts/rockchip/rk3588-base.dtsi | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-base.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-base.dtsi
index 70f03e68ba55..20af8d461c69 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-base.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-base.dtsi
@@ -1263,6 +1263,17 @@ av1d: video-codec at fdc70000 {
clock-names = "aclk", "hclk";
power-domains = <&power RK3588_PD_AV1>;
resets = <&cru SRST_A_AV1>, <&cru SRST_P_AV1>, <&cru SRST_A_AV1_BIU>, <&cru SRST_P_AV1_BIU>;
+ iommus = <&av1d_mmu>;
+ };
+
+ av1d_mmu: iommu at fdca0000 {
+ compatible = "verisilicon,iommu";
+ reg = <0x0 0xfdca0000 0x0 0x600>;
+ interrupts = <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH 0>;
+ clocks = <&cru ACLK_AV1>, <&cru PCLK_AV1>;
+ clock-names = "aclk", "iface";
+ #iommu-cells = <0>;
+ power-domains = <&power RK3588_PD_AV1>;
};
vop: vop at fdd90000 {
--
2.43.0
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