[PATCH v3 4/5] arm64: dts: rockchip: Add verisilicon IOMMU node on RK3588
From: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Date: 2025-06-19 13:12:41
Also in:
linux-devicetree, linux-iommu, linux-rockchip, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
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@collabora.com> --- changes in version 3: - Update DT to use "rockchip,rk3588-iommu-1.2" compatible 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..ab97f06eea74 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@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@fdca0000 { + compatible = "verisilicon,iommu","rockchip,rk3588-iommu-1.2"; + reg = <0x0 0xfdca0000 0x0 0x600>; + interrupts = <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH 0>; + clocks = <&cru ACLK_AV1>, <&cru PCLK_AV1>; + clock-names = "core", "iface"; + #iommu-cells = <0>; + power-domains = <&power RK3588_PD_AV1>; }; vop: vop@fdd90000 {
--
2.43.0