arm64: dts: rockchip: Add verisilicon IOMMU node on RK3588

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>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-base.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-base.dtsi
index 4fb8888c281c8c7ce31e90e91abe1fd703804dd2..b78347a83ed99bf91692454b156def7d7db313fc 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3588-base.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-base.dtsi
@@ -1428,6 +1428,17 @@
                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 = "rockchip,rk3588-av1-iommu", "verisilicon,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 {