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LibreELEC.tv/packages/linux/patches/rockchip/rockchip-0036-FROMLIST-v7-arm64-dts-rockchip-Add-verisilicon-IOMMU.patch
Christian Hewitt 5b2b97c29c linux: update rockchip to Linux 6.17-rc6
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
2025-09-16 15:18:29 +00:00

41 lines
1.4 KiB
Diff

From 673ae7d301fcfa6707a92b3346f96e119d86857e Mon Sep 17 00:00:00 2001
From: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Date: Mon, 25 Aug 2025 17:34:44 +0200
Subject: [PATCH 036/110] FROMLIST(v7): 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>
---
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 56bf903eb04f..3bd1b5e3b101 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-base.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-base.dtsi
@@ -1418,6 +1418,17 @@ 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 = "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 {
--
2.34.1