linux-kernel - [PATCH v5 04/10] arm64: dts: socfpga: agilex5: smmu enablement

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Message-Id: <20251024-v6-12-topic-socfpga-agilex5-v5-4-4c4a51159eeb@pengutronix.de>
Date: Fri, 24 Oct 2025 13:49:56 +0200
From: Steffen Trumtrar <s.trumtrar@...gutronix.de>
To: Andrew Lunn <andrew+netdev@...n.ch>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Dinh Nguyen <dinguyen@...nel.org>, 
 Maxime Chevallier <maxime.chevallier@...tlin.com>, 
 Maxime Coquelin <mcoquelin.stm32@...il.com>, 
 Alexandre Torgue <alexandre.torgue@...s.st.com>, 
 Matthew Gerlach <matthew.gerlach@...era.com>
Cc: kernel@...gutronix.de, netdev@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-stm32@...md-mailman.stormreply.com, 
 linux-arm-kernel@...ts.infradead.org, 
 Steffen Trumtrar <s.trumtrar@...gutronix.de>, 
 Austin Zhang <austin.zhang@...el.com>, 
 Adrian Ng Ho Yin <adrian.ho.yin.ng@...el.com>
Subject: [PATCH v5 04/10] arm64: dts: socfpga: agilex5: smmu enablement

From: Austin Zhang <austin.zhang@...el.com>

Add iommu property for peripherals connected to TBU.

Signed-off-by: Adrian Ng Ho Yin <adrian.ho.yin.ng@...el.com>
Signed-off-by: Steffen Trumtrar <s.trumtrar@...gutronix.de>
---
 arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi b/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
index 4f7ed20749927..4ccfebfd9d322 100644
--- a/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
+++ b/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
@@ -303,6 +303,7 @@ nand: nand-controller@...80000 {
 			interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&clkmgr AGILEX5_NAND_NF_CLK>;
 			cdns,board-delay-ps = <4830>;
+			iommus = <&smmu 4>;
 			status = "disabled";
 		};

@@ -329,6 +330,7 @@ dmac0: dma-controller@...b0000 {
 			snps,block-size = <32767 32767 32767 32767>;
 			snps,priority = <0 1 2 3>;
 			snps,axi-max-burst-len = <8>;
+			iommus = <&smmu 8>;
 		};

 		dmac1: dma-controller@...c0000 {
@@ -346,6 +348,7 @@ dmac1: dma-controller@...c0000 {
 			snps,block-size = <32767 32767 32767 32767>;
 			snps,priority = <0 1 2 3>;
 			snps,axi-max-burst-len = <8>;
+			iommus = <&smmu 9>;
 		};

 		rst: rstmgr@...11000 {
@@ -468,6 +471,7 @@ usb0: usb@...00000 {
 			reset-names = "dwc2", "dwc2-ecc";
 			clocks = <&clkmgr AGILEX5_USB2OTG_HCLK>;
 			clock-names = "otg";
+			iommus = <&smmu 6>;
 			status = "disabled";
 		};

@@ -553,6 +557,7 @@ gmac0: ethernet@...10000 {
 			snps,tso;
 			altr,sysmgr-syscon = <&sysmgr 0x44 0>;
 			snps,clk-csr = <0>;
+			iommus = <&smmu 1>;
 			status = "disabled";

 			stmmac_axi_emac0_setup: stmmac-axi-config {
@@ -665,6 +670,7 @@ gmac1: ethernet@...20000 {
 			snps,tso;
 			altr,sysmgr-syscon = <&sysmgr 0x48 0>;
 			snps,clk-csr = <0>;
+			iommus = <&smmu 2>;
 			status = "disabled";

 			stmmac_axi_emac1_setup: stmmac-axi-config {
@@ -777,6 +783,7 @@ gmac2: ethernet@...30000 {
 			snps,tso;
 			altr,sysmgr-syscon = <&sysmgr 0x4c 0>;
 			snps,clk-csr = <0>;
+			iommus = <&smmu 3>;
 			status = "disabled";

 			stmmac_axi_emac2_setup: stmmac-axi-config {

-- 
2.51.0