Re: arm64: dts: socfpga: agilex5: Add IOMMUS property for ethernet nodes

From: Dinh Nguyen
Date: Tue Dec 09 2025 - 06:57:07 EST




On 12/3/25 20:29, muhammadnazimamirul.nazleasmade@xxxxxxxxxx wrote:
From: Nazim Amirul <muhammad.nazim.amirul.nazle.asmade@xxxxxxxxxx>

To enable SMMU integration, populate the iommus property to the ethernet
device-tree node.

Signed-off-by: Nazim Amirul <muhammad.nazim.amirul.nazle.asmade@xxxxxxxxxx>
---
arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi | 3 +++
1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi b/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
index 1f5d560f97b2..06f98667499b 100644
--- a/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
+++ b/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
@@ -577,6 +577,7 @@ gmac0: ethernet@10810000 {
snps,tso;
altr,sysmgr-syscon = <&sysmgr 0x44 0>;
snps,clk-csr = <0>;
+ iommus = <&smmu 1>;
status = "disabled";
stmmac_axi_emac0_setup: stmmac-axi-config {
@@ -689,6 +690,7 @@ gmac1: ethernet@10820000 {
snps,tso;
altr,sysmgr-syscon = <&sysmgr 0x48 0>;
snps,clk-csr = <0>;
+ iommus = <&smmu 2>;
status = "disabled";
stmmac_axi_emac1_setup: stmmac-axi-config {
@@ -801,6 +803,7 @@ gmac2: ethernet@10830000 {
snps,tso;
altr,sysmgr-syscon = <&sysmgr 0x4c 0>;
snps,clk-csr = <0>;
+ iommus = <&smmu 3>;
status = "disabled";
stmmac_axi_emac2_setup: stmmac-axi-config {

Applied!

Thanks,
Dinh