diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c
index 3827997d21328e..dc903b846b1bf4 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0-only
+#include <linux/iommu.h>
 #include <linux/platform_device.h>
 #include <linux/of.h>
 #include <linux/module.h>
@@ -19,6 +20,8 @@ struct tegra_mgbe {
 	struct reset_control *rst_mac;
 	struct reset_control *rst_pcs;
 
+	u32 iommu_sid;
+
 	void __iomem *hv;
 	void __iomem *regs;
 	void __iomem *xpcs;
@@ -50,7 +53,6 @@ struct tegra_mgbe {
 #define MGBE_WRAP_COMMON_INTR_ENABLE	0x8704
 #define MAC_SBD_INTR			BIT(2)
 #define MGBE_WRAP_AXI_ASID0_CTRL	0x8400
-#define MGBE_SID			0x6
 
 static int __maybe_unused tegra_mgbe_suspend(struct device *dev)
 {
@@ -84,7 +86,7 @@ static int __maybe_unused tegra_mgbe_resume(struct device *dev)
 	writel(MAC_SBD_INTR, mgbe->regs + MGBE_WRAP_COMMON_INTR_ENABLE);
 
 	/* Program SID */
-	writel(MGBE_SID, mgbe->hv + MGBE_WRAP_AXI_ASID0_CTRL);
+	writel(mgbe->iommu_sid, mgbe->hv + MGBE_WRAP_AXI_ASID0_CTRL);
 
 	value = readl(mgbe->xpcs + XPCS_WRAP_UPHY_STATUS);
 	if ((value & XPCS_WRAP_UPHY_STATUS_TX_P_UP) == 0) {
@@ -241,6 +243,12 @@ static int tegra_mgbe_probe(struct platform_device *pdev)
 	if (IS_ERR(mgbe->xpcs))
 		return PTR_ERR(mgbe->xpcs);
 
+	/* get controller's stream id from iommu property in device tree */
+	if (!tegra_dev_iommu_get_stream_id(mgbe->dev, &mgbe->iommu_sid)) {
+		dev_err(mgbe->dev, "failed to get iommu stream id\n");
+		return -EINVAL;
+	}
+
 	res.addr = mgbe->regs;
 	res.irq = irq;
 
@@ -346,7 +354,7 @@ static int tegra_mgbe_probe(struct platform_device *pdev)
 	writel(MAC_SBD_INTR, mgbe->regs + MGBE_WRAP_COMMON_INTR_ENABLE);
 
 	/* Program SID */
-	writel(MGBE_SID, mgbe->hv + MGBE_WRAP_AXI_ASID0_CTRL);
+	writel(mgbe->iommu_sid, mgbe->hv + MGBE_WRAP_AXI_ASID0_CTRL);
 
 	plat->flags |= STMMAC_FLAG_SERDES_UP_AFTER_PHY_LINKUP;