[PATCH 3/3] arm64: dts: imx95: Add iommus property and enable SMMU

Peng Fan (OSS) peng.fan at oss.nxp.com
Thu Apr 9 05:00:03 PDT 2026


From: Peng Fan <peng.fan at nxp.com>

Add iommus property for SDHC and EDMA
Enable SMMU by default.

Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 arch/arm64/boot/dts/freescale/imx95.dtsi | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx95.dtsi b/arch/arm64/boot/dts/freescale/imx95.dtsi
index 3e35c956a4d7af88310b3dfaef7e3d064f530e07..adcc0e1d3696b93250ab97fcac7c181b187d3d10 100644
--- a/arch/arm64/boot/dts/freescale/imx95.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx95.dtsi
@@ -777,6 +777,7 @@ edma3: dma-controller at 42210000 {
 					     <GIC_SPI 287 IRQ_TYPE_LEVEL_HIGH>;
 				clocks = <&scmi_clk IMX95_CLK_BUSWAKEUP>;
 				clock-names = "dma";
+				iommus = <&smmu 0x0>;
 			};
 
 			mu7: mailbox at 42430000 {
@@ -1242,6 +1243,7 @@ usdhc1: mmc at 42850000 {
 				bus-width = <8>;
 				fsl,tuning-start-tap = <1>;
 				fsl,tuning-step = <2>;
+				iommus = <&smmu 0x1>;
 				status = "disabled";
 			};
 
@@ -1259,6 +1261,7 @@ usdhc2: mmc at 42860000 {
 				bus-width = <4>;
 				fsl,tuning-start-tap = <1>;
 				fsl,tuning-step = <2>;
+				iommus = <&smmu 0x2>;
 				status = "disabled";
 			};
 
@@ -1276,6 +1279,7 @@ usdhc3: mmc at 428b0000 {
 				bus-width = <4>;
 				fsl,tuning-start-tap = <1>;
 				fsl,tuning-step = <2>;
+				iommus = <&smmu 0x3>;
 				status = "disabled";
 			};
 		};
@@ -1768,7 +1772,6 @@ smmu: iommu at 490d0000 {
 					     <GIC_SPI 326 IRQ_TYPE_EDGE_RISING>;
 				interrupt-names = "eventq", "gerror", "priq", "cmdq-sync";
 				#iommu-cells = <1>;
-				status = "disabled";
 			};
 
 			pmu at 490d2000 {

-- 
2.37.1




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