Thread (23 messages) 23 messages, 7 authors, 2025-10-26

Re: [PATCH v5 04/10] arm64: dts: socfpga: agilex5: smmu enablement

From: Dinh Nguyen <dinguyen@kernel.org>
Date: 2025-10-24 12:05:23
Also in: linux-devicetree, lkml, netdev


On 10/24/25 06:49, Steffen Trumtrar wrote:
quoted hunk ↗ jump to hunk
From: Austin Zhang <redacted>

Add iommu property for peripherals connected to TBU.

Signed-off-by: Adrian Ng Ho Yin <redacted>
Signed-off-by: Steffen Trumtrar <redacted>
---
  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@10b80000 {
  			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@10db0000 {
  			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@10dc0000 {
@@ -346,6 +348,7 @@ dmac1: dma-controller@10dc0000 {
  			snps,block-size = <32767 32767 32767 32767>;
  			snps,priority = <0 1 2 3>;
  			snps,axi-max-burst-len = <8>;
+			iommus = <&smmu 9>;
  		};
  
  		rst: rstmgr@10d11000 {
@@ -468,6 +471,7 @@ usb0: usb@10b00000 {
  			reset-names = "dwc2", "dwc2-ecc";
  			clocks = <&clkmgr AGILEX5_USB2OTG_HCLK>;
  			clock-names = "otg";
+			iommus = <&smmu 6>;
  			status = "disabled";
  		};
  
@@ -553,6 +557,7 @@ 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 {
@@ -665,6 +670,7 @@ 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 {
@@ -777,6 +783,7 @@ 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 {

I have a similar patches for this and 3/10 queued up for v6.19.

The DTS patches are staged in my repo under the branch 
socfpga_updates_for_v6.19

Dinh
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