From c3b3a3eb1552e26af490ff858d07b4c9750d9634 Mon Sep 17 00:00:00 2001
From: Karthik Kantamneni <quic_vkantamn@quicinc.com>
Date: Fri, 13 Dec 2024 13:29:37 +0530
Subject: [PATCH] ARM: dts: msm: Add direct link node dtsi entry

Add direct link node dtsi entry, this shares iommu
domain with wlan device will be used in direct link
use case.

Change-Id: I9660bac1028087be02611ab7b9d16a09e3ad1323
CRs-Fixed: 4000587
---
 kera-wcn7750.dtsi | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/kera-wcn7750.dtsi b/kera-wcn7750.dtsi
index 2ab56f7f..2e0aa68b 100644
--- a/kera-wcn7750.dtsi
+++ b/kera-wcn7750.dtsi
@@ -41,6 +41,13 @@
 		firmware-name = "wcn7750/wpss.mdt";
 	};
 
+	icnss2_direct_link_iommu_group0: icnss2_direct_link_iommu_group0 {
+		qcom,iommu-dma-addr-pool = <0xb0000000 0x10000000>;
+		qcom,iommu-geometry = <0xb0000000 0x10010000>;
+		qcom,iommu-dma = "fastmap";
+		qcom,iommu-faults = "stall-disable", "HUPCF", "non-fatal";
+	};
+
 	icnss2: qcom,wcn7750 {
 		compatible = "qcom,wcn7750";
 		reg = <0x17110040 0x0>,
@@ -85,10 +92,7 @@
 			     <GIC_SPI 798 IRQ_TYPE_EDGE_RISING>,
 			     <GIC_SPI 799 IRQ_TYPE_EDGE_RISING>;
 
-		qcom,iommu-dma = "fastmap";
-		qcom,iommu-faults = "stall-disable", "HUPCF", "non-fatal";
-		qcom,iommu-dma-addr-pool = <0xb0000000 0x10000000>;
-		qcom,iommu-geometry = <0xb0000000 0x10010000>;
+		qcom,iommu-group = <&icnss2_direct_link_iommu_group0>;
 		dma-coherent;
 		qcom,fw-prefix;
 		qcom,wlan;
@@ -186,4 +190,11 @@
 			interrupt-names = "qcom,smp2p-soc-wake-ack";
 		};
 	};
+
+	wlan_direct_link: qcom,icnss-direct-link {
+		compatible = "qcom,icnss-direct-link";
+		iommus = <&apps_smmu 0x100f 0x0>;
+		qcom,iommu-group = <&icnss2_direct_link_iommu_group0>;
+		dma-coherent;
+	};
 };