From 46ebd72a107cbd6cc537d7fe766ebbeaead55d8a Mon Sep 17 00:00:00 2001
From: "Isaac J. Manjarres" <isaacm@quicinc.com>
Date: Thu, 27 May 2021 17:14:13 -0700
Subject: [PATCH] ARM: dts: msm: Add the IOMMU debug usecase devices for Kalama

Add the different IOMMU usecase test devices for Kalama to exercise
different portions of the IOMMU framework.

Change-Id: Ic4fbb71c52e7a90f71bb7efbb696d6320ec0d705
---
 qcom/msm-arm-smmu-kalama.dtsi | 45 +++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/qcom/msm-arm-smmu-kalama.dtsi b/qcom/msm-arm-smmu-kalama.dtsi
index d71dfe3c..82e25e78 100644
--- a/qcom/msm-arm-smmu-kalama.dtsi
+++ b/qcom/msm-arm-smmu-kalama.dtsi
@@ -325,4 +325,49 @@
 		compatible = "qcom,iommu-dma";
 		memory-region = <&system_cma>;
 	};
+
+	iommu_test_device {
+		compatible = "qcom,iommu-debug-test";
+
+		usecase0_apps {
+			compatible = "qcom,iommu-debug-usecase";
+			iommus = <&apps_smmu 0x400 0x0>;
+		};
+
+		usecase1_apps_fastmap {
+			compatible = "qcom,iommu-debug-usecase";
+			iommus = <&apps_smmu 0x400 0x0>;
+			qcom,iommu-dma = "fastmap";
+		};
+
+		usecase2_apps_atomic {
+			compatible = "qcom,iommu-debug-usecase";
+			iommus = <&apps_smmu 0x400 0x0>;
+			qcom,iommu-dma = "atomic";
+		};
+
+		usecase3_apps_dma {
+			compatible = "qcom,iommu-debug-usecase";
+			iommus = <&apps_smmu 0x400 0x0>;
+			dma-coherent;
+		};
+
+		usecase4_apps_secure {
+			compatible = "qcom,iommu-debug-usecase";
+			iommus = <&apps_smmu 0x400 0x0>;
+			qcom,iommu-dma = "atomic";
+			qcom,iommu-vmid = <0xa>; /* VMID_CP_PIXEL */
+		};
+
+		usecase5_kgsl {
+			compatible = "qcom,iommu-debug-usecase";
+			iommu = <&kgsl_smmu 0x7 0x0>;
+		};
+
+		usecase6_kgsl_dma {
+			compatible = "qcom,iommu-debug-usecase";
+			iommu = <&kgsl_smmu 0x7 0x0>;
+			dma-coherent;
+		};
+	};
 };