From c936de9cee241466f07f8b60d977818166e0696f Mon Sep 17 00:00:00 2001
From: Tengfei Fan <tengfan@qti.qualcomm.com>
Date: Tue, 24 May 2022 17:06:14 +0800
Subject: [PATCH] ARM: dts: msm: Add virt-io support for Ravelin

Add nodes to support virt-io based IO virtualization for trusted_ui VM.

Change-Id: Ifa44d8f2ad14bd7d8747f858c30d3c2812c55e86
---
 qcom/ravelin-reserved-memory.dtsi | 12 ++++++++++++
 qcom/ravelin.dtsi                 | 13 +++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/qcom/ravelin-reserved-memory.dtsi b/qcom/ravelin-reserved-memory.dtsi
index 554b2ac8..ec1e9e4f 100644
--- a/qcom/ravelin-reserved-memory.dtsi
+++ b/qcom/ravelin-reserved-memory.dtsi
@@ -129,6 +129,18 @@
 		reg = <0x0 0xe55f3000 0x0 0x9000>;
 	};
 
+	trust_ui_vm_vblk0_ring: trust_ui_vm_vblk0_ring@e55fc000 {
+		no-map;
+		reg = <0x0 0xe55fc000 0x0 0x4000>;
+		gunyah-label = <0x11>;
+	};
+
+	trust_ui_vm_swiotlb: trust_ui_vm_swiotlb@e5600000 {
+		no-map;
+		reg = <0x0 0xe5600000 0x0 0x100000>;
+		gunyah-label = <0x12>;
+	};
+
 	tz_stat_mem: tz_stat_region@e8800000 {
 		no-map;
 		reg = <0x0 0xe8800000 0x0 0x100000>;
diff --git a/qcom/ravelin.dtsi b/qcom/ravelin.dtsi
index ef01804a..a7cac2f8 100644
--- a/qcom/ravelin.dtsi
+++ b/qcom/ravelin.dtsi
@@ -1816,6 +1816,19 @@
 		peer-name = <2>;
 		shared-buffer = <&trust_ui_vm_qrtr>;
 	};
+
+	trust_ui_vm: qcom,trust_ui_vm@e55fc000 {
+		reg = <0xe55fc000 0x104000>;
+		vm_name = "trustedvm";
+		shared-buffers = <&trust_ui_vm_vblk0_ring &trust_ui_vm_swiotlb>;
+	};
+
+	qcom,virtio_backend@0 {
+		compatible = "qcom,virtio_backend";
+		qcom,vm = <&trust_ui_vm>;
+		qcom,label = <0x11>;
+	};
+
 };
 
 #include "ravelin-pinctrl.dtsi"