From 67b2369061b3b265dede4c7a3d74189055227b25 Mon Sep 17 00:00:00 2001
From: Swetha Chikkaboraiah <quic_schikk@quicinc.com>
Date: Mon, 13 Jan 2025 16:08:23 +0530
Subject: [PATCH] ARM: dts: msm: Add support for guest-cpus

Add support for offlining CPUs during VM load for Parrot.

Change-Id: Id5dad4d40375942a2f8ad671345390ecfc7a3926
Signed-off-by: Swetha Chikkaboraiah <quic_schikk@quicinc.com>
(cherry picked from commit 07b61ddce66a88d06f21b0cd5874d409e38247d4)
---
 bindings/arm/msm/qcom,gh-secure-vm-loader.yaml | 6 ++++++
 qcom/parrot.dtsi                               | 3 ++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/bindings/arm/msm/qcom,gh-secure-vm-loader.yaml b/bindings/arm/msm/qcom,gh-secure-vm-loader.yaml
index 6e56bc68..0ca07836 100644
--- a/bindings/arm/msm/qcom,gh-secure-vm-loader.yaml
+++ b/bindings/arm/msm/qcom,gh-secure-vm-loader.yaml
@@ -26,6 +26,10 @@ properties:
     $ref: '/schemas/types.yaml#/definitions/uint32'
     description: Peripheral authentication ID of the subsystem.
 
+  qcom,guest-cpus:
+    $ref: '/schemas/types.yaml#/definitions/string'
+    description: Guest CPUs.
+
   qcom,firmware-name:
     $ref: '/schemas/types.yaml#/definitions/string'
     description: Virtual machine name.
@@ -42,6 +46,7 @@ required:
   - compatible
   - qcom,pas-id
   - qcom,vmid
+  - qcom,guest-cpus
   - qcom,firmware-name
   - memory-region
   - virtio-backends
@@ -54,6 +59,7 @@ examples:
       compatible = "qcom,gh-secure-vm-loader";
       qcom,pas-id = <28>;
       qcom,vmid = <45>;
+      qcom,guest-cpus = "5-6";
       qcom,firmware-name = "trustedvm";
       memory-region = <&trust_ui_vm_mem>;
       virtio-backends = <&trust_ui_vm_virt_be0>;
diff --git a/qcom/parrot.dtsi b/qcom/parrot.dtsi
index c0f541fa..1c9b60ba 100644
--- a/qcom/parrot.dtsi
+++ b/qcom/parrot.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: BSD-3-Clause
 /*
- * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2024-2025 Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #include <dt-bindings/interconnect/qcom,icc.h>
@@ -2066,6 +2066,7 @@
 		compatible = "qcom,gh-secure-vm-loader";
 		qcom,pas-id = <28>;
 		qcom,vmid = <45>;
+		qcom,guest-cpus = "5-6";
 		qcom,firmware-name = "trustedvm";
 		memory-region = <&trust_ui_vm_mem>;
 		virtio-backends = <&trust_ui_vm_virt_be0>;