From ab02824e094364a1461044bd36e624279d1999b2 Mon Sep 17 00:00:00 2001
From: Girish Mahadevan <gmahadevan@nvidia.com>
Date: Wed, 17 Jan 2024 03:13:22 +0000
Subject: [PATCH] t234: soc: add mapping for scratch register space

Add the mapping for the scratch register space needed for StMM
TA. StMM needs to know A/B used during boot to access appropriate
GPT.

Bug 4261930
Change-Id: I84e000aa901479506d5bf66de1e2edba3440458b
Signed-off-by: Girish Mahadevan <gmahadevan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/device/hardware/nvidia/t23x-public-dts/+/3055048
Tested-by: Ashish Singhal <ashishsingha@nvidia.com>
Reviewed-by: Ashish Singhal <ashishsingha@nvidia.com>
Reviewed-by: Nitin Kumbhar <nkumbhar@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
---
 optee-dts/tegra234-optee.dts | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/optee-dts/tegra234-optee.dts b/optee-dts/tegra234-optee.dts
index f9ff555..5a4f808 100644
--- a/optee-dts/tegra234-optee.dts
+++ b/optee-dts/tegra234-optee.dts
@@ -1,7 +1,7 @@
 /*
  * SPDX-License-Identifier: BSD-2-Clause
  *
- * Copyright (c) 2021-2023, NVIDIA CORPORATION. All rights reserved.
+ * SPDX-FileCopyrightText: Copyright (c) 2021-2024, NVIDIA CORPORATION. All rights reserved.
  */
 
 /dts-v1/;
@@ -172,6 +172,12 @@
 				pages-count = <0x10>;
 				attributes = <0x3>; /* read-write */
 			};
+
+			scratch-t234 {
+				base-address = <0x00000000 0x0c390000>;
+				pages-count = <0x2>;
+				attributes = <0x3>; /* read-write */
+			};
 		};
 	};
 };