From 46064c31c3aa3fe4f4151dcb02eeae6ef0e37796 Mon Sep 17 00:00:00 2001
From: Abhishek Mainkar <abmainkar@nvidia.com>
Date: Thu, 8 Jun 2023 21:50:01 +0000
Subject: [PATCH] t23x: overlay: create alias for nvdla controllers

Alias for nvdla controllers is needed for deriving the path of
controller node.

Bug 3761540

Signed-off-by: Abhishek Mainkar <abmainkar@nvidia.com>
Change-Id: Ie078a8051d363ab22bf7059e1ae77d05e2fb38f3
Reviewed-on: https://git-master.nvidia.com/r/c/device/hardware/nvidia/t23x-public-dts/+/2918220
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
(cherry picked from commit 7f63b010c992dbd260fcc24406c2cd69b9e7defc)
Reviewed-on: https://git-master.nvidia.com/r/c/device/hardware/nvidia/t23x-public-dts/+/2969993
Reviewed-by: Ashish Singhal <ashishsingha@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
---
 overlay/tegra234-jetson.dts       | 12 +++++++++++-
 overlay/tegra234-soc-overlay.dtsi |  7 ++++++-
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/overlay/tegra234-jetson.dts b/overlay/tegra234-jetson.dts
index b056846..7f0cae8 100644
--- a/overlay/tegra234-jetson.dts
+++ b/overlay/tegra234-jetson.dts
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0-only
-// Copyright (c) 2022-2023, NVIDIA CORPORATION & AFFILIATES.  All rights reserved.
+// SPDX-FileCopyrightText: Copyright (c) 2022-2023, NVIDIA CORPORATION & AFFILIATES.  All rights reserved.
 
 /dts-v1/;
 /plugin/;
@@ -342,4 +342,14 @@
 			};
 		};
 	};
+
+	fragment@5 {
+		target-path = "/";
+		__overlay__ {
+			aliases {
+				nvdla0 = "/bus@0/host1x@13e00000/nvdla0@15880000";
+				nvdla1 = "/bus@0/host1x@13e00000/nvdla1@158c0000";
+			};
+		};
+	};
 };
diff --git a/overlay/tegra234-soc-overlay.dtsi b/overlay/tegra234-soc-overlay.dtsi
index 103a7e6..bfe764f 100644
--- a/overlay/tegra234-soc-overlay.dtsi
+++ b/overlay/tegra234-soc-overlay.dtsi
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0-only
-// Copyright (c) 2022-2023, NVIDIA CORPORATION & AFFILIATES.  All rights reserved.
+// SPDX-FileCopyrightText: Copyright (c) 2022-2023, NVIDIA CORPORATION & AFFILIATES.  All rights reserved.
 //
 // This file contains the DT nodes of T234 which are not in base/tegra234.dtsi
 
@@ -19,6 +19,11 @@
 	fragment-t234-soc@0 {
 		target-path = "/";
 		 __overlay__ {
+			aliases {
+				nvdla0 = "/bus@0/host1x@13e00000/nvdla0@15880000";
+				nvdla1 = "/bus@0/host1x@13e00000/nvdla1@158c0000";
+			};
+
 			chosen {
 				framebuffer {
 					compatible = "simple-framebuffer";