From ea531083ad86ed405311aaa9ce32f81301078a91 Mon Sep 17 00:00:00 2001
From: Yi-Wei Wang <yiweiw@nvidia.com>
Date: Mon, 30 Oct 2023 08:52:53 +0800
Subject: [PATCH] t23x: overlay: support p3701-0000-as-p3767-0004

Add tegra234-p3737-0000+p3701-0000-as-p3767-0004.dtbo which can be
applied on p3701-0000 and p3701-0005 to emulate p3767-0004.

Bug 4196830

Signed-off-by: Yi-Wei Wang <yiweiw@nvidia.com>
Change-Id: I32ec52f637c474a0c3ed86ad54a191b07c67cfcd
Reviewed-on: https://git-master.nvidia.com/r/c/device/hardware/nvidia/t23x-public-dts/+/3000667
(cherry picked from commit ba1e77ae668a4a18d29e1794a74f4c7453781079)
Reviewed-on: https://git-master.nvidia.com/r/c/device/hardware/nvidia/t23x-public-dts/+/3006032
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Brad Griffis <bgriffis@nvidia.com>
---
 overlay/Makefile                              |  1 +
 ...34-p3737-0000+p3701-0000-as-p3767-0004.dts | 60 +++++++++++++++++++
 2 files changed, 61 insertions(+)
 create mode 100644 overlay/tegra234-p3737-0000+p3701-0000-as-p3767-0004.dts

diff --git a/overlay/Makefile b/overlay/Makefile
index ccc6ad1..b7ab953 100644
--- a/overlay/Makefile
+++ b/overlay/Makefile
@@ -19,6 +19,7 @@ dtbo-y += tegra234-p3737-0000+p3701-0000-as-p3701-0004.dtbo
 dtbo-y += tegra234-p3737-0000+p3701-0000-as-p3767-0000.dtbo
 dtbo-y += tegra234-p3737-0000+p3701-0000-as-p3767-0001.dtbo
 dtbo-y += tegra234-p3737-0000+p3701-0000-as-p3767-0003.dtbo
+dtbo-y += tegra234-p3737-0000+p3701-0000-as-p3767-0004.dtbo
 dtbo-y += tegra234-p3737-0000+p3701-0000-dynamic.dtbo
 dtbo-y += tegra234-p3768-0000+p3767-0000-dynamic.dtbo
 dtbo-y += tegra234-p3737-0000+p3701-0000-audio-adafruit-uda1334a.dtbo
diff --git a/overlay/tegra234-p3737-0000+p3701-0000-as-p3767-0004.dts b/overlay/tegra234-p3737-0000+p3701-0000-as-p3767-0004.dts
new file mode 100644
index 0000000..1105baf
--- /dev/null
+++ b/overlay/tegra234-p3737-0000+p3701-0000-as-p3767-0004.dts
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// SPDX-FileCopyrightText: Copyright (c) 2023, NVIDIA CORPORATION & AFFILIATES.  All rights reserved.
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	overlay-name = "Tegra234 p3701-0000-as-p3767-0004 Emulation Overlay";
+
+	fragment-t234-p3701-0000-as-p3767-0004@0 {
+		target-path = "/";
+		board_config {
+			ids = "3701-0000-*", "3701-0005-*";
+		};
+		__overlay__ {
+			compatible = "nvidia,p3737-0000+p3701-0000-as-p3767-0004", "nvidia,tegra234";
+			model = "Jetson AGX Orin as Nano 4GB";
+			bus@0 {
+				host1x@13e00000 {
+					nvdla0@15880000 {
+						status = "disabled";
+					};
+					nvdla1@158c0000 {
+						status = "disabled";
+					};
+					pva0@16000000 {
+						status = "disabled";
+					};
+					nvenc@154c0000 {
+						status = "disabled";
+					};
+				};
+				/* C1 */
+				pcie@14100000 {
+					max-link-speed = <0x3>;
+				};
+				/* C4 */
+				pcie@14160000 {
+					max-link-speed = <0x3>;
+				};
+				/* C4 End Point */
+				pcie_ep@14160000 {
+					max-link-speed = <0x3>;
+				};
+				/* C7 */
+				pcie@141e0000 {
+					max-link-speed = <0x3>;
+				};
+				/* C8 */
+				pcie@140a0000 {
+					max-link-speed = <0x3>;
+				};
+				/* C9 */
+				pcie@140c0000 {
+					max-link-speed = <0x3>;
+				};
+			};
+		};
+	};
+};