From 1f13b70e19ea97f293d386361d2c52deaa2d51b3 Mon Sep 17 00:00:00 2001
From: Ilies CHERGUI <ichergui@nvidia.com>
Date: Wed, 6 Dec 2023 14:26:24 +0000
Subject: [PATCH] nv-platform: p3740: enable I/O expander

Enable I/O expander for IGX Orin Boards Kit

Bug 4358744

Signed-off-by: Ilies CHERGUI <ichergui@nvidia.com>
Change-Id: Iecbda281e4d3979adf8dcd776917a4faad41ec86
Reviewed-on: https://git-master.nvidia.com/r/c/device/hardware/nvidia/t23x-public-dts/+/3029467
Reviewed-by: Shubhi Garg <shgarg@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Brad Griffis <bgriffis@nvidia.com>
Reviewed-by: Amulya Yarlagadda <ayarlagadda@nvidia.com>
Reviewed-by: Jonathan Hunter <jonathanh@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
---
 nv-platform/tegra234-p3740-0002.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/nv-platform/tegra234-p3740-0002.dtsi b/nv-platform/tegra234-p3740-0002.dtsi
index c955631..0823fce 100644
--- a/nv-platform/tegra234-p3740-0002.dtsi
+++ b/nv-platform/tegra234-p3740-0002.dtsi
@@ -94,6 +94,18 @@
 					5seg = <100 80 60 40 20>;
 				};
 			};
+
+			tca9539@74 {
+				compatible = "ti,tca9539";
+				reg = <0x74>;
+
+				status = "okay";
+				interrupt-parent = <&gpio>;
+				interrupts = <TEGRA234_MAIN_GPIO(G, 5) IRQ_TYPE_LEVEL_LOW>;
+				vcc-supply = <&vdd_3v3_ao>;
+				#gpio-cells = <2>;
+				gpio-controller;
+			};
 		};
 
 		padctl@3520000 {