From 918109dd465289b46bf7667d8573a83a8de821e2 Mon Sep 17 00:00:00 2001
From: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
Date: Mon, 24 Feb 2025 12:17:38 +0000
Subject: [PATCH] arm64: tegra: p2597: Enable TCA9539 as IRQ controllers

Fill out the DT nodes enabling both TCA9539 chips as IRQ controllers.

Proper functionality was tested for both instances.

Signed-off-by: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
Link: https://lore.kernel.org/r/20250224-diogo-gpio_exp-v1-3-80fb84ac48c6@tecnico.ulisboa.pt
Signed-off-by: Thierry Reding <treding@nvidia.com>
---
 arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
index 38d49d612c0c1..83ed6ac2a8d8f 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
@@ -1375,6 +1375,15 @@
 
 			#gpio-cells = <2>;
 			gpio-controller;
+
+			interrupt-parent = <&gpio>;
+			interrupts = <TEGRA_GPIO(L, 1) IRQ_TYPE_EDGE_FALLING>;
+
+			#interrupt-cells = <2>;
+			interrupt-controller;
+
+			pinctrl-names = "default";
+			pinctrl-0 = <&gpio_1v8>;
 		};
 
 		exp2: gpio@77 {
@@ -1383,6 +1392,15 @@
 
 			#gpio-cells = <2>;
 			gpio-controller;
+
+			interrupt-parent = <&gpio>;
+			interrupts = <TEGRA_GPIO(Z, 2) IRQ_TYPE_EDGE_FALLING>;
+
+			#interrupt-cells = <2>;
+			interrupt-controller;
+
+			pinctrl-names = "default";
+			pinctrl-0 = <&gpio_1v8>;
 		};
 	};
 
-- 
2.47.2