From da25001ca651430f13c0f3bebec0e969b1b4de63 Mon Sep 17 00:00:00 2001
From: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Date: Fri, 31 Aug 2018 18:38:11 +0200
Subject: [PATCH] ARM: tegra: apalis_t30: hog group for pcie switch reset gpio

The Apalis Evaluation Board uses Apalis GPIO7 on MXM3 pin 15 as reset
signal for its PLX PEX 8605 PCIe Switch.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
---
 arch/arm/boot/dts/tegra30-apalis-eval.dts | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/tegra30-apalis-eval.dts b/arch/arm/boot/dts/tegra30-apalis-eval.dts
index bbde98f..9d9dda6 100644
--- a/arch/arm/boot/dts/tegra30-apalis-eval.dts
+++ b/arch/arm/boot/dts/tegra30-apalis-eval.dts
@@ -240,3 +240,13 @@
 		vin-supply = <&reg_5v0>;
 	};
 };
+
+&gpio {
+	/* Apalis GPIO7 MXM3 pin 15 PLX PEX 8605 PCIe Switch Reset */
+	pex-perst-n {
+		gpio-hog;
+		gpios = <TEGRA_GPIO(S, 7) GPIO_ACTIVE_HIGH>;
+		output-high;
+		line-name = "PEX_PERST_N";
+	};
+};
-- 
2.7.4