From: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Date: Fri, 31 Aug 2018 16:38:11 +0000 (+0200)
Subject: ARM: tegra: apalis_t30: hog group for pcie switch reset gpio
X-Git-Tag: v5.4-rc1~2318^2~31^2~97
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=da25001ca651430f13c0f3bebec0e969b1b4de63;p=platform%2Fkernel%2Flinux-rpi.git

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>
---

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";
+	};
+};