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authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2018-08-31 19:38:11 +0300
committerThierry Reding <treding@nvidia.com>2018-09-26 17:45:50 +0300
commitda25001ca651430f13c0f3bebec0e969b1b4de63 (patch)
tree19618a0ced979771e81b9ddac296118cd97813e6 /arch/arm/boot/dts/tegra30-apalis-eval.dts
parent317d9f7bedc4ee6b4d146e0a434cf3cb9f09b1ff (diff)
downloadlinux-da25001ca651430f13c0f3bebec0e969b1b4de63.tar.xz
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>
Diffstat (limited to 'arch/arm/boot/dts/tegra30-apalis-eval.dts')
-rw-r--r--arch/arm/boot/dts/tegra30-apalis-eval.dts10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/tegra30-apalis-eval.dts b/arch/arm/boot/dts/tegra30-apalis-eval.dts
index bbde98fd9712..9d9dda6c0246 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";
+ };
+};