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ARM: tegra: apalis-tk1: Hog group for ethernet, PCIe, reset GPIOs 

The Apalis TK1 module uses some dedicated GPIOs as I210 gigabit Ethernet
controller reset and to control RESET_MOCI aka reset module output
carrier input on MXM3 pin 26. The Apalis Evaluation Board furthermore
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>
This commit is contained in:
Marcel Ziswiler 2018-02-10 02:38:04 +01:00 committed by Thierry Reding
parent 405698f072
commit 818e8729e1
2 changed files with 28 additions and 0 deletions
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10
arch/arm/boot/dts/tegra124-apalis-eval.dts
View File

@ -275,3 +275,13 @@
vin-supply = <&reg_5v0>;
};
};
&gpio {
/* Apalis GPIO7 MXM3 pin 15 PLX PEX 8605 PCIe Switch Reset */
pex_perst_n {
gpio-hog;
gpios = <TEGRA_GPIO(DD, 1) GPIO_ACTIVE_HIGH>;
output-high;
line-name = "PEX_PERST_N";
};
};

18
arch/arm/boot/dts/tegra124-apalis.dtsi
View File

@ -2070,3 +2070,21 @@
};
};
};
&gpio {
/* I210 Gigabit Ethernet Controller Reset */
lan_reset_n {
gpio-hog;
gpios = <TEGRA_GPIO(S, 2) GPIO_ACTIVE_HIGH>;
output-high;
line-name = "LAN_RESET_N";
};
/* Control MXM3 pin 26 Reset Module Output Carrier Input */
reset_moci_ctrl {
gpio-hog;
gpios = <TEGRA_GPIO(U, 4) GPIO_ACTIVE_HIGH>;
output-high;
line-name = "RESET_MOCI_CTRL";
};
};