NVIDIA Tegra GPIO support
modulename: gpio-tegra.ko
configname: CONFIG_GPIO_TEGRA
Linux Kernel Configuration
└─>Device Drivers
└─>GPIO Support
└─>Memory mapped GPIO drivers
└─>NVIDIA Tegra GPIO support
In linux kernel since version 3.10 (release Date: 2013-06-30)
Say yes here to support GPIO pins on NVIDIA Tegra SoCs.