CONFIG_PINCTRL_TEGRA20 (not configurable)

modulename: pinctrl-tegra20.ko

configname: CONFIG_PINCTRL_TEGRA20

Linux Kernel Configuration
└─>Device Drivers
└─>Pin controllers
└─>PINCTRL_TEGRA20
In linux kernel since version 3.1 (release Date: 2011-10-24)  
source code:
drivers/pinctrl/pinctrl-tegra20.c

depends
CONFIG_PINCTRL

is depended by
CONFIG_ARCH_TEGRA_2x_SOC