Rockchip IO domain support

modulename: io-domain.ko

configname: CONFIG_ROCKCHIP_IODOMAIN

Linux Kernel Configuration
└─>Device Drivers
└─>SOC (System On Chip) specific Drivers
└─>Device Tree and Open Firmware support
└─>Rockchip IO domain support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say y here to enable support io domains on Rockchip SoCs. It is
necessary for the io domain setting of the SoC to match the
voltage supplied by the regulators.

source code:
depends
CONFIG_OF
CONFIG_ARCH_ROCKCHIP or CONFIG_COMPILE_TEST