Cirrus Logic Madera class codecs
modulename: gpio-madera.ko
configname: CONFIG_GPIO_MADERA
Linux Kernel Configuration
└─>Device Drivers
└─>GPIO Support
└─>MFD GPIO expanders
└─>Cirrus Logic Madera class codecs
In linux kernel since version 4.2 (release Date: 2015-08-30)
Support for GPIOs on Cirrus Logic Madera class codecs.