Enable GPIO support for PCA955X
configname: CONFIG_LEDS_PCA955X_GPIO
Linux Kernel Configuration
└─>Device Drivers
└─>LED Support
└─>GPIO Support
└─>Enable GPIO support for PCA955X
In linux kernel since version 4.2 (release Date: 2015-08-30)
Allow unused pins on PCA955X to be used as gpio.
To use a pin as gpio the pin type should be set to
PCA955X_TYPE_GPIO in the device tree.
To use a pin as gpio the pin type should be set to
PCA955X_TYPE_GPIO in the device tree.