Lines Matching refs:can

19 userspace GPIO can be used to determine system configuration data that
76 		If the pin can be configured as interrupt-generating interrupt
78 		description of "edge"), you can poll(2) on that file and
90 		This file exists only if the pin can be configured as an
122 Kernel code can explicitly manage exports of GPIOs which have already been
139 the sysfs interface by gpiod_export(). The driver can control whether the
143 This explicit exporting can help with debugging (by making some kinds
144 of experiments easier), or can provide an always-there interface that's
148 symlinks from elsewhere in sysfs to the GPIO sysfs node. Drivers can
152 Drivers can use gpiod_sysfs_set_active_low() to hide GPIO line polarity
153 differences between boards from user space. Polarity change can be done both