u-boot/cmd/gpio.c

2  * Control GPIO pins on the fly
4  * Copyright (c) 2008-2011 Analog Devices Inc.
6  * Licensed under the GPL-2 or later.
87 			debug("GPIO device %s has no bits\n", dev->name);  in do_gpio_status()
133 	argc -= 2;  in do_gpio()
136 	if (argc > 0 && !strcmp(*argv, "-a")) {  in do_gpio()
138 		argc--;  in do_gpio()
172 	 * Once all GPIO drivers are converted to driver model, we can change the  in do_gpio()
173 	 * code here to use the GPIO uclass interface instead of the numbered  in do_gpio()
189 	if (ret && ret != -EBUSY) {  in do_gpio()
191 		return -1;  in do_gpio()
230 	if (ret != -EBUSY)  in do_gpio()
237 	   "query and control gpio pins",
239 	   "    - input/set/clear/toggle the specified pin\n"
240 	   "gpio status [-a] [<bank> | <pin>]  - show [all/claimed] GPIOs");