Lines Matching +full:reset +full:- +full:gpio

1 // SPDX-License-Identifier: GPL-2.0-only
5 #include <linux/gpio.h>
7 #include <asm/proc-fns.h>
10 #include "regs-ost.h"
11 #include "reset.h"
17 static int reset_gpio = -1;
19 int init_gpio_reset(int gpio, int output, int level)  in init_gpio_reset()  argument
23 	rc = gpio_request(gpio, "reset generator");  in init_gpio_reset()
30 		rc = gpio_direction_output(gpio, level);  in init_gpio_reset()
32 		rc = gpio_direction_input(gpio);  in init_gpio_reset()
35 		gpio_free(gpio);  in init_gpio_reset()
41 		reset_gpio = gpio;  in init_gpio_reset()
47  * Trigger GPIO reset.
48  * This covers various types of logic connecting gpio pin
49  * to RESET pins (nRESET or GPIO_RESET):
53 	BUG_ON(reset_gpio == -1);  in do_gpio_reset()
80 	 * SDRAM hangs on watchdog reset on Marvell PXA270 (erratum 71)  in do_hw_reset()
81 	 * we put SDRAM into self-refresh to prevent that  in do_hw_reset()