xref: /linux/arch/arm/mach-s3c/gpio-cfg-helpers.h (revision 2697b79a469b68e3ad3640f55284359c1396278d)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright 2008 Openmoko, Inc.
4  * Copyright 2008 Simtec Electronics
5  *	http://armlinux.simtec.co.uk/
6  *	Ben Dooks <ben@simtec.co.uk>
7  *
8  * Samsung Platform - GPIO pin configuration helper definitions
9  */
10 
11 /* This is meant for core cpu support, machine or other driver files
12  * should not be including this header.
13  */
14 
15 #ifndef __PLAT_GPIO_CFG_HELPERS_H
16 #define __PLAT_GPIO_CFG_HELPERS_H __FILE__
17 
18 /* As a note, all gpio configuration functions are entered exclusively, either
19  * with the relevant lock held or the system prevented from doing anything else
20  * by disabling interrupts.
21 */
22 
23 static inline int samsung_gpio_do_setcfg(struct samsung_gpio_chip *chip,
24 					 unsigned int off, unsigned int config)
25 {
26 	return (chip->config->set_config)(chip, off, config);
27 }
28 
29 static inline int samsung_gpio_do_setpull(struct samsung_gpio_chip *chip,
30 					  unsigned int off, samsung_gpio_pull_t pull)
31 {
32 	return (chip->config->set_pull)(chip, off, pull);
33 }
34 
35 #endif /* __PLAT_GPIO_CFG_HELPERS_H */
36