summaryrefslogblamecommitdiff
path: root/arch/arm/plat-s3c24xx/spi-bus1-gpg5_6_7.c
blob: 8fccd4e549f056f1bef0269a3bf7c20388c6546c (plain) (tree) 
b2a6cf3b1e09 ^





































1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37





































                                                                         
/* linux/arch/arm/plat-s3c24xx/spi-bus0-gpg5_6_7.c
 *
 * Copyright (c) 2008 Simtec Electronics
 *	http://armlinux.simtec.co.uk/
 *	Ben Dooks <ben@simtec.co.uk>
 *
 * S3C24XX SPI - gpio configuration for bus 1 on gpg5,6,7
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License.
*/

#include <linux/kernel.h>

#include <mach/hardware.h>

#include <mach/spi.h>
#include <mach/regs-gpio.h>

void s3c24xx_spi_gpiocfg_bus1_gpg5_6_7(struct s3c2410_spi_info *spi,
				       int enable)
{
	if (enable) {
		s3c2410_gpio_cfgpin(S3C2410_GPG7, S3C2410_GPG7_SPICLK1);
		s3c2410_gpio_cfgpin(S3C2410_GPG6, S3C2410_GPG6_SPIMOSI1);
		s3c2410_gpio_cfgpin(S3C2410_GPG5, S3C2410_GPG5_SPIMISO1);
		s3c2410_gpio_pullup(S3C2410_GPG5, 0);
		s3c2410_gpio_pullup(S3C2410_GPG6, 0);
	} else {
		s3c2410_gpio_cfgpin(S3C2410_GPG7, S3C2410_GPIO_INPUT);
		s3c2410_gpio_cfgpin(S3C2410_GPG5, S3C2410_GPIO_INPUT);
		s3c2410_gpio_pullup(S3C2410_GPG5, 1);
		s3c2410_gpio_pullup(S3C2410_GPG6, 1);
		s3c2410_gpio_pullup(S3C2410_GPG7, 1);
	}
}