blob: 5417123b0ac10980d82eadc948a5259d59801dca (
plain)
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
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
/* linux/arch/arm/plat-s3c64xx/setup-sdhci-gpio.c
*
* Copyright 2008 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
* http://armlinux.simtec.co.uk/
*
* S3C64XX - Helper functions for setting up SDHCI device(s) GPIO (HSMMC)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <mach/gpio.h>
#include <plat/gpio-cfg.h>
void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width)
{
unsigned int gpio;
unsigned int end;
end = S3C64XX_GPG(2 + width);
/* Set all the necessary GPG pins to special-function 0 */
for (gpio = S3C64XX_GPG(0); gpio < end; gpio++) {
s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
}
s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP);
s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(2));
}
void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width)
{
unsigned int gpio;
unsigned int end;
end = S3C64XX_GPH(2 + width);
/* Set all the necessary GPG pins to special-function 0 */
for (gpio = S3C64XX_GPH(0); gpio < end; gpio++) {
s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
}
s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP);
s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(3));
}
|
