setup-spi.c
933 Bytes
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
/* linux/arch/arm/mach-s5p64x0/setup-spi.c
*
* Copyright (C) 2011 Samsung Electronics Ltd.
* http://www.samsung.com/
*
* 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/gpio.h>
#include <plat/gpio-cfg.h>
#ifdef CONFIG_S3C64XX_DEV_SPI0
int s3c64xx_spi0_cfg_gpio(void)
{
if (soc_is_s5p6450())
s3c_gpio_cfgall_range(S5P6450_GPC(0), 3,
S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
else
s3c_gpio_cfgall_range(S5P6440_GPC(0), 3,
S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
return 0;
}
#endif
#ifdef CONFIG_S3C64XX_DEV_SPI1
int s3c64xx_spi1_cfg_gpio(void)
{
if (soc_is_s5p6450())
s3c_gpio_cfgall_range(S5P6450_GPC(4), 3,
S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
else
s3c_gpio_cfgall_range(S5P6440_GPC(4), 3,
S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
return 0;
}
#endif