1 /* linux/arch/arm/plat-s3c24xx/spi-bus0-gpd8_9_10.c
2 *
3 * Copyright (c) 2008 Simtec Electronics
4 * http://armlinux.simtec.co.uk/
5 * Ben Dooks <ben@simtec.co.uk>
6 *
7 * S3C24XX SPI - gpio configuration for bus 1 on gpd8,9,10
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License.
12 */
13
14 #include <linux/kernel.h>
15 #include <linux/gpio.h>
16
17 #include <mach/spi.h>
18 #include <mach/regs-gpio.h>
19
s3c24xx_spi_gpiocfg_bus1_gpd8_9_10(struct s3c2410_spi_info * spi,int enable)20 void s3c24xx_spi_gpiocfg_bus1_gpd8_9_10(struct s3c2410_spi_info *spi,
21 int enable)
22 {
23
24 printk(KERN_INFO "%s(%d)\n", __func__, enable);
25 if (enable) {
26 s3c_gpio_cfgpin(S3C2410_GPD(10), S3C2440_GPD10_SPICLK1);
27 s3c_gpio_cfgpin(S3C2410_GPD(9), S3C2440_GPD9_SPIMOSI1);
28 s3c_gpio_cfgpin(S3C2410_GPD(8), S3C2440_GPD8_SPIMISO1);
29 s3c2410_gpio_pullup(S3C2410_GPD(10), 0);
30 s3c2410_gpio_pullup(S3C2410_GPD(9), 0);
31 } else {
32 s3c_gpio_cfgpin(S3C2410_GPD(8), S3C2410_GPIO_INPUT);
33 s3c_gpio_cfgpin(S3C2410_GPD(9), S3C2410_GPIO_INPUT);
34 s3c_gpio_setpull(S3C2410_GPD(10), S3C_GPIO_PULL_NONE);
35 s3c_gpio_setpull(S3C2410_GPD(9), S3C_GPIO_PULL_NONE);
36 s3c_gpio_setpull(S3C2410_GPD(8), S3C_GPIO_PULL_NONE);
37 }
38 }
39