1 /* linux/arch/arm/plat-s3c24xx/spi-bus0-gpe11_12_13.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 0 on gpe11,12,13
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
20 void s3c24xx_spi_gpiocfg_bus0_gpe11_12_13(struct s3c2410_spi_info *spi,
21 int enable)
22 {
23 if (enable) {
24 s3c2410_gpio_cfgpin(S3C2410_GPE(13), S3C2410_GPE13_SPICLK0);
25 s3c2410_gpio_cfgpin(S3C2410_GPE(12), S3C2410_GPE12_SPIMOSI0);
26 s3c2410_gpio_cfgpin(S3C2410_GPE(11), S3C2410_GPE11_SPIMISO0);
27 s3c2410_gpio_pullup(S3C2410_GPE(11), 0);
28 s3c2410_gpio_pullup(S3C2410_GPE(13), 0);
29 } else {
30 s3c2410_gpio_cfgpin(S3C2410_GPE(13), S3C2410_GPIO_INPUT);
31 s3c2410_gpio_cfgpin(S3C2410_GPE(11), S3C2410_GPIO_INPUT);
32 s3c2410_gpio_pullup(S3C2410_GPE(11), 1);
33 s3c2410_gpio_pullup(S3C2410_GPE(12), 1);
34 s3c2410_gpio_pullup(S3C2410_GPE(13), 1);
35 }
36 }
37
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