blob: 704175b0573f45739d4020bddf3e4ce441604315 [file] [log] [blame]
Ben Dooksb2a6cf32008-10-21 14:06:20 +01001/* 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>
Ben Dooks927dbcd2009-06-23 16:15:38 +010015#include <linux/gpio.h>
Ben Dooksb2a6cf32008-10-21 14:06:20 +010016
17#include <mach/spi.h>
18#include <mach/regs-gpio.h>
19
20void s3c24xx_spi_gpiocfg_bus0_gpe11_12_13(struct s3c2410_spi_info *spi,
21 int enable)
22{
23 if (enable) {
Ben Dooks40b956f2010-05-04 14:38:49 +090024 s3c_gpio_cfgpin(S3C2410_GPE(13), S3C2410_GPE13_SPICLK0);
25 s3c_gpio_cfgpin(S3C2410_GPE(12), S3C2410_GPE12_SPIMOSI0);
26 s3c_gpio_cfgpin(S3C2410_GPE(11), S3C2410_GPE11_SPIMISO0);
Ben Dooks070276d2009-05-17 22:32:23 +010027 s3c2410_gpio_pullup(S3C2410_GPE(11), 0);
28 s3c2410_gpio_pullup(S3C2410_GPE(13), 0);
Ben Dooksb2a6cf32008-10-21 14:06:20 +010029 } else {
Ben Dooks40b956f2010-05-04 14:38:49 +090030 s3c_gpio_cfgpin(S3C2410_GPE(13), S3C2410_GPIO_INPUT);
31 s3c_gpio_cfgpin(S3C2410_GPE(11), S3C2410_GPIO_INPUT);
Kukjin Kimcce58ab2010-11-15 11:11:22 +090032 s3c_gpio_setpull(S3C2410_GPE(11), S3C_GPIO_PULL_NONE);
33 s3c_gpio_setpull(S3C2410_GPE(12), S3C_GPIO_PULL_NONE);
34 s3c_gpio_setpull(S3C2410_GPE(13), S3C_GPIO_PULL_NONE);
Ben Dooksb2a6cf32008-10-21 14:06:20 +010035 }
36}