b2a6cf3b1e
Add a set of default pin configuration routines for setting up the SPI gpio configuration when using the hardware SPI driver. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
/* linux/arch/arm/plat-s3c24xx/spi-bus0-gpe11_12_13.c
|
|
*
|
|
* Copyright (c) 2008 Simtec Electronics
|
|
* http://armlinux.simtec.co.uk/
|
|
* Ben Dooks <ben@simtec.co.uk>
|
|
*
|
|
* S3C24XX SPI - gpio configuration for bus 0 on gpe11,12,13
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
|
|
#include <mach/hardware.h>
|
|
|
|
#include <mach/spi.h>
|
|
#include <mach/regs-gpio.h>
|
|
|
|
void s3c24xx_spi_gpiocfg_bus0_gpe11_12_13(struct s3c2410_spi_info *spi,
|
|
int enable)
|
|
{
|
|
if (enable) {
|
|
s3c2410_gpio_cfgpin(S3C2410_GPE13, S3C2410_GPE13_SPICLK0);
|
|
s3c2410_gpio_cfgpin(S3C2410_GPE12, S3C2410_GPE12_SPIMOSI0);
|
|
s3c2410_gpio_cfgpin(S3C2410_GPE11, S3C2410_GPE11_SPIMISO0);
|
|
s3c2410_gpio_pullup(S3C2410_GPE11, 0);
|
|
s3c2410_gpio_pullup(S3C2410_GPE13, 0);
|
|
} else {
|
|
s3c2410_gpio_cfgpin(S3C2410_GPE13, S3C2410_GPIO_INPUT);
|
|
s3c2410_gpio_cfgpin(S3C2410_GPE11, S3C2410_GPIO_INPUT);
|
|
s3c2410_gpio_pullup(S3C2410_GPE11, 1);
|
|
s3c2410_gpio_pullup(S3C2410_GPE12, 1);
|
|
s3c2410_gpio_pullup(S3C2410_GPE13, 1);
|
|
}
|
|
}
|