setup-spi.c
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/* 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 <linux/platform_device.h>
#include <linux/io.h>
#include <plat/gpio-cfg.h>
#include <plat/cpu.h>
#include <plat/s3c64xx-spi.h>
#ifdef CONFIG_S3C64XX_DEV_SPI0
struct s3c64xx_spi_info s3c64xx_spi0_pdata __initdata = {
.fifo_lvl_mask = 0x1ff,
.rx_lvl_offset = 15,
.tx_st_done = 25,
};
int s3c64xx_spi0_cfg_gpio(struct platform_device *dev)
{
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
struct s3c64xx_spi_info s3c64xx_spi1_pdata __initdata = {
.fifo_lvl_mask = 0x7f,
.rx_lvl_offset = 15,
.tx_st_done = 25,
};
int s3c64xx_spi1_cfg_gpio(struct platform_device *dev)
{
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