arch/arm/mach-s3c64xx/setup-spi.c

   1 /* linux/arch/arm/mach-s3c64xx/setup-spi.c
   2  *
   3  * Copyright (C) 2011 Samsung Electronics Ltd.
   4  *              http://www.samsung.com/
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #include <linux/gpio.h>
  12 #include <linux/platform_device.h>
  13
  14 #include <plat/gpio-cfg.h>
  15 #include <plat/s3c64xx-spi.h>
  16
  17 #ifdef CONFIG_S3C64XX_DEV_SPI0
  18 struct s3c64xx_spi_info s3c64xx_spi0_pdata __initdata = {
  19         .fifo_lvl_mask  = 0x7f,
  20         .rx_lvl_offset  = 13,
  21         .tx_st_done     = 21,
  22 };
  23
  24 int s3c64xx_spi0_cfg_gpio(struct platform_device *dev)
  25 {
  26         s3c_gpio_cfgall_range(S3C64XX_GPC(0), 3,
  27                                 S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
  28         return 0;
  29 }
  30 #endif
  31
  32 #ifdef CONFIG_S3C64XX_DEV_SPI1
  33 struct s3c64xx_spi_info s3c64xx_spi1_pdata __initdata = {
  34         .fifo_lvl_mask  = 0x7f,
  35         .rx_lvl_offset  = 13,
  36         .tx_st_done     = 21,
  37 };
  38
  39 int s3c64xx_spi1_cfg_gpio(struct platform_device *dev)
  40 {
  41         s3c_gpio_cfgall_range(S3C64XX_GPC(4), 3,
  42                                 S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
  43         return 0;
  44 }
  45 #endif