arch/arm/mach-s5p64x0/setup-spi.c

   1 /* linux/arch/arm/mach-s5p64x0/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 #include <linux/io.h>
  14
  15 #include <plat/gpio-cfg.h>
  16 #include <plat/cpu.h>
  17 #include <plat/s3c64xx-spi.h>
  18
  19 #ifdef CONFIG_S3C64XX_DEV_SPI0
  20 struct s3c64xx_spi_info s3c64xx_spi0_pdata __initdata = {
  21         .fifo_lvl_mask  = 0x1ff,
  22         .rx_lvl_offset  = 15,
  23         .tx_st_done     = 25,
  24 };
  25
  26 int s3c64xx_spi0_cfg_gpio(struct platform_device *dev)
  27 {
  28         if (soc_is_s5p6450())
  29                 s3c_gpio_cfgall_range(S5P6450_GPC(0), 3,
  30                                         S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
  31         else
  32                 s3c_gpio_cfgall_range(S5P6440_GPC(0), 3,
  33                                         S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
  34         return 0;
  35 }
  36 #endif
  37
  38 #ifdef CONFIG_S3C64XX_DEV_SPI1
  39 struct s3c64xx_spi_info s3c64xx_spi1_pdata __initdata = {
  40         .fifo_lvl_mask  = 0x7f,
  41         .rx_lvl_offset  = 15,
  42         .tx_st_done     = 25,
  43 };
  44
  45 int s3c64xx_spi1_cfg_gpio(struct platform_device *dev)
  46 {
  47         if (soc_is_s5p6450())
  48                 s3c_gpio_cfgall_range(S5P6450_GPC(4), 3,
  49                                         S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
  50         else
  51                 s3c_gpio_cfgall_range(S5P6440_GPC(4), 3,
  52                                         S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
  53         return 0;
  54 }
  55 #endif