arch/arm/mach-s5pv210/setup-spi.c

   1 /* linux/arch/arm/mach-s5pv210/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 = {
  19         .fifo_lvl_mask  = 0x1ff,
  20         .rx_lvl_offset  = 15,
  21         .high_speed     = 1,
  22         .tx_st_done     = 25,
  23 };
  24
  25 int s3c64xx_spi0_cfg_gpio(struct platform_device *dev)
  26 {
  27         s3c_gpio_cfgpin(S5PV210_GPB(0), S3C_GPIO_SFN(2));
  28         s3c_gpio_setpull(S5PV210_GPB(0), S3C_GPIO_PULL_UP);
  29         s3c_gpio_cfgall_range(S5PV210_GPB(2), 2,
  30                                 S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
  31         return 0;
  32 }
  33 #endif
  34
  35 #ifdef CONFIG_S3C64XX_DEV_SPI1
  36 struct s3c64xx_spi_info s3c64xx_spi1_pdata = {
  37         .fifo_lvl_mask  = 0x7f,
  38         .rx_lvl_offset  = 15,
  39         .high_speed     = 1,
  40         .tx_st_done     = 25,
  41 };
  42
  43 int s3c64xx_spi1_cfg_gpio(struct platform_device *dev)
  44 {
  45         s3c_gpio_cfgpin(S5PV210_GPB(4), S3C_GPIO_SFN(2));
  46         s3c_gpio_setpull(S5PV210_GPB(4), S3C_GPIO_PULL_UP);
  47         s3c_gpio_cfgall_range(S5PV210_GPB(6), 2,
  48                                 S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
  49         return 0;
  50 }
  51 #endif