linux/include/linux/serial_max3100.h
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   1/*
   2 *
   3 *  Copyright (C) 2007 Christian Pellegrin
   4 *
   5 * This program is free software; you can redistribute it and/or modify
   6 * it under the terms of the GNU General Public License as published by
   7 * the Free Software Foundation; either version 2 of the License, or
   8 * (at your option) any later version.
   9 */
  10
  11
  12#ifndef _LINUX_SERIAL_MAX3100_H
  13#define _LINUX_SERIAL_MAX3100_H 1
  14
  15
  16/**
  17 * struct plat_max3100 - MAX3100 SPI UART platform data
  18 * @loopback:            force MAX3100 in loopback
  19 * @crystal:             1 for 3.6864 Mhz, 0 for 1.8432
  20 * @max3100_hw_suspend:  MAX3100 has a shutdown pin. This is a hook
  21 *                       called on suspend and resume to activate it.
  22 * @poll_time:           poll time for CTS signal in ms, 0 disables (so no hw
  23 *                       flow ctrl is possible but you have less CPU usage)
  24 *
  25 * You should use this structure in your machine description to specify
  26 * how the MAX3100 is connected. Example:
  27 *
  28 * static struct plat_max3100 max3100_plat_data = {
  29 *  .loopback = 0,
  30 *  .crystal = 0,
  31 *  .poll_time = 100,
  32 * };
  33 *
  34 * static struct spi_board_info spi_board_info[] = {
  35 * {
  36 *  .modalias   = "max3100",
  37 *  .platform_data      = &max3100_plat_data,
  38 *  .irq                = IRQ_EINT12,
  39 *  .max_speed_hz       = 5*1000*1000,
  40 *  .chip_select        = 0,
  41 * },
  42 * };
  43 *
  44 **/
  45struct plat_max3100 {
  46        int loopback;
  47        int crystal;
  48        void (*max3100_hw_suspend) (int suspend);
  49        int poll_time;
  50};
  51
  52#endif
  53
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