include/linux/platform_data/serial-omap.h

   1 /*
   2  * Driver for OMAP-UART controller.
   3  * Based on drivers/serial/8250.c
   4  *
   5  * Copyright (C) 2010 Texas Instruments.
   6  *
   7  * Authors:
   8  *      Govindraj R     <govindraj.raja@ti.com>
   9  *      Thara Gopinath  <thara@ti.com>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  */
  16
  17 #ifndef __OMAP_SERIAL_H__
  18 #define __OMAP_SERIAL_H__
  19
  20 #include <linux/serial_core.h>
  21 #include <linux/device.h>
  22 #include <linux/pm_qos.h>
  23
  24 #define DRIVER_NAME     "omap_uart"
  25
  26 /*
  27  * Use tty device name as ttyO, [O -> OMAP]
  28  * in bootargs we specify as console=ttyO0 if uart1
  29  * is used as console uart.
  30  */
  31 #define OMAP_SERIAL_NAME        "ttyO"
  32
  33 struct omap_uart_port_info {
  34         bool                    dma_enabled;    /* To specify DMA Mode */
  35         unsigned int            uartclk;        /* UART clock rate */
  36         upf_t                   flags;          /* UPF_* flags */
  37         unsigned int            dma_rx_buf_size;
  38         unsigned int            dma_rx_timeout;
  39         unsigned int            autosuspend_timeout;
  40         unsigned int            dma_rx_poll_rate;
  41         int                     DTR_gpio;
  42         int                     DTR_inverted;
  43         int                     DTR_present;
  44
  45         int (*get_context_loss_count)(struct device *);
  46         void (*set_forceidle)(struct device *);
  47         void (*set_noidle)(struct device *);
  48         void (*enable_wakeup)(struct device *, bool);
  49 };
  50
  51 #endif /* __OMAP_SERIAL_H__ */