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kernel/linux-rt-4.4.41/include/linux/platform_data/serial-omap.h 1.19 KB
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  /*
   * Driver for OMAP-UART controller.
   * Based on drivers/serial/8250.c
   *
   * Copyright (C) 2010 Texas Instruments.
   *
   * Authors:
   *	Govindraj R	<govindraj.raja@ti.com>
   *	Thara Gopinath	<thara@ti.com>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   */
  
  #ifndef __OMAP_SERIAL_H__
  #define __OMAP_SERIAL_H__
  
  #include <linux/serial_core.h>
  #include <linux/device.h>
  #include <linux/pm_qos.h>
  
  #define DRIVER_NAME	"omap_uart"
  
  /*
   * Use tty device name as ttyO, [O -> OMAP]
   * in bootargs we specify as console=ttyO0 if uart1
   * is used as console uart.
   */
  #define OMAP_SERIAL_NAME	"ttyO"
  
  struct omap_uart_port_info {
  	bool			dma_enabled;	/* To specify DMA Mode */
  	unsigned int		uartclk;	/* UART clock rate */
  	upf_t			flags;		/* UPF_* flags */
  	unsigned int		dma_rx_buf_size;
  	unsigned int		dma_rx_timeout;
  	unsigned int		autosuspend_timeout;
  	unsigned int		dma_rx_poll_rate;
  
  	int (*get_context_loss_count)(struct device *);
  	void (*enable_wakeup)(struct device *, bool);
  };
  
  #endif /* __OMAP_SERIAL_H__ */