1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Driver for OMAP-UART controller. 4 * Based on drivers/serial/8250.c 5 * 6 * Copyright (C) 2010 Texas Instruments. 7 * 8 * Authors: 9 * Govindraj R <govindraj.raja@ti.com> 10 * Thara Gopinath <thara@ti.com> 11 */ 12 13 #ifndef __OMAP_SERIAL_H__ 14 #define __OMAP_SERIAL_H__ 15 16 #include <linux/serial_core.h> 17 #include <linux/device.h> 18 #include <linux/pm_qos.h> 19 20 #define OMAP_SERIAL_DRIVER_NAME "omap_uart" 21 22 /* 23 * Use tty device name as ttyO, [O -> OMAP] 24 * in bootargs we specify as console=ttyO0 if uart1 25 * is used as console uart. 26 */ 27 #define OMAP_SERIAL_NAME "ttyO" 28 29 struct omap_uart_port_info { 30 bool dma_enabled; /* To specify DMA Mode */ 31 unsigned int uartclk; /* UART clock rate */ 32 upf_t flags; /* UPF_* flags */ 33 unsigned int dma_rx_buf_size; 34 unsigned int dma_rx_timeout; 35 unsigned int autosuspend_timeout; 36 unsigned int dma_rx_poll_rate; 37 38 int (*get_context_loss_count)(struct device *); 39 void (*enable_wakeup)(struct device *, bool); 40 }; 41 42 #endif /* __OMAP_SERIAL_H__ */ 43