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