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diff --git a/include/linux/platform_data/serial-sccnxp.h b/include/linux/platform_data/serial-sccnxp.h
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1/*
2 * NXP (Philips) SCC+++(SCN+++) serial driver
3 *
4 * Copyright (C) 2012 Alexander Shiyan <shc_work@mail.ru>
5 *
6 * Based on sc26xx.c, by Thomas Bogendörfer (tsbogend@alpha.franken.de)
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 */
13
14#ifndef _PLATFORM_DATA_SERIAL_SCCNXP_H_
15#define _PLATFORM_DATA_SERIAL_SCCNXP_H_
16
17#define SCCNXP_MAX_UARTS 2
18
19/* Output lines */
20#define LINE_OP0 1
21#define LINE_OP1 2
22#define LINE_OP2 3
23#define LINE_OP3 4
24#define LINE_OP4 5
25#define LINE_OP5 6
26#define LINE_OP6 7
27#define LINE_OP7 8
28
29/* Input lines */
30#define LINE_IP0 9
31#define LINE_IP1 10
32#define LINE_IP2 11
33#define LINE_IP3 12
34#define LINE_IP4 13
35#define LINE_IP5 14
36#define LINE_IP6 15
37
38/* Signals */
39#define DTR_OP 0 /* DTR */
40#define RTS_OP 4 /* RTS */
41#define DSR_IP 8 /* DSR */
42#define CTS_IP 12 /* CTS */
43#define DCD_IP 16 /* DCD */
44#define RNG_IP 20 /* RNG */
45
46#define DIR_OP 24 /* Special signal for control RS-485.
47 * Goes high when transmit,
48 * then goes low.
49 */
50
51/* Routing control signal 'sig' to line 'line' */
52#define MCTRL_SIG(sig, line) ((line) << (sig))
53
54/*
55 * Example board initialization data:
56 *
57 * static struct resource sc2892_resources[] = {
58 * DEFINE_RES_MEM(UART_PHYS_START, 0x10),
59 * DEFINE_RES_IRQ(IRQ_EXT2),
60 * };
61 *
62 * static struct sccnxp_pdata sc2892_info = {
63 * .frequency = 3686400,
64 * .mctrl_cfg[0] = MCTRL_SIG(DIR_OP, LINE_OP0),
65 * .mctrl_cfg[1] = MCTRL_SIG(DIR_OP, LINE_OP1),
66 * };
67 *
68 * static struct platform_device sc2892 = {
69 * .name = "sc2892",
70 * .id = -1,
71 * .resource = sc2892_resources,
72 * .num_resources = ARRAY_SIZE(sc2892_resources),
73 * .dev = {
74 * .platform_data = &sc2892_info,
75 * },
76 * };
77 */
78
79/* SCCNXP platform data structure */
80struct sccnxp_pdata {
81 /* Frequency (extrenal clock or crystal) */
82 int frequency;
83 /* Shift for A0 line */
84 const u8 reg_shift;
85 /* Modem control lines configuration */
86 const u32 mctrl_cfg[SCCNXP_MAX_UARTS];
87 /* Timer value for polling mode (usecs) */
88 const unsigned int poll_time_us;
89 /* Called during startup */
90 void (*init)(void);
91 /* Called before finish */
92 void (*exit)(void);
93};
94
95#endif