Commit | Line | Data |
---|---|---|
2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
1d65c0b1 AS |
2 | /* |
3 | * NXP (Philips) SCC+++(SCN+++) serial driver | |
4 | * | |
5 | * Copyright (C) 2012 Alexander Shiyan <shc_work@mail.ru> | |
6 | * | |
7 | * Based on sc26xx.c, by Thomas Bogendörfer (tsbogend@alpha.franken.de) | |
1d65c0b1 AS |
8 | */ |
9 | ||
463dcc42 AS |
10 | #ifndef _PLATFORM_DATA_SERIAL_SCCNXP_H_ |
11 | #define _PLATFORM_DATA_SERIAL_SCCNXP_H_ | |
1d65c0b1 AS |
12 | |
13 | #define SCCNXP_MAX_UARTS 2 | |
14 | ||
15 | /* Output lines */ | |
16 | #define LINE_OP0 1 | |
17 | #define LINE_OP1 2 | |
18 | #define LINE_OP2 3 | |
19 | #define LINE_OP3 4 | |
20 | #define LINE_OP4 5 | |
21 | #define LINE_OP5 6 | |
22 | #define LINE_OP6 7 | |
23 | #define LINE_OP7 8 | |
24 | ||
25 | /* Input lines */ | |
26 | #define LINE_IP0 9 | |
27 | #define LINE_IP1 10 | |
28 | #define LINE_IP2 11 | |
29 | #define LINE_IP3 12 | |
30 | #define LINE_IP4 13 | |
31 | #define LINE_IP5 14 | |
32 | #define LINE_IP6 15 | |
33 | ||
34 | /* Signals */ | |
35 | #define DTR_OP 0 /* DTR */ | |
36 | #define RTS_OP 4 /* RTS */ | |
37 | #define DSR_IP 8 /* DSR */ | |
38 | #define CTS_IP 12 /* CTS */ | |
39 | #define DCD_IP 16 /* DCD */ | |
40 | #define RNG_IP 20 /* RNG */ | |
41 | ||
42 | #define DIR_OP 24 /* Special signal for control RS-485. | |
43 | * Goes high when transmit, | |
44 | * then goes low. | |
45 | */ | |
46 | ||
47 | /* Routing control signal 'sig' to line 'line' */ | |
48 | #define MCTRL_SIG(sig, line) ((line) << (sig)) | |
49 | ||
50 | /* | |
51 | * Example board initialization data: | |
52 | * | |
53 | * static struct resource sc2892_resources[] = { | |
54 | * DEFINE_RES_MEM(UART_PHYS_START, 0x10), | |
55 | * DEFINE_RES_IRQ(IRQ_EXT2), | |
56 | * }; | |
57 | * | |
58 | * static struct sccnxp_pdata sc2892_info = { | |
1d65c0b1 AS |
59 | * .mctrl_cfg[0] = MCTRL_SIG(DIR_OP, LINE_OP0), |
60 | * .mctrl_cfg[1] = MCTRL_SIG(DIR_OP, LINE_OP1), | |
61 | * }; | |
62 | * | |
63 | * static struct platform_device sc2892 = { | |
64 | * .name = "sc2892", | |
65 | * .id = -1, | |
66 | * .resource = sc2892_resources, | |
67 | * .num_resources = ARRAY_SIZE(sc2892_resources), | |
68 | * .dev = { | |
69 | * .platform_data = &sc2892_info, | |
70 | * }, | |
71 | * }; | |
72 | */ | |
73 | ||
74 | /* SCCNXP platform data structure */ | |
75 | struct sccnxp_pdata { | |
1d65c0b1 | 76 | /* Shift for A0 line */ |
461a8ecb | 77 | const u8 reg_shift; |
1d65c0b1 | 78 | /* Modem control lines configuration */ |
461a8ecb | 79 | const u32 mctrl_cfg[SCCNXP_MAX_UARTS]; |
ec063899 | 80 | /* Timer value for polling mode (usecs) */ |
461a8ecb | 81 | const unsigned int poll_time_us; |
1d65c0b1 AS |
82 | }; |
83 | ||
84 | #endif |