xref: /freebsd/sys/contrib/device-tree/include/dt-bindings/pinctrl/dra.h (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * This header provides constants for DRA pinctrl bindings.
4  *
5  * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
6  * Author: Rajendra Nayak <rnayak@ti.com>
7  */
8 
9 #ifndef _DT_BINDINGS_PINCTRL_DRA_H
10 #define _DT_BINDINGS_PINCTRL_DRA_H
11 
12 /* DRA7 mux mode options for each pin. See TRM for options */
13 #define MUX_MODE0	0x0
14 #define MUX_MODE1	0x1
15 #define MUX_MODE2	0x2
16 #define MUX_MODE3	0x3
17 #define MUX_MODE4	0x4
18 #define MUX_MODE5	0x5
19 #define MUX_MODE6	0x6
20 #define MUX_MODE7	0x7
21 #define MUX_MODE8	0x8
22 #define MUX_MODE9	0x9
23 #define MUX_MODE10	0xa
24 #define MUX_MODE11	0xb
25 #define MUX_MODE12	0xc
26 #define MUX_MODE13	0xd
27 #define MUX_MODE14	0xe
28 #define MUX_MODE15	0xf
29 
30 /* Certain pins need virtual mode, but note: they may glitch */
31 #define MUX_VIRTUAL_MODE0	(MODE_SELECT | (0x0 << 4))
32 #define MUX_VIRTUAL_MODE1	(MODE_SELECT | (0x1 << 4))
33 #define MUX_VIRTUAL_MODE2	(MODE_SELECT | (0x2 << 4))
34 #define MUX_VIRTUAL_MODE3	(MODE_SELECT | (0x3 << 4))
35 #define MUX_VIRTUAL_MODE4	(MODE_SELECT | (0x4 << 4))
36 #define MUX_VIRTUAL_MODE5	(MODE_SELECT | (0x5 << 4))
37 #define MUX_VIRTUAL_MODE6	(MODE_SELECT | (0x6 << 4))
38 #define MUX_VIRTUAL_MODE7	(MODE_SELECT | (0x7 << 4))
39 #define MUX_VIRTUAL_MODE8	(MODE_SELECT | (0x8 << 4))
40 #define MUX_VIRTUAL_MODE9	(MODE_SELECT | (0x9 << 4))
41 #define MUX_VIRTUAL_MODE10	(MODE_SELECT | (0xa << 4))
42 #define MUX_VIRTUAL_MODE11	(MODE_SELECT | (0xb << 4))
43 #define MUX_VIRTUAL_MODE12	(MODE_SELECT | (0xc << 4))
44 #define MUX_VIRTUAL_MODE13	(MODE_SELECT | (0xd << 4))
45 #define MUX_VIRTUAL_MODE14	(MODE_SELECT | (0xe << 4))
46 #define MUX_VIRTUAL_MODE15	(MODE_SELECT | (0xf << 4))
47 
48 #define MODE_SELECT		(1 << 8)
49 
50 #define PULL_ENA		(0 << 16)
51 #define PULL_DIS		(1 << 16)
52 #define PULL_UP			(1 << 17)
53 #define INPUT_EN		(1 << 18)
54 #define SLEWCONTROL		(1 << 19)
55 #define WAKEUP_EN		(1 << 24)
56 #define WAKEUP_EVENT		(1 << 25)
57 
58 /* Active pin states */
59 #define PIN_OUTPUT		(0 | PULL_DIS)
60 #define PIN_OUTPUT_PULLUP	(PULL_UP)
61 #define PIN_OUTPUT_PULLDOWN	(0)
62 #define PIN_INPUT		(INPUT_EN | PULL_DIS)
63 #define PIN_INPUT_SLEW		(INPUT_EN | SLEWCONTROL)
64 #define PIN_INPUT_PULLUP	(PULL_ENA | INPUT_EN | PULL_UP)
65 #define PIN_INPUT_PULLDOWN	(PULL_ENA | INPUT_EN)
66 
67 /*
68  * Macro to allow using the absolute physical address instead of the
69  * padconf registers instead of the offset from padconf base.
70  */
71 #define DRA7XX_CORE_IOPAD(pa, val)	(((pa) & 0xffff) - 0x3400) (val)
72 
73 /* DRA7 IODELAY configuration parameters */
74 #define A_DELAY_PS(val)			((val) & 0xffff)
75 #define G_DELAY_PS(val)			((val) & 0xffff)
76 #endif
77 
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