omap.h revision 273712 
1/*
2 * This header provides constants for OMAP pinctrl bindings.
3 *
4 * Copyright (C) 2009 Nokia
5 * Copyright (C) 2009-2010 Texas Instruments
6 */
7
8#ifndef _DT_BINDINGS_PINCTRL_OMAP_H
9#define _DT_BINDINGS_PINCTRL_OMAP_H
10
11/* 34xx mux mode options for each pin. See TRM for options */
12#define MUX_MODE0	0
13#define MUX_MODE1	1
14#define MUX_MODE2	2
15#define MUX_MODE3	3
16#define MUX_MODE4	4
17#define MUX_MODE5	5
18#define MUX_MODE6	6
19#define MUX_MODE7	7
20
21/* 24xx/34xx mux bit defines */
22#define PULL_ENA		(1 << 3)
23#define PULL_UP			(1 << 4)
24#define ALTELECTRICALSEL	(1 << 5)
25
26/* omap3/4/5 specific mux bit defines */
27#define INPUT_EN		(1 << 8)
28#define OFF_EN			(1 << 9)
29#define OFFOUT_EN		(1 << 10)
30#define OFFOUT_VAL		(1 << 11)
31#define OFF_PULL_EN		(1 << 12)
32#define OFF_PULL_UP		(1 << 13)
33#define WAKEUP_EN		(1 << 14)
34#define WAKEUP_EVENT		(1 << 15)
35
36/* Active pin states */
37#define PIN_OUTPUT		0
38#define PIN_OUTPUT_PULLUP	(PIN_OUTPUT | PULL_ENA | PULL_UP)
39#define PIN_OUTPUT_PULLDOWN	(PIN_OUTPUT | PULL_ENA)
40#define PIN_INPUT		INPUT_EN
41#define PIN_INPUT_PULLUP	(PULL_ENA | INPUT_EN | PULL_UP)
42#define PIN_INPUT_PULLDOWN	(PULL_ENA | INPUT_EN)
43
44/* Off mode states */
45#define PIN_OFF_NONE		0
46#define PIN_OFF_OUTPUT_HIGH	(OFF_EN | OFFOUT_EN | OFFOUT_VAL)
47#define PIN_OFF_OUTPUT_LOW	(OFF_EN | OFFOUT_EN)
48#define PIN_OFF_INPUT_PULLUP	(OFF_EN | OFF_PULL_EN | OFF_PULL_UP)
49#define PIN_OFF_INPUT_PULLDOWN	(OFF_EN | OFF_PULL_EN)
50#define PIN_OFF_WAKEUPENABLE	WAKEUP_EN
51
52/*
53 * Macros to allow using the absolute physical address instead of the
54 * padconf registers instead of the offset from padconf base.
55 */
56#define OMAP_IOPAD_OFFSET(pa, offset)	(((pa) & 0xffff) - (offset))
57
58#define OMAP2420_CORE_IOPAD(pa, val)	OMAP_IOPAD_OFFSET((pa), 0x0030) (val)
59#define OMAP2430_CORE_IOPAD(pa, val)	OMAP_IOPAD_OFFSET((pa), 0x2030) (val)
60#define OMAP3_CORE1_IOPAD(pa, val)	OMAP_IOPAD_OFFSET((pa), 0x2030) (val)
61#define OMAP3430_CORE2_IOPAD(pa, val)	OMAP_IOPAD_OFFSET((pa), 0x25d8) (val)
62#define OMAP3630_CORE2_IOPAD(pa, val)	OMAP_IOPAD_OFFSET((pa), 0x25a0) (val)
63#define OMAP3_WKUP_IOPAD(pa, val)	OMAP_IOPAD_OFFSET((pa), 0x2a00) (val)
64#define AM33XX_IOPAD(pa, val)		OMAP_IOPAD_OFFSET((pa), 0x0800) (val)
65#define AM4372_IOPAD(pa, val)		OMAP_IOPAD_OFFSET((pa), 0x0800) (val)
66#define DRA7XX_CORE_IOPAD(pa, val)	OMAP_IOPAD_OFFSET((pa), 0x3400) (val)
67
68/*
69 * Macros to allow using the offset from the padconf physical address
70 * instead  of the offset from padconf base.
71 */
72#define OMAP_PADCONF_OFFSET(offset, base_offset)	((offset) - (base_offset))
73
74#define OMAP4_IOPAD(offset, val)	OMAP_PADCONF_OFFSET((offset), 0x0040) (val)
75#define OMAP5_IOPAD(offset, val)	OMAP_PADCONF_OFFSET((offset), 0x0040) (val)
76
77/*
78 * Define some commonly used pins configured by the boards.
79 * Note that some boards use alternative pins, so check
80 * the schematics before using these.
81 */
82#define OMAP3_UART1_RX		0x152
83#define OMAP3_UART2_RX		0x14a
84#define OMAP3_UART3_RX		0x16e
85#define OMAP4_UART2_RX		0xdc
86#define OMAP4_UART3_RX		0x104
87#define OMAP4_UART4_RX		0x11c
88
89#endif
90
91