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 DM814X_IOPAD(pa, val)		OMAP_IOPAD_OFFSET((pa), 0x0800) (val)
65 #define DM816X_IOPAD(pa, val)		OMAP_IOPAD_OFFSET((pa), 0x0800) (val)
66 #define AM33XX_IOPAD(pa, val)		OMAP_IOPAD_OFFSET((pa), 0x0800) (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