summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-ep93xx/include/mach/gpio.h
blob: 0a1498ae899aea4e114e855989010bd3b2d6da51 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/*
 * arch/arm/mach-ep93xx/include/mach/gpio.h
 */

#ifndef __ASM_ARCH_GPIO_H
#define __ASM_ARCH_GPIO_H

/* GPIO port A.  */
#define EP93XX_GPIO_LINE_A(x)		((x) + 0)
#define EP93XX_GPIO_LINE_EGPIO0		EP93XX_GPIO_LINE_A(0)
#define EP93XX_GPIO_LINE_EGPIO1		EP93XX_GPIO_LINE_A(1)
#define EP93XX_GPIO_LINE_EGPIO2		EP93XX_GPIO_LINE_A(2)
#define EP93XX_GPIO_LINE_EGPIO3		EP93XX_GPIO_LINE_A(3)
#define EP93XX_GPIO_LINE_EGPIO4		EP93XX_GPIO_LINE_A(4)
#define EP93XX_GPIO_LINE_EGPIO5		EP93XX_GPIO_LINE_A(5)
#define EP93XX_GPIO_LINE_EGPIO6		EP93XX_GPIO_LINE_A(6)
#define EP93XX_GPIO_LINE_EGPIO7		EP93XX_GPIO_LINE_A(7)

/* GPIO port B.  */
#define EP93XX_GPIO_LINE_B(x)		((x) + 8)
#define EP93XX_GPIO_LINE_EGPIO8		EP93XX_GPIO_LINE_B(0)
#define EP93XX_GPIO_LINE_EGPIO9		EP93XX_GPIO_LINE_B(1)
#define EP93XX_GPIO_LINE_EGPIO10	EP93XX_GPIO_LINE_B(2)
#define EP93XX_GPIO_LINE_EGPIO11	EP93XX_GPIO_LINE_B(3)
#define EP93XX_GPIO_LINE_EGPIO12	EP93XX_GPIO_LINE_B(4)
#define EP93XX_GPIO_LINE_EGPIO13	EP93XX_GPIO_LINE_B(5)
#define EP93XX_GPIO_LINE_EGPIO14	EP93XX_GPIO_LINE_B(6)
#define EP93XX_GPIO_LINE_EGPIO15	EP93XX_GPIO_LINE_B(7)

/* GPIO port C.  */
#define EP93XX_GPIO_LINE_C(x)		((x) + 40)
#define EP93XX_GPIO_LINE_ROW0		EP93XX_GPIO_LINE_C(0)
#define EP93XX_GPIO_LINE_ROW1		EP93XX_GPIO_LINE_C(1)
#define EP93XX_GPIO_LINE_ROW2		EP93XX_GPIO_LINE_C(2)
#define EP93XX_GPIO_LINE_ROW3		EP93XX_GPIO_LINE_C(3)
#define EP93XX_GPIO_LINE_ROW4		EP93XX_GPIO_LINE_C(4)
#define EP93XX_GPIO_LINE_ROW5		EP93XX_GPIO_LINE_C(5)
#define EP93XX_GPIO_LINE_ROW6		EP93XX_GPIO_LINE_C(6)
#define EP93XX_GPIO_LINE_ROW7		EP93XX_GPIO_LINE_C(7)

/* GPIO port D.  */
#define EP93XX_GPIO_LINE_D(x)		((x) + 24)
#define EP93XX_GPIO_LINE_COL0		EP93XX_GPIO_LINE_D(0)
#define EP93XX_GPIO_LINE_COL1		EP93XX_GPIO_LINE_D(1)
#define EP93XX_GPIO_LINE_COL2		EP93XX_GPIO_LINE_D(2)
#define EP93XX_GPIO_LINE_COL3		EP93XX_GPIO_LINE_D(3)
#define EP93XX_GPIO_LINE_COL4		EP93XX_GPIO_LINE_D(4)
#define EP93XX_GPIO_LINE_COL5		EP93XX_GPIO_LINE_D(5)
#define EP93XX_GPIO_LINE_COL6		EP93XX_GPIO_LINE_D(6)
#define EP93XX_GPIO_LINE_COL7		EP93XX_GPIO_LINE_D(7)

/* GPIO port E.  */
#define EP93XX_GPIO_LINE_E(x)		((x) + 32)
#define EP93XX_GPIO_LINE_GRLED		EP93XX_GPIO_LINE_E(0)
#define EP93XX_GPIO_LINE_RDLED		EP93XX_GPIO_LINE_E(1)
#define EP93XX_GPIO_LINE_DIORn		EP93XX_GPIO_LINE_E(2)
#define EP93XX_GPIO_LINE_IDECS1n	EP93XX_GPIO_LINE_E(3)
#define EP93XX_GPIO_LINE_IDECS2n	EP93XX_GPIO_LINE_E(4)
#define EP93XX_GPIO_LINE_IDEDA0		EP93XX_GPIO_LINE_E(5)
#define EP93XX_GPIO_LINE_IDEDA1		EP93XX_GPIO_LINE_E(6)
#define EP93XX_GPIO_LINE_IDEDA2		EP93XX_GPIO_LINE_E(7)

/* GPIO port F.  */
#define EP93XX_GPIO_LINE_F(x)		((x) + 16)
#define EP93XX_GPIO_LINE_WP		EP93XX_GPIO_LINE_F(0)
#define EP93XX_GPIO_LINE_MCCD1		EP93XX_GPIO_LINE_F(1)
#define EP93XX_GPIO_LINE_MCCD2		EP93XX_GPIO_LINE_F(2)
#define EP93XX_GPIO_LINE_MCBVD1		EP93XX_GPIO_LINE_F(3)
#define EP93XX_GPIO_LINE_MCBVD2		EP93XX_GPIO_LINE_F(4)
#define EP93XX_GPIO_LINE_VS1		EP93XX_GPIO_LINE_F(5)
#define EP93XX_GPIO_LINE_READY		EP93XX_GPIO_LINE_F(6)
#define EP93XX_GPIO_LINE_VS2		EP93XX_GPIO_LINE_F(7)

/* GPIO port G.  */
#define EP93XX_GPIO_LINE_G(x)		((x) + 48)
#define EP93XX_GPIO_LINE_EECLK		EP93XX_GPIO_LINE_G(0)
#define EP93XX_GPIO_LINE_EEDAT		EP93XX_GPIO_LINE_G(1)
#define EP93XX_GPIO_LINE_SLA0		EP93XX_GPIO_LINE_G(2)
#define EP93XX_GPIO_LINE_SLA1		EP93XX_GPIO_LINE_G(3)
#define EP93XX_GPIO_LINE_DD12		EP93XX_GPIO_LINE_G(4)
#define EP93XX_GPIO_LINE_DD13		EP93XX_GPIO_LINE_G(5)
#define EP93XX_GPIO_LINE_DD14		EP93XX_GPIO_LINE_G(6)
#define EP93XX_GPIO_LINE_DD15		EP93XX_GPIO_LINE_G(7)

/* GPIO port H.  */
#define EP93XX_GPIO_LINE_H(x)		((x) + 56)
#define EP93XX_GPIO_LINE_DD0		EP93XX_GPIO_LINE_H(0)
#define EP93XX_GPIO_LINE_DD1		EP93XX_GPIO_LINE_H(1)
#define EP93XX_GPIO_LINE_DD2		EP93XX_GPIO_LINE_H(2)
#define EP93XX_GPIO_LINE_DD3		EP93XX_GPIO_LINE_H(3)
#define EP93XX_GPIO_LINE_DD4		EP93XX_GPIO_LINE_H(4)
#define EP93XX_GPIO_LINE_DD5		EP93XX_GPIO_LINE_H(5)
#define EP93XX_GPIO_LINE_DD6		EP93XX_GPIO_LINE_H(6)
#define EP93XX_GPIO_LINE_DD7		EP93XX_GPIO_LINE_H(7)

/* maximum value for gpio line identifiers */
#define EP93XX_GPIO_LINE_MAX		EP93XX_GPIO_LINE_H(7)

/* maximum value for irq capable line identifiers */
#define EP93XX_GPIO_LINE_MAX_IRQ	EP93XX_GPIO_LINE_F(7)

extern void ep93xx_gpio_int_debounce(unsigned int irq, int enable);

/* new generic GPIO API - see Documentation/gpio.txt */

#include <asm-generic/gpio.h>

#define gpio_get_value	__gpio_get_value
#define gpio_set_value	__gpio_set_value
#define gpio_cansleep	__gpio_cansleep

/*
 * Map GPIO A0..A7  (0..7)  to irq 64..71,
 *          B0..B7  (7..15) to irq 72..79, and
 *          F0..F7 (16..24) to irq 80..87.
 */
static inline int gpio_to_irq(unsigned gpio)
{
	if (gpio <= EP93XX_GPIO_LINE_MAX_IRQ)
		return 64 + gpio;

	return -EINVAL;
}

static inline int irq_to_gpio(unsigned irq)
{
	return irq - gpio_to_irq(0);
}

#endif
OpenPOWER on IntegriCloud