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Diffstat (limited to 'drivers/pinctrl/samsung/pinctrl-exynos.h')
-rw-r--r--drivers/pinctrl/samsung/pinctrl-exynos.h99
1 files changed, 99 insertions, 0 deletions
diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.h b/drivers/pinctrl/samsung/pinctrl-exynos.h
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index 000000000000..3c91c357792f
--- /dev/null
+++ b/drivers/pinctrl/samsung/pinctrl-exynos.h
@@ -0,0 +1,99 @@
1/*
2 * Exynos specific definitions for Samsung pinctrl and gpiolib driver.
3 *
4 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com
6 * Copyright (c) 2012 Linaro Ltd
7 * http://www.linaro.org
8 *
9 * This file contains the Exynos specific definitions for the Samsung
10 * pinctrl/gpiolib interface drivers.
11 *
12 * Author: Thomas Abraham <thomas.ab@samsung.com>
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
18 */
19
20/* External GPIO and wakeup interrupt related definitions */
21#define EXYNOS_GPIO_ECON_OFFSET 0x700
22#define EXYNOS_GPIO_EFLTCON_OFFSET 0x800
23#define EXYNOS_GPIO_EMASK_OFFSET 0x900
24#define EXYNOS_GPIO_EPEND_OFFSET 0xA00
25#define EXYNOS_WKUP_ECON_OFFSET 0xE00
26#define EXYNOS_WKUP_EMASK_OFFSET 0xF00
27#define EXYNOS_WKUP_EPEND_OFFSET 0xF40
28#define EXYNOS_SVC_OFFSET 0xB08
29#define EXYNOS_EINT_FUNC 0xF
30
31/* helpers to access interrupt service register */
32#define EXYNOS_SVC_GROUP_SHIFT 3
33#define EXYNOS_SVC_GROUP_MASK 0x1f
34#define EXYNOS_SVC_NUM_MASK 7
35#define EXYNOS_SVC_GROUP(x) ((x >> EXYNOS_SVC_GROUP_SHIFT) & \
36 EXYNOS_SVC_GROUP_MASK)
37
38/* Exynos specific external interrupt trigger types */
39#define EXYNOS_EINT_LEVEL_LOW 0
40#define EXYNOS_EINT_LEVEL_HIGH 1
41#define EXYNOS_EINT_EDGE_FALLING 2
42#define EXYNOS_EINT_EDGE_RISING 3
43#define EXYNOS_EINT_EDGE_BOTH 4
44#define EXYNOS_EINT_CON_MASK 0xF
45#define EXYNOS_EINT_CON_LEN 4
46
47#define EXYNOS_EINT_MAX_PER_BANK 8
48#define EXYNOS_EINT_NR_WKUP_EINT
49
50#define EXYNOS_PIN_BANK_EINTN(pins, reg, id) \
51 { \
52 .type = &bank_type_off, \
53 .pctl_offset = reg, \
54 .nr_pins = pins, \
55 .eint_type = EINT_TYPE_NONE, \
56 .name = id \
57 }
58
59#define EXYNOS_PIN_BANK_EINTG(pins, reg, id, offs) \
60 { \
61 .type = &bank_type_off, \
62 .pctl_offset = reg, \
63 .nr_pins = pins, \
64 .eint_type = EINT_TYPE_GPIO, \
65 .eint_offset = offs, \
66 .name = id \
67 }
68
69#define EXYNOS_PIN_BANK_EINTW(pins, reg, id, offs) \
70 { \
71 .type = &bank_type_alive, \
72 .pctl_offset = reg, \
73 .nr_pins = pins, \
74 .eint_type = EINT_TYPE_WKUP, \
75 .eint_offset = offs, \
76 .name = id \
77 }
78
79/**
80 * struct exynos_weint_data: irq specific data for all the wakeup interrupts
81 * generated by the external wakeup interrupt controller.
82 * @irq: interrupt number within the domain.
83 * @bank: bank responsible for this interrupt
84 */
85struct exynos_weint_data {
86 unsigned int irq;
87 struct samsung_pin_bank *bank;
88};
89
90/**
91 * struct exynos_muxed_weint_data: irq specific data for muxed wakeup interrupts
92 * generated by the external wakeup interrupt controller.
93 * @nr_banks: count of banks being part of the mux
94 * @banks: array of banks being part of the mux
95 */
96struct exynos_muxed_weint_data {
97 unsigned int nr_banks;
98 struct samsung_pin_bank *banks[];
99};