2 * Exynos specific definitions for Samsung pinctrl and gpiolib driver.
4 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com
6 * Copyright (c) 2012 Linaro Ltd
7 * http://www.linaro.org
9 * This file contains the Exynos specific definitions for the Samsung
10 * pinctrl/gpiolib interface drivers.
12 * Author: Thomas Abraham <thomas.ab@samsung.com>
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.
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
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)
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
47 #define EXYNOS_EINT_MAX_PER_BANK 8
48 #define EXYNOS_EINT_NR_WKUP_EINT
50 #define EXYNOS_PIN_BANK_EINTN(pins, reg, id) \
52 .type = &bank_type_off, \
55 .eint_type = EINT_TYPE_NONE, \
59 #define EXYNOS_PIN_BANK_EINTG(pins, reg, id, offs) \
61 .type = &bank_type_off, \
64 .eint_type = EINT_TYPE_GPIO, \
65 .eint_offset = offs, \
69 #define EXYNOS_PIN_BANK_EINTW(pins, reg, id, offs) \
71 .type = &bank_type_alive, \
74 .eint_type = EINT_TYPE_WKUP, \
75 .eint_offset = offs, \
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
85 struct exynos_weint_data {
87 struct samsung_pin_bank *bank;
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
96 struct exynos_muxed_weint_data {
97 unsigned int nr_banks;
98 struct samsung_pin_bank *banks[];