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_EMASK_OFFSET 0x900
23 #define EXYNOS_GPIO_EPEND_OFFSET 0xA00
24 #define EXYNOS_WKUP_ECON_OFFSET 0xE00
25 #define EXYNOS_WKUP_EMASK_OFFSET 0xF00
26 #define EXYNOS_WKUP_EPEND_OFFSET 0xF40
27 #define EXYNOS_SVC_OFFSET 0xB08
28 #define EXYNOS_EINT_FUNC 0xF
30 /* helpers to access interrupt service register */
31 #define EXYNOS_SVC_GROUP_SHIFT 3
32 #define EXYNOS_SVC_GROUP_MASK 0x1f
33 #define EXYNOS_SVC_NUM_MASK 7
34 #define EXYNOS_SVC_GROUP(x) ((x >> EXYNOS_SVC_GROUP_SHIFT) & \
35 EXYNOS_SVC_GROUP_MASK)
37 /* Exynos specific external interrupt trigger types */
38 #define EXYNOS_EINT_LEVEL_LOW 0
39 #define EXYNOS_EINT_LEVEL_HIGH 1
40 #define EXYNOS_EINT_EDGE_FALLING 2
41 #define EXYNOS_EINT_EDGE_RISING 3
42 #define EXYNOS_EINT_EDGE_BOTH 4
43 #define EXYNOS_EINT_CON_MASK 0xF
44 #define EXYNOS_EINT_CON_LEN 4
46 #define EXYNOS_EINT_MAX_PER_BANK 8
47 #define EXYNOS_EINT_NR_WKUP_EINT
49 #define EXYNOS_PIN_BANK_EINTN(pins, reg, id) \
58 .eint_type = EINT_TYPE_NONE, \
62 #define EXYNOS_PIN_BANK_EINTG(pins, reg, id, offs) \
71 .eint_type = EINT_TYPE_GPIO, \
72 .eint_offset = offs, \
76 #define EXYNOS_PIN_BANK_EINTW(pins, reg, id, offs) \
83 .eint_type = EINT_TYPE_WKUP, \
84 .eint_offset = offs, \
89 * struct exynos_weint_data: irq specific data for all the wakeup interrupts
90 * generated by the external wakeup interrupt controller.
91 * @irq: interrupt number within the domain.
92 * @bank: bank responsible for this interrupt
94 struct exynos_weint_data {
96 struct samsung_pin_bank *bank;
100 * struct exynos_muxed_weint_data: irq specific data for muxed wakeup interrupts
101 * generated by the external wakeup interrupt controller.
102 * @nr_banks: count of banks being part of the mux
103 * @banks: array of banks being part of the mux
105 struct exynos_muxed_weint_data {
106 unsigned int nr_banks;
107 struct samsung_pin_bank *banks[];