linux/drivers/pinctrl/pinctrl-exynos.h
<<
>>
Prefs
   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_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
  29
  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)
  36
  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
  45
  46#define EXYNOS_EINT_MAX_PER_BANK        8
  47#define EXYNOS_EINT_NR_WKUP_EINT
  48
  49#define EXYNOS_PIN_BANK_EINTN(pins, reg, id)            \
  50        {                                               \
  51                .pctl_offset    = reg,                  \
  52                .nr_pins        = pins,                 \
  53                .func_width     = 4,                    \
  54                .pud_width      = 2,                    \
  55                .drv_width      = 2,                    \
  56                .conpdn_width   = 2,                    \
  57                .pudpdn_width   = 2,                    \
  58                .eint_type      = EINT_TYPE_NONE,       \
  59                .name           = id                    \
  60        }
  61
  62#define EXYNOS_PIN_BANK_EINTG(pins, reg, id, offs)      \
  63        {                                               \
  64                .pctl_offset    = reg,                  \
  65                .nr_pins        = pins,                 \
  66                .func_width     = 4,                    \
  67                .pud_width      = 2,                    \
  68                .drv_width      = 2,                    \
  69                .conpdn_width   = 2,                    \
  70                .pudpdn_width   = 2,                    \
  71                .eint_type      = EINT_TYPE_GPIO,       \
  72                .eint_offset    = offs,                 \
  73                .name           = id                    \
  74        }
  75
  76#define EXYNOS_PIN_BANK_EINTW(pins, reg, id, offs)      \
  77        {                                               \
  78                .pctl_offset    = reg,                  \
  79                .nr_pins        = pins,                 \
  80                .func_width     = 4,                    \
  81                .pud_width      = 2,                    \
  82                .drv_width      = 2,                    \
  83                .eint_type      = EINT_TYPE_WKUP,       \
  84                .eint_offset    = offs,                 \
  85                .name           = id                    \
  86        }
  87
  88/**
  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
  93 */
  94struct exynos_weint_data {
  95        unsigned int irq;
  96        struct samsung_pin_bank *bank;
  97};
  98
  99/**
 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
 104 */
 105struct exynos_muxed_weint_data {
 106        unsigned int nr_banks;
 107        struct samsung_pin_bank *banks[];
 108};
 109
lxr.linux.no kindly hosted by Redpill Linpro AS, provider of Linux consulting and operations services since 1995.