linux/drivers/pinctrl/pinctrl-exynos.h
Tomasz Figa ee2f573c42 pinctrl: exynos: Set pin function to EINT in irq_set_type of GPIO EINTa
Pins used as GPIO interrupts need to be configured as EINTs. This patch
adds the required configuration code to exynos_gpio_irq_set_type,
to set the pin as EINT when its interrupt trigger is configured.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-09-21 07:33:48 +09:00

219 lines
8.4 KiB
C

/*
* Exynos specific definitions for Samsung pinctrl and gpiolib driver.
*
* Copyright (c) 2012 Samsung Electronics Co., Ltd.
* http://www.samsung.com
* Copyright (c) 2012 Linaro Ltd
* http://www.linaro.org
*
* This file contains the Exynos specific definitions for the Samsung
* pinctrl/gpiolib interface drivers.
*
* Author: Thomas Abraham <thomas.ab@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#define EXYNOS_GPIO_START(__gpio) ((__gpio##_START) + (__gpio##_NR))
#define EXYNOS4210_GPIO_A0_NR (8)
#define EXYNOS4210_GPIO_A1_NR (6)
#define EXYNOS4210_GPIO_B_NR (8)
#define EXYNOS4210_GPIO_C0_NR (5)
#define EXYNOS4210_GPIO_C1_NR (5)
#define EXYNOS4210_GPIO_D0_NR (4)
#define EXYNOS4210_GPIO_D1_NR (4)
#define EXYNOS4210_GPIO_E0_NR (5)
#define EXYNOS4210_GPIO_E1_NR (8)
#define EXYNOS4210_GPIO_E2_NR (6)
#define EXYNOS4210_GPIO_E3_NR (8)
#define EXYNOS4210_GPIO_E4_NR (8)
#define EXYNOS4210_GPIO_F0_NR (8)
#define EXYNOS4210_GPIO_F1_NR (8)
#define EXYNOS4210_GPIO_F2_NR (8)
#define EXYNOS4210_GPIO_F3_NR (6)
#define EXYNOS4210_GPIO_J0_NR (8)
#define EXYNOS4210_GPIO_J1_NR (5)
#define EXYNOS4210_GPIO_K0_NR (7)
#define EXYNOS4210_GPIO_K1_NR (7)
#define EXYNOS4210_GPIO_K2_NR (7)
#define EXYNOS4210_GPIO_K3_NR (7)
#define EXYNOS4210_GPIO_L0_NR (8)
#define EXYNOS4210_GPIO_L1_NR (3)
#define EXYNOS4210_GPIO_L2_NR (8)
#define EXYNOS4210_GPIO_Y0_NR (6)
#define EXYNOS4210_GPIO_Y1_NR (4)
#define EXYNOS4210_GPIO_Y2_NR (6)
#define EXYNOS4210_GPIO_Y3_NR (8)
#define EXYNOS4210_GPIO_Y4_NR (8)
#define EXYNOS4210_GPIO_Y5_NR (8)
#define EXYNOS4210_GPIO_Y6_NR (8)
#define EXYNOS4210_GPIO_X0_NR (8)
#define EXYNOS4210_GPIO_X1_NR (8)
#define EXYNOS4210_GPIO_X2_NR (8)
#define EXYNOS4210_GPIO_X3_NR (8)
#define EXYNOS4210_GPIO_Z_NR (7)
enum exynos4210_gpio_xa_start {
EXYNOS4210_GPIO_A0_START = 0,
EXYNOS4210_GPIO_A1_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_A0),
EXYNOS4210_GPIO_B_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_A1),
EXYNOS4210_GPIO_C0_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_B),
EXYNOS4210_GPIO_C1_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_C0),
EXYNOS4210_GPIO_D0_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_C1),
EXYNOS4210_GPIO_D1_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_D0),
EXYNOS4210_GPIO_E0_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_D1),
EXYNOS4210_GPIO_E1_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_E0),
EXYNOS4210_GPIO_E2_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_E1),
EXYNOS4210_GPIO_E3_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_E2),
EXYNOS4210_GPIO_E4_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_E3),
EXYNOS4210_GPIO_F0_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_E4),
EXYNOS4210_GPIO_F1_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_F0),
EXYNOS4210_GPIO_F2_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_F1),
EXYNOS4210_GPIO_F3_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_F2),
};
enum exynos4210_gpio_xb_start {
EXYNOS4210_GPIO_J0_START = 0,
EXYNOS4210_GPIO_J1_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_J0),
EXYNOS4210_GPIO_K0_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_J1),
EXYNOS4210_GPIO_K1_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_K0),
EXYNOS4210_GPIO_K2_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_K1),
EXYNOS4210_GPIO_K3_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_K2),
EXYNOS4210_GPIO_L0_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_K3),
EXYNOS4210_GPIO_L1_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_L0),
EXYNOS4210_GPIO_L2_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_L1),
EXYNOS4210_GPIO_Y0_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_L2),
EXYNOS4210_GPIO_Y1_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_Y0),
EXYNOS4210_GPIO_Y2_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_Y1),
EXYNOS4210_GPIO_Y3_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_Y2),
EXYNOS4210_GPIO_Y4_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_Y3),
EXYNOS4210_GPIO_Y5_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_Y4),
EXYNOS4210_GPIO_Y6_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_Y5),
EXYNOS4210_GPIO_X0_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_Y6),
EXYNOS4210_GPIO_X1_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_X0),
EXYNOS4210_GPIO_X2_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_X1),
EXYNOS4210_GPIO_X3_START = EXYNOS_GPIO_START(EXYNOS4210_GPIO_X2),
};
enum exynos4210_gpio_xc_start {
EXYNOS4210_GPIO_Z_START = 0,
};
#define EXYNOS4210_GPIO_A0_IRQ EXYNOS4210_GPIO_A0_START
#define EXYNOS4210_GPIO_A1_IRQ EXYNOS4210_GPIO_A1_START
#define EXYNOS4210_GPIO_B_IRQ EXYNOS4210_GPIO_B_START
#define EXYNOS4210_GPIO_C0_IRQ EXYNOS4210_GPIO_C0_START
#define EXYNOS4210_GPIO_C1_IRQ EXYNOS4210_GPIO_C1_START
#define EXYNOS4210_GPIO_D0_IRQ EXYNOS4210_GPIO_D0_START
#define EXYNOS4210_GPIO_D1_IRQ EXYNOS4210_GPIO_D1_START
#define EXYNOS4210_GPIO_E0_IRQ EXYNOS4210_GPIO_E0_START
#define EXYNOS4210_GPIO_E1_IRQ EXYNOS4210_GPIO_E1_START
#define EXYNOS4210_GPIO_E2_IRQ EXYNOS4210_GPIO_E2_START
#define EXYNOS4210_GPIO_E3_IRQ EXYNOS4210_GPIO_E3_START
#define EXYNOS4210_GPIO_E4_IRQ EXYNOS4210_GPIO_E4_START
#define EXYNOS4210_GPIO_F0_IRQ EXYNOS4210_GPIO_F0_START
#define EXYNOS4210_GPIO_F1_IRQ EXYNOS4210_GPIO_F1_START
#define EXYNOS4210_GPIO_F2_IRQ EXYNOS4210_GPIO_F2_START
#define EXYNOS4210_GPIO_F3_IRQ EXYNOS4210_GPIO_F3_START
#define EXYNOS4210_GPIO_J0_IRQ EXYNOS4210_GPIO_J0_START
#define EXYNOS4210_GPIO_J1_IRQ EXYNOS4210_GPIO_J1_START
#define EXYNOS4210_GPIO_K0_IRQ EXYNOS4210_GPIO_K0_START
#define EXYNOS4210_GPIO_K1_IRQ EXYNOS4210_GPIO_K1_START
#define EXYNOS4210_GPIO_K2_IRQ EXYNOS4210_GPIO_K2_START
#define EXYNOS4210_GPIO_K3_IRQ EXYNOS4210_GPIO_K3_START
#define EXYNOS4210_GPIO_L0_IRQ EXYNOS4210_GPIO_L0_START
#define EXYNOS4210_GPIO_L1_IRQ EXYNOS4210_GPIO_L1_START
#define EXYNOS4210_GPIO_L2_IRQ EXYNOS4210_GPIO_L2_START
#define EXYNOS4210_GPIO_Z_IRQ EXYNOS4210_GPIO_Z_START
#define EXYNOS4210_GPIOA_NR_PINS EXYNOS_GPIO_START(EXYNOS4210_GPIO_F3)
#define EXYNOS4210_GPIOA_NR_GINT EXYNOS_GPIO_START(EXYNOS4210_GPIO_F3)
#define EXYNOS4210_GPIOB_NR_PINS EXYNOS_GPIO_START(EXYNOS4210_GPIO_X3)
#define EXYNOS4210_GPIOB_NR_GINT EXYNOS_GPIO_START(EXYNOS4210_GPIO_L2)
#define EXYNOS4210_GPIOC_NR_PINS EXYNOS_GPIO_START(EXYNOS4210_GPIO_Z)
/* External GPIO and wakeup interrupt related definitions */
#define EXYNOS_GPIO_ECON_OFFSET 0x700
#define EXYNOS_GPIO_EMASK_OFFSET 0x900
#define EXYNOS_GPIO_EPEND_OFFSET 0xA00
#define EXYNOS_WKUP_ECON_OFFSET 0xE00
#define EXYNOS_WKUP_EMASK_OFFSET 0xF00
#define EXYNOS_WKUP_EPEND_OFFSET 0xF40
#define EXYNOS_SVC_OFFSET 0xB08
#define EXYNOS_EINT_FUNC 0xF
/* helpers to access interrupt service register */
#define EXYNOS_SVC_GROUP_SHIFT 3
#define EXYNOS_SVC_GROUP_MASK 0x1f
#define EXYNOS_SVC_NUM_MASK 7
#define EXYNOS_SVC_GROUP(x) ((x >> EXYNOS_SVC_GROUP_SHIFT) & \
EXYNOS_SVC_GROUP_MASK)
/* Exynos specific external interrupt trigger types */
#define EXYNOS_EINT_LEVEL_LOW 0
#define EXYNOS_EINT_LEVEL_HIGH 1
#define EXYNOS_EINT_EDGE_FALLING 2
#define EXYNOS_EINT_EDGE_RISING 3
#define EXYNOS_EINT_EDGE_BOTH 4
#define EXYNOS_EINT_CON_MASK 0xF
#define EXYNOS_EINT_CON_LEN 4
#define EXYNOS_EINT_MAX_PER_BANK 8
#define EXYNOS_EINT_NR_WKUP_EINT
#define EXYNOS_PIN_BANK_EINTN(reg, __gpio, id) \
{ \
.pctl_offset = reg, \
.pin_base = (__gpio##_START), \
.nr_pins = (__gpio##_NR), \
.func_width = 4, \
.pud_width = 2, \
.drv_width = 2, \
.conpdn_width = 2, \
.pudpdn_width = 2, \
.eint_type = EINT_TYPE_NONE, \
.name = id \
}
#define EXYNOS_PIN_BANK_EINTG(reg, __gpio, id) \
{ \
.pctl_offset = reg, \
.pin_base = (__gpio##_START), \
.nr_pins = (__gpio##_NR), \
.func_width = 4, \
.pud_width = 2, \
.drv_width = 2, \
.conpdn_width = 2, \
.pudpdn_width = 2, \
.eint_type = EINT_TYPE_GPIO, \
.irq_base = (__gpio##_IRQ), \
.name = id \
}
/**
* struct exynos_geint_data: gpio eint specific data for irq_chip callbacks.
* @bank: pin bank from which this gpio interrupt originates.
* @pin: pin number within the bank.
* @eint_offset: offset to be added to the con/pend/mask register bank base.
*/
struct exynos_geint_data {
struct samsung_pin_bank *bank;
u32 pin;
u32 eint_offset;
};
/**
* struct exynos_weint_data: irq specific data for all the wakeup interrupts
* generated by the external wakeup interrupt controller.
* @domain: irq domain representing the external wakeup interrupts
* @irq: interrupt number within the domain.
*/
struct exynos_weint_data {
struct irq_domain *domain;
u32 irq;
};