linux-imx

// SPDX-License-Identifier: GPL-2.0

/*

 * Intel Crystal Cove GPIO Driver

 *

 * Copyright (C) 2012, 2014 Intel Corporation. All rights reserved.

 *

 * Author: Yang, Bin <bin.yang@intel.com>

 */

​

#include <linux/bitops.h>

#include <linux/gpio/driver.h>

#include <linux/interrupt.h>

#include <linux/mfd/intel_soc_pmic.h>

#include <linux/module.h>

#include <linux/platform_device.h>

#include <linux/regmap.h>

#include <linux/seq_file.h>

​

#define CRYSTALCOVE_GPIO_NUM    16

#define CRYSTALCOVE_VGPIO_NUM   95

​

#define UPDATE_IRQ_TYPE     BIT(0)

#define UPDATE_IRQ_MASK     BIT(1)

​

#define GPIO0IRQ        0x0b

#define GPIO1IRQ        0x0c

#define MGPIO0IRQS0     0x19

#define MGPIO1IRQS0     0x1a

#define MGPIO0IRQSX     0x1b

#define MGPIO1IRQSX     0x1c

#define GPIO0P0CTLO     0x2b

#define GPIO0P0CTLI     0x33

#define GPIO1P0CTLO     0x3b

#define GPIO1P0CTLI     0x43

#define GPIOPANELCTL        0x52

​

#define CTLI_INTCNT_DIS     (0)

#define CTLI_INTCNT_NE      (1 << 1)

#define CTLI_INTCNT_PE      (2 << 1)

#define CTLI_INTCNT_BE      (3 << 1)

​

#define CTLO_DIR_IN     (0)

#define CTLO_DIR_OUT        (1 << 5)

​

#define CTLO_DRV_CMOS       (0)

#define CTLO_DRV_OD     (1 << 4)

​

#define CTLO_DRV_REN        (1 << 3)

​

#define CTLO_RVAL_2KDW      (0)

#define CTLO_RVAL_2KUP      (1 << 1)

#define CTLO_RVAL_50KDW     (2 << 1)

#define CTLO_RVAL_50KUP     (3 << 1)

​

#define CTLO_INPUT_SET  (CTLO_DRV_CMOS | CTLO_DRV_REN | CTLO_RVAL_2KUP)

#define CTLO_OUTPUT_SET (CTLO_DIR_OUT | CTLO_INPUT_SET)

​

enum ctrl_register {

    CTRL_IN,

    CTRL_OUT,

};

​

/**