/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Analog Devices ADP5585 I/O Expander, keypad controller,
 * PWM contorller.
 *
 * Copyright 2022 NXP
 */

#ifndef __ADP5585_H_
#define __ADP5585_H_

#define ADP5585_ID			0x00
#define ADP5585_INT_STATUS		0x01
#define ADP5585_STATUS			0x02
#define ADP5585_FIFO_1			0x03
#define ADP5585_FIFO_2			0x04
#define ADP5585_FIFO_3			0x05
#define ADP5585_FIFO_4			0x06
#define ADP5585_FIFO_5			0x07
#define ADP5585_FIFO_6			0x08
#define ADP5585_FIFO_7			0x09
#define ADP5585_FIFO_8			0x0A
#define ADP5585_FIFO_9			0x0B
#define ADP5585_FIFO_10			0x0C
#define ADP5585_FIFO_11			0x0D
#define ADP5585_FIFO_12			0x0E
#define ADP5585_FIFO_13			0x0F
#define ADP5585_FIFO_14			0x10
#define ADP5585_FIFO_15			0x11
#define ADP5585_FIFO_16			0x12
#define ADP5585_GPI_INT_STAT_A		0x13
#define ADP5585_GPI_INT_STAT_B		0x14
#define ADP5585_GPI_STATUS_A		0x15
#define ADP5585_GPI_STATUS_B		0x16
#define ADP5585_RPULL_CONFIG_A		0x17
#define ADP5585_RPULL_CONFIG_B		0x18
#define ADP5585_RPULL_CONFIG_C		0x19
#define ADP5585_RPULL_CONFIG_D		0x1A
#define ADP5585_GPI_INT_LEVEL_A		0x1B
#define ADP5585_GPI_INT_LEVEL_B		0x1C
#define ADP5585_GPI_EVENT_EN_A		0x1D
#define ADP5585_GPI_EVENT_EN_B		0x1E
#define ADP5585_GPI_INTERRUPT_EN_A	0x1F
#define ADP5585_GPI_INTERRUPT_EN_B	0x20
#define ADP5585_DEBOUNCE_DIS_A		0x21
#define ADP5585_DEBOUNCE_DIS_B		0x22
#define ADP5585_GPO_DATA_OUT_A		0x23
#define ADP5585_GPO_DATA_OUT_B		0x24
#define ADP5585_GPO_OUT_MODE_A		0x25
#define ADP5585_GPO_OUT_MODE_B		0x26
#define ADP5585_GPIO_DIRECTION_A	0x27
#define ADP5585_GPIO_DIRECTION_B	0x28
#define ADP5585_RESET1_EVENT_A		0x29
#define ADP5585_RESET1_EVENT_B		0x2A
#define ADP5585_RESET1_EVENT_C		0x2B
#define ADP5585_RESET2_EVENT_A		0x2C
#define ADP5585_RESET2_EVENT_B		0x2D
#define ADP5585_RESET_CFG		0x2E
#define ADP5585_PWM_OFFT_LOW		0x2F
#define ADP5585_PWM_OFFT_HIGH		0x30
#define ADP5585_PWM_ONT_LOW		0x31
#define ADP5585_PWM_ONT_HIGH		0x32
#define ADP5585_PWM_CFG			0x33
#define ADP5585_LOGIC_CFG		0x34
#define ADP5585_LOGIC_FF_CFG		0x35
#define ADP5585_LOGIC_INT_EVENT_EN	0x36
#define ADP5585_POLL_PTIME_CFG		0x37
#define ADP5585_PIN_CONFIG_A		0x38
#define ADP5585_PIN_CONFIG_B		0x39
#define ADP5585_PIN_CONFIG_C		0x3A
#define ADP5585_GENERAL_CFG		0x3B
#define ADP5585_INT_EN			0x3C

/* ID Register */
#define ADP5585_DEVICE_ID_MASK	0xF
#define ADP5585_MAN_ID_MASK	0xF
#define ADP5585_MAN_ID_SHIFT	4
#define ADP5585_MAN_ID		0x02

#define ADP5585_PWM_CFG_EN		0x1
#define ADP5585_PWM_CFG_MODE		0x2
#define ADP5585_PIN_CONFIG_R3_PWM	0x8
#define ADP5585_PIN_CONFIG_R3_MASK	0xC
#define ADP5585_GENERAL_CFG_OSC_EN	0x80

#define ADP5585_REG_MASK		0xFF

#define ADP5585_BANK(offs)		((offs) > 4)
#define ADP5585_BIT(offs)		(offs > 4 ? \
					1u << (offs - 5) : 1u << (offs))

struct adp5585_dev {
	struct device *dev;
	struct i2c_client *i2c_client;

	int (*read_reg)(struct adp5585_dev *adp5585, u8 reg, u8 *val);
	int (*write_reg)(struct adp5585_dev *adp5585, u8 reg, u8 val);
};

#endif