max7360.h

  1/* SPDX-License-Identifier: GPL-2.0-only */
  2
  3#ifndef __LINUX_MFD_MAX7360_H
  4#define __LINUX_MFD_MAX7360_H
  5
  6#include <linux/bits.h>
  7
  8#define MAX7360_MAX_KEY_ROWS		8
  9#define MAX7360_MAX_KEY_COLS		8
 10#define MAX7360_MAX_KEY_NUM		(MAX7360_MAX_KEY_ROWS * MAX7360_MAX_KEY_COLS)
 11#define MAX7360_ROW_SHIFT		3
 12
 13#define MAX7360_MAX_GPIO		8
 14#define MAX7360_MAX_GPO			6
 15#define MAX7360_PORT_PWM_COUNT		8
 16#define MAX7360_PORT_RTR_PIN		(MAX7360_PORT_PWM_COUNT - 1)
 17
 18/*
 19 * MAX7360 registers
 20 */
 21#define MAX7360_REG_KEYFIFO		0x00
 22#define MAX7360_REG_CONFIG		0x01
 23#define MAX7360_REG_DEBOUNCE		0x02
 24#define MAX7360_REG_INTERRUPT		0x03
 25#define MAX7360_REG_PORTS		0x04
 26#define MAX7360_REG_KEYREP		0x05
 27#define MAX7360_REG_SLEEP		0x06
 28
 29/*
 30 * MAX7360 GPIO registers
 31 *
 32 * All these registers are reset together when writing bit 3 of
 33 * MAX7360_REG_GPIOCFG.
 34 */
 35#define MAX7360_REG_GPIOCFG		0x40
 36#define MAX7360_REG_GPIOCTRL		0x41
 37#define MAX7360_REG_GPIODEB		0x42
 38#define MAX7360_REG_GPIOCURR		0x43
 39#define MAX7360_REG_GPIOOUTM		0x44
 40#define MAX7360_REG_PWMCOM		0x45
 41#define MAX7360_REG_RTRCFG		0x46
 42#define MAX7360_REG_I2C_TIMEOUT		0x48
 43#define MAX7360_REG_GPIOIN		0x49
 44#define MAX7360_REG_RTR_CNT		0x4A
 45#define MAX7360_REG_PWMBASE		0x50
 46#define MAX7360_REG_PWMCFGBASE		0x58
 47
 48#define MAX7360_REG_GPIO_LAST		0x5F
 49
 50#define MAX7360_REG_PWM(x)		(MAX7360_REG_PWMBASE + (x))
 51#define MAX7360_REG_PWMCFG(x)		(MAX7360_REG_PWMCFGBASE + (x))
 52
 53/*
 54 * Configuration register bits
 55 */
 56#define MAX7360_FIFO_EMPTY		0x3F
 57#define MAX7360_FIFO_OVERFLOW		0x7F
 58#define MAX7360_FIFO_RELEASE		BIT(6)
 59#define MAX7360_FIFO_COL		GENMASK(5, 3)
 60#define MAX7360_FIFO_ROW		GENMASK(2, 0)
 61
 62#define MAX7360_CFG_SLEEP		BIT(7)
 63#define MAX7360_CFG_INTERRUPT		BIT(5)
 64#define MAX7360_CFG_KEY_RELEASE		BIT(3)
 65#define MAX7360_CFG_WAKEUP		BIT(1)
 66#define MAX7360_CFG_TIMEOUT		BIT(0)
 67
 68#define MAX7360_DEBOUNCE		GENMASK(4, 0)
 69#define MAX7360_DEBOUNCE_MIN		9
 70#define MAX7360_DEBOUNCE_MAX		40
 71#define MAX7360_PORTS			GENMASK(8, 5)
 72
 73#define MAX7360_INTERRUPT_TIME_MASK	GENMASK(4, 0)
 74#define MAX7360_INTERRUPT_FIFO_MASK	GENMASK(7, 5)
 75
 76#define MAX7360_PORT_CFG_INTERRUPT_MASK		BIT(7)
 77#define MAX7360_PORT_CFG_INTERRUPT_EDGES	BIT(6)
 78#define MAX7360_PORT_CFG_COMMON_PWM		BIT(5)
 79
 80/*
 81 * Autosleep register values
 82 */
 83#define MAX7360_AUTOSLEEP_8192MS	0x01
 84#define MAX7360_AUTOSLEEP_4096MS	0x02
 85#define MAX7360_AUTOSLEEP_2048MS	0x03
 86#define MAX7360_AUTOSLEEP_1024MS	0x04
 87#define MAX7360_AUTOSLEEP_512MS		0x05
 88#define MAX7360_AUTOSLEEP_256MS		0x06
 89
 90#define MAX7360_GPIO_CFG_RTR_EN		BIT(7)
 91#define MAX7360_GPIO_CFG_GPIO_EN	BIT(4)
 92#define MAX7360_GPIO_CFG_GPIO_RST	BIT(3)
 93
 94#define MAX7360_ROT_DEBOUNCE		GENMASK(3, 0)
 95#define MAX7360_ROT_DEBOUNCE_MIN	0
 96#define MAX7360_ROT_DEBOUNCE_MAX	15
 97#define MAX7360_ROT_INTCNT		GENMASK(6, 4)
 98#define MAX7360_ROT_INTCNT_DLY		BIT(7)
 99
100#define MAX7360_INT_INTI		0
101#define MAX7360_INT_INTK		1
102
103#define MAX7360_INT_GPIO		0
104#define MAX7360_INT_KEYPAD		1
105#define MAX7360_INT_ROTARY		2
106
107#define MAX7360_NR_INTERNAL_IRQS	3
108
109#endif