tc3589x.h

  1/* SPDX-License-Identifier: GPL-2.0-only */
  2/*
  3 * Copyright (C) ST-Ericsson SA 2010
  4 */
  5
  6#ifndef __LINUX_MFD_TC3589x_H
  7#define __LINUX_MFD_TC3589x_H
  8
  9struct device;
 10
 11enum tx3589x_block {
 12	TC3589x_BLOCK_GPIO        = 1 << 0,
 13	TC3589x_BLOCK_KEYPAD      = 1 << 1,
 14};
 15
 16#define TC3589x_RSTCTRL_IRQRST	(1 << 4)
 17#define TC3589x_RSTCTRL_TIMRST	(1 << 3)
 18#define TC3589x_RSTCTRL_ROTRST	(1 << 2)
 19#define TC3589x_RSTCTRL_KBDRST	(1 << 1)
 20#define TC3589x_RSTCTRL_GPIRST	(1 << 0)
 21
 22#define TC3589x_DKBDMSK_ELINT	(1 << 1)
 23#define TC3589x_DKBDMSK_EINT	(1 << 0)
 24
 25/* Keyboard Configuration Registers */
 26#define TC3589x_KBDSETTLE_REG   0x01
 27#define TC3589x_KBDBOUNCE       0x02
 28#define TC3589x_KBDSIZE         0x03
 29#define TC3589x_KBCFG_LSB       0x04
 30#define TC3589x_KBCFG_MSB       0x05
 31#define TC3589x_KBDIC           0x08
 32#define TC3589x_KBDMSK          0x09
 33#define TC3589x_EVTCODE_FIFO    0x10
 34#define TC3589x_KBDMFS		0x8F
 35
 36#define TC3589x_IRQST		0x91
 37
 38#define TC3589x_MANFCODE_MAGIC	0x03
 39#define TC3589x_MANFCODE	0x80
 40#define TC3589x_VERSION		0x81
 41#define TC3589x_IOCFG		0xA7
 42
 43#define TC3589x_CLKMODE		0x88
 44#define TC3589x_CLKCFG		0x89
 45#define TC3589x_CLKEN		0x8A
 46
 47#define TC3589x_RSTCTRL		0x82
 48#define TC3589x_EXTRSTN		0x83
 49#define TC3589x_RSTINTCLR	0x84
 50
 51/* Pull up/down configuration registers */
 52#define TC3589x_IOCFG           0xA7
 53#define TC3589x_IOPULLCFG0_LSB  0xAA
 54#define TC3589x_IOPULLCFG0_MSB  0xAB
 55#define TC3589x_IOPULLCFG1_LSB  0xAC
 56#define TC3589x_IOPULLCFG1_MSB  0xAD
 57#define TC3589x_IOPULLCFG2_LSB  0xAE
 58
 59#define TC3589x_GPIOIS0		0xC9
 60#define TC3589x_GPIOIS1		0xCA
 61#define TC3589x_GPIOIS2		0xCB
 62#define TC3589x_GPIOIBE0	0xCC
 63#define TC3589x_GPIOIBE1	0xCD
 64#define TC3589x_GPIOIBE2	0xCE
 65#define TC3589x_GPIOIEV0	0xCF
 66#define TC3589x_GPIOIEV1	0xD0
 67#define TC3589x_GPIOIEV2	0xD1
 68#define TC3589x_GPIOIE0		0xD2
 69#define TC3589x_GPIOIE1		0xD3
 70#define TC3589x_GPIOIE2		0xD4
 71#define TC3589x_GPIORIS0	0xD6
 72#define TC3589x_GPIORIS1	0xD7
 73#define TC3589x_GPIORIS2	0xD8
 74#define TC3589x_GPIOMIS0	0xD9
 75#define TC3589x_GPIOMIS1	0xDA
 76#define TC3589x_GPIOMIS2	0xDB
 77#define TC3589x_GPIOIC0		0xDC
 78#define TC3589x_GPIOIC1		0xDD
 79#define TC3589x_GPIOIC2		0xDE
 80
 81#define TC3589x_GPIODATA0	0xC0
 82#define TC3589x_GPIOMASK0	0xc1
 83#define TC3589x_GPIODATA1	0xC2
 84#define TC3589x_GPIOMASK1	0xc3
 85#define TC3589x_GPIODATA2	0xC4
 86#define TC3589x_GPIOMASK2	0xC5
 87
 88#define TC3589x_GPIODIR0	0xC6
 89#define TC3589x_GPIODIR1	0xC7
 90#define TC3589x_GPIODIR2	0xC8
 91
 92#define TC3589x_GPIOSYNC0	0xE6
 93#define TC3589x_GPIOSYNC1	0xE7
 94#define TC3589x_GPIOSYNC2	0xE8
 95
 96#define TC3589x_GPIOWAKE0	0xE9
 97#define TC3589x_GPIOWAKE1	0xEA
 98#define TC3589x_GPIOWAKE2	0xEB
 99
100#define TC3589x_GPIOODM0	0xE0
101#define TC3589x_GPIOODE0	0xE1
102#define TC3589x_GPIOODM1	0xE2
103#define TC3589x_GPIOODE1	0xE3
104#define TC3589x_GPIOODM2	0xE4
105#define TC3589x_GPIOODE2	0xE5
106
107#define TC3589x_DIRECT0		0xEC
108#define TC3589x_DKBDMSK		0xF3
109
110#define TC3589x_INT_GPIIRQ	0
111#define TC3589x_INT_TI0IRQ	1
112#define TC3589x_INT_TI1IRQ	2
113#define TC3589x_INT_TI2IRQ	3
114#define TC3589x_INT_ROTIRQ	5
115#define TC3589x_INT_KBDIRQ	6
116#define TC3589x_INT_PORIRQ	7
117
118#define TC3589x_NR_INTERNAL_IRQS	8
119
120struct tc3589x {
121	struct mutex lock;
122	struct device *dev;
123	struct i2c_client *i2c;
124	struct irq_domain *domain;
125
126	int irq_base;
127	int num_gpio;
128	struct tc3589x_platform_data *pdata;
129};
130
131extern int tc3589x_reg_write(struct tc3589x *tc3589x, u8 reg, u8 data);
132extern int tc3589x_reg_read(struct tc3589x *tc3589x, u8 reg);
133extern int tc3589x_block_read(struct tc3589x *tc3589x, u8 reg, u8 length,
134			      u8 *values);
135extern int tc3589x_block_write(struct tc3589x *tc3589x, u8 reg, u8 length,
136			       const u8 *values);
137extern int tc3589x_set_bits(struct tc3589x *tc3589x, u8 reg, u8 mask, u8 val);
138
139/*
140 * Keypad related platform specific constants
141 * These values may be modified for fine tuning
142 */
143#define TC_KPD_ROWS             0x8
144#define TC_KPD_COLUMNS          0x8
145#define TC_KPD_DEBOUNCE_PERIOD  0xA3
146#define TC_KPD_SETTLE_TIME      0xA3
147
148
149/**
150 * struct tc3589x_platform_data - TC3589x platform data
151 * @block: bitmask of blocks to enable (use TC3589x_BLOCK_*)
152 */
153struct tc3589x_platform_data {
154	unsigned int block;
155};
156
157#endif