LXR linux/include/linux/mfd/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
 158