include/linux/mfd/tc35892.h

   1 /*
   2  * Copyright (C) ST-Ericsson SA 2010
   3  *
   4  * License Terms: GNU General Public License, version 2
   5  */
   6
   7 #ifndef __LINUX_MFD_TC35892_H
   8 #define __LINUX_MFD_TC35892_H
   9
  10 #include <linux/device.h>
  11
  12 #define TC35892_RSTCTRL_IRQRST  (1 << 4)
  13 #define TC35892_RSTCTRL_TIMRST  (1 << 3)
  14 #define TC35892_RSTCTRL_ROTRST  (1 << 2)
  15 #define TC35892_RSTCTRL_KBDRST  (1 << 1)
  16 #define TC35892_RSTCTRL_GPIRST  (1 << 0)
  17
  18 #define TC35892_IRQST           0x91
  19
  20 #define TC35892_MANFCODE_MAGIC  0x03
  21 #define TC35892_MANFCODE        0x80
  22 #define TC35892_VERSION         0x81
  23 #define TC35892_IOCFG           0xA7
  24
  25 #define TC35892_CLKMODE         0x88
  26 #define TC35892_CLKCFG          0x89
  27 #define TC35892_CLKEN           0x8A
  28
  29 #define TC35892_RSTCTRL         0x82
  30 #define TC35892_EXTRSTN         0x83
  31 #define TC35892_RSTINTCLR       0x84
  32
  33 #define TC35892_GPIOIS0         0xC9
  34 #define TC35892_GPIOIS1         0xCA
  35 #define TC35892_GPIOIS2         0xCB
  36 #define TC35892_GPIOIBE0        0xCC
  37 #define TC35892_GPIOIBE1        0xCD
  38 #define TC35892_GPIOIBE2        0xCE
  39 #define TC35892_GPIOIEV0        0xCF
  40 #define TC35892_GPIOIEV1        0xD0
  41 #define TC35892_GPIOIEV2        0xD1
  42 #define TC35892_GPIOIE0         0xD2
  43 #define TC35892_GPIOIE1         0xD3
  44 #define TC35892_GPIOIE2         0xD4
  45 #define TC35892_GPIORIS0        0xD6
  46 #define TC35892_GPIORIS1        0xD7
  47 #define TC35892_GPIORIS2        0xD8
  48 #define TC35892_GPIOMIS0        0xD9
  49 #define TC35892_GPIOMIS1        0xDA
  50 #define TC35892_GPIOMIS2        0xDB
  51 #define TC35892_GPIOIC0         0xDC
  52 #define TC35892_GPIOIC1         0xDD
  53 #define TC35892_GPIOIC2         0xDE
  54
  55 #define TC35892_GPIODATA0       0xC0
  56 #define TC35892_GPIOMASK0       0xc1
  57 #define TC35892_GPIODATA1       0xC2
  58 #define TC35892_GPIOMASK1       0xc3
  59 #define TC35892_GPIODATA2       0xC4
  60 #define TC35892_GPIOMASK2       0xC5
  61
  62 #define TC35892_GPIODIR0        0xC6
  63 #define TC35892_GPIODIR1        0xC7
  64 #define TC35892_GPIODIR2        0xC8
  65
  66 #define TC35892_GPIOSYNC0       0xE6
  67 #define TC35892_GPIOSYNC1       0xE7
  68 #define TC35892_GPIOSYNC2       0xE8
  69
  70 #define TC35892_GPIOWAKE0       0xE9
  71 #define TC35892_GPIOWAKE1       0xEA
  72 #define TC35892_GPIOWAKE2       0xEB
  73
  74 #define TC35892_GPIOODM0        0xE0
  75 #define TC35892_GPIOODE0        0xE1
  76 #define TC35892_GPIOODM1        0xE2
  77 #define TC35892_GPIOODE1        0xE3
  78 #define TC35892_GPIOODM2        0xE4
  79 #define TC35892_GPIOODE2        0xE5
  80
  81 #define TC35892_INT_GPIIRQ      0
  82 #define TC35892_INT_TI0IRQ      1
  83 #define TC35892_INT_TI1IRQ      2
  84 #define TC35892_INT_TI2IRQ      3
  85 #define TC35892_INT_ROTIRQ      5
  86 #define TC35892_INT_KBDIRQ      6
  87 #define TC35892_INT_PORIRQ      7
  88
  89 #define TC35892_NR_INTERNAL_IRQS        8
  90 #define TC35892_INT_GPIO(x)     (TC35892_NR_INTERNAL_IRQS + (x))
  91
  92 struct tc35892 {
  93         struct mutex lock;
  94         struct device *dev;
  95         struct i2c_client *i2c;
  96
  97         int irq_base;
  98         int num_gpio;
  99         struct tc35892_platform_data *pdata;
 100 };
 101
 102 extern int tc35892_reg_write(struct tc35892 *tc35892, u8 reg, u8 data);
 103 extern int tc35892_reg_read(struct tc35892 *tc35892, u8 reg);
 104 extern int tc35892_block_read(struct tc35892 *tc35892, u8 reg, u8 length,
 105                               u8 *values);
 106 extern int tc35892_block_write(struct tc35892 *tc35892, u8 reg, u8 length,
 107                                const u8 *values);
 108 extern int tc35892_set_bits(struct tc35892 *tc35892, u8 reg, u8 mask, u8 val);
 109
 110 /**
 111  * struct tc35892_gpio_platform_data - TC35892 GPIO platform data
 112  * @gpio_base: first gpio number assigned to TC35892.  A maximum of
 113  *             %TC35892_NR_GPIOS GPIOs will be allocated.
 114  * @setup: callback for board-specific initialization
 115  * @remove: callback for board-specific teardown
 116  */
 117 struct tc35892_gpio_platform_data {
 118         int gpio_base;
 119         void (*setup)(struct tc35892 *tc35892, unsigned gpio_base);
 120         void (*remove)(struct tc35892 *tc35892, unsigned gpio_base);
 121 };
 122
 123 /**
 124  * struct tc35892_platform_data - TC35892 platform data
 125  * @irq_base: base IRQ number.  %TC35892_NR_IRQS irqs will be used.
 126  * @gpio: GPIO-specific platform data
 127  */
 128 struct tc35892_platform_data {
 129         int irq_base;
 130         struct tc35892_gpio_platform_data *gpio;
 131 };
 132
 133 #define TC35892_NR_GPIOS        24
 134 #define TC35892_NR_IRQS         TC35892_INT_GPIO(TC35892_NR_GPIOS)
 135
 136 #endif