src/drivers/i2c/rx6110sa/rx6110sa.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef _I2C_RX6110SA_H_
   4 #define _I2C_RX6110SA_H_
   5
   6 #define RX6110SA_ACPI_NAME              "ERX6"
   7 #define RX6110SA_HID_NAME               "SECC6110"
   8 #define RX6110SA_HID_DESC               "Real Time Clock"
   9
  10 /* Register layout */
  11 #define SECOND_REG                      0x10
  12 #define MINUTE_REG                      0x11
  13 #define HOUR_REG                        0x12
  14 #define WEEK_REG                        0x13
  15 #define DAY_REG                         0x14
  16 #define MONTH_REG                       0x15
  17 #define YEAR_REG                        0x16
  18 #define RESERVED_BIT_REG                0x17
  19 #define  RTC_INIT_VALUE                 0xA8
  20 #define ALARM_MINUTE_REG                0x18
  21 #define ALARM_HOUR_REG                  0x19
  22 #define ALARM_WEEKDAY_REG               0x1A
  23 #define TMR_COUNTER_0_REG               0x1B
  24 #define TMR_COUNTER_1_REG               0x1C
  25 #define EXTENSION_REG                   0x1D
  26 #define  TE_BIT                         (1 << 4)
  27 #define  FSEL_MASK                      0xC0
  28 #define  TSEL_MASK                      0x07
  29 #define FLAG_REGISTER                   0x1E
  30 #define  VLF_BIT                        (1 << 1)
  31 #define CTRL_REG                        0x1F
  32 #define  AIE_BIT                        (1 << 3)
  33 #define  TIE_BIT                        (1 << 4)
  34 #define  UIE_BIT                        (1 << 5)
  35 #define  STOP_BIT                       (1 << 6)
  36 #define  TEST_BIT                       (1 << 7)
  37 #define  TMR_MODE_MASK                  0x03
  38 #define  TMR_MODE_NORM_BACKUP           0x00
  39 #define  TMR_MODE_NORM_ONLY             0x01
  40 #define  TMR_MODE_BACKUP_ONLY           0x03
  41 #define DIGITAL_REG                     0x30
  42 #define BATTERY_BACKUP_REG              0x31
  43 #define  PMON_SAMPL_MASK                0x03
  44 #define IRQ_CONTROL_REG                 0x32
  45 #define  FOUT_OUTPUT_PIN_MASK           0x03
  46
  47 /* Define CLKOUT frequency divider values valid for parameter cof_selection */
  48 #define COF_OFF                         0x00
  49 #define COF_1_HZ                        0x01
  50 #define COF_1024_HZ                     0x02
  51 #define COF_32768_HZ                    0x03
  52
  53 /* Define valid clock rates for the internal timer */
  54 #define TMR_CLK_4096_HZ                 0x00
  55 #define TMR_CLK_64_HZ                   0x01
  56 #define TMR_CLK_1_HZ                    0x02
  57 #define TMR_CLK_1_60_HZ                 0x03
  58 #define TMR_CLK_1_3600_HZ               0x04
  59
  60 /*
  61  * Define possible power monitor sampling times. This value decides for how
  62  * long the power supply is sampled every second to detect a power down
  63  * condition.
  64  */
  65 #define PMON_SAMPL_2_MS                 0x00
  66 #define PMON_SAMPL_16_MS                0x01
  67 #define PMON_SAMPL_128_MS               0x02
  68 #define PMON_SAMPL_256_MS               0x03
  69
  70 /* Define on which pin of the RTC the generated square wave will be driven. */
  71 #define FOUT_IRQ2                       0x00    /* IRQ2 pin used for Fout */
  72 #define FOUT_IRQ1                       0x01    /* IRQ1 pin used for Fout */
  73 #define FOUT_DO_FOUT                    0x02    /* DO/FOUT pin used for Fout */
  74
  75 #define AFTER_RESET_DELAY_MS            2       /* Delay after reset sequence */
  76
  77 #endif /* _I2C_RX6110SA_H_ */