db/d2c/rx6110sa_8h_source.html

/* SPDX-License-Identifier: GPL-2.0-only */


#ifndef _I2C_RX6110SA_H_

#define _I2C_RX6110SA_H_


#define RX6110SA_ACPI_NAME              "ERX6"

#define RX6110SA_HID_NAME               "SECC6110"

#define RX6110SA_HID_DESC               "Real Time Clock"


/* Register layout */

#define SECOND_REG                      0x10

#define MINUTE_REG                      0x11

#define HOUR_REG                        0x12

#define WEEK_REG                        0x13

#define DAY_REG                         0x14

#define MONTH_REG                       0x15

#define YEAR_REG                        0x16

#define RESERVED_BIT_REG                0x17

#define  RTC_INIT_VALUE                 0xA8

#define ALARM_MINUTE_REG                0x18

#define ALARM_HOUR_REG                  0x19

#define ALARM_WEEKDAY_REG               0x1A

#define TMR_COUNTER_0_REG               0x1B

#define TMR_COUNTER_1_REG               0x1C

#define EXTENSION_REG                   0x1D

#define  TE_BIT                         (1 << 4)

#define  FSEL_MASK                      0xC0

#define  TSEL_MASK                      0x07

#define FLAG_REGISTER                   0x1E

#define  VLF_BIT                        (1 << 1)

#define CTRL_REG                        0x1F

#define  AIE_BIT                        (1 << 3)

#define  TIE_BIT                        (1 << 4)

#define  UIE_BIT                        (1 << 5)

#define  STOP_BIT                       (1 << 6)

#define  TEST_BIT                       (1 << 7)

#define  TMR_MODE_MASK                  0x03

#define  TMR_MODE_NORM_BACKUP           0x00

#define  TMR_MODE_NORM_ONLY             0x01

#define  TMR_MODE_BACKUP_ONLY           0x03

#define DIGITAL_REG                     0x30

#define BATTERY_BACKUP_REG              0x31

#define  PMON_SAMPL_MASK                0x03

#define IRQ_CONTROL_REG                 0x32

#define  FOUT_OUTPUT_PIN_MASK           0x03


/* Define CLKOUT frequency divider values valid for parameter cof_selection */

#define COF_OFF                         0x00

#define COF_1_HZ                        0x01

#define COF_1024_HZ                     0x02

#define COF_32768_HZ                    0x03


/* Define valid clock rates for the internal timer */

#define TMR_CLK_4096_HZ                 0x00

#define TMR_CLK_64_HZ                   0x01

#define TMR_CLK_1_HZ                    0x02

#define TMR_CLK_1_60_HZ                 0x03

#define TMR_CLK_1_3600_HZ               0x04


/*

 * Define possible power monitor sampling times. This value decides for how

 * long the power supply is sampled every second to detect a power down

 * condition.

 */

#define PMON_SAMPL_2_MS                 0x00

#define PMON_SAMPL_16_MS                0x01

#define PMON_SAMPL_128_MS               0x02

#define PMON_SAMPL_256_MS               0x03


/* Define on which pin of the RTC the generated square wave will be driven. */

#define FOUT_IRQ2                       0x00    /* IRQ2 pin used for Fout */

#define FOUT_IRQ1                       0x01    /* IRQ1 pin used for Fout */

#define FOUT_DO_FOUT                    0x02    /* DO/FOUT pin used for Fout */


#define AFTER_RESET_DELAY_MS            2       /* Delay after reset sequence */


#endif /* _I2C_RX6110SA_H_ */