/*-
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 2018 Emmanuel Vadot <manu@FreeBSD.org>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef _RK805REG_H_
#define  _RK805REG_H_

/* RTC registers */
#define RK805_RTC_SECS          0x00
#define  RK805_RTC_SECS_MASK    0x7f
#define RK805_RTC_MINUTES       0x01
#define  RK805_RTC_MINUTES_MASK 0x7f
#define RK805_RTC_HOURS         0x02
#define  RK805_RTC_HOURS_MASK   0x3f
#define RK805_RTC_HOURS_PM      0x80
#define RK805_RTC_DAYS          0x03
#define  RK805_RTC_DAYS_MASK    0x3f
#define RK805_RTC_MONTHS        0x04
#define  RK805_RTC_MONTHS_MASK  0x1f
#define RK805_RTC_YEARS         0x05
#define RK805_RTC_WEEKS         0x06 /* day of week */
#define  RK805_RTC_WEEKS_MASK   0x07
#define RK805_ALARM_SECONDS     0x8
#define RK805_ALARM_MINUTES     0x9
#define RK805_ALARM_HOURS       0xA
#define RK805_ALARM_DAYS        0xB
#define RK805_ALARM_MONTHS      0xC
#define RK805_ALARM_YEARS       0xD
#define RK805_RTC_CTRL          0x10
#define  RK805_RTC_CTRL_STOP    (1 << 0)
#define  RK805_RTC_AMPM_MODE    (1 << 3)
#define  RK805_RTC_GET_TIME     (1 << 6)
#define  RK805_RTC_READSEL      (1 << 7)
#define RK805_CLK32KOUT         0x20

/* Version registers */
#define RK805_CHIP_NAME         0x17
#define RK805_CHIP_VER          0x18
#define RK805_OTP_VER           0x19

/* Power channel enable registers */
#define RK805_DCDC_EN           0x23
#define RK805_SLP_DCDC_EN       0x25
#define RK805_SLP_LDO_EN        0x26
#define RK805_LDO_EN            0x27
#define RK805_BUCK_LDO_SLP_LP   0x2A

/* Buck and LDO configuration registers */
#define RK805_BUCK1_CONFIG      0x2E
#define RK805_BUCK1_ON_VSEL     0x2F
#define RK805_BUCK1_SLEEP_VSEL  0x30
#define RK805_BUCK2_CONFIG      0x32
#define RK805_BUCK2_ON_VSEL     0x33
#define RK805_BUCK2_SLEEP_VSEL  0x34
#define RK805_BUCK3_CONFIG      0x36
#define RK805_BUCK4_CONFIG      0x37
#define RK805_BUCK4_ON_VSEL     0x38
#define RK805_BUCK4_SLEEP_VSEL  0x39
#define RK805_LDO1_ON_VSEL      0x3B
#define RK805_LDO1_SLEEP_VSEL   0x3C
#define RK805_LDO2_ON_VSEL      0x3D
#define RK805_LDO2_SLEEP_VSEL   0x3E
#define RK805_LDO3_ON_VSEL      0x3F
#define RK805_LDO3_SLEEP_VSEL   0x40

#define RK805_DEV_CTRL          0x4B
#define  RK805_DEV_CTRL_OFF     (1 << 0)
#define  RK805_DEV_CTRL_SLP     (1 << 1)

enum rk805_regulator {
        RK805_BUCK1 = 0,
        RK805_BUCK2,
        RK805_BUCK3,
        RK805_BUCK4,
        RK805_LDO1,
        RK805_LDO2,
        RK805_LDO3,
};

#endif /* _RK805REG_H_ */