1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Functions to access SY3686A power management chip.
5 * Copyright (C) 2021 reMarkable AS - http://www.remarkable.com/
8 #ifndef __MFD_SY7636A_H
9 #define __MFD_SY7636A_H
11 #define SY7636A_REG_OPERATION_MODE_CRL 0x00
12 /* It is set if a gpio is used to control the regulator */
13 #define SY7636A_OPERATION_MODE_CRL_VCOMCTL BIT(6)
14 #define SY7636A_OPERATION_MODE_CRL_ONOFF BIT(7)
15 #define SY7636A_REG_VCOM_ADJUST_CTRL_L 0x01
16 #define SY7636A_REG_VCOM_ADJUST_CTRL_H 0x02
17 #define SY7636A_REG_VCOM_ADJUST_CTRL_MASK 0x01ff
18 #define SY7636A_REG_VLDO_VOLTAGE_ADJULST_CTRL 0x03
19 #define SY7636A_REG_POWER_ON_DELAY_TIME 0x06
20 #define SY7636A_REG_FAULT_FLAG 0x07
21 #define SY7636A_FAULT_FLAG_PG BIT(0)
22 #define SY7636A_REG_TERMISTOR_READOUT 0x08
24 #define SY7636A_REG_MAX 0x08
26 #define VCOM_ADJUST_CTRL_MASK 0x1ff
27 // Used to shift the high byte
28 #define VCOM_ADJUST_CTRL_SHIFT 8
29 // Used to scale from VCOM_ADJUST_CTRL to mv
30 #define VCOM_ADJUST_CTRL_SCAL 10000
32 #define FAULT_FLAG_SHIFT 1
34 #endif /* __LINUX_MFD_SY7636A_H */