1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Functions to access SY3686A power management chip. |
4 | * |
5 | * Copyright (C) 2021 reMarkable AS - http://www.remarkable.com/ |
6 | */ |
7 | |
8 | #ifndef __MFD_SY7636A_H |
9 | #define __MFD_SY7636A_H |
10 | |
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 |
23 | |
24 | #define SY7636A_REG_MAX 0x08 |
25 | |
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 |
31 | |
32 | #define FAULT_FLAG_SHIFT 1 |
33 | |
34 | #endif /* __LINUX_MFD_SY7636A_H */ |
35 | |