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