diff options
| author | Alistair Francis <alistair@alistair23.me> | 2022-01-24 22:10:04 +1000 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2022-02-08 09:27:22 +0000 |
| commit | 5913eb45d036288babb67e97b210233537ef7b90 (patch) | |
| tree | 0c262c58672af82ff81ff5409c860da311ab0938 /include/linux/mfd | |
| parent | bae5a4acef67db8870e33d9258223c9dcd64b5d1 (diff) | |
| download | lwn-5913eb45d036288babb67e97b210233537ef7b90.tar.gz lwn-5913eb45d036288babb67e97b210233537ef7b90.zip | |
mfd: simple-mfd-i2c: Enable support for the silergy,sy7636a
Signed-off-by: Alistair Francis <alistair@alistair23.me>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'include/linux/mfd')
| -rw-r--r-- | include/linux/mfd/sy7636a.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/include/linux/mfd/sy7636a.h b/include/linux/mfd/sy7636a.h new file mode 100644 index 000000000000..22f03b2f851e --- /dev/null +++ b/include/linux/mfd/sy7636a.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Functions to access SY3686A power management chip. + * + * Copyright (C) 2021 reMarkable AS - http://www.remarkable.com/ + */ + +#ifndef __MFD_SY7636A_H +#define __MFD_SY7636A_H + +#define SY7636A_REG_OPERATION_MODE_CRL 0x00 +/* It is set if a gpio is used to control the regulator */ +#define SY7636A_OPERATION_MODE_CRL_VCOMCTL BIT(6) +#define SY7636A_OPERATION_MODE_CRL_ONOFF BIT(7) +#define SY7636A_REG_VCOM_ADJUST_CTRL_L 0x01 +#define SY7636A_REG_VCOM_ADJUST_CTRL_H 0x02 +#define SY7636A_REG_VCOM_ADJUST_CTRL_MASK 0x01ff +#define SY7636A_REG_VLDO_VOLTAGE_ADJULST_CTRL 0x03 +#define SY7636A_REG_POWER_ON_DELAY_TIME 0x06 +#define SY7636A_REG_FAULT_FLAG 0x07 +#define SY7636A_FAULT_FLAG_PG BIT(0) +#define SY7636A_REG_TERMISTOR_READOUT 0x08 + +#define SY7636A_REG_MAX 0x08 + +#define VCOM_ADJUST_CTRL_MASK 0x1ff +// Used to shift the high byte +#define VCOM_ADJUST_CTRL_SHIFT 8 +// Used to scale from VCOM_ADJUST_CTRL to mv +#define VCOM_ADJUST_CTRL_SCAL 10000 + +#define FAULT_FLAG_SHIFT 1 + +#endif /* __LINUX_MFD_SY7636A_H */ |