From 6501c1f54a172fb0a4a9413eb62ab672ab3d8e7c Mon Sep 17 00:00:00 2001 From: Saravanan Sekar Date: Thu, 9 Jan 2020 20:53:46 +0100 Subject: regulator: mpq7920: add mpq7920 regulator driver Adding regulator driver for the device mpq7920. The MPQ7920 PMIC device contains four DC-DC buck converters and five regulators, is designed for automotive and accessed over I2C. Fixed sparse warning reported on this patch Reported-by: kbuild test robot Signed-off-by: Saravanan Sekar Link: https://lore.kernel.org/r/20200109195346.30270-1-sravanhome@gmail.com Signed-off-by: Mark Brown --- drivers/regulator/mpq7920.h | 68 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 drivers/regulator/mpq7920.h (limited to 'drivers/regulator/mpq7920.h') diff --git a/drivers/regulator/mpq7920.h b/drivers/regulator/mpq7920.h new file mode 100644 index 000000000000..6a93bfbc750c --- /dev/null +++ b/drivers/regulator/mpq7920.h @@ -0,0 +1,68 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * mpq7920.h - Regulator definitions for mpq7920 + * + * Copyright 2019 Monolithic Power Systems, Inc + * + */ + +#ifndef __MPQ7920_H__ +#define __MPQ7920_H__ + +#define MPQ7920_REG_CTL0 0x00 +#define MPQ7920_REG_CTL1 0x01 +#define MPQ7920_REG_CTL2 0x02 +#define MPQ7920_BUCK1_REG_A 0x03 +#define MPQ7920_BUCK1_REG_B 0x04 +#define MPQ7920_BUCK1_REG_C 0x05 +#define MPQ7920_BUCK1_REG_D 0x06 +#define MPQ7920_BUCK2_REG_A 0x07 +#define MPQ7920_BUCK2_REG_B 0x08 +#define MPQ7920_BUCK2_REG_C 0x09 +#define MPQ7920_BUCK2_REG_D 0x0a +#define MPQ7920_BUCK3_REG_A 0x0b +#define MPQ7920_BUCK3_REG_B 0x0c +#define MPQ7920_BUCK3_REG_C 0x0d +#define MPQ7920_BUCK3_REG_D 0x0e +#define MPQ7920_BUCK4_REG_A 0x0f +#define MPQ7920_BUCK4_REG_B 0x10 +#define MPQ7920_BUCK4_REG_C 0x11 +#define MPQ7920_BUCK4_REG_D 0x12 +#define MPQ7920_LDO1_REG_A 0x13 +#define MPQ7920_LDO1_REG_B 0x0 +#define MPQ7920_LDO2_REG_A 0x14 +#define MPQ7920_LDO2_REG_B 0x15 +#define MPQ7920_LDO2_REG_C 0x16 +#define MPQ7920_LDO3_REG_A 0x17 +#define MPQ7920_LDO3_REG_B 0x18 +#define MPQ7920_LDO3_REG_C 0x19 +#define MPQ7920_LDO4_REG_A 0x1a +#define MPQ7920_LDO4_REG_B 0x1b +#define MPQ7920_LDO4_REG_C 0x1c +#define MPQ7920_LDO5_REG_A 0x1d +#define MPQ7920_LDO5_REG_B 0x1e +#define MPQ7920_LDO5_REG_C 0x1f +#define MPQ7920_REG_MODE 0x20 +#define MPQ7920_REG_REGULATOR_EN1 0x22 +#define MPQ7920_REG_REGULATOR_EN 0x22 + +#define MPQ7920_MASK_VREF 0x7f +#define MPQ7920_MASK_BUCK_ILIM 0xd0 +#define MPQ7920_MASK_LDO_ILIM BIT(6) +#define MPQ7920_MASK_DISCHARGE BIT(5) +#define MPQ7920_MASK_MODE 0xc0 +#define MPQ7920_MASK_SOFTSTART 0x0c +#define MPQ7920_MASK_SWITCH_FREQ 0x30 +#define MPQ7920_MASK_BUCK_PHASE_DEALY 0x30 +#define MPQ7920_MASK_DVS_SLEWRATE 0xc0 +#define MPQ7920_DISCHARGE_ON 0x1 + +#define MPQ7920_REGULATOR_EN_OFFSET 7 + +/* values in mV */ +#define MPQ7920_BUCK_VOLT_MIN 400000 +#define MPQ7920_LDO_VOLT_MIN 650000 +#define MPQ7920_VOLT_MAX 3587500 +#define MPQ7920_VOLT_STEP 12500 + +#endif /* __MPQ7920_H__ */ -- cgit