| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| #ifndef __MAX77686_H_ |
| #define __MAX77686_H_ |
| |
| enum max77686_regnum { |
| PMIC_BUCK1 = 0, |
| PMIC_BUCK2, |
| PMIC_BUCK3, |
| PMIC_BUCK4, |
| PMIC_BUCK5, |
| PMIC_BUCK6, |
| PMIC_BUCK7, |
| PMIC_BUCK8, |
| PMIC_BUCK9, |
| PMIC_LDO1, |
| PMIC_LDO2, |
| PMIC_LDO3, |
| PMIC_LDO4, |
| PMIC_LDO5, |
| PMIC_LDO6, |
| PMIC_LDO7, |
| PMIC_LDO8, |
| PMIC_LDO9, |
| PMIC_LDO10, |
| PMIC_LDO11, |
| PMIC_LDO12, |
| PMIC_LDO13, |
| PMIC_LDO14, |
| PMIC_LDO15, |
| PMIC_LDO16, |
| PMIC_LDO17, |
| PMIC_LDO18, |
| PMIC_LDO19, |
| PMIC_LDO20, |
| PMIC_LDO21, |
| PMIC_LDO22, |
| PMIC_LDO23, |
| PMIC_LDO24, |
| PMIC_LDO25, |
| PMIC_LDO26, |
| PMIC_EN32KHZ_CP, |
| }; |
| |
| /** |
| * struct max77686_para - max77686 register parameters |
| * @param vol_addr i2c address of the given buck/ldo register |
| * @param vol_bitpos bit position to be set or clear within register |
| * @param vol_bitmask bit mask value |
| * @param reg_enaddr control register address, which enable the given |
| * buck/ldo. |
| * @param reg_enbitpos bit position to be enabled |
| * @param reg_enbiton value to be written to buck/ldo to make it ON |
| * @param reg_enbitoff value to be written to buck/ldo to make it OFF |
| * @param vol_min minimum voltage level supported by given buck/ldo |
| * @param vol_div voltage division value of given buck/ldo |
| */ |
| struct max77686_para { |
| u8 vol_addr; |
| u8 vol_bitpos; |
| u8 vol_bitmask; |
| u8 reg_enaddr; |
| u8 reg_enbitpos; |
| u8 reg_enbitmask; |
| u8 reg_enbiton; |
| u8 reg_enbitoff; |
| u16 vol_min; |
| u16 vol_div; |
| }; |
| |
| /* I2C device address for pmic max77686 */ |
| #define MAX77686_I2C_ADDR (0x12 >> 1) |
| |
| enum { |
| REG_DISABLE = 0, |
| REG_ENABLE |
| }; |
| |
| enum { |
| MAX77686_MV = 0, /* millivolt */ |
| MAX77686_UV /* microvolt */ |
| }; |
| |
| /** |
| * This function enables the 32KHz coprocessor clock. |
| * |
| * @param bus i2c bus |
| * |
| * Return 0 if ok, else -1 |
| */ |
| int max77686_enable_32khz_cp(unsigned int bus); |
| |
| /** |
| * Set the required voltage level of pmic |
| * |
| * @param bus i2c bus |
| * @param reg register number of buck/ldo to be set |
| * @param volt voltage level to be set |
| * @param enable enable or disable bit |
| * @param volt_units MAX77686_MV or MAX77686_UV, unit of the |
| * voltage parameters |
| * |
| * @return Return 0 if ok, else -1 |
| */ |
| int max77686_volsetting(unsigned int bus, enum max77686_regnum reg, |
| unsigned int volt, int enable, int volt_units); |
| |
| /** |
| * Disable charging of the RTC backup battery |
| * |
| * @param bus i2c bus |
| * |
| * @return Return 0 if ok, else -1 |
| */ |
| int max77686_disable_backup_batt(unsigned int bus); |
| |
| #endif /* __MAX77686_H_ */ |