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Diffstat (limited to 'include/linux/mfd/max77686.h')
| -rw-r--r-- | include/linux/mfd/max77686.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/include/linux/mfd/max77686.h b/include/linux/mfd/max77686.h new file mode 100644 index 0000000..d6ddb93 --- /dev/null +++ b/include/linux/mfd/max77686.h @@ -0,0 +1,136 @@ +/* + * max77686.h - Driver for the Maxim 77686 + * + * Copyright (C) 2011 Samsung Electrnoics + * Chiwoong Byun <woong.byun@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * This driver is based on max8997.h + * + * MAX77686 has PMIC, RTC devices. + * The devices share the same I2C bus and included in + * this mfd driver. + */ + +#ifndef __LINUX_MFD_MAX77686_H +#define __LINUX_MFD_MAX77686_H + +#include <linux/regulator/consumer.h> + +#define MAX77686_SMPL_ENABLE (0x1) +#define MAX77686_WTSR_ENABLE (0x2) + +/* MAX77686 regulator IDs */ +enum max77686_regulators { + MAX77686_LDO1 = 0, + MAX77686_LDO2, + MAX77686_LDO3, + MAX77686_LDO4, + MAX77686_LDO5, + MAX77686_LDO6, + MAX77686_LDO7, + MAX77686_LDO8, + MAX77686_LDO9, + MAX77686_LDO10, + MAX77686_LDO11, + MAX77686_LDO12, + MAX77686_LDO13, + MAX77686_LDO14, + MAX77686_LDO15, + MAX77686_LDO16, + MAX77686_LDO17, + MAX77686_LDO18, + MAX77686_LDO19, + MAX77686_LDO20, + MAX77686_LDO21, + MAX77686_LDO22, + MAX77686_LDO23, + MAX77686_LDO24, + MAX77686_LDO25, + MAX77686_LDO26, + MAX77686_BUCK1, + MAX77686_BUCK2, + MAX77686_BUCK3, + MAX77686_BUCK4, + MAX77686_BUCK5, + MAX77686_BUCK6, + MAX77686_BUCK7, + MAX77686_BUCK8, + MAX77686_BUCK9, + MAX77686_EN32KHZ_AP, + MAX77686_EN32KHZ_CP, + MAX77686_P32KH, + + MAX77686_REG_MAX, +}; + +struct max77686_regulator_data { + int id; + struct regulator_init_data *initdata; +}; + +enum max77686_opmode { + MAX77686_OPMODE_NORMAL, + MAX77686_OPMODE_LP, + MAX77686_OPMODE_STANDBY, +}; + +enum max77686_ramp_rate { + MAX77686_RAMP_RATE_100MV, + MAX77686_RAMP_RATE_13MV, + MAX77686_RAMP_RATE_27MV, + MAX77686_RAMP_RATE_55MV, +}; + +struct max77686_opmode_data { + int id; + int mode; +}; + +struct max77686_buck234_gpio_data { + int gpio; + int data; +}; + +struct max77686_platform_data { + /* IRQ */ + int irq_gpio; + int irq_base; + int ono; + int wakeup; + + /* ---- PMIC ---- */ + struct max77686_regulator_data *regulators; + int num_regulators; + int has_full_constraints; + + struct max77686_opmode_data *opmode_data; + int ramp_rate; + int wtsr_smpl; + + /* + * GPIO-DVS feature is not enabled with the current version of + * MAX77686 driver. Buck2/3/4_voltages[0] is used as the default + * voltage at probe. DVS/SELB gpios are set as OUTPUT-LOW. + */ + struct max77686_buck234_gpio_data buck234_gpio_dvs[3]; /* GPIO of [0]DVS1, [1]DVS2, [2]DVS3 */ + int buck234_gpio_selb[3]; /* [0]SELB2, [1]SELB3, [2]SELB4 */ + unsigned int buck2_voltage[8]; /* buckx_voltage in uV */ + unsigned int buck3_voltage[8]; + unsigned int buck4_voltage[8]; +}; + +#endif /* __LINUX_MFD_MAX77686_H */ |