87 lines
1.8 KiB
C
87 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright 2012 Texas Instruments
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*
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* Author: Milo(Woogyom) Kim <milo.kim@ti.com>
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*/
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#ifndef __LP872X_REGULATOR_H__
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#define __LP872X_REGULATOR_H__
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#include <linux/regulator/machine.h>
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#include <linux/platform_device.h>
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#include <linux/gpio/consumer.h>
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#define LP872X_MAX_REGULATORS 9
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#define LP8720_ENABLE_DELAY 200
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#define LP8725_ENABLE_DELAY 30000
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enum lp872x_regulator_id {
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LP8720_ID_BASE,
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LP8720_ID_LDO1 = LP8720_ID_BASE,
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LP8720_ID_LDO2,
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LP8720_ID_LDO3,
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LP8720_ID_LDO4,
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LP8720_ID_LDO5,
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LP8720_ID_BUCK,
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LP8725_ID_BASE,
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LP8725_ID_LDO1 = LP8725_ID_BASE,
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LP8725_ID_LDO2,
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LP8725_ID_LDO3,
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LP8725_ID_LDO4,
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LP8725_ID_LDO5,
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LP8725_ID_LILO1,
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LP8725_ID_LILO2,
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LP8725_ID_BUCK1,
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LP8725_ID_BUCK2,
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LP872X_ID_MAX,
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};
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enum lp872x_dvs_sel {
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SEL_V1,
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SEL_V2,
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};
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/**
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* lp872x_dvs
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* @gpio : gpio descriptor for dvs control
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* @vsel : dvs selector for buck v1 or buck v2 register
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* @init_state : initial dvs pin state
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*/
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struct lp872x_dvs {
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struct gpio_desc *gpio;
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enum lp872x_dvs_sel vsel;
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enum gpiod_flags init_state;
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};
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/**
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* lp872x_regdata
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* @id : regulator id
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* @init_data : init data for each regulator
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*/
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struct lp872x_regulator_data {
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enum lp872x_regulator_id id;
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struct regulator_init_data *init_data;
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};
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/**
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* lp872x_platform_data
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* @general_config : the value of LP872X_GENERAL_CFG register
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* @update_config : if LP872X_GENERAL_CFG register is updated, set true
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* @regulator_data : platform regulator id and init data
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* @dvs : dvs data for buck voltage control
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* @enable_gpio : gpio descriptor for enable control
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*/
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struct lp872x_platform_data {
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u8 general_config;
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bool update_config;
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struct lp872x_regulator_data regulator_data[LP872X_MAX_REGULATORS];
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struct lp872x_dvs *dvs;
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struct gpio_desc *enable_gpio;
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};
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#endif
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