blob: 7c8d778ab24a4df78af01ee6a9d9c1f2a8f671b5 [file] [log] [blame]
/* Copyright (c) 2011, Code Aurora Forum. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* 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.
*/
#ifndef __REGULATOR_PM8XXX_REGULATOR_H__
#define __REGULATOR_PM8XXX_REGULATOR_H__
#include <linux/regulator/machine.h>
#define PM8XXX_REGULATOR_DEV_NAME "pm8xxx-regulator"
/* Pin control input pins. */
#define PM8XXX_VREG_PIN_CTRL_NONE 0x00
#define PM8XXX_VREG_PIN_CTRL_EN0 0x01
#define PM8XXX_VREG_PIN_CTRL_EN1 0x02
#define PM8XXX_VREG_PIN_CTRL_EN2 0x04
#define PM8XXX_VREG_PIN_CTRL_EN3 0x08
#define PM8XXX_VREG_PIN_CTRL_ALL 0x0F
#define PM8921_VREG_PIN_CTRL_NONE PM8XXX_VREG_PIN_CTRL_NONE
#define PM8921_VREG_PIN_CTRL_D1 PM8XXX_VREG_PIN_CTRL_EN0
#define PM8921_VREG_PIN_CTRL_A0 PM8XXX_VREG_PIN_CTRL_EN1
#define PM8921_VREG_PIN_CTRL_A1 PM8XXX_VREG_PIN_CTRL_EN2
#define PM8921_VREG_PIN_CTRL_A2 PM8XXX_VREG_PIN_CTRL_EN3
/* Minimum high power mode loads in uA. */
#define PM8XXX_VREG_LDO_50_HPM_MIN_LOAD 5000
#define PM8XXX_VREG_LDO_150_HPM_MIN_LOAD 10000
#define PM8XXX_VREG_LDO_300_HPM_MIN_LOAD 10000
#define PM8XXX_VREG_LDO_600_HPM_MIN_LOAD 10000
#define PM8XXX_VREG_LDO_1200_HPM_MIN_LOAD 10000
#define PM8XXX_VREG_SMPS_1500_HPM_MIN_LOAD 100000
#define PM8XXX_VREG_SMPS_2000_HPM_MIN_LOAD 100000
#define REGULATOR_TEST_BANKS_MAX 8
/**
* enum pm8xxx_vreg_pin_function - action to perform when pin control is active
* %PM8XXX_VREG_PIN_FN_ENABLE: pin control enables the regulator
* %PM8XXX_VREG_PIN_FN_MODE: pin control changes mode from LPM to HPM
*/
enum pm8xxx_vreg_pin_function {
PM8XXX_VREG_PIN_FN_ENABLE = 0,
PM8XXX_VREG_PIN_FN_MODE,
};
/**
* struct pm8xxx_regulator_platform_data - PMIC 8921 regulator platform data
* @init_data: regulator constraints
* @id: regulator id. Any value unique among pm8xxx_regulator
* devices is acceptable.
* @pull_down_enable: 0 = no pulldown, 1 = pulldown when regulator disabled
* @pin_ctrl: pin control inputs to use for the regulator; should be
* a combination of PM8XXX_VREG_PIN_CTRL_* values
* @pin_fn: action to perform when pin control pin is active
* @system_uA: current drawn from regulator not accounted for by any
* regulator framework consumer
* @enable_time: time in us taken to enable a regulator to the maximum
* allowed voltage for the system. This is dependent upon
* the load and capacitance for a regulator on the board.
*/
struct pm8xxx_regulator_platform_data {
struct regulator_init_data init_data;
int id;
unsigned pull_down_enable;
unsigned pin_ctrl;
enum pm8xxx_vreg_pin_function pin_fn;
int system_uA;
int enable_time;
};
#endif