| /* Copyright (c) 2011-2012, 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/kernel.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. |
| * @slew_rate: worst case rate of change of regulator output voltage |
| * in units of uV/us (V/s). This is dependent upon the |
| * load and capacitance for a regulator on the board. |
| * @ocp_enable: enable over current protection logic (available for |
| * LVS and MVS type switches) |
| * @ocp_enable_time: time in us to delay between enabling the switch and then |
| * enabling OCP for it. This delay is needed to avoid |
| * false triggering due to inrush current. |
| */ |
| 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; |
| int slew_rate; |
| unsigned ocp_enable; |
| int ocp_enable_time; |
| }; |
| |
| #endif |