|  | /* | 
|  | * max8952.h - Voltage regulation for the Maxim 8952 | 
|  | * | 
|  | *  Copyright (C) 2010 Samsung Electrnoics | 
|  | *  MyungJoo Ham <myungjoo.ham@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 | 
|  | */ | 
|  |  | 
|  | #ifndef REGULATOR_MAX8952 | 
|  | #define REGULATOR_MAX8952 | 
|  |  | 
|  | #include <linux/regulator/machine.h> | 
|  |  | 
|  | enum { | 
|  | MAX8952_DVS_MODE0, | 
|  | MAX8952_DVS_MODE1, | 
|  | MAX8952_DVS_MODE2, | 
|  | MAX8952_DVS_MODE3, | 
|  | }; | 
|  |  | 
|  | enum { | 
|  | MAX8952_DVS_770mV = 0, | 
|  | MAX8952_DVS_780mV, | 
|  | MAX8952_DVS_790mV, | 
|  | MAX8952_DVS_800mV, | 
|  | MAX8952_DVS_810mV, | 
|  | MAX8952_DVS_820mV, | 
|  | MAX8952_DVS_830mV, | 
|  | MAX8952_DVS_840mV, | 
|  | MAX8952_DVS_850mV, | 
|  | MAX8952_DVS_860mV, | 
|  | MAX8952_DVS_870mV, | 
|  | MAX8952_DVS_880mV, | 
|  | MAX8952_DVS_890mV, | 
|  | MAX8952_DVS_900mV, | 
|  | MAX8952_DVS_910mV, | 
|  | MAX8952_DVS_920mV, | 
|  | MAX8952_DVS_930mV, | 
|  | MAX8952_DVS_940mV, | 
|  | MAX8952_DVS_950mV, | 
|  | MAX8952_DVS_960mV, | 
|  | MAX8952_DVS_970mV, | 
|  | MAX8952_DVS_980mV, | 
|  | MAX8952_DVS_990mV, | 
|  | MAX8952_DVS_1000mV, | 
|  | MAX8952_DVS_1010mV, | 
|  | MAX8952_DVS_1020mV, | 
|  | MAX8952_DVS_1030mV, | 
|  | MAX8952_DVS_1040mV, | 
|  | MAX8952_DVS_1050mV, | 
|  | MAX8952_DVS_1060mV, | 
|  | MAX8952_DVS_1070mV, | 
|  | MAX8952_DVS_1080mV, | 
|  | MAX8952_DVS_1090mV, | 
|  | MAX8952_DVS_1100mV, | 
|  | MAX8952_DVS_1110mV, | 
|  | MAX8952_DVS_1120mV, | 
|  | MAX8952_DVS_1130mV, | 
|  | MAX8952_DVS_1140mV, | 
|  | MAX8952_DVS_1150mV, | 
|  | MAX8952_DVS_1160mV, | 
|  | MAX8952_DVS_1170mV, | 
|  | MAX8952_DVS_1180mV, | 
|  | MAX8952_DVS_1190mV, | 
|  | MAX8952_DVS_1200mV, | 
|  | MAX8952_DVS_1210mV, | 
|  | MAX8952_DVS_1220mV, | 
|  | MAX8952_DVS_1230mV, | 
|  | MAX8952_DVS_1240mV, | 
|  | MAX8952_DVS_1250mV, | 
|  | MAX8952_DVS_1260mV, | 
|  | MAX8952_DVS_1270mV, | 
|  | MAX8952_DVS_1280mV, | 
|  | MAX8952_DVS_1290mV, | 
|  | MAX8952_DVS_1300mV, | 
|  | MAX8952_DVS_1310mV, | 
|  | MAX8952_DVS_1320mV, | 
|  | MAX8952_DVS_1330mV, | 
|  | MAX8952_DVS_1340mV, | 
|  | MAX8952_DVS_1350mV, | 
|  | MAX8952_DVS_1360mV, | 
|  | MAX8952_DVS_1370mV, | 
|  | MAX8952_DVS_1380mV, | 
|  | MAX8952_DVS_1390mV, | 
|  | MAX8952_DVS_1400mV, | 
|  | }; | 
|  |  | 
|  | enum { | 
|  | MAX8952_SYNC_FREQ_26MHZ, /* Default */ | 
|  | MAX8952_SYNC_FREQ_13MHZ, | 
|  | MAX8952_SYNC_FREQ_19_2MHZ, | 
|  | }; | 
|  |  | 
|  | enum { | 
|  | MAX8952_RAMP_32mV_us = 0, /* Default */ | 
|  | MAX8952_RAMP_16mV_us, | 
|  | MAX8952_RAMP_8mV_us, | 
|  | MAX8952_RAMP_4mV_us, | 
|  | MAX8952_RAMP_2mV_us, | 
|  | MAX8952_RAMP_1mV_us, | 
|  | MAX8952_RAMP_0_5mV_us, | 
|  | MAX8952_RAMP_0_25mV_us, | 
|  | }; | 
|  |  | 
|  | #define MAX8952_NUM_DVS_MODE	4 | 
|  |  | 
|  | struct max8952_platform_data { | 
|  | int gpio_vid0; | 
|  | int gpio_vid1; | 
|  | int gpio_en; | 
|  |  | 
|  | u8 default_mode; | 
|  | u8 dvs_mode[MAX8952_NUM_DVS_MODE]; /* MAX8952_DVS_MODEx_XXXXmV */ | 
|  |  | 
|  | u8 sync_freq; | 
|  | u8 ramp_speed; | 
|  |  | 
|  | struct regulator_init_data reg_data; | 
|  | }; | 
|  |  | 
|  |  | 
|  | #endif /* REGULATOR_MAX8952 */ |