include/linux/regulator/max8952.h

   1 /*
   2  * max8952.h - Voltage regulation for the Maxim 8952
   3  *
   4  *  Copyright (C) 2010 Samsung Electrnoics
   5  *  MyungJoo Ham <myungjoo.ham@samsung.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #ifndef REGULATOR_MAX8952
  23 #define REGULATOR_MAX8952
  24
  25 #include <linux/regulator/machine.h>
  26
  27 enum {
  28         MAX8952_DVS_MODE0,
  29         MAX8952_DVS_MODE1,
  30         MAX8952_DVS_MODE2,
  31         MAX8952_DVS_MODE3,
  32 };
  33
  34 enum {
  35         MAX8952_DVS_770mV = 0,
  36         MAX8952_DVS_780mV,
  37         MAX8952_DVS_790mV,
  38         MAX8952_DVS_800mV,
  39         MAX8952_DVS_810mV,
  40         MAX8952_DVS_820mV,
  41         MAX8952_DVS_830mV,
  42         MAX8952_DVS_840mV,
  43         MAX8952_DVS_850mV,
  44         MAX8952_DVS_860mV,
  45         MAX8952_DVS_870mV,
  46         MAX8952_DVS_880mV,
  47         MAX8952_DVS_890mV,
  48         MAX8952_DVS_900mV,
  49         MAX8952_DVS_910mV,
  50         MAX8952_DVS_920mV,
  51         MAX8952_DVS_930mV,
  52         MAX8952_DVS_940mV,
  53         MAX8952_DVS_950mV,
  54         MAX8952_DVS_960mV,
  55         MAX8952_DVS_970mV,
  56         MAX8952_DVS_980mV,
  57         MAX8952_DVS_990mV,
  58         MAX8952_DVS_1000mV,
  59         MAX8952_DVS_1010mV,
  60         MAX8952_DVS_1020mV,
  61         MAX8952_DVS_1030mV,
  62         MAX8952_DVS_1040mV,
  63         MAX8952_DVS_1050mV,
  64         MAX8952_DVS_1060mV,
  65         MAX8952_DVS_1070mV,
  66         MAX8952_DVS_1080mV,
  67         MAX8952_DVS_1090mV,
  68         MAX8952_DVS_1100mV,
  69         MAX8952_DVS_1110mV,
  70         MAX8952_DVS_1120mV,
  71         MAX8952_DVS_1130mV,
  72         MAX8952_DVS_1140mV,
  73         MAX8952_DVS_1150mV,
  74         MAX8952_DVS_1160mV,
  75         MAX8952_DVS_1170mV,
  76         MAX8952_DVS_1180mV,
  77         MAX8952_DVS_1190mV,
  78         MAX8952_DVS_1200mV,
  79         MAX8952_DVS_1210mV,
  80         MAX8952_DVS_1220mV,
  81         MAX8952_DVS_1230mV,
  82         MAX8952_DVS_1240mV,
  83         MAX8952_DVS_1250mV,
  84         MAX8952_DVS_1260mV,
  85         MAX8952_DVS_1270mV,
  86         MAX8952_DVS_1280mV,
  87         MAX8952_DVS_1290mV,
  88         MAX8952_DVS_1300mV,
  89         MAX8952_DVS_1310mV,
  90         MAX8952_DVS_1320mV,
  91         MAX8952_DVS_1330mV,
  92         MAX8952_DVS_1340mV,
  93         MAX8952_DVS_1350mV,
  94         MAX8952_DVS_1360mV,
  95         MAX8952_DVS_1370mV,
  96         MAX8952_DVS_1380mV,
  97         MAX8952_DVS_1390mV,
  98         MAX8952_DVS_1400mV,
  99 };
 100
 101 enum {
 102         MAX8952_SYNC_FREQ_26MHZ, /* Default */
 103         MAX8952_SYNC_FREQ_13MHZ,
 104         MAX8952_SYNC_FREQ_19_2MHZ,
 105 };
 106
 107 enum {
 108         MAX8952_RAMP_32mV_us = 0, /* Default */
 109         MAX8952_RAMP_16mV_us,
 110         MAX8952_RAMP_8mV_us,
 111         MAX8952_RAMP_4mV_us,
 112         MAX8952_RAMP_2mV_us,
 113         MAX8952_RAMP_1mV_us,
 114         MAX8952_RAMP_0_5mV_us,
 115         MAX8952_RAMP_0_25mV_us,
 116 };
 117
 118 #define MAX8952_NUM_DVS_MODE    4
 119
 120 struct max8952_platform_data {
 121         int gpio_vid0;
 122         int gpio_vid1;
 123         int gpio_en;
 124
 125         u32 default_mode;
 126         u32 dvs_mode[MAX8952_NUM_DVS_MODE]; /* MAX8952_DVS_MODEx_XXXXmV */
 127
 128         u32 sync_freq;
 129         u32 ramp_speed;
 130
 131         struct regulator_init_data *reg_data;
 132 };
 133
 134
 135 #endif /* REGULATOR_MAX8952 */