arch/arm/mach-tegra/board-harmony-power.c

   1 /*
   2  * Copyright (C) 2010 NVIDIA, Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  16  * 02111-1307, USA
  17  */
  18 #include <linux/i2c.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/gpio.h>
  21
  22 #include <linux/regulator/machine.h>
  23 #include <linux/mfd/tps6586x.h>
  24
  25 #include <mach/irqs.h>
  26
  27 #define PMC_CTRL                0x0
  28 #define PMC_CTRL_INTR_LOW       (1 << 17)
  29
  30 static struct regulator_consumer_supply tps658621_ldo0_supply[] = {
  31         REGULATOR_SUPPLY("pex_clk", NULL),
  32 };
  33
  34 static struct regulator_init_data ldo0_data = {
  35         .constraints = {
  36                 .min_uV = 1250 * 1000,
  37                 .max_uV = 3300 * 1000,
  38                 .valid_modes_mask = (REGULATOR_MODE_NORMAL |
  39                                      REGULATOR_MODE_STANDBY),
  40                 .valid_ops_mask = (REGULATOR_CHANGE_MODE |
  41                                    REGULATOR_CHANGE_STATUS |
  42                                    REGULATOR_CHANGE_VOLTAGE),
  43         },
  44         .num_consumer_supplies = ARRAY_SIZE(tps658621_ldo0_supply),
  45         .consumer_supplies = tps658621_ldo0_supply,
  46 };
  47
  48 #define HARMONY_REGULATOR_INIT(_id, _minmv, _maxmv)                     \
  49         static struct regulator_init_data _id##_data = {                \
  50                 .constraints = {                                        \
  51                         .min_uV = (_minmv)*1000,                        \
  52                         .max_uV = (_maxmv)*1000,                        \
  53                         .valid_modes_mask = (REGULATOR_MODE_NORMAL |    \
  54                                              REGULATOR_MODE_STANDBY),   \
  55                         .valid_ops_mask = (REGULATOR_CHANGE_MODE |      \
  56                                            REGULATOR_CHANGE_STATUS |    \
  57                                            REGULATOR_CHANGE_VOLTAGE),   \
  58                 },                                                      \
  59         }
  60
  61 HARMONY_REGULATOR_INIT(sm0, 725, 1500);
  62 HARMONY_REGULATOR_INIT(sm1, 725, 1500);
  63 HARMONY_REGULATOR_INIT(sm2, 3000, 4550);
  64 HARMONY_REGULATOR_INIT(ldo1, 725, 1500);
  65 HARMONY_REGULATOR_INIT(ldo2, 725, 1500);
  66 HARMONY_REGULATOR_INIT(ldo3, 1250, 3300);
  67 HARMONY_REGULATOR_INIT(ldo4, 1700, 2475);
  68 HARMONY_REGULATOR_INIT(ldo5, 1250, 3300);
  69 HARMONY_REGULATOR_INIT(ldo6, 1250, 3300);
  70 HARMONY_REGULATOR_INIT(ldo7, 1250, 3300);
  71 HARMONY_REGULATOR_INIT(ldo8, 1250, 3300);
  72 HARMONY_REGULATOR_INIT(ldo9, 1250, 3300);
  73
  74 #define TPS_REG(_id, _data)                     \
  75         {                                       \
  76                 .id = TPS6586X_ID_##_id,        \
  77                 .name = "tps6586x-regulator",   \
  78                 .platform_data = _data,         \
  79         }
  80
  81 static struct tps6586x_subdev_info tps_devs[] = {
  82         TPS_REG(SM_0, &sm0_data),
  83         TPS_REG(SM_1, &sm1_data),
  84         TPS_REG(SM_2, &sm2_data),
  85         TPS_REG(LDO_0, &ldo0_data),
  86         TPS_REG(LDO_1, &ldo1_data),
  87         TPS_REG(LDO_2, &ldo2_data),
  88         TPS_REG(LDO_3, &ldo3_data),
  89         TPS_REG(LDO_4, &ldo4_data),
  90         TPS_REG(LDO_5, &ldo5_data),
  91         TPS_REG(LDO_6, &ldo6_data),
  92         TPS_REG(LDO_7, &ldo7_data),
  93         TPS_REG(LDO_8, &ldo8_data),
  94         TPS_REG(LDO_9, &ldo9_data),
  95 };
  96
  97 static struct tps6586x_platform_data tps_platform = {
  98         .irq_base       = TEGRA_NR_IRQS,
  99         .num_subdevs    = ARRAY_SIZE(tps_devs),
 100         .subdevs        = tps_devs,
 101         .gpio_base      = TEGRA_NR_GPIOS,
 102 };
 103
 104 static struct i2c_board_info __initdata harmony_regulators[] = {
 105         {
 106                 I2C_BOARD_INFO("tps6586x", 0x34),
 107                 .irq            = INT_EXTERNAL_PMU,
 108                 .platform_data  = &tps_platform,
 109         },
 110 };
 111
 112 int __init harmony_regulator_init(void)
 113 {
 114         i2c_register_board_info(3, harmony_regulators, 1);
 115
 116         return 0;
 117 }