arch/arm/mach-tegra/board-ventana-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/pda_power.h>
  20 #include <linux/platform_device.h>
  21 #include <linux/resource.h>
  22 #include <linux/regulator/machine.h>
  23 #include <linux/mfd/tps6586x.h>
  24 #include <linux/gpio.h>
  25 #include <mach/suspend.h>
  26 #include <linux/io.h>
  27
  28 #include <mach/iomap.h>
  29 #include <mach/irqs.h>
  30
  31 #include "gpio-names.h"
  32 #include "power.h"
  33 #include "wakeups-t2.h"
  34 #include "board.h"
  35
  36 #define PMC_CTRL                0x0
  37 #define PMC_CTRL_INTR_LOW       (1 << 17)
  38
  39 static struct regulator_consumer_supply tps658621_sm0_supply[] = {
  40         REGULATOR_SUPPLY("vdd_core", NULL),
  41 };
  42 static struct regulator_consumer_supply tps658621_sm1_supply[] = {
  43         REGULATOR_SUPPLY("vdd_cpu", NULL),
  44 };
  45 static struct regulator_consumer_supply tps658621_sm2_supply[] = {
  46         REGULATOR_SUPPLY("vdd_sm2", NULL),
  47 };
  48 static struct regulator_consumer_supply tps658621_ldo0_supply[] = {
  49         REGULATOR_SUPPLY("p_cam_avdd", NULL),
  50 };
  51 static struct regulator_consumer_supply tps658621_ldo1_supply[] = {
  52         REGULATOR_SUPPLY("avdd_pll", NULL),
  53 };
  54 static struct regulator_consumer_supply tps658621_ldo2_supply[] = {
  55         REGULATOR_SUPPLY("vdd_rtc", NULL),
  56 };
  57 static struct regulator_consumer_supply tps658621_ldo3_supply[] = {
  58         REGULATOR_SUPPLY("avdd_usb", NULL),
  59         REGULATOR_SUPPLY("avdd_usb_pll", NULL),
  60         REGULATOR_SUPPLY("avdd_lvds", NULL),
  61 };
  62 static struct regulator_consumer_supply tps658621_ldo4_supply[] = {
  63         REGULATOR_SUPPLY("avdd_osc", NULL),
  64         REGULATOR_SUPPLY("vddio_sys", "panjit_touch"),
  65 };
  66 static struct regulator_consumer_supply tps658621_ldo5_supply[] = {
  67         REGULATOR_SUPPLY("vcore_mmc", "sdhci-tegra.1"),
  68         REGULATOR_SUPPLY("vcore_mmc", "sdhci-tegra.3"),
  69 };
  70 static struct regulator_consumer_supply tps658621_ldo6_supply[] = {
  71         REGULATOR_SUPPLY("vddio_vi", NULL),
  72 };
  73 static struct regulator_consumer_supply tps658621_ldo7_supply[] = {
  74         REGULATOR_SUPPLY("avdd_hdmi", NULL),
  75         REGULATOR_SUPPLY("vdd_fuse", NULL),
  76 };
  77 static struct regulator_consumer_supply tps658621_ldo8_supply[] = {
  78         REGULATOR_SUPPLY("avdd_hdmi_pll", NULL),
  79 };
  80 static struct regulator_consumer_supply tps658621_ldo9_supply[] = {
  81         REGULATOR_SUPPLY("avdd_2v85", NULL),
  82         REGULATOR_SUPPLY("vdd_ddr_rx", NULL),
  83         REGULATOR_SUPPLY("avdd_amp", NULL),
  84 };
  85
  86 #define REGULATOR_INIT(_id, _minmv, _maxmv)                             \
  87         {                                                               \
  88                 .constraints = {                                        \
  89                         .min_uV = (_minmv)*1000,                        \
  90                         .max_uV = (_maxmv)*1000,                        \
  91                         .valid_modes_mask = (REGULATOR_MODE_NORMAL |    \
  92                                              REGULATOR_MODE_STANDBY),   \
  93                         .valid_ops_mask = (REGULATOR_CHANGE_MODE |      \
  94                                            REGULATOR_CHANGE_STATUS |    \
  95                                            REGULATOR_CHANGE_VOLTAGE),   \
  96                 },                                                      \
  97                 .num_consumer_supplies = ARRAY_SIZE(tps658621_##_id##_supply),\
  98                 .consumer_supplies = tps658621_##_id##_supply,          \
  99         }
 100
 101 static struct regulator_init_data sm0_data = REGULATOR_INIT(sm0, 725, 1500);
 102 static struct regulator_init_data sm1_data = REGULATOR_INIT(sm1, 725, 1500);
 103 static struct regulator_init_data sm2_data = REGULATOR_INIT(sm2, 3000, 4550);
 104 static struct regulator_init_data ldo0_data = REGULATOR_INIT(ldo0, 1250, 3300);
 105 static struct regulator_init_data ldo1_data = REGULATOR_INIT(ldo1, 725, 1500);
 106 static struct regulator_init_data ldo2_data = REGULATOR_INIT(ldo2, 725, 1500);
 107 static struct regulator_init_data ldo3_data = REGULATOR_INIT(ldo3, 1250, 3300);
 108 static struct regulator_init_data ldo4_data = REGULATOR_INIT(ldo4, 1700, 2475);
 109 static struct regulator_init_data ldo5_data = REGULATOR_INIT(ldo5, 1250, 3300);
 110 static struct regulator_init_data ldo6_data = REGULATOR_INIT(ldo6, 1250, 3300);
 111 static struct regulator_init_data ldo7_data = REGULATOR_INIT(ldo7, 1250, 3300);
 112 static struct regulator_init_data ldo8_data = REGULATOR_INIT(ldo8, 1250, 3300);
 113 static struct regulator_init_data ldo9_data = REGULATOR_INIT(ldo9, 1250, 3300);
 114
 115 static struct tps6586x_rtc_platform_data rtc_data = {
 116         .irq = TEGRA_NR_IRQS + TPS6586X_INT_RTC_ALM1,
 117 };
 118
 119 #define TPS_REG(_id, _data)                     \
 120         {                                       \
 121                 .id = TPS6586X_ID_##_id,        \
 122                 .name = "tps6586x-regulator",   \
 123                 .platform_data = _data,         \
 124         }
 125
 126 static struct tps6586x_subdev_info tps_devs[] = {
 127         TPS_REG(SM_0, &sm0_data),
 128         TPS_REG(SM_1, &sm1_data),
 129         TPS_REG(SM_2, &sm2_data),
 130         TPS_REG(LDO_0, &ldo0_data),
 131         TPS_REG(LDO_1, &ldo1_data),
 132         TPS_REG(LDO_2, &ldo2_data),
 133         TPS_REG(LDO_3, &ldo3_data),
 134         TPS_REG(LDO_4, &ldo4_data),
 135         TPS_REG(LDO_5, &ldo5_data),
 136         TPS_REG(LDO_6, &ldo6_data),
 137         TPS_REG(LDO_7, &ldo7_data),
 138         TPS_REG(LDO_8, &ldo8_data),
 139         TPS_REG(LDO_9, &ldo9_data),
 140         {
 141                 .id     = 0,
 142                 .name   = "tps6586x-rtc",
 143                 .platform_data = &rtc_data,
 144         },
 145 };
 146
 147 static struct tps6586x_platform_data tps_platform = {
 148         .irq_base = TEGRA_NR_IRQS,
 149         .num_subdevs = ARRAY_SIZE(tps_devs),
 150         .subdevs = tps_devs,
 151         .gpio_base = TEGRA_NR_GPIOS,
 152 };
 153
 154 static struct i2c_board_info __initdata ventana_regulators[] = {
 155         {
 156                 I2C_BOARD_INFO("tps6586x", 0x34),
 157                 .irq            = INT_EXTERNAL_PMU,
 158                 .platform_data  = &tps_platform,
 159         },
 160 };
 161
 162 static struct tegra_suspend_platform_data ventana_suspend_data = {
 163         .cpu_timer      = 2000,
 164         .cpu_off_timer  = 0,
 165         .suspend_mode   = TEGRA_SUSPEND_LP1,
 166         .core_timer     = 0x7e7e,
 167         .core_off_timer = 0,
 168         .separate_req   = true,
 169         .corereq_high   = false,
 170         .sysclkreq_high = true,
 171         .wake_enb       = TEGRA_WAKE_GPIO_PV2,
 172         .wake_high      = 0,
 173         .wake_low       = TEGRA_WAKE_GPIO_PV2,
 174         .wake_any       = 0,
 175 };
 176
 177 int __init ventana_regulator_init(void)
 178 {
 179         void __iomem *pmc = IO_ADDRESS(TEGRA_PMC_BASE);
 180         u32 pmc_ctrl;
 181
 182         /* configure the power management controller to trigger PMU
 183          * interrupts when low */
 184         pmc_ctrl = readl(pmc + PMC_CTRL);
 185         writel(pmc_ctrl | PMC_CTRL_INTR_LOW, pmc + PMC_CTRL);
 186         i2c_register_board_info(4, ventana_regulators, 1);
 187         tegra_init_suspend(&ventana_suspend_data);
 188         return 0;
 189 }