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|
/*
* arch/arm/mach-tegra/board-colibri_t30-power.c
*
* Copyright (C) 2012-2016 Toradex, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License 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.
*
* 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
*/
#include <asm/mach-types.h>
#include <linux/gpio.h>
#include <linux/i2c.h>
#include <linux/io.h>
#include <linux/mfd/tps6591x.h>
#include <linux/platform_device.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/tps62360.h>
#include <linux/regulator/tps6591x-regulator.h>
#include <linux/resource.h>
#include <mach/edp.h>
#include <mach/iomap.h>
#include <mach/irqs.h>
#include <mach/pinmux.h>
#include "board-colibri_t30.h"
#include "board.h"
#include "gpio-names.h"
#include "tegra3_tsensor.h"
#include "pm.h"
#include "wakeups.h"
#include "wakeups-t3.h"
#define PMC_CTRL 0x0
#define PMC_CTRL_INTR_LOW (1 << 17)
/* SW1: +V1.35_VDDIO_DDR */
static struct regulator_consumer_supply tps6591x_vdd1_supply_0[] = {
REGULATOR_SUPPLY("mem_vddio_ddr", NULL),
REGULATOR_SUPPLY("t30_vddio_ddr", NULL),
};
/* SW2: unused */
static struct regulator_consumer_supply tps6591x_vdd2_supply_0[] = {
REGULATOR_SUPPLY("unused_rail_vdd2", NULL),
};
/* SW CTRL: +V1.0_VDD_CPU */
static struct regulator_consumer_supply tps6591x_vddctrl_supply_0[] = {
REGULATOR_SUPPLY("vdd_cpu_pmu", NULL),
REGULATOR_SUPPLY("vdd_cpu", NULL),
//!=vddio_sys!
REGULATOR_SUPPLY("vdd_sys", NULL),
};
/* SWIO: +V1.8 */
static struct regulator_consumer_supply tps6591x_vio_supply_0[] = {
REGULATOR_SUPPLY("vdd_gen1v8", NULL),
REGULATOR_SUPPLY("avdd_usb_pll", NULL),
REGULATOR_SUPPLY("avdd_osc", NULL),
REGULATOR_SUPPLY("vddio_sdmmc", "sdhci-tegra.3"),
REGULATOR_SUPPLY("pwrdet_sdmmc4", NULL),
REGULATOR_SUPPLY("vdd1v8_satelite", NULL),
REGULATOR_SUPPLY("vddio_vi", NULL),
REGULATOR_SUPPLY("pwrdet_vi", NULL),
REGULATOR_SUPPLY("ldo1", NULL),
REGULATOR_SUPPLY("ldo2", NULL),
REGULATOR_SUPPLY("ldo6", NULL),
REGULATOR_SUPPLY("ldo7", NULL),
REGULATOR_SUPPLY("ldo8", NULL),
REGULATOR_SUPPLY("vcore_audio", NULL),
REGULATOR_SUPPLY("avcore_audio", NULL),
REGULATOR_SUPPLY("vcore1_lpddr2", NULL),
REGULATOR_SUPPLY("vcom_1v8", NULL),
REGULATOR_SUPPLY("pmuio_1v8", NULL),
REGULATOR_SUPPLY("avdd_ic_usb", NULL),
};
/* unused */
static struct regulator_consumer_supply tps6591x_ldo1_supply_0[] = {
REGULATOR_SUPPLY("unused_rail_ldo1", NULL),
};
/* EN_+V3.3 switching via FET: +V3.3_AUDIO_AVDD_S, +V3.3 and +V1.8_VDD_LAN
see also v3_3 fixed supply */
static struct regulator_consumer_supply tps6591x_ldo2_supply_0[] = {
REGULATOR_SUPPLY("en_V3_3", NULL),
};
/* unused */
static struct regulator_consumer_supply tps6591x_ldo3_supply_0[] = {
REGULATOR_SUPPLY("avdd_dsi_csi", NULL),
REGULATOR_SUPPLY("pwrdet_mipi", NULL),
};
/* +V1.2_VDD_RTC */
static struct regulator_consumer_supply tps6591x_ldo4_supply_0[] = {
REGULATOR_SUPPLY("vdd_rtc", NULL),
};
/* +V2.8_AVDD_VDAC */
//only required for analog RGB
static struct regulator_consumer_supply tps6591x_ldo5_supply_0[] = {
REGULATOR_SUPPLY("avdd_vdac", NULL),
};
/* +V1.05_AVDD_PLLE */
static struct regulator_consumer_supply tps6591x_ldo6_supply_0[] = {
REGULATOR_SUPPLY("avdd_plle", NULL),
};
/* +V1.2_AVDD_PLL */
static struct regulator_consumer_supply tps6591x_ldo7_supply_0[] = {
REGULATOR_SUPPLY("avdd_plla_p_c_s", NULL),
REGULATOR_SUPPLY("avdd_pllm", NULL),
REGULATOR_SUPPLY("avdd_pllu_d", NULL),
REGULATOR_SUPPLY("avdd_pllu_d2", NULL),
REGULATOR_SUPPLY("avdd_pllx", NULL),
};
/* +V1.0_VDD_DDR_HS */
static struct regulator_consumer_supply tps6591x_ldo8_supply_0[] = {
REGULATOR_SUPPLY("vdd_ddr_hs", NULL),
};
#define TPS_PDATA_INIT(_name, _sname, _minmv, _maxmv, _supply_reg, _always_on, \
_boot_on, _apply_uv, _init_uV, _init_enable, _init_apply, _ectrl, _flags) \
static struct tps6591x_regulator_platform_data pdata_##_name##_##_sname = \
{ \
.regulator = { \
.constraints = { \
.min_uV = (_minmv)*1000, \
.max_uV = (_maxmv)*1000, \
.valid_modes_mask = (REGULATOR_MODE_NORMAL | \
REGULATOR_MODE_STANDBY), \
.valid_ops_mask = (REGULATOR_CHANGE_MODE | \
REGULATOR_CHANGE_STATUS | \
REGULATOR_CHANGE_VOLTAGE), \
.always_on = _always_on, \
.boot_on = _boot_on, \
.apply_uV = _apply_uv, \
}, \
.num_consumer_supplies = \
ARRAY_SIZE(tps6591x_##_name##_supply_##_sname), \
.consumer_supplies = tps6591x_##_name##_supply_##_sname, \
.supply_regulator = _supply_reg, \
}, \
.init_uV = _init_uV * 1000, \
.init_enable = _init_enable, \
.init_apply = _init_apply, \
.ectrl = _ectrl, \
.flags = _flags, \
}
TPS_PDATA_INIT(vdd1, 0, 1350, 1350, 0, 1, 1, 0, -1, 0, 0, 0, 0);
TPS_PDATA_INIT(vdd2, 0, 1050, 1050, 0, 0, 1, 0, -1, 0, 0, EXT_CTRL_SLEEP_OFF, 0);
TPS_PDATA_INIT(vddctrl, 0, 800, 1300, 0, 1, 1, 0, -1, 0, 0, EXT_CTRL_EN1, 0);
TPS_PDATA_INIT(vio, 0, 1800, 1800, 0, 1, 1, 0, -1, 0, 0, 0, 0);
TPS_PDATA_INIT(ldo1, 0, 1000, 3300, tps6591x_rails(VIO), 0, 0, 0, -1, 0, 1, 0, 0);
/* Make sure EN_+V3.3 is always on! */
TPS_PDATA_INIT(ldo2, 0, 1200, 1200, tps6591x_rails(VIO), 1, 1, 1, -1, 0, 1, 0, 0);
TPS_PDATA_INIT(ldo3, 0, 1200, 1200, 0, 0, 0, 0, -1, 0, 0, 0, 0);
TPS_PDATA_INIT(ldo4, 0, 900, 1400, 0, 1, 0, 0, -1, 0, 0, 0, LDO_LOW_POWER_ON_SUSPEND);
TPS_PDATA_INIT(ldo5, 0, 2800, 2800, 0, 0, 0, 0, -1, 0, 0, 0, 0);
/* AVDD_PLLE should be 1.05V, but ldo_6 can not be adjusted in a 50mV granularity */
TPS_PDATA_INIT(ldo6, 0, 1000, 1100, tps6591x_rails(VIO), 0, 0, 1, -1, 0, 0, 0, 0);
TPS_PDATA_INIT(ldo7, 0, 1200, 1200, tps6591x_rails(VIO), 1, 1, 1, -1, 0, 0, EXT_CTRL_SLEEP_OFF, LDO_LOW_POWER_ON_SUSPEND);
TPS_PDATA_INIT(ldo8, 0, 1000, 1000, tps6591x_rails(VIO), 1, 0, 0, -1, 0, 0, EXT_CTRL_SLEEP_OFF, LDO_LOW_POWER_ON_SUSPEND);
#if defined(CONFIG_RTC_DRV_TPS6591x)
static struct tps6591x_rtc_platform_data rtc_data = {
.irq = TPS6591X_IRQ_BASE + TPS6591X_INT_RTC_ALARM,
.time = {
.tm_year = 2000,
.tm_mon = 0,
.tm_mday = 1,
.tm_hour = 0,
.tm_min = 0,
.tm_sec = 0,
},
};
#define TPS_RTC_REG() \
{ \
.id = 0, \
.name = "rtc_tps6591x", \
.platform_data = &rtc_data, \
}
#endif
#define TPS_REG(_id, _name, _sname) \
{ \
.id = TPS6591X_ID_##_id, \
.name = "tps6591x-regulator", \
.platform_data = &pdata_##_name##_##_sname, \
}
static struct tps6591x_subdev_info colibri_t30_tps_devs[] = {
TPS_REG(VDD_1, vdd1, 0),
TPS_REG(VDD_2, vdd2, 0),
TPS_REG(VDDCTRL, vddctrl, 0),
TPS_REG(VIO, vio, 0),
TPS_REG(LDO_1, ldo1, 0),
TPS_REG(LDO_2, ldo2, 0),
TPS_REG(LDO_3, ldo3, 0),
TPS_REG(LDO_4, ldo4, 0),
TPS_REG(LDO_5, ldo5, 0),
TPS_REG(LDO_6, ldo6, 0),
TPS_REG(LDO_7, ldo7, 0),
TPS_REG(LDO_8, ldo8, 0),
#if defined(CONFIG_RTC_DRV_TPS6591x)
TPS_RTC_REG(),
#endif
};
#define TPS_GPIO_INIT_PDATA(gpio_nr, _init_apply, _sleep_en, _pulldn_en, _output_en, _output_val) \
[gpio_nr] = { \
.sleep_en = _sleep_en, \
.pulldn_en = _pulldn_en, \
.output_mode_en = _output_en, \
.output_val = _output_val, \
.init_apply = _init_apply, \
}
static struct tps6591x_gpio_init_data tps_gpio_pdata_colibri_t30[] = {
TPS_GPIO_INIT_PDATA(0, 0, 0, 0, 0, 0),
TPS_GPIO_INIT_PDATA(1, 1, 0, 0, 1, 0), /* EN_CORE_DVFS_N */
TPS_GPIO_INIT_PDATA(2, 1, 1, 0, 1, 1), /* EN_VDD_CORE */
TPS_GPIO_INIT_PDATA(3, 0, 0, 0, 0, 0),
TPS_GPIO_INIT_PDATA(4, 1, 0, 0, 0, 0), /* EN_VDD_FUSE# */
TPS_GPIO_INIT_PDATA(5, 0, 0, 0, 0, 0),
TPS_GPIO_INIT_PDATA(6, 1, 1, 0, 1, 0), /* EN_VDD_HDMI */
TPS_GPIO_INIT_PDATA(7, 0, 0, 0, 0, 0),
TPS_GPIO_INIT_PDATA(8, 0, 0, 0, 0, 0),
};
static struct tps6591x_sleep_keepon_data tps_slp_keepon = {
.clkout32k_keepon = 1,
};
static struct tps6591x_platform_data tps_platform = {
.irq_base = TPS6591X_IRQ_BASE,
.gpio_base = TPS6591X_GPIO_BASE,
.dev_slp_en = true,
.slp_keepon = &tps_slp_keepon,
.use_power_off = true,
};
static struct i2c_board_info __initdata colibri_t30_regulators[] = {
{
I2C_BOARD_INFO("tps6591x", 0x2D),
//PWR_INT_IN wake18
.irq = INT_EXTERNAL_PMU,
.platform_data = &tps_platform,
},
};
/* TPS62362 DC-DC converter
SW: +V1.2_VDD_CORE
Note: Colibri T30 V1.0 have TPS62360 with different voltage levels at startup */
static struct regulator_consumer_supply tps6236x_dcdc_supply[] = {
REGULATOR_SUPPLY("vdd_core", NULL),
};
static struct tps62360_regulator_platform_data tps6236x_pdata = {
.reg_init_data = { \
.constraints = { \
.min_uV = 900000, \
.max_uV = 1400000, \
.valid_modes_mask = (REGULATOR_MODE_NORMAL | \
REGULATOR_MODE_STANDBY), \
.valid_ops_mask = (REGULATOR_CHANGE_MODE | \
REGULATOR_CHANGE_STATUS | \
REGULATOR_CHANGE_VOLTAGE), \
.always_on = 1, \
.boot_on = 1, \
.apply_uV = 0, \
}, \
.num_consumer_supplies = ARRAY_SIZE(tps6236x_dcdc_supply), \
.consumer_supplies = tps6236x_dcdc_supply, \
}, \
.en_discharge = true, \
.en_internal_pulldn = false, \
.vsel0_gpio = -1, \
.vsel1_gpio = -1, \
.vsel0_def_state = 0, \
.vsel1_def_state = 0, \
};
static struct i2c_board_info __initdata tps6236x_boardinfo[] = {
{
I2C_BOARD_INFO("tps62360", 0x60),
.platform_data = &tps6236x_pdata,
},
};
/* Macro for defining fixed regulator sub device data */
#define FIXED_SUPPLY(_name) "fixed_reg_"#_name
#define FIXED_REG_OD(_id, _var, _name, _in_supply, _always_on, \
_boot_on, _gpio_nr, _active_high, _boot_state, \
_millivolts, _od_state) \
static struct regulator_init_data ri_data_##_var = \
{ \
.supply_regulator = _in_supply, \
.num_consumer_supplies = \
ARRAY_SIZE(fixed_reg_##_name##_supply), \
.consumer_supplies = fixed_reg_##_name##_supply, \
.constraints = { \
.valid_modes_mask = (REGULATOR_MODE_NORMAL), \
.valid_ops_mask = (REGULATOR_CHANGE_STATUS), \
.always_on = _always_on, \
.boot_on = _boot_on, \
}, \
}; \
static struct fixed_voltage_config fixed_reg_##_var##_pdata = \
{ \
.supply_name = FIXED_SUPPLY(_name), \
.microvolts = _millivolts * 1000, \
.gpio = _gpio_nr, \
.enable_high = _active_high, \
.enabled_at_boot = _boot_state, \
.init_data = &ri_data_##_var, \
.gpio_is_open_drain = _od_state, \
}; \
static struct platform_device fixed_reg_##_var##_dev = { \
.name = "reg-fixed-voltage", \
.id = _id, \
.dev = { \
.platform_data = &fixed_reg_##_var##_pdata, \
}, \
}
#define FIXED_REG(_id, _var, _name, _in_supply, _always_on, _boot_on, \
_gpio_nr, _active_high, _boot_state, _millivolts) \
FIXED_REG_OD(_id, _var, _name, _in_supply, _always_on, _boot_on, \
_gpio_nr, _active_high, _boot_state, _millivolts, false)
#define ADD_FIXED_REG(_name) (&fixed_reg_##_name##_dev)
/* PMU GP6: EN_VDD_HDMI switching via FET: +V1.8_AVDD_HDMI_PLL and +V3.3_AVDD_HDMI */
static struct regulator_consumer_supply fixed_reg_en_hdmi_supply[] = {
REGULATOR_SUPPLY("avdd_hdmi", NULL),
REGULATOR_SUPPLY("avdd_hdmi_pll", NULL),
// REGULATOR_SUPPLY("vdd_3v3_hdmi_cec", NULL),
};
/* EN_VDD_HDMI */
FIXED_REG(0, en_hdmi, en_hdmi, NULL, 0, 0, TPS6591X_GPIO_6, true, 1, 1800);
/* +V3.3 is switched on by LDO2, As this can not be modeled we use a fixed
regulator without enable, 3.3V must not be switched off anyway.
+V3.3:
VDD_DDR_RX
VDDIO_LCD_1
VDDIO_LCD_2
VDDIO_CAM
LM95245
VDDIO_SYS_01
VDDIO_SYS_02
VDDIO_BB
VDDIO_AUDIO
VDDIO_GMI_1
VDDIO_GMI_2
VDDIO_GMI_3
VDDIO_UART
VDDIO_SDMMC1
AVDD_USB
VDDIO_SDMMC3
74AVCAH164245
VDDIO_PEX_CTL
TPS65911 VDDIO
MT29F16G08
SGTL5000 VDDIO
STMPE811
AX88772B VCC3x
SDIN5D2-2G VCCx */
static struct regulator_consumer_supply fixed_reg_v3_3_supply[] = {
REGULATOR_SUPPLY("avdd_audio", NULL),
REGULATOR_SUPPLY("avdd_usb", NULL),
REGULATOR_SUPPLY("vddio_sd_slot", "sdhci-tegra.1"),
REGULATOR_SUPPLY("vddio_sys", NULL),
REGULATOR_SUPPLY("vddio_uart", NULL),
REGULATOR_SUPPLY("pwrdet_uart", NULL),
REGULATOR_SUPPLY("vddio_audio", NULL),
REGULATOR_SUPPLY("pwrdet_audio", NULL),
REGULATOR_SUPPLY("vddio_bb", NULL),
REGULATOR_SUPPLY("pwrdet_bb", NULL),
REGULATOR_SUPPLY("vddio_lcd_pmu", NULL),
REGULATOR_SUPPLY("pwrdet_lcd", NULL),
REGULATOR_SUPPLY("vddio_cam", NULL),
REGULATOR_SUPPLY("pwrdet_cam", NULL),
/* if this supply is defined, the sdhci driver tries
* to set it to 1.8V */
// REGULATOR_SUPPLY("vddio_sdmmc", "sdhci-tegra.1"),
REGULATOR_SUPPLY("pwrdet_sdmmc2", NULL),
REGULATOR_SUPPLY("pwrdet_sdmmc1", NULL),
REGULATOR_SUPPLY("pwrdet_sdmmc3", NULL),
REGULATOR_SUPPLY("pwrdet_pex_ctl", NULL),
REGULATOR_SUPPLY("pwrdet_nand", NULL),
/* SGTL5000 */
REGULATOR_SUPPLY("VDDA", "4-000a"),
REGULATOR_SUPPLY("VDDIO", "4-000a"),
};
FIXED_REG(1, v3_3, v3_3, NULL, 1, 1, -1, true, 1, 3300);
/* Gpio switch regulator platform data */
static struct platform_device *fixed_reg_devs_colibri_t30[] = {
ADD_FIXED_REG(en_hdmi),
ADD_FIXED_REG(v3_3),
};
int __init colibri_t30_regulator_init(void)
{
void __iomem *pmc = IO_ADDRESS(TEGRA_PMC_BASE);
u32 pmc_ctrl;
/* configure the power management controller to trigger PMU
* interrupts when low */
pmc_ctrl = readl(pmc + PMC_CTRL);
writel(pmc_ctrl | PMC_CTRL_INTR_LOW, pmc + PMC_CTRL);
/* The regulator details have complete constraints */
regulator_has_full_constraints();
tps_platform.num_subdevs = ARRAY_SIZE(colibri_t30_tps_devs);
tps_platform.subdevs = colibri_t30_tps_devs;
tps_platform.gpio_init_data = tps_gpio_pdata_colibri_t30;
tps_platform.num_gpioinit_data = ARRAY_SIZE(tps_gpio_pdata_colibri_t30);
i2c_register_board_info(4, colibri_t30_regulators, 1);
/* Register the TPS6236x. */
pr_info("Registering the device TPS62360\n");
i2c_register_board_info(4, tps6236x_boardinfo, 1);
return 0;
}
int __init colibri_t20_fixed_regulator_init(void)
{
return platform_add_devices(fixed_reg_devs_colibri_t30,
ARRAY_SIZE(fixed_reg_devs_colibri_t30));
}
subsys_initcall_sync(colibri_t20_fixed_regulator_init);
static void colibri_t30_board_suspend(int lp_state, enum suspend_stage stg)
{
if ((lp_state == TEGRA_SUSPEND_LP1) && (stg == TEGRA_SUSPEND_BEFORE_CPU))
tegra_console_uart_suspend();
}
static void colibri_t30_board_resume(int lp_state, enum resume_stage stg)
{
if ((lp_state == TEGRA_SUSPEND_LP1) && (stg == TEGRA_RESUME_AFTER_CPU))
tegra_console_uart_resume();
}
static struct tegra_suspend_platform_data colibri_t30_suspend_data = {
.cpu_timer = 2000,
.cpu_off_timer = 200,
.suspend_mode = TEGRA_SUSPEND_LP1,
.core_timer = 0x7e7e,
.core_off_timer = 0,
.corereq_high = true,
.sysclkreq_high = true,
.cpu_lp2_min_residency = 2000,
.board_suspend = colibri_t30_board_suspend,
.board_resume = colibri_t30_board_resume,
};
int __init colibri_t30_suspend_init(void)
{
/* CORE_PWR_REQ to be high required to enable the dc-dc converter tps62362 */
colibri_t30_suspend_data.corereq_high = true;
//required?
colibri_t30_suspend_data.cpu_timer = 5000;
colibri_t30_suspend_data.cpu_off_timer = 5000;
tegra_init_suspend(&colibri_t30_suspend_data);
return 0;
}
#ifdef CONFIG_TEGRA_EDP_LIMITS
int __init colibri_t30_edp_init(void)
{
unsigned int regulator_mA;
regulator_mA = get_maximum_cpu_current_supported();
if (!regulator_mA) {
regulator_mA = 6000; /* regular T30/s */
}
pr_info("%s: CPU regulator %d mA\n", __func__, regulator_mA);
tegra_init_cpu_edp_limits(regulator_mA);
return 0;
}
#endif
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