diff options
Diffstat (limited to 'arch/arm/mach-tegra/board-apalis_t30-power.c')
| -rw-r--r-- | arch/arm/mach-tegra/board-apalis_t30-power.c | 510 |
1 files changed, 510 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-apalis_t30-power.c b/arch/arm/mach-tegra/board-apalis_t30-power.c new file mode 100644 index 000000000000..0344828f031a --- /dev/null +++ b/arch/arm/mach-tegra/board-apalis_t30-power.c @@ -0,0 +1,510 @@ +/* + * arch/arm/mach-tegra/board-apalis_t30-power.c + * + * Copyright (C) 2013 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-apalis_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: +V1.05 */ +static struct regulator_consumer_supply tps6591x_vdd2_supply_0[] = { + REGULATOR_SUPPLY("avdd_sata", NULL), + REGULATOR_SUPPLY("vdd_sata", NULL), + REGULATOR_SUPPLY("avdd_sata_pll", 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 */ +//Apalis T30 +//+V3.3_VPP_FUSE +//POWER_ENABLE_MOCI +//+V3.3_TOUCH_AVDD_S +//+V3.3_AUDIO_AVDD_S +static struct regulator_consumer_supply tps6591x_ldo2_supply_0[] = { + REGULATOR_SUPPLY("en_V3_3", NULL), +}; + +/* +V1.2_CSI */ +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), +}; + +//Apalis T30 +/* +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, 1, -1, 0, 0, 0, 0); +TPS_PDATA_INIT(vdd2, 0, 1050, 1050, 0, 1, 1, 1, -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 = TEGRA_NR_IRQS + 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 apalis_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 +}; + +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 apalis_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 */ +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, \ + .vsel0_gpio = -1, \ + .vsel1_gpio = -1, \ + .vsel0_def_state = 1, \ + .vsel1_def_state = 1, \ +}; + +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), +// REGULATOR_SUPPLY("vdd_hdmi_con", NULL), +}; + +//EN_VDD_CORE PMIC GPIO2 +//EN_VDD_FUSE PMIC GPIO4 +//EN_VDD_HDMI PMIC GPIO6 + +FIXED_REG(2, 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"), + + REGULATOR_SUPPLY("hvdd_pex", NULL), + REGULATOR_SUPPLY("hvdd_sata", NULL), +}; + +FIXED_REG(3, v3_3, v3_3, NULL, 1, 1, -1, true, 1, 3300); + +/* Gpio switch regulator platform data */ +static struct platform_device *fixed_reg_devs_apalis_t30[] = { + ADD_FIXED_REG(en_hdmi), + ADD_FIXED_REG(v3_3), +}; + +int __init apalis_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(apalis_t30_tps_devs); + tps_platform.subdevs = apalis_t30_tps_devs; + + i2c_register_board_info(4, apalis_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 apalis_t20_fixed_regulator_init(void) +{ + return platform_add_devices(fixed_reg_devs_apalis_t30, ARRAY_SIZE(fixed_reg_devs_apalis_t30)); +} +subsys_initcall_sync(apalis_t20_fixed_regulator_init); + +static void apalis_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 apalis_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 apalis_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 = apalis_t30_board_suspend, + .board_resume = apalis_t30_board_resume, +}; + +int __init apalis_t30_suspend_init(void) +{ + /* Make core_pwr_req to high */ + apalis_t30_suspend_data.corereq_high = true; + + /* CORE_PWR_REQ to be high required to enable the dc-dc converter tps62361x */ + apalis_t30_suspend_data.corereq_high = true; + +//required? + apalis_t30_suspend_data.cpu_timer = 5000; + apalis_t30_suspend_data.cpu_off_timer = 5000; + + tegra_init_suspend(&apalis_t30_suspend_data); + return 0; +} + +#ifdef CONFIG_TEGRA_EDP_LIMITS +int __init apalis_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 |