/*
* arch/arm/mach-tegra/p852/board-p852-power.c
*
* Copyright (c) 2010-2011, NVIDIA Corporation.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*
*/
#include <linux/i2c.h>
#include <linux/pda_power.h>
#include <linux/platform_device.h>
#include <linux/resource.h>
#include <linux/regulator/machine.h>
#include <linux/mfd/tps6586x.h>
#include <linux/gpio.h>
#include <linux/io.h>
#include <mach/iomap.h>
#include <mach/irqs.h>
#include "board-p852.h"
#define PMC_CTRL 0x0
#define PMC_CTRL_INTR_LOW (1 << 17)
static struct regulator_consumer_supply tps658621_sm0_supply[] = {
REGULATOR_SUPPLY("vdd_core", NULL),
};
static struct regulator_consumer_supply tps658621_sm1_supply[] = {
REGULATOR_SUPPLY("vdd_cpu", NULL),
};
static struct regulator_consumer_supply tps658621_sm2_supply[] = {
REGULATOR_SUPPLY("vdd_sm2", NULL),
};
static struct regulator_consumer_supply tps658621_ldo0_supply[] = {
REGULATOR_SUPPLY("vddio_pex_clk", NULL),
};
static struct regulator_consumer_supply tps658621_ldo1_supply[] = {
REGULATOR_SUPPLY("avdd_pll", NULL),
REGULATOR_SUPPLY("avdd_plla_pc", NULL),
REGULATOR_SUPPLY("avdd_pllm", NULL),
REGULATOR_SUPPLY("avdd_pllu", NULL),
REGULATOR_SUPPLY("avdd_pllx6", NULL),
};
static struct regulator_consumer_supply tps658621_ldo2_supply[] = {
REGULATOR_SUPPLY("vdd_rtc", NULL),
};
static struct regulator_consumer_supply tps658621_ldo3_supply[] = {
REGULATOR_SUPPLY("avdd_usb", NULL),
REGULATOR_SUPPLY("avdd_usb_pll", NULL),
REGULATOR_SUPPLY("avdd_lvds", NULL),
};
static struct regulator_consumer_supply tps658621_ldo4_supply[] = {
REGULATOR_SUPPLY("avdd_osc", NULL),
REGULATOR_SUPPLY("vddio_sys", "panjit_touch"),
};
static struct regulator_consumer_supply tps658621_ldo5_supply[] = {
REGULATOR_SUPPLY("vddio_lcd", NULL),
};
static struct regulator_consumer_supply tps658621_ldo6_supply[] = {
REGULATOR_SUPPLY("avdd_vdac", NULL),
};
static struct regulator_consumer_supply tps658621_ldo7_supply[] = {
REGULATOR_SUPPLY("vddio_vi", NULL),
REGULATOR_SUPPLY("vdd_fuse", NULL),
REGULATOR_SUPPLY("vspi", "spi_tegra.0"),
};
static struct regulator_consumer_supply tps658621_ldo8_supply[] = {
REGULATOR_SUPPLY("vddio_bb", NULL),
REGULATOR_SUPPLY("vmmc", "sdhci-tegra.0"),
REGULATOR_SUPPLY("vmmc", "sdhci-tegra.2"),
};
static struct regulator_consumer_supply tps658621_ldo9_supply[] = {
REGULATOR_SUPPLY("vdd_ddr_rx", NULL),
REGULATOR_SUPPLY("vmmc", "sdhci-tegra.3"),
};
#define REGULATOR_INIT(_id, _minmv, _maxmv) \
{ \
.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), \
}, \
.num_consumer_supplies = ARRAY_SIZE(tps658621_##_id##_supply),\
.consumer_supplies = tps658621_##_id##_supply, \
}
static struct regulator_init_data sm0_data = REGULATOR_INIT(sm0, 725, 1500);
static struct regulator_init_data sm1_data = REGULATOR_INIT(sm1, 725, 1500);
static struct regulator_init_data sm2_data = REGULATOR_INIT(sm2, 3000, 4550);
static struct regulator_init_data ldo0_data = REGULATOR_INIT(ldo0, 1250, 3300);
static struct regulator_init_data ldo1_data = REGULATOR_INIT(ldo1, 725, 1500);
static struct regulator_init_data ldo2_data = REGULATOR_INIT(ldo2, 725, 1225);
static struct regulator_init_data ldo3_data = REGULATOR_INIT(ldo3, 1250, 3300);
static struct regulator_init_data ldo4_data = REGULATOR_INIT(ldo4, 1700, 2475);
static struct regulator_init_data ldo5_data = REGULATOR_INIT(ldo5, 1250, 3300);
static struct regulator_init_data ldo6_data = REGULATOR_INIT(ldo6, 1250, 3300);
static struct regulator_init_data ldo7_data = REGULATOR_INIT(ldo7, 1250, 3300);
static struct regulator_init_data ldo8_data = REGULATOR_INIT(ldo8, 1250, 3300);
static struct regulator_init_data ldo9_data = REGULATOR_INIT(ldo9, 1250, 3300);
static struct tps6586x_rtc_platform_data rtc_data = {
.irq = TEGRA_NR_IRQS + TPS6586X_INT_RTC_ALM1,
.cl_sel = 0,
};
#define TPS_REG(_id, _data) \
{ \
.id = TPS6586X_ID_##_id, \
.name = "tps6586x-regulator", \
.platform_data = _data, \
}
static struct tps6586x_subdev_info tps_devs[] = {
TPS_REG(SM_0, &sm0_data),
TPS_REG(SM_1, &sm1_data),
TPS_REG(SM_2, &sm2_data),
TPS_REG(LDO_0, &ldo0_data),
TPS_REG(LDO_1, &ldo1_data),
TPS_REG(LDO_2, &ldo2_data),
TPS_REG(LDO_3, &ldo3_data),
TPS_REG(LDO_4, &ldo4_data),
TPS_REG(LDO_5, &ldo5_data),
TPS_REG(LDO_6, &ldo6_data),
TPS_REG(LDO_7, &ldo7_data),
TPS_REG(LDO_8, &ldo8_data),
TPS_REG(LDO_9, &ldo9_data),
{
.id = 0,
.name = "tps6586x-rtc",
.platform_data = &rtc_data,
},
};
static struct tps6586x_platform_data tps_platform = {
.irq_base = TEGRA_NR_IRQS,
.num_subdevs = ARRAY_SIZE(tps_devs),
.subdevs = tps_devs,
.gpio_base = TEGRA_NR_GPIOS,
.use_power_off = true,
};
static struct i2c_board_info __initdata p852_regulators[] = {
{
I2C_BOARD_INFO("tps6586x", 0x34),
.irq = INT_EXTERNAL_PMU,
.platform_data = &tps_platform,
},
};
static struct tegra_suspend_platform_data p852_suspend_data = {
.cpu_timer = 2000,
.cpu_off_timer = 0,
.suspend_mode = TEGRA_SUSPEND_LP1,
.core_timer = 0x7e7e,
.core_off_timer = 0,
.corereq_high = false,
.sysclkreq_high = true,
};
static void __init tps6586x_rtc_preinit(void)
{
int i;
struct tps6586x_rtc_platform_data *rtc_pdata;
if (system_rev == P852_SKU23_B00 ||
system_rev == P852_SKU23_C01 ||
system_rev == P852_SKU13_B00 ||
system_rev == P852_SKU5_B00 ||
system_rev == P852_SKU5_C01) {
for (i = 0; i < tps_platform.num_subdevs; ++i)
if (!strcmp(tps_platform.subdevs[i].name,
"tps6586x-rtc"))
rtc_pdata =
(struct tps6586x_rtc_platform_data *)
(tps_platform.subdevs[i].platform_data);
rtc_pdata->cl_sel = TPS6586X_RTC_CL_SEL_1_5PF;
}
}
int __init p852_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);
i2c_register_board_info(3, p852_regulators, 1);
tegra_init_suspend(&p852_suspend_data);
tps6586x_rtc_preinit();
return 0;
}
