Initial file dump from open source releaseHEADmaster

1 files changed, 1409 insertions, 0 deletions

diff --git a/drivers/power/sprd_ext_ic_power.c b/drivers/power/sprd_ext_ic_power.c
new file mode 100644
index 00000000..d2204e32
--- /dev/null
+++ b/drivers/power/sprd_ext_ic_power.c
@@ -0,0 +1,1409 @@
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/power_supply.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <asm/io.h>
+#include <linux/hrtimer.h>
+#include <linux/spinlock.h>
+#include <linux/gpio.h>
+#include <linux/irq.h>
+#include <linux/wakelock.h>
+#include <linux/delay.h>
+#include <soc/sprd/hardware.h>
+#include <soc/sprd/gpio.h>
+#include <linux/device.h>
+
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include "sprd_battery.h"
+
+#include <linux/leds.h>
+
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_gpio.h>
+#include <linux/of_irq.h>
+
+#include <soc/sprd/sci.h>
+#include <soc/sprd/sci_glb_regs.h>
+#include <soc/sprd/adi.h>
+#include <soc/sprd/adc.h>
+#include <soc/sprd/usb.h>
+
+#ifdef CONFIG_SPRD_CHARGER_SM5701
+#include <linux/power/sm5701.h>
+#endif
+
+#ifdef CONFIG_SPRD_CHARGER_FAN5405
+#include "fan5405.h"
+#endif
+
+#define SPRDBAT_ONE_PERCENT_TIME   (30)
+#define SPRDBAT_VALID_CAP   40
+
+static struct sprdbat_drivier_data *sprdbat_data;
+struct delayed_work sprdbat_charge_work;
+static unsigned long sprdbat_update_capacity_time;
+static uint32_t poweron_capacity;
+static uint32_t sprdbat_start_chg;
+
+struct sprd_ext_ic_operations *sprd_ext_ic_op;
+
+/*************************************************************************
+
+	Use to recourd state of fan54015 report
+
+	status_0: charge idle 
+		when charge stop will enter this state and start charge depend on stop condition 
+		
+	status_1: charging process 
+		in this status will clear charge_done_flag charge_err_flag.
+
+	status_2: charge done
+		in this status charge_done_flag will set true
+
+	status_3: someting err happened when charging
+		in this stats charge_err_flag will set true
+
+***************************************************************************/
+
+static int status_0, status_1, status_2, status_3 = 0;
+static int charge_done_flag = 0;
+static int charge_err_flag = 0;
+static int charge_timeout_flag = 0;
+
+extern struct sprdbat_auxadc_cal adc_cal;
+
+#ifdef CONFIG_SPRD_EXT_IC_POWER
+
+extern uint32_t sprdchg_read_vbat_vol(void);
+extern int sprdfgu_read_batcurrent(void);
+
+int sprdbat_interpolate(int x, int n, struct sprdbat_table_data *tab)
+{
+	int index;
+	int y;
+
+	if (x >= tab[0].x)
+		y = tab[0].y;
+	else if (x <= tab[n - 1].x)
+		y = tab[n - 1].y;
+	else {
+		/*  find interval */
+		for (index = 1; index < n; index++)
+			if (x > tab[index].x)
+				break;
+		/*  interpolate */
+		y = (tab[index - 1].y - tab[index].y) * (x - tab[index].x)
+		    * 2 / (tab[index - 1].x - tab[index].x);
+		y = (y + 1) / 2;
+		y += tab[index].y;
+	}
+	return y;
+}
+
+uint16_t capacity_table_adc[][2] = {
+	{4180, 100}
+	,
+	{4100, 95}
+	,
+	{3980, 80}
+	,
+	{3900, 70}
+	,
+	{3840, 60}
+	,
+	{3800, 50}
+	,
+	{3760, 40}
+	,
+	{3730, 30}
+	,
+	{3700, 20}
+	,
+	{3650, 15}
+	,
+	{3600, 5}
+	,
+	{3400, 0}
+	,
+};
+
+static int battery_internal_impedance_fan = 270;
+
+uint32_t sprdadc_read_vbat_vol(void)
+{
+	int vchg_value;
+	vchg_value = sprdchg_read_vbat_vol();	//chanel ????
+	return vchg_value;
+}
+
+uint32_t sprdadc_read_vbat_ocv(void)
+{
+	return sprdadc_read_vbat_vol() -
+	    (sprdfgu_read_batcurrent() * battery_internal_impedance_fan) / 1000;
+}
+
+static int otg_enable_power_on = 0;
+
+int sprd_otg_enable_power_on(void)
+{
+	return otg_enable_power_on;
+}
+
+static uint32_t sprdadc_vol2capacity(uint32_t voltage)
+{
+	uint16_t percentum;
+	int32_t temp;
+	uint16_t table_size;
+	int pos = 0;
+
+	printk("sprdadc_vol2capacity voltage: %d\n", voltage);
+
+	table_size = ARRAY_SIZE(capacity_table_adc);
+	for (pos = 0; pos < table_size - 1; pos++) {
+		if (voltage > capacity_table_adc[pos][0])
+			break;
+	}
+	if (pos == 0) {
+		percentum = 100;
+	} else {
+		temp =
+		    capacity_table_adc[pos][1] - capacity_table_adc[pos - 1][1];
+		temp = temp * (voltage - capacity_table_adc[pos][0]);
+		temp =
+		    temp / (capacity_table_adc[pos][0] -
+			    capacity_table_adc[pos - 1][0]);
+		temp = temp + capacity_table_adc[pos][1];
+		if (temp < 0)
+			temp = 0;
+		percentum = temp;
+	}
+
+	return percentum;
+}
+
+uint32_t sprdadc_read_capacity(void)
+{
+	int32_t voltage;
+	int cap = 0;
+#if 0
+	voltage = sprdadc_read_vbat_ocv();
+#else
+	voltage = sprdadc_read_vbat_vol();
+#endif
+	return sprdadc_vol2capacity(voltage);
+}
+
+#endif
+
+static enum power_supply_property sprdbat_battery_props[] = {
+	POWER_SUPPLY_PROP_STATUS,
+	POWER_SUPPLY_PROP_HEALTH,
+	POWER_SUPPLY_PROP_PRESENT,
+	POWER_SUPPLY_PROP_TECHNOLOGY,
+	POWER_SUPPLY_PROP_CAPACITY,
+	POWER_SUPPLY_PROP_VOLTAGE_NOW,
+	POWER_SUPPLY_PROP_TEMP,
+
+};
+
+static enum power_supply_property sprdbat_ac_props[] = {
+	POWER_SUPPLY_PROP_ONLINE,
+};
+
+static enum power_supply_property sprdbat_usb_props[] = {
+	POWER_SUPPLY_PROP_ONLINE,
+};
+
+static ssize_t sprdbat_show_caliberate(struct device *dev,
+				       struct device_attribute *attr,
+				       char *buf);
+
+static ssize_t sprdbat_store_caliberate(struct device *dev,
+					struct device_attribute *attr,
+					const char *buf, size_t count);
+
+static int sprdbat_stop_charge(void);
+static int sprdbat_start_charge(void);
+
+#define SPRDBAT_CALIBERATE_ATTR(_name)                         \
+{                                       \
+	.attr = { .name = #_name, .mode = S_IRUGO | S_IWUSR | S_IWGRP, },  \
+	.show = sprdbat_show_caliberate,                  \
+	.store = sprdbat_store_caliberate,                              \
+}
+
+#define SPRDBAT_CALIBERATE_ATTR_RO(_name)                         \
+{                                       \
+	.attr = { .name = #_name, .mode = S_IRUGO, },  \
+	.show = sprdbat_show_caliberate,                  \
+}
+
+#define SPRDBAT_CALIBERATE_ATTR_WO(_name)                         \
+{                                       \
+	.attr = { .name = #_name, .mode = S_IWUSR | S_IWGRP, },  \
+	.store = sprdbat_store_caliberate,                              \
+}
+
+static struct device_attribute sprd_caliberate[] = {
+	SPRDBAT_CALIBERATE_ATTR_RO(real_time_voltage),
+	SPRDBAT_CALIBERATE_ATTR_WO(stop_charge),
+	SPRDBAT_CALIBERATE_ATTR_RO(real_time_current),
+	SPRDBAT_CALIBERATE_ATTR_WO(battery_0),
+	SPRDBAT_CALIBERATE_ATTR_WO(battery_1),
+	SPRDBAT_CALIBERATE_ATTR(hw_switch_point),
+	SPRDBAT_CALIBERATE_ATTR_RO(charger_voltage),
+	SPRDBAT_CALIBERATE_ATTR_RO(real_time_vbat_adc),
+	SPRDBAT_CALIBERATE_ATTR_WO(save_capacity),
+	SPRDBAT_CALIBERATE_ATTR_RO(temp_adc),
+};
+
+enum sprdbat_attribute {
+	BATTERY_VOLTAGE = 0,
+	STOP_CHARGE,
+	BATTERY_NOW_CURRENT,
+	BATTERY_0,
+	BATTERY_1,
+	HW_SWITCH_POINT,
+	CHARGER_VOLTAGE,
+	BATTERY_ADC,
+	SAVE_CAPACITY,
+	TEMP_ADC
+};
+static ssize_t sprdbat_show_caliberate(struct device *dev,
+				       struct device_attribute *attr, char *buf)
+{
+	int i = 0;
+	const ptrdiff_t off = attr - sprd_caliberate;
+	int adc_value;
+	int voltage;
+	uint32_t now_current;
+
+	switch (off) {
+	case BATTERY_VOLTAGE:
+		voltage = sprdchg_read_vbat_vol();
+		i += scnprintf(buf + i, PAGE_SIZE - i, "%d\n", voltage);
+		break;
+	case BATTERY_NOW_CURRENT:
+		if (sprdbat_data->bat_info.module_state ==
+		    POWER_SUPPLY_STATUS_CHARGING) {
+			now_current = sprdchg_read_chg_current();
+			i += scnprintf(buf + i, PAGE_SIZE - i, "%d\n",
+				       now_current);
+		} else {
+			i += scnprintf(buf + i, PAGE_SIZE - i, "%s\n",
+				       "discharging");
+		}
+		break;
+	case HW_SWITCH_POINT:
+		i += scnprintf(buf + i, PAGE_SIZE - i, "%d\n",
+			       sprdbat_data->bat_info.cccv_point);
+		break;
+	case CHARGER_VOLTAGE:
+		if (sprdbat_data->bat_info.module_state ==
+		    POWER_SUPPLY_STATUS_CHARGING) {
+			voltage = sprdchg_read_vchg_vol();
+			i += scnprintf(buf + i, PAGE_SIZE - i, "%d\n", voltage);
+		} else {
+			i += scnprintf(buf + i, PAGE_SIZE - i, "%s\n",
+				       "discharging");
+		}
+
+		break;
+	case BATTERY_ADC:
+		adc_value = sci_adc_get_value(ADC_CHANNEL_VBAT, false);
+		if (adc_value < 0)
+			adc_value = 0;
+		i += scnprintf(buf + i, PAGE_SIZE - i, "%d\n", adc_value);
+		break;
+	case TEMP_ADC:
+		adc_value = sprdbat_read_temp_adc();
+		if (adc_value < 0)
+			adc_value = 0;
+		i += scnprintf(buf + i, PAGE_SIZE - i, "%d\n", adc_value);
+		break;
+	default:
+		i = -EINVAL;
+		break;
+	}
+
+	return i;
+}
+
+static ssize_t sprdbat_store_caliberate(struct device *dev,
+					struct device_attribute *attr,
+					const char *buf, size_t count)
+{
+	unsigned long set_value;
+	const ptrdiff_t off = attr - sprd_caliberate;
+
+	set_value = simple_strtoul(buf, NULL, 10);
+	printk("battery calibrate value %d %lu\n", off, set_value);
+
+	mutex_lock(&sprdbat_data->lock);
+	switch (off) {
+	case STOP_CHARGE:
+		sprdbat_stop_charge();
+		break;
+	case BATTERY_0:
+		adc_cal.p0_vol = set_value & 0xffff;	//only for debug
+		adc_cal.p0_adc = (set_value >> 16) & 0xffff;
+		break;
+	case BATTERY_1:
+		adc_cal.p1_vol = set_value & 0xffff;
+		adc_cal.p1_adc = (set_value >> 16) & 0xffff;
+		adc_cal.cal_type = SPRDBAT_AUXADC_CAL_NV;
+		break;
+	case HW_SWITCH_POINT:
+
+		break;
+	case SAVE_CAPACITY:
+		{
+			int temp = set_value - poweron_capacity;
+
+			printk("battery temp:%d\n", temp);
+			if (abs(temp) > SPRDBAT_VALID_CAP || 0 == set_value) {
+				printk("battery poweron capacity:%lu,%d\n",
+				       set_value, poweron_capacity);
+				sprdbat_data->bat_info.capacity =
+				    poweron_capacity;
+			} else {
+				printk("battery old capacity:%lu,%d\n",
+				       set_value, poweron_capacity);
+				sprdbat_data->bat_info.capacity = set_value;
+			}
+			power_supply_changed(&sprdbat_data->battery);
+		}
+		break;
+	default:
+		count = -EINVAL;
+		break;
+	}
+	mutex_unlock(&sprdbat_data->lock);
+	return count;
+}
+
+static int sprdbat_remove_caliberate_attr(struct device *dev)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(sprd_caliberate); i++) {
+		device_remove_file(dev, &sprd_caliberate[i]);
+	}
+	return 0;
+}
+
+static char *supply_list[] = {
+	"battery",
+};
+
+static char *battery_supply_list[] = {
+	"audio-ldo",
+	"sprdfgu",
+};
+
+static void sprdbat_chg_print_log(void)
+{
+	struct timespec cur_time;
+
+	printk("sprd_ext_ic-----sprdbat_chg_print_log\n");
+
+	get_monotonic_boottime(&cur_time);
+
+	printk("sprd_ext_ic-----cur_time:%ld\n", cur_time.tv_sec);
+	printk("sprd_ext_ic-----adp_type:%d\n",
+	       sprdbat_data->bat_info.adp_type);
+	printk("sprd_ext_ic-----bat_health:%d\n",
+	       sprdbat_data->bat_info.bat_health);
+	printk("sprd_ext_ic-----module_state:%d\n",
+	       sprdbat_data->bat_info.module_state);
+
+	printk("sprd_ext_ic-----chg_start_time:%ld\n",
+	       sprdbat_data->bat_info.chg_start_time);
+	printk("sprd_ext_ic-----capacity:%d\n",
+	       sprdbat_data->bat_info.capacity);
+	printk("sprd_ext_ic-----vbat_vol:%d\n",
+	       sprdbat_data->bat_info.vbat_vol);
+	printk("sprd_ext_ic-----vbat_ocv:%d\n",
+	       sprdbat_data->bat_info.vbat_ocv);
+	printk("sprd_ext_ic-----cur_temp:%d\n",
+	       sprdbat_data->bat_info.cur_temp);
+	printk("sprd_ext_ic-----bat_current:%d\n",
+	       sprdbat_data->bat_info.bat_current);
+	printk("sprd_ext_ic-----chging_current:%d\n",
+	       sprdbat_data->bat_info.chging_current);
+	printk("sprd_ext_ic-----chg_current_type:%d\n",
+	       sprdbat_data->bat_info.chg_current_type);
+	printk("sprd_ext_ic-----aux vbat vol:%d\n", sprdchg_read_vbat_vol());
+	printk("sprd_ext_ic-----vchg_vol:%d\n", sprdchg_read_vchg_vol());
+	printk("sprd_ext_ic-----sprdbat_chg_print_log end\n");
+
+}
+
+void sprd_extic_otg_power(int enable)
+{
+	if (sprd_ext_ic_op == NULL) {
+		printk("power on with OTG plug in\n");
+		otg_enable_power_on = 1;
+	} else {
+		otg_enable_power_on = 0;
+		sprd_ext_ic_op->otg_charge_ext(enable);
+	}
+}
+
+static int plugin_callback(int usb_cable, void *data)
+{
+	printk("charger plug in interrupt happen\n");
+
+	mutex_lock(&sprdbat_data->lock);
+	wake_lock_timeout(&(sprdbat_data->charger_plug_out_lock),
+			  SPRDBAT_PLUG_WAKELOCK_TIME_SEC * HZ);
+
+	sprdbat_data->bat_info.module_state = POWER_SUPPLY_STATUS_CHARGING;
+
+	sprdbat_data->bat_info.adp_type = sprdchg_charger_is_adapter();
+	if (sprdbat_data->bat_info.adp_type == ADP_TYPE_DCP)
+		sprdbat_data->bat_info.ac_online = 1;
+	else
+		sprdbat_data->bat_info.usb_online = 1;
+
+	sprdbat_adp_plug_nodify(1);
+
+	sprdbat_start_charge();
+//      sprdchg_timer_enable(sprdbat_data->pdata->chg_polling_time);
+	sprdchg_timer_enable(10);	//sprdbat_data->pdata->chg_polling_time
+	mutex_unlock(&sprdbat_data->lock);
+
+	printk("plugin_callback:sprdbat_data->bat_info.adp_type:%d\n",
+	       sprdbat_data->bat_info.adp_type);
+
+	if (sprdbat_data->bat_info.adp_type == ADP_TYPE_DCP)
+		power_supply_changed(&sprdbat_data->ac);
+	else
+		power_supply_changed(&sprdbat_data->usb);
+
+	printk("plugin_callback: end...\n");
+	return 0;
+}
+
+static int plugout_callback(int usb_cable, void *data)
+{
+	uint32_t adp_type = sprdbat_data->bat_info.adp_type;
+
+	printk("charger plug out interrupt happen\n");
+
+	mutex_lock(&sprdbat_data->lock);
+
+	sprdchg_timer_disable();
+
+	wake_lock_timeout(&(sprdbat_data->charger_plug_out_lock),
+			  SPRDBAT_PLUG_WAKELOCK_TIME_SEC * HZ);
+	sprdbat_adp_plug_nodify(0);
+	sprdbat_data->bat_info.adp_type = ADP_TYPE_UNKNOW;
+	sprdbat_data->bat_info.ac_online = 0;
+	sprdbat_data->bat_info.usb_online = 0;
+
+	sprdbat_data->bat_info.module_state = POWER_SUPPLY_STATUS_DISCHARGING;
+
+	sprdbat_stop_charge();
+	mutex_unlock(&sprdbat_data->lock);
+
+	if (adp_type == ADP_TYPE_DCP)
+		power_supply_changed(&sprdbat_data->ac);
+	else
+		power_supply_changed(&sprdbat_data->usb);
+
+	printk("charger plug out END....\n");
+	return 0;
+}
+
+static struct usb_hotplug_callback power_cb = {
+	.plugin = plugin_callback,
+	.plugout = plugout_callback,
+	.data = NULL,
+};
+
+//
+static void print_pdata(struct sprd_battery_platform_data *pdata)
+{
+#define PDATA_LOG(format, arg...) printk("sprdbat pdata: " format, ## arg)
+	int i;
+
+	PDATA_LOG("chg_end_vol_h:%d\n", pdata->chg_end_vol_h);
+	PDATA_LOG("chg_end_vol_l:%d\n", pdata->chg_end_vol_l);
+	PDATA_LOG("chg_end_vol_pure:%d\n", pdata->chg_end_vol_pure);
+	PDATA_LOG("chg_bat_safety_vol:%d\n", pdata->chg_bat_safety_vol);
+	PDATA_LOG("rechg_vol:%d\n", pdata->rechg_vol);
+	PDATA_LOG("adp_cdp_cur:%d\n", pdata->adp_cdp_cur);
+	PDATA_LOG("adp_dcp_cur:%d\n", pdata->adp_dcp_cur);
+	PDATA_LOG("adp_sdp_cur:%d\n", pdata->adp_sdp_cur);
+	PDATA_LOG("ovp_stop:%d\n", pdata->ovp_stop);
+	PDATA_LOG("ovp_restart:%d\n", pdata->ovp_restart);
+	PDATA_LOG("chg_timeout:%d\n", pdata->chg_timeout);
+	PDATA_LOG("chgtimeout_show_full:%d\n", pdata->chgtimeout_show_full);
+	PDATA_LOG("chg_rechg_timeout:%d\n", pdata->chg_rechg_timeout);
+	PDATA_LOG("chg_cv_timeout:%d\n", pdata->chg_cv_timeout);
+	PDATA_LOG("chg_eoc_level:%d\n", pdata->chg_eoc_level);
+	PDATA_LOG("cccv_default:%d\n", pdata->cccv_default);
+	PDATA_LOG("chg_end_cur:%d\n", pdata->chg_end_cur);
+	PDATA_LOG("otp_high_stop:%d\n", pdata->otp_high_stop);
+	PDATA_LOG("otp_high_restart:%d\n", pdata->otp_high_restart);
+	PDATA_LOG("otp_low_stop:%d\n", pdata->otp_low_stop);
+	PDATA_LOG("otp_low_restart:%d\n", pdata->otp_low_restart);
+	PDATA_LOG("chg_polling_time:%d\n", pdata->chg_polling_time);
+	PDATA_LOG("chg_polling_time_fast:%d\n", pdata->chg_polling_time_fast);
+	PDATA_LOG("bat_polling_time:%d\n", pdata->bat_polling_time);
+	PDATA_LOG("bat_polling_time_fast:%d\n", pdata->bat_polling_time_fast);
+	PDATA_LOG("bat_polling_time_sleep:%d\n", pdata->bat_polling_time_sleep);
+	PDATA_LOG("cap_one_per_time:%d\n", pdata->cap_one_per_time);
+	PDATA_LOG("cap_one_per_time_fast:%d\n", pdata->cap_one_per_time_fast);
+	PDATA_LOG("cap_valid_range_poweron:%d\n",
+		  pdata->cap_valid_range_poweron);
+	PDATA_LOG("temp_support:%d\n", pdata->temp_support);
+	PDATA_LOG("temp_adc_ch:%d\n", pdata->temp_adc_ch);
+	PDATA_LOG("temp_adc_scale:%d\n", pdata->temp_adc_scale);
+	PDATA_LOG("temp_adc_sample_cnt:%d\n", pdata->temp_adc_sample_cnt);
+	PDATA_LOG("temp_table_mode:%d\n", pdata->temp_table_mode);
+	PDATA_LOG("temp_tab_size:%d\n", pdata->temp_tab_size);
+	PDATA_LOG("gpio_vchg_detect:%d\n", pdata->gpio_vchg_detect);
+//      PDATA_LOG("gpio_cv_state:%d\n", pdata->gpio_cv_state);
+	PDATA_LOG("gpio_vchg_ovi:%d\n", pdata->gpio_vchg_ovi);
+	PDATA_LOG("irq_chg_timer:%d\n", pdata->irq_chg_timer);
+	PDATA_LOG("irq_fgu:%d\n", pdata->irq_fgu);
+	PDATA_LOG("chg_reg_base:%d\n", pdata->chg_reg_base);
+	PDATA_LOG("fgu_reg_base:%d\n", pdata->fgu_reg_base);
+	PDATA_LOG("fgu_mode:%d\n", pdata->fgu_mode);
+	PDATA_LOG("alm_soc:%d\n", pdata->alm_soc);
+	PDATA_LOG("alm_vol:%d\n", pdata->alm_vol);
+	PDATA_LOG("soft_vbat_uvlo:%d\n", pdata->soft_vbat_uvlo);
+	PDATA_LOG("soft_vbat_ovp:%d\n", pdata->soft_vbat_ovp);
+	PDATA_LOG("rint:%d\n", pdata->rint);
+	PDATA_LOG("cnom:%d\n", pdata->cnom);
+	PDATA_LOG("rsense_real:%d\n", pdata->rsense_real);
+	PDATA_LOG("rsense_spec:%d\n", pdata->rsense_spec);
+	PDATA_LOG("relax_current:%d\n", pdata->relax_current);
+	PDATA_LOG("fgu_cal_ajust:%d\n", pdata->fgu_cal_ajust);
+	PDATA_LOG("qmax_update_period:%d\n", pdata->qmax_update_period);
+	PDATA_LOG("ocv_tab_size:%d\n", pdata->ocv_tab_size);
+	for (i = 0; i < pdata->ocv_tab_size; i++) {
+		PDATA_LOG("ocv_tab i=%d x:%d,y:%d\n", i, pdata->ocv_tab[i].x,
+			  pdata->ocv_tab[i].y);
+	}
+	for (i = 0; i < pdata->temp_tab_size; i++) {
+		PDATA_LOG("temp_tab_size i=%d x:%d,y:%d\n", i,
+			  pdata->temp_tab[i].x, pdata->temp_tab[i].y);
+	}
+
+}
+
+#ifdef CONFIG_OF
+static struct sprd_battery_platform_data *sprdbat_parse_dt(struct
+							   platform_device
+							   *pdev)
+{
+	struct sprd_battery_platform_data *pdata = NULL;
+	struct device_node *np = pdev->dev.of_node;
+	struct device_node *temp_np = NULL;
+	unsigned int irq_num;
+	int ret, i, temp;
+
+	pdata = devm_kzalloc(&pdev->dev,
+			     sizeof(struct sprd_battery_platform_data),
+			     GFP_KERNEL);
+	if (!pdata) {
+		return NULL;
+	}
+//      pdata->gpio_cv_state = (uint32_t) of_get_named_gpio(np, "gpios", 1);
+	pdata->gpio_vchg_ovi = (uint32_t) of_get_named_gpio(np, "gpios", 2);
+	temp_np = of_get_child_by_name(np, "sprd_chg");
+	if (!temp_np) {
+		goto err_parse_dt;
+	}
+	irq_num = irq_of_parse_and_map(temp_np, 0);
+	pdata->irq_chg_timer = irq_num;
+	printk("sprd_chg dts irq_num =%s, %d\n", temp_np->name, irq_num);
+
+	temp_np = of_get_child_by_name(np, "sprd_fgu");
+	if (!temp_np) {
+		goto err_parse_dt;
+	}
+	irq_num = irq_of_parse_and_map(temp_np, 0);
+	pdata->irq_fgu = irq_num;
+	printk("sprd_fgu dts irq_num = %d\n", irq_num);
+
+	ret = of_property_read_u32(np, "chg-end-vol-h", &pdata->chg_end_vol_h);
+	ret = of_property_read_u32(np, "chg-end-vol-l", &pdata->chg_end_vol_l);
+	ret =
+	    of_property_read_u32(np, "chg-end-vol-pure",
+				 &pdata->chg_end_vol_pure);
+	ret =
+	    of_property_read_u32(np, "chg-bat-safety-vol",
+				 &pdata->chg_bat_safety_vol);
+	ret = of_property_read_u32(np, "rechg-vol", &pdata->rechg_vol);
+	ret = of_property_read_u32(np, "adp-cdp-cur", &pdata->adp_cdp_cur);
+	ret = of_property_read_u32(np, "adp-dcp-cur", &pdata->adp_dcp_cur);
+	ret = of_property_read_u32(np, "adp-sdp-cur", &pdata->adp_sdp_cur);
+	ret = of_property_read_u32(np, "ovp-stop", &pdata->ovp_stop);
+	ret = of_property_read_u32(np, "ovp-restart", &pdata->ovp_restart);
+	ret = of_property_read_u32(np, "chg-timeout", &pdata->chg_timeout);
+	ret =
+	    of_property_read_u32(np, "chgtimeout-show-full",
+				 &pdata->chgtimeout_show_full);
+	ret =
+	    of_property_read_u32(np, "chg-rechg-timeout",
+				 &pdata->chg_rechg_timeout);
+	ret =
+	    of_property_read_u32(np, "chg-cv-timeout", &pdata->chg_cv_timeout);
+	ret = of_property_read_u32(np, "chg-eoc-level", &pdata->chg_eoc_level);
+	ret = of_property_read_u32(np, "cccv-default", &pdata->cccv_default);
+	ret =
+	    of_property_read_u32(np, "chg-end-cur",
+				 (u32 *) (&pdata->chg_end_cur));
+	ret = of_property_read_u32(np, "otp-high-stop", (u32 *) (&temp));
+	pdata->otp_high_stop = temp - 1000;
+	ret = of_property_read_u32(np, "otp-high-restart", (u32 *) (&temp));
+	pdata->otp_high_restart = temp - 1000;
+	ret = of_property_read_u32(np, "otp-low-stop", (u32 *) (&temp));
+	pdata->otp_low_stop = temp - 1000;
+	ret = of_property_read_u32(np, "otp-low-restart", (u32 *) (&temp));
+	pdata->otp_low_restart = temp - 1000;
+	ret =
+	    of_property_read_u32(np, "chg-polling-time",
+				 &pdata->chg_polling_time);
+	ret =
+	    of_property_read_u32(np, "chg-polling-time-fast",
+				 &pdata->chg_polling_time_fast);
+	ret =
+	    of_property_read_u32(np, "bat-polling-time",
+				 &pdata->bat_polling_time);
+	ret =
+	    of_property_read_u32(np, "bat-polling-time-fast",
+				 &pdata->bat_polling_time_fast);
+	ret =
+	    of_property_read_u32(np, "cap-one-per-time",
+				 &pdata->cap_one_per_time);
+	ret =
+	    of_property_read_u32(np, "cap-valid-range-poweron",
+				 (u32 *) (&pdata->cap_valid_range_poweron));
+	ret =
+	    of_property_read_u32(np, "temp-support",
+				 (u32 *) (&pdata->temp_support));
+	ret =
+	    of_property_read_u32(np, "temp-adc-ch",
+				 (u32 *) (&pdata->temp_adc_ch));
+	ret =
+	    of_property_read_u32(np, "temp-adc-scale",
+				 (u32 *) (&pdata->temp_adc_scale));
+	ret =
+	    of_property_read_u32(np, "temp-adc-sample-cnt",
+				 (u32 *) (&pdata->temp_adc_sample_cnt));
+	ret =
+	    of_property_read_u32(np, "temp-table-mode",
+				 (u32 *) (&pdata->temp_table_mode));
+	ret = of_property_read_u32(np, "fgu-mode", &pdata->fgu_mode);
+	ret = of_property_read_u32(np, "alm-soc", &pdata->alm_soc);
+	ret = of_property_read_u32(np, "alm-vol", &pdata->alm_vol);
+	ret =
+	    of_property_read_u32(np, "soft-vbat-uvlo", &pdata->soft_vbat_uvlo);
+	ret = of_property_read_u32(np, "rint", (u32 *) (&pdata->rint));
+	ret = of_property_read_u32(np, "cnom", (u32 *) (&pdata->cnom));
+	ret =
+	    of_property_read_u32(np, "rsense-real",
+				 (u32 *) (&pdata->rsense_real));
+	ret =
+	    of_property_read_u32(np, "rsense-spec",
+				 (u32 *) (&pdata->rsense_spec));
+	ret = of_property_read_u32(np, "relax-current", &pdata->relax_current);
+	ret =
+	    of_property_read_u32(np, "fgu-cal-ajust",
+				 (u32 *) (&pdata->fgu_cal_ajust));
+	ret =
+	    of_property_read_u32(np, "ocv-tab-size",
+				 (u32 *) (&pdata->ocv_tab_size));
+	ret =
+	    of_property_read_u32(np, "temp-tab-size",
+				 (u32 *) (&pdata->temp_tab_size));
+
+	pdata->temp_tab = kzalloc(sizeof(struct sprdbat_table_data) *
+				  pdata->temp_tab_size, GFP_KERNEL);
+
+	for (i = 0; i < pdata->temp_tab_size; i++) {
+		ret = of_property_read_u32_index(np, "temp-tab-val", i,
+						 &pdata->temp_tab[i].x);
+		ret = of_property_read_u32_index(np, "temp-tab-temp", i, &temp);
+		pdata->temp_tab[i].y = temp - 1000;
+	}
+
+	pdata->ocv_tab = kzalloc(sizeof(struct sprdbat_table_data) *
+				 pdata->ocv_tab_size, GFP_KERNEL);
+	for (i = 0; i < pdata->ocv_tab_size; i++) {
+		ret = of_property_read_u32_index(np, "ocv-tab-vol", i,
+						 (u32 *) (&pdata->
+							  ocv_tab[i].x));
+		ret =
+		    of_property_read_u32_index(np, "ocv-tab-cap", i,
+					       (u32 *) (&pdata->ocv_tab[i].y));
+	}
+
+	return pdata;
+
+err_parse_dt:
+	dev_err(&pdev->dev, "Parsing device tree data error.\n");
+	return NULL;
+}
+#else
+static struct sprd_battery_platform_data *sprdbat_parse_dt(struct
+							   platform_device
+							   *pdev)
+{
+	return NULL;
+}
+#endif
+
+/*
+static void sprdbat_param_init(struct sprdbat_drivier_data *data)
+{
+	data->bat_param.chg_end_vol_pure = SPRDBAT_CHG_END_VOL_PURE;
+	data->bat_param.chg_end_vol_h = SPRDBAT_CHG_END_H;
+	data->bat_param.chg_end_vol_l = SPRDBAT_CHG_END_L;
+	data->bat_param.rechg_vol = SPRDBAT_RECHG_VOL;
+	data->bat_param.chg_end_cur = SPRDBAT_CHG_END_CUR;
+	data->bat_param.adp_cdp_cur = SPRDBAT_CDP_CUR_LEVEL;
+	data->bat_param.adp_dcp_cur = SPRDBAT_DCP_CUR_LEVEL;
+	data->bat_param.adp_sdp_cur = SPRDBAT_SDP_CUR_LEVEL;
+	data->bat_param.ovp_stop = SPRDBAT_OVP_STOP_VOL;
+	data->bat_param.ovp_restart = SPRDBAT_OVP_RESTERT_VOL;
+	data->bat_param.otp_high_stop = SPRDBAT_OTP_HIGH_STOP;
+	data->bat_param.otp_high_restart = SPRDBAT_OTP_HIGH_RESTART;
+	data->bat_param.otp_low_stop = SPRDBAT_OTP_LOW_STOP;
+	data->bat_param.otp_low_restart = SPRDBAT_OTP_LOW_RESTART;
+	data->bat_param.chg_timeout = SPRDBAT_CHG_NORMAL_TIMEOUT;
+	data->bat_param.vbat_uvlo = SPRDBAT_BAT_SOFT_UVLO;
+	return;
+}
+*/
+
+static void sprdbat_info_init(struct sprdbat_drivier_data *data)
+{
+	struct timespec cur_time;
+	data->bat_info.adp_type = ADP_TYPE_UNKNOW;
+	data->bat_info.bat_health = POWER_SUPPLY_HEALTH_GOOD;
+	data->bat_info.module_state = POWER_SUPPLY_STATUS_DISCHARGING;
+	data->bat_info.chg_stop_flags = SPRDBAT_CHG_END_NONE_BIT;
+	data->bat_info.chg_start_time = 0;
+	get_monotonic_boottime(&cur_time);
+	sprdbat_update_capacity_time = cur_time.tv_sec;
+	data->bat_info.capacity = sprdfgu_poweron_capacity();	//~0;
+	poweron_capacity = sprdfgu_poweron_capacity();
+	data->bat_info.soc = sprdfgu_read_soc();
+	data->bat_info.vbat_vol = sprdbat_read_vbat_vol();
+	data->bat_info.vbat_ocv = sprdfgu_read_vbat_ocv();
+	data->bat_info.cur_temp = sprdbat_read_temp();
+	data->bat_info.bat_current = sprdfgu_read_batcurrent();
+	data->bat_info.chging_current = 0;
+	data->bat_info.chg_current_type = sprdbat_data->pdata->adp_sdp_cur;
+	return;
+}
+
+static int sprdbat_battery_get_property(struct power_supply *psy,
+					enum power_supply_property psp,
+					union power_supply_propval *val)
+{
+	struct sprdbat_drivier_data *data = container_of(psy,
+							 struct
+							 sprdbat_drivier_data,
+							 battery);
+
+	int ret = 0;
+
+	switch (psp) {
+	case POWER_SUPPLY_PROP_STATUS:
+		val->intval = data->bat_info.module_state;
+		break;
+
+	case POWER_SUPPLY_PROP_HEALTH:
+		val->intval = data->bat_info.bat_health;
+		break;
+
+	case POWER_SUPPLY_PROP_PRESENT:
+		val->intval = 1;
+		break;
+
+	case POWER_SUPPLY_PROP_TECHNOLOGY:
+		val->intval = POWER_SUPPLY_TECHNOLOGY_LION;
+		break;
+
+	case POWER_SUPPLY_PROP_CAPACITY:
+		val->intval = data->bat_info.capacity;
+		break;
+
+	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+		val->intval = data->bat_info.vbat_vol * 1000;
+		break;
+
+	case POWER_SUPPLY_PROP_TEMP:
+		val->intval = data->bat_info.cur_temp;
+		break;
+
+	default:
+		ret = -EINVAL;
+		break;
+	}
+	return ret;
+}
+
+static int sprdbat_ac_get_property(struct power_supply *psy,
+				   enum power_supply_property psp,
+				   union power_supply_propval *val)
+{
+	int ret = 0;
+	struct sprdbat_drivier_data *data = container_of(psy,
+							 struct
+							 sprdbat_drivier_data,
+							 ac);
+
+	switch (psp) {
+	case POWER_SUPPLY_PROP_ONLINE:
+		val->intval = data->bat_info.ac_online ? 1 : 0;
+		break;
+
+	default:
+		ret = -EINVAL;
+		break;
+	}
+	return ret;
+}
+
+static int sprdbat_usb_get_property(struct power_supply *psy,
+				    enum power_supply_property psp,
+				    union power_supply_propval *val)
+{
+	int ret = 0;
+	struct sprdbat_drivier_data *data = container_of(psy,
+							 struct
+							 sprdbat_drivier_data,
+							 usb);
+
+	switch (psp) {
+	case POWER_SUPPLY_PROP_ONLINE:
+		val->intval = data->bat_info.usb_online ? 1 : 0;
+		break;
+
+	default:
+		ret = -EINVAL;
+		break;
+	}
+	return ret;
+}
+
+static int sprdbat_start_charge(void)
+{
+	struct timespec cur_time;
+	printk("fan54015 ext ic start charge\n");
+	sprd_ext_ic_op->ic_init();
+	if (sprdbat_data->bat_info.adp_type == ADP_TYPE_DCP) {
+		sprd_ext_ic_op->charge_start_ext(1);	//AC charger
+	} else {
+		sprd_ext_ic_op->charge_start_ext(0);	//usb charger
+	}
+
+	get_monotonic_boottime(&cur_time);
+	sprdbat_data->bat_info.chg_start_time = cur_time.tv_sec;
+
+	printk
+	    ("sprdbat_start_charge bat_health:%d,chg_start_time:%ld,chg_current_type:%d\n",
+	     sprdbat_data->bat_info.bat_health,
+	     sprdbat_data->bat_info.chg_start_time,
+	     sprdbat_data->bat_info.chg_current_type);
+
+	sprdbat_start_chg = 1;
+
+	power_supply_changed(&sprdbat_data->battery);
+
+	return 0;
+}
+
+static int sprdbat_stop_charge(void)
+{
+	sprd_ext_ic_op->charge_stop_ext();
+	sprdbat_data->bat_info.chg_start_time = 0;
+	printk("sprdbat_stop_charge\n");
+
+	power_supply_changed(&sprdbat_data->battery);
+
+	return 0;
+}
+
+static int sprdbat_creat_caliberate_attr(struct device *dev)
+{
+	int i, rc;
+
+	for (i = 0; i < ARRAY_SIZE(sprd_caliberate); i++) {
+		rc = device_create_file(dev, &sprd_caliberate[i]);
+		if (rc)
+			goto sprd_attrs_failed;
+	}
+	goto sprd_attrs_succeed;
+
+sprd_attrs_failed:
+	while (i--)
+		device_remove_file(dev, &sprd_caliberate[i]);
+
+sprd_attrs_succeed:
+	return rc;
+}
+
+static void sprdbat_update_capacty(void)
+{
+#if 0
+	uint32_t fgu_capacity = sprdadc_read_capacity();
+#else
+	uint32_t fgu_capacity = sprdfgu_read_capacity();
+#endif
+	uint32_t flush_time = 0;
+	struct timespec cur_time;
+	if (sprdbat_data->bat_info.capacity == ~0) {
+		return;
+	}
+	get_monotonic_boottime(&cur_time);
+
+	flush_time = cur_time.tv_sec - sprdbat_update_capacity_time;
+	printk("fgu_capacity = %d,flush_time = %d\n", fgu_capacity, flush_time);
+	switch (sprdbat_data->bat_info.module_state) {
+	case POWER_SUPPLY_STATUS_CHARGING:
+	case POWER_SUPPLY_STATUS_NOT_CHARGING:
+		if (fgu_capacity < sprdbat_data->bat_info.capacity) {
+			fgu_capacity = sprdbat_data->bat_info.capacity;
+		} else {
+			if ((fgu_capacity - sprdbat_data->bat_info.capacity) >=
+			    flush_time / SPRDBAT_ONE_PERCENT_TIME) {
+				fgu_capacity =
+				    sprdbat_data->bat_info.capacity +
+				    flush_time / SPRDBAT_ONE_PERCENT_TIME;
+			}
+		}
+		if (100 == sprdbat_data->bat_info.capacity) {
+			sprdbat_update_capacity_time = cur_time.tv_sec;
+			fgu_capacity = 100;
+		} else {
+			if (fgu_capacity >= 100) {
+				fgu_capacity = 99;
+			}
+		}
+		break;
+
+	case POWER_SUPPLY_STATUS_DISCHARGING:
+		if (fgu_capacity > sprdbat_data->bat_info.capacity) {
+			fgu_capacity = sprdbat_data->bat_info.capacity;
+		} else {
+			if ((sprdbat_data->bat_info.capacity - fgu_capacity) >=
+			    flush_time / SPRDBAT_ONE_PERCENT_TIME) {
+				fgu_capacity =
+				    sprdbat_data->bat_info.capacity -
+				    flush_time / SPRDBAT_ONE_PERCENT_TIME;
+			}
+		}
+		break;
+
+	case POWER_SUPPLY_STATUS_FULL:
+		if (fgu_capacity != 100) {
+			fgu_capacity = 100;
+		}
+		break;
+
+	default:
+		BUG_ON(1);
+		break;
+	}
+	if (sprdbat_data->bat_info.vbat_vol <
+	    sprdbat_data->pdata->soft_vbat_uvlo) {
+		fgu_capacity = 0;
+		printk("Power down by soft uvlow vbat_vol = %d\n",
+		       sprdbat_data->bat_info.vbat_vol);
+	}
+
+	if (fgu_capacity != sprdbat_data->bat_info.capacity) {
+		sprdbat_data->bat_info.capacity = fgu_capacity;
+		sprdbat_update_capacity_time = cur_time.tv_sec;
+		power_supply_changed(&sprdbat_data->battery);
+	}
+}
+
+static int sprdbat_is_chg_timeout(void)
+{
+	struct timespec cur_time;
+
+	get_monotonic_boottime(&cur_time);
+	if (cur_time.tv_sec - sprdbat_data->bat_info.chg_start_time >
+	    sprdbat_data->pdata->chg_timeout)
+		return 1;
+	else
+		return 0;
+}
+
+static void sprdbat_battery_works(struct work_struct *work)
+{
+	printk("sprdbat_battery_works\n");
+	mutex_lock(&sprdbat_data->lock);
+
+	//#ifdef SPRD_CHAEGE_EXT_FAN54015
+#if 0
+	sprdbat_data->bat_info.vbat_vol = sprdadc_read_vbat_vol();
+	sprdbat_data->bat_info.cur_temp = sprdbat_read_temp();
+	sprdbat_data->bat_info.bat_current = sprdfgu_read_batcurrent();
+	sprdbat_data->bat_info.vbat_ocv = sprdadc_read_vbat_ocv();
+	/*battery has no pin connect so use board ground insteat battery - so that VOL = OCV */
+#if 1
+	sprdbat_data->bat_info.vbat_ocv = sprdbat_data->bat_info.vbat_vol;
+	printk("pengwei test sprdbat_data->bat_info.vbat_vol is %d\n",
+	       sprdbat_data->bat_info.vbat_ocv);
+#endif
+#else
+	sprdbat_data->bat_info.vbat_vol = sprdbat_read_vbat_vol();
+	sprdbat_data->bat_info.cur_temp = sprdbat_read_temp();
+	sprdbat_data->bat_info.bat_current = sprdfgu_read_batcurrent();
+	sprdbat_data->bat_info.vbat_ocv = sprdfgu_read_vbat_ocv();
+#endif
+
+	sprdbat_update_capacty();
+	sprdbat_chg_print_log();
+
+	if (sprdbat_data->bat_info.module_state == POWER_SUPPLY_STATUS_CHARGING) {
+		schedule_delayed_work(&sprdbat_data->battery_work,
+				      sprdbat_data->pdata->
+				      bat_polling_time_fast * HZ);
+	} else {
+		schedule_delayed_work(&sprdbat_data->battery_work,
+				      sprdbat_data->pdata->bat_polling_time *
+				      HZ);
+	}
+
+	mutex_unlock(&sprdbat_data->lock);
+
+}
+
+static void sprdbat_battery_sleep_works(struct work_struct *work)
+{
+	printk("sprdbat_battery_sleep_works\n");
+	if (schedule_delayed_work(&sprdbat_data->battery_work, 0) == 0) {
+		cancel_delayed_work_sync(&sprdbat_data->battery_work);
+		schedule_delayed_work(&sprdbat_data->battery_work, 0);
+	}
+}
+
+static void sprdbat_charge_works(struct work_struct *work)
+{
+
+	int battery_state;
+
+	printk("sprdbat_charge_works----------start\n");
+
+	mutex_lock(&sprdbat_data->lock);
+
+	battery_state = sprd_ext_ic_op->get_charging_status();
+	printk("######## battery_state = %d\n", battery_state);
+	if (battery_state == 0x00) {
+		status_0++;
+		printk("###### now state is ready\n");
+		if (charge_err_flag) {
+			printk("SPRDBAT_OVI_RESTART_E\n");
+			sprdbat_start_charge();
+		}
+		if ((charge_done_flag != 0) || (charge_timeout_flag == 1)) {
+			if (sprdbat_data->bat_info.vbat_ocv <=
+			    sprdbat_data->pdata->rechg_vol) {
+				printk
+				    ("recharge!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");
+				sprdbat_start_charge();
+			}
+		}
+		if (sprdbat_data->bat_info.module_state !=
+		    POWER_SUPPLY_STATUS_FULL)
+			sprdbat_data->bat_info.module_state =
+			    POWER_SUPPLY_STATUS_NOT_CHARGING;
+	} else if (battery_state == 0x01) {
+		status_1++;
+		printk("###### now state is charging\n");
+		charge_done_flag = 0;
+		charge_err_flag = 0;
+
+		if (sprdbat_data->bat_info.module_state !=
+		    POWER_SUPPLY_STATUS_FULL)
+			sprdbat_data->bat_info.module_state =
+			    POWER_SUPPLY_STATUS_CHARGING;
+	} else if (battery_state == 0x02) {
+		status_2++;
+		printk("###### now state is charge done\n");
+		sprdbat_stop_charge();
+		charge_done_flag = 1;
+		sprdbat_data->bat_info.module_state = POWER_SUPPLY_STATUS_FULL;
+	} else if (battery_state == 0x03) {
+		status_3++;
+		printk("###### now state is porper charge\n");
+		sprdbat_stop_charge();
+		charge_err_flag = 1;
+
+//              sprdbat_data->bat_info.module_state =
+//                      POWER_SUPPLY_STATUS_NOT_CHARGING;
+	}
+
+	if (sprdbat_is_chg_timeout()) {
+		printk("chg timeout!!!!!!!!!!!!!\n");
+
+		if (sprdbat_data->bat_info.vbat_ocv >
+		    sprdbat_data->pdata->rechg_vol) {
+			charge_timeout_flag = 1;
+			sprdbat_stop_charge();
+		} else {
+			charge_timeout_flag = 0;
+//      sprdbat_stop_charge();
+		}
+		printk("chg timeout!!!!!!!!!!!!! flag = %d\n",
+		       charge_timeout_flag);
+	}
+
+	printk
+	    ("########  status number!!!!\n status_0 = %d\n status_1 = %d\n status_2 = %d\n status_3 = %d\n charge_done_flag = %d\n charge_timeout_flag = %d\n",
+	     status_0, status_1, status_2, status_3, charge_done_flag,
+	     charge_timeout_flag);
+
+	mutex_unlock(&sprdbat_data->lock);
+
+	sprdbat_chg_print_log();
+	printk("sprdbat_charge_works----------end\n");
+
+}
+
+static int sprdbat_timer_handler(void *data)
+{
+	sprdbat_data->bat_info.vbat_vol = sprdfgu_read_vbat_vol();
+	sprdbat_data->bat_info.vbat_ocv = sprdfgu_read_vbat_ocv();
+	sprdbat_data->bat_info.bat_current = sprdfgu_read_batcurrent();
+
+	printk("sprdbat_timer_handler----------vbat_vol %d,ocv:%d\n",
+	       sprdbat_data->bat_info.vbat_vol,
+	       sprdbat_data->bat_info.vbat_ocv);
+	printk("sprdbat_timer_handler----------bat_current %d\n",
+	       sprdbat_data->bat_info.bat_current);
+
+	queue_delayed_work(sprdbat_data->monitor_wqueue,
+			   sprdbat_data->charge_work, 0);
+
+	return 0;
+
+}
+
+static int sprdbat_probe(struct platform_device *pdev)
+{
+	int ret = -ENODEV;
+	struct sprdbat_drivier_data *data;
+//      struct resource *res = NULL;
+
+	struct device_node *np = pdev->dev.of_node;
+
+	printk("sprdbat_fan54015_probe start\n");
+
+#ifdef CONFIG_OF
+	if (!np) {
+		dev_err(&pdev->dev, "device node not found\n");
+		return -EINVAL;
+	}
+#endif
+
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
+	if (data == NULL) {
+		ret = -ENOMEM;
+		goto err_data_alloc_failed;
+	}
+
+	if (np) {
+		data->pdata = sprdbat_parse_dt(pdev);
+	} else {
+		data->pdata = dev_get_platdata(&pdev->dev);
+	}
+
+	data->dev = &pdev->dev;
+	platform_set_drvdata(pdev, data);
+	sprdbat_data = data;
+//      sprdbat_param_init(data);
+
+	sprd_ext_ic_op = sprd_get_ext_ic_ops();
+
+	data->battery.properties = sprdbat_battery_props;
+	data->battery.num_properties = ARRAY_SIZE(sprdbat_battery_props);
+	data->battery.get_property = sprdbat_battery_get_property;
+	data->battery.name = "battery";
+	data->battery.type = POWER_SUPPLY_TYPE_BATTERY;
+	data->battery.supplied_to = battery_supply_list;
+	data->battery.num_supplicants = ARRAY_SIZE(battery_supply_list);
+
+	data->ac.properties = sprdbat_ac_props;
+	data->ac.num_properties = ARRAY_SIZE(sprdbat_ac_props);
+	data->ac.get_property = sprdbat_ac_get_property;
+	data->ac.name = "ac";
+	data->ac.type = POWER_SUPPLY_TYPE_MAINS;
+	data->ac.supplied_to = supply_list;
+	data->ac.num_supplicants = ARRAY_SIZE(supply_list);
+
+	data->usb.properties = sprdbat_usb_props;
+	data->usb.num_properties = ARRAY_SIZE(sprdbat_usb_props);
+	data->usb.get_property = sprdbat_usb_get_property;
+	data->usb.name = "usb";
+	data->usb.type = POWER_SUPPLY_TYPE_USB;
+	data->usb.supplied_to = supply_list;
+	data->usb.num_supplicants = ARRAY_SIZE(supply_list);
+
+	data->start_charge = sprdbat_start_charge;
+	data->stop_charge = sprdbat_stop_charge;
+
+	ret = power_supply_register(&pdev->dev, &data->usb);
+	if (ret)
+		goto err_usb_failed;
+
+	ret = power_supply_register(&pdev->dev, &data->ac);
+	if (ret)
+		goto err_ac_failed;
+
+	ret = power_supply_register(&pdev->dev, &data->battery);
+	if (ret)
+		goto err_battery_failed;
+
+	sprdbat_creat_caliberate_attr(data->battery.dev);
+
+/*use gpio irq*/
+#if 0
+	ret = gpio_request();
+	if (ret) {
+	}
+	gpio_direction_input()
+	    set_irq_flags(irq, flags);
+	ret =
+	    request_irq(unsigned int irq, irq_handler_t handler,
+			unsigned long irqflags, const char *devname,
+			void *dev_id)
+#endif
+	 mutex_init(&data->lock);
+	wake_lock_init(&(data->charger_plug_out_lock), WAKE_LOCK_SUSPEND,
+		       "charger_plug_out_lock");
+
+	INIT_DELAYED_WORK(&data->battery_work, sprdbat_battery_works);
+	INIT_DELAYED_WORK(&data->battery_sleep_work,
+			  sprdbat_battery_sleep_works);
+	INIT_DELAYED_WORK(&sprdbat_charge_work, sprdbat_charge_works);
+	data->charge_work = &sprdbat_charge_work;
+#if 0
+	INIT_DELAYED_WORK();	//for irq
+#endif
+
+	data->monitor_wqueue = create_singlethread_workqueue("sprdbat_monitor");
+
+	sprdchg_timer_init(sprdbat_timer_handler, data);
+//      sprdchg_set_chg_ovp(data->bat_param.ovp_stop);
+	sprdchg_init(data->pdata);
+	sprdfgu_init(data->pdata);
+
+#ifdef CONFIG_LEDS_TRIGGERS
+	data->charging_led.name = "sprdbat_charging_led";
+	data->charging_led.default_trigger = "battery-charging";
+	data->charging_led.brightness_set = sprdchg_led_brightness_set;
+	led_classdev_register(&pdev->dev, &data->charging_led);
+#endif
+
+	sprdbat_info_init(data);
+
+//      sprdbat_notifier.notifier_call = sprdbat_fgu_event;
+//      sprdfgu_register_notifier(&sprdbat_notifier);
+	usb_register_hotplug_callback(&power_cb);
+
+	schedule_delayed_work(&data->battery_work,
+			      sprdbat_data->pdata->bat_polling_time * HZ);
+	printk("sprdbat_probe----------end\n");
+	return 0;
+
+err_data_alloc_failed:
+	sprdbat_data = NULL;
+
+err_battery_failed:
+	power_supply_unregister(&data->battery);
+
+err_ac_failed:
+	power_supply_unregister(&data->ac);
+
+err_usb_failed:
+	power_supply_unregister(&data->usb);
+	return ret;
+}
+
+static int sprdbat_remove(struct platform_device *pdev)
+{
+	struct sprdbat_drivier_data *data = platform_get_drvdata(pdev);
+
+	sprdbat_remove_caliberate_attr(data->battery.dev);
+
+	power_supply_unregister(&data->battery);
+	power_supply_unregister(&data->ac);
+	power_supply_unregister(&data->usb);
+
+	kfree(data);
+	sprdbat_data = NULL;
+	return 0;
+}
+
+static int sprdbat_resume(struct platform_device *pdev)
+{
+	schedule_delayed_work(&sprdbat_data->battery_sleep_work, 0);
+	sprdfgu_pm_op(0);
+	sprd_ext_ic_op->timer_callback_ext();	//use to wake up 54015 timer 10S
+	return 0;
+}
+
+static int sprdbat_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	sprdfgu_pm_op(1);	//enable  low  power  wake up
+	return 0;
+}
+
+#ifdef CONFIG_OF
+static const struct of_device_id battery_of_match[] = {
+	{.compatible = "sprd,sprd-battery",},
+	{}
+};
+#endif
+
+static struct platform_driver sprdbat_driver = {
+	.probe = sprdbat_probe,
+	.remove = sprdbat_remove,
+	.suspend = sprdbat_suspend,
+	.resume = sprdbat_resume,
+	.driver = {
+		   .name = "sprd-battery",
+#ifdef CONFIG_OF
+		   .of_match_table = of_match_ptr(battery_of_match),
+#endif
+		   }
+};
+
+static int __init sprd_fan54015_init(void)
+{
+	return platform_driver_register(&sprdbat_driver);
+}
+
+static void __exit sprd_fan54015_exit(void)
+{
+	return platform_driver_unregister(&sprdbat_driver);
+}
+
+module_init(sprd_fan54015_init);
+module_exit(sprd_fan54015_exit);
+
+MODULE_AUTHOR("wei.peng@spreadtrum.com");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Battery and charger driver for FAN54015");