--- /dev/null
+#include <linux/export.h>
+#include <linux/power_supply.h>
+#include <linux/of.h>
+#include <linux/mfd/abx500.h>
+#include <linux/mfd/abx500/ab8500.h>
+#include <linux/mfd/abx500/ab8500-bm.h>
+
+/*
+ * These are the defined batteries that uses a NTC and ID resistor placed
+ * inside of the battery pack.
+ * Note that the res_to_temp table must be strictly sorted by falling resistance
+ * values to work.
+ */
+static struct abx500_res_to_temp temp_tbl_A_thermistor[] = {
+ {-5, 53407},
+ { 0, 48594},
+ { 5, 43804},
+ {10, 39188},
+ {15, 34870},
+ {20, 30933},
+ {25, 27422},
+ {30, 24347},
+ {35, 21694},
+ {40, 19431},
+ {45, 17517},
+ {50, 15908},
+ {55, 14561},
+ {60, 13437},
+ {65, 12500},
+};
+
+static struct abx500_res_to_temp temp_tbl_B_thermistor[] = {
+ {-5, 165418},
+ { 0, 159024},
+ { 5, 151921},
+ {10, 144300},
+ {15, 136424},
+ {20, 128565},
+ {25, 120978},
+ {30, 113875},
+ {35, 107397},
+ {40, 101629},
+ {45, 96592},
+ {50, 92253},
+ {55, 88569},
+ {60, 85461},
+ {65, 82869},
+};
+
+static struct abx500_v_to_cap cap_tbl_A_thermistor[] = {
+ {4171, 100},
+ {4114, 95},
+ {4009, 83},
+ {3947, 74},
+ {3907, 67},
+ {3863, 59},
+ {3830, 56},
+ {3813, 53},
+ {3791, 46},
+ {3771, 33},
+ {3754, 25},
+ {3735, 20},
+ {3717, 17},
+ {3681, 13},
+ {3664, 8},
+ {3651, 6},
+ {3635, 5},
+ {3560, 3},
+ {3408, 1},
+ {3247, 0},
+};
+
+static struct abx500_v_to_cap cap_tbl_B_thermistor[] = {
+ {4161, 100},
+ {4124, 98},
+ {4044, 90},
+ {4003, 85},
+ {3966, 80},
+ {3933, 75},
+ {3888, 67},
+ {3849, 60},
+ {3813, 55},
+ {3787, 47},
+ {3772, 30},
+ {3751, 25},
+ {3718, 20},
+ {3681, 16},
+ {3660, 14},
+ {3589, 10},
+ {3546, 7},
+ {3495, 4},
+ {3404, 2},
+ {3250, 0},
+};
+
+static struct abx500_v_to_cap cap_tbl[] = {
+ {4186, 100},
+ {4163, 99},
+ {4114, 95},
+ {4068, 90},
+ {3990, 80},
+ {3926, 70},
+ {3898, 65},
+ {3866, 60},
+ {3833, 55},
+ {3812, 50},
+ {3787, 40},
+ {3768, 30},
+ {3747, 25},
+ {3730, 20},
+ {3705, 15},
+ {3699, 14},
+ {3684, 12},
+ {3672, 9},
+ {3657, 7},
+ {3638, 6},
+ {3556, 4},
+ {3424, 2},
+ {3317, 1},
+ {3094, 0},
+};
+
+/*
+ * Note that the res_to_temp table must be strictly sorted by falling
+ * resistance values to work.
+ */
+static struct abx500_res_to_temp temp_tbl[] = {
+ {-5, 214834},
+ { 0, 162943},
+ { 5, 124820},
+ {10, 96520},
+ {15, 75306},
+ {20, 59254},
+ {25, 47000},
+ {30, 37566},
+ {35, 30245},
+ {40, 24520},
+ {45, 20010},
+ {50, 16432},
+ {55, 13576},
+ {60, 11280},
+ {65, 9425},
+};
+
+/*
+ * Note that the batres_vs_temp table must be strictly sorted by falling
+ * temperature values to work.
+ */
+static struct batres_vs_temp temp_to_batres_tbl_thermistor[] = {
+ { 40, 120},
+ { 30, 135},
+ { 20, 165},
+ { 10, 230},
+ { 00, 325},
+ {-10, 445},
+ {-20, 595},
+};
+
+/*
+ * Note that the batres_vs_temp table must be strictly sorted by falling
+ * temperature values to work.
+ */
+static struct batres_vs_temp temp_to_batres_tbl_ext_thermistor[] = {
+ { 60, 300},
+ { 30, 300},
+ { 20, 300},
+ { 10, 300},
+ { 00, 300},
+ {-10, 300},
+ {-20, 300},
+};
+
+/* battery resistance table for LI ION 9100 battery */
+static struct batres_vs_temp temp_to_batres_tbl_9100[] = {
+ { 60, 180},
+ { 30, 180},
+ { 20, 180},
+ { 10, 180},
+ { 00, 180},
+ {-10, 180},
+ {-20, 180},
+};
+
+static struct abx500_battery_type bat_type_thermistor[] = {
+[BATTERY_UNKNOWN] = {
+ /* First element always represent the UNKNOWN battery */
+ .name = POWER_SUPPLY_TECHNOLOGY_UNKNOWN,
+ .resis_high = 0,
+ .resis_low = 0,
+ .battery_resistance = 300,
+ .charge_full_design = 612,
+ .nominal_voltage = 3700,
+ .termination_vol = 4050,
+ .termination_curr = 200,
+ .recharge_vol = 3990,
+ .normal_cur_lvl = 400,
+ .normal_vol_lvl = 4100,
+ .maint_a_cur_lvl = 400,
+ .maint_a_vol_lvl = 4050,
+ .maint_a_chg_timer_h = 60,
+ .maint_b_cur_lvl = 400,
+ .maint_b_vol_lvl = 4000,
+ .maint_b_chg_timer_h = 200,
+ .low_high_cur_lvl = 300,
+ .low_high_vol_lvl = 4000,
+ .n_temp_tbl_elements = ARRAY_SIZE(temp_tbl),
+ .r_to_t_tbl = temp_tbl,
+ .n_v_cap_tbl_elements = ARRAY_SIZE(cap_tbl),
+ .v_to_cap_tbl = cap_tbl,
+ .n_batres_tbl_elements = ARRAY_SIZE(temp_to_batres_tbl_thermistor),
+ .batres_tbl = temp_to_batres_tbl_thermistor,
+},
+{
+ .name = POWER_SUPPLY_TECHNOLOGY_LIPO,
+ .resis_high = 53407,
+ .resis_low = 12500,
+ .battery_resistance = 300,
+ .charge_full_design = 900,
+ .nominal_voltage = 3600,
+ .termination_vol = 4150,
+ .termination_curr = 80,
+ .recharge_vol = 4130,
+ .normal_cur_lvl = 700,
+ .normal_vol_lvl = 4200,
+ .maint_a_cur_lvl = 600,
+ .maint_a_vol_lvl = 4150,
+ .maint_a_chg_timer_h = 60,
+ .maint_b_cur_lvl = 600,
+ .maint_b_vol_lvl = 4100,
+ .maint_b_chg_timer_h = 200,
+ .low_high_cur_lvl = 300,
+ .low_high_vol_lvl = 4000,
+ .n_temp_tbl_elements = ARRAY_SIZE(temp_tbl_A_thermistor),
+ .r_to_t_tbl = temp_tbl_A_thermistor,
+ .n_v_cap_tbl_elements = ARRAY_SIZE(cap_tbl_A_thermistor),
+ .v_to_cap_tbl = cap_tbl_A_thermistor,
+ .n_batres_tbl_elements = ARRAY_SIZE(temp_to_batres_tbl_thermistor),
+ .batres_tbl = temp_to_batres_tbl_thermistor,
+
+},
+{
+ .name = POWER_SUPPLY_TECHNOLOGY_LIPO,
+ .resis_high = 165418,
+ .resis_low = 82869,
+ .battery_resistance = 300,
+ .charge_full_design = 900,
+ .nominal_voltage = 3600,
+ .termination_vol = 4150,
+ .termination_curr = 80,
+ .recharge_vol = 4130,
+ .normal_cur_lvl = 700,
+ .normal_vol_lvl = 4200,
+ .maint_a_cur_lvl = 600,
+ .maint_a_vol_lvl = 4150,
+ .maint_a_chg_timer_h = 60,
+ .maint_b_cur_lvl = 600,
+ .maint_b_vol_lvl = 4100,
+ .maint_b_chg_timer_h = 200,
+ .low_high_cur_lvl = 300,
+ .low_high_vol_lvl = 4000,
+ .n_temp_tbl_elements = ARRAY_SIZE(temp_tbl_B_thermistor),
+ .r_to_t_tbl = temp_tbl_B_thermistor,
+ .n_v_cap_tbl_elements = ARRAY_SIZE(cap_tbl_B_thermistor),
+ .v_to_cap_tbl = cap_tbl_B_thermistor,
+ .n_batres_tbl_elements = ARRAY_SIZE(temp_to_batres_tbl_thermistor),
+ .batres_tbl = temp_to_batres_tbl_thermistor,
+},
+};
+
+static struct abx500_battery_type bat_type_ext_thermistor[] = {
+[BATTERY_UNKNOWN] = {
+ /* First element always represent the UNKNOWN battery */
+ .name = POWER_SUPPLY_TECHNOLOGY_UNKNOWN,
+ .resis_high = 0,
+ .resis_low = 0,
+ .battery_resistance = 300,
+ .charge_full_design = 612,
+ .nominal_voltage = 3700,
+ .termination_vol = 4050,
+ .termination_curr = 200,
+ .recharge_vol = 3990,
+ .normal_cur_lvl = 400,
+ .normal_vol_lvl = 4100,
+ .maint_a_cur_lvl = 400,
+ .maint_a_vol_lvl = 4050,
+ .maint_a_chg_timer_h = 60,
+ .maint_b_cur_lvl = 400,
+ .maint_b_vol_lvl = 4000,
+ .maint_b_chg_timer_h = 200,
+ .low_high_cur_lvl = 300,
+ .low_high_vol_lvl = 4000,
+ .n_temp_tbl_elements = ARRAY_SIZE(temp_tbl),
+ .r_to_t_tbl = temp_tbl,
+ .n_v_cap_tbl_elements = ARRAY_SIZE(cap_tbl),
+ .v_to_cap_tbl = cap_tbl,
+ .n_batres_tbl_elements = ARRAY_SIZE(temp_to_batres_tbl_thermistor),
+ .batres_tbl = temp_to_batres_tbl_thermistor,
+},
+/*
+ * These are the batteries that doesn't have an internal NTC resistor to measure
+ * its temperature. The temperature in this case is measure with a NTC placed
+ * near the battery but on the PCB.
+ */
+{
+ .name = POWER_SUPPLY_TECHNOLOGY_LIPO,
+ .resis_high = 76000,
+ .resis_low = 53000,
+ .battery_resistance = 300,
+ .charge_full_design = 900,
+ .nominal_voltage = 3700,
+ .termination_vol = 4150,
+ .termination_curr = 100,
+ .recharge_vol = 4130,
+ .normal_cur_lvl = 700,
+ .normal_vol_lvl = 4200,
+ .maint_a_cur_lvl = 600,
+ .maint_a_vol_lvl = 4150,
+ .maint_a_chg_timer_h = 60,
+ .maint_b_cur_lvl = 600,
+ .maint_b_vol_lvl = 4100,
+ .maint_b_chg_timer_h = 200,
+ .low_high_cur_lvl = 300,
+ .low_high_vol_lvl = 4000,
+ .n_temp_tbl_elements = ARRAY_SIZE(temp_tbl),
+ .r_to_t_tbl = temp_tbl,
+ .n_v_cap_tbl_elements = ARRAY_SIZE(cap_tbl),
+ .v_to_cap_tbl = cap_tbl,
+ .n_batres_tbl_elements = ARRAY_SIZE(temp_to_batres_tbl_thermistor),
+ .batres_tbl = temp_to_batres_tbl_thermistor,
+},
+{
+ .name = POWER_SUPPLY_TECHNOLOGY_LION,
+ .resis_high = 30000,
+ .resis_low = 10000,
+ .battery_resistance = 300,
+ .charge_full_design = 950,
+ .nominal_voltage = 3700,
+ .termination_vol = 4150,
+ .termination_curr = 100,
+ .recharge_vol = 4130,
+ .normal_cur_lvl = 700,
+ .normal_vol_lvl = 4200,
+ .maint_a_cur_lvl = 600,
+ .maint_a_vol_lvl = 4150,
+ .maint_a_chg_timer_h = 60,
+ .maint_b_cur_lvl = 600,
+ .maint_b_vol_lvl = 4100,
+ .maint_b_chg_timer_h = 200,
+ .low_high_cur_lvl = 300,
+ .low_high_vol_lvl = 4000,
+ .n_temp_tbl_elements = ARRAY_SIZE(temp_tbl),
+ .r_to_t_tbl = temp_tbl,
+ .n_v_cap_tbl_elements = ARRAY_SIZE(cap_tbl),
+ .v_to_cap_tbl = cap_tbl,
+ .n_batres_tbl_elements = ARRAY_SIZE(temp_to_batres_tbl_thermistor),
+ .batres_tbl = temp_to_batres_tbl_thermistor,
+},
+{
+ .name = POWER_SUPPLY_TECHNOLOGY_LION,
+ .resis_high = 95000,
+ .resis_low = 76001,
+ .battery_resistance = 300,
+ .charge_full_design = 950,
+ .nominal_voltage = 3700,
+ .termination_vol = 4150,
+ .termination_curr = 100,
+ .recharge_vol = 4130,
+ .normal_cur_lvl = 700,
+ .normal_vol_lvl = 4200,
+ .maint_a_cur_lvl = 600,
+ .maint_a_vol_lvl = 4150,
+ .maint_a_chg_timer_h = 60,
+ .maint_b_cur_lvl = 600,
+ .maint_b_vol_lvl = 4100,
+ .maint_b_chg_timer_h = 200,
+ .low_high_cur_lvl = 300,
+ .low_high_vol_lvl = 4000,
+ .n_temp_tbl_elements = ARRAY_SIZE(temp_tbl),
+ .r_to_t_tbl = temp_tbl,
+ .n_v_cap_tbl_elements = ARRAY_SIZE(cap_tbl),
+ .v_to_cap_tbl = cap_tbl,
+ .n_batres_tbl_elements = ARRAY_SIZE(temp_to_batres_tbl_thermistor),
+ .batres_tbl = temp_to_batres_tbl_thermistor,
+},
+};
+
+static const struct abx500_bm_capacity_levels cap_levels = {
+ .critical = 2,
+ .low = 10,
+ .normal = 70,
+ .high = 95,
+ .full = 100,
+};
+
+static const struct abx500_fg_parameters fg = {
+ .recovery_sleep_timer = 10,
+ .recovery_total_time = 100,
+ .init_timer = 1,
+ .init_discard_time = 5,
+ .init_total_time = 40,
+ .high_curr_time = 60,
+ .accu_charging = 30,
+ .accu_high_curr = 30,
+ .high_curr_threshold = 50,
+ .lowbat_threshold = 3100,
+ .battok_falling_th_sel0 = 2860,
+ .battok_raising_th_sel1 = 2860,
+ .user_cap_limit = 15,
+ .maint_thres = 97,
+};
+
+static const struct abx500_maxim_parameters maxi_params = {
+ .ena_maxi = true,
+ .chg_curr = 910,
+ .wait_cycles = 10,
+ .charger_curr_step = 100,
+};
+
+static const struct abx500_bm_charger_parameters chg = {
+ .usb_volt_max = 5500,
+ .usb_curr_max = 1500,
+ .ac_volt_max = 7500,
+ .ac_curr_max = 1500,
+};
+
+struct abx500_bm_data ab8500_bm_data = {
+ .temp_under = 3,
+ .temp_low = 8,
+ .temp_high = 43,
+ .temp_over = 48,
+ .main_safety_tmr_h = 4,
+ .temp_interval_chg = 20,
+ .temp_interval_nochg = 120,
+ .usb_safety_tmr_h = 4,
+ .bkup_bat_v = BUP_VCH_SEL_2P6V,
+ .bkup_bat_i = BUP_ICH_SEL_150UA,
+ .no_maintenance = false,
+ .adc_therm = ABx500_ADC_THERM_BATCTRL,
+ .chg_unknown_bat = false,
+ .enable_overshoot = false,
+ .fg_res = 100,
+ .cap_levels = &cap_levels,
+ .bat_type = bat_type_thermistor,
+ .n_btypes = 3,
+ .batt_id = 0,
+ .interval_charging = 5,
+ .interval_not_charging = 120,
+ .temp_hysteresis = 3,
+ .gnd_lift_resistance = 34,
+ .maxi = &maxi_params,
+ .chg_params = &chg,
+ .fg_params = &fg,
+};
+
+int __devinit
+bmdevs_of_probe(struct device *dev,
+ struct device_node *np,
+ struct abx500_bm_data **battery)
+{
+ struct abx500_battery_type *btype;
+ struct device_node *np_bat_supply;
+ struct abx500_bm_data *bat;
+ const char *btech;
+ char bat_tech[8];
+ int i, thermistor;
+
+ *battery = &ab8500_bm_data;
+
+ /* get phandle to 'battery-info' node */
+ np_bat_supply = of_parse_phandle(np, "battery", 0);
+ if (!np_bat_supply) {
+ dev_err(dev, "missing property battery\n");
+ return -EINVAL;
+ }
+ if (of_property_read_bool(np_bat_supply,
+ "thermistor-on-batctrl"))
+ thermistor = NTC_INTERNAL;
+ else
+ thermistor = NTC_EXTERNAL;
+
+ bat = *battery;
+ if (thermistor == NTC_EXTERNAL) {
+ bat->n_btypes = 4;
+ bat->bat_type = bat_type_ext_thermistor;
+ bat->adc_therm = ABx500_ADC_THERM_BATTEMP;
+ }
+ btech = of_get_property(np_bat_supply,
+ "stericsson,battery-type", NULL);
+ if (!btech) {
+ dev_warn(dev, "missing property battery-name/type\n");
+ strcpy(bat_tech, "UNKNOWN");
+ } else {
+ strcpy(bat_tech, btech);
+ }
+
+ if (strncmp(bat_tech, "LION", 4) == 0) {
+ bat->no_maintenance = true;
+ bat->chg_unknown_bat = true;
+ bat->bat_type[BATTERY_UNKNOWN].charge_full_design = 2600;
+ bat->bat_type[BATTERY_UNKNOWN].termination_vol = 4150;
+ bat->bat_type[BATTERY_UNKNOWN].recharge_vol = 4130;
+ bat->bat_type[BATTERY_UNKNOWN].normal_cur_lvl = 520;
+ bat->bat_type[BATTERY_UNKNOWN].normal_vol_lvl = 4200;
+ }
+ /* select the battery resolution table */
+ for (i = 0; i < bat->n_btypes; ++i) {
+ btype = (bat->bat_type + i);
+ if (thermistor == NTC_EXTERNAL) {
+ btype->batres_tbl =
+ temp_to_batres_tbl_ext_thermistor;
+ } else if (strncmp(bat_tech, "LION", 4) == 0) {
+ btype->batres_tbl =
+ temp_to_batres_tbl_9100;
+ } else {
+ btype->batres_tbl =
+ temp_to_batres_tbl_thermistor;
+ }
+ }
+ of_node_put(np_bat_supply);
+ return 0;
+}
#include <linux/platform_device.h>
#include <linux/power_supply.h>
#include <linux/kobject.h>
-#include <linux/mfd/abx500/ab8500.h>
-#include <linux/mfd/abx500.h>
#include <linux/slab.h>
-#include <linux/mfd/abx500/ab8500-bm.h>
#include <linux/delay.h>
-#include <linux/mfd/abx500/ab8500-gpadc.h>
-#include <linux/mfd/abx500.h>
#include <linux/time.h>
+#include <linux/of.h>
#include <linux/completion.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/abx500.h>
+#include <linux/mfd/abx500/ab8500.h>
+#include <linux/mfd/abx500/ab8500-bm.h>
+#include <linux/mfd/abx500/ab8500-gpadc.h>
#define MILLI_TO_MICRO 1000
#define FG_LSB_IN_MA 1627
* @avg_cap: Average capacity filter
* @parent: Pointer to the struct ab8500
* @gpadc: Pointer to the struct gpadc
- * @pdata: Pointer to the abx500_fg platform data
* @bat: Pointer to the abx500_bm platform data
* @fg_psy: Structure that holds the FG specific battery properties
* @fg_wq: Work queue for running the FG algorithm
struct ab8500_fg_avg_cap avg_cap;
struct ab8500 *parent;
struct ab8500_gpadc *gpadc;
- struct abx500_fg_platform_data *pdata;
struct abx500_bm_data *bat;
struct power_supply fg_psy;
struct workqueue_struct *fg_wq;
flush_scheduled_work();
power_supply_unregister(&di->fg_psy);
platform_set_drvdata(pdev, NULL);
- kfree(di);
return ret;
}
{"CCEOC", ab8500_fg_cc_data_end_handler},
};
+static char *supply_interface[] = {
+ "ab8500_chargalg",
+ "ab8500_usb",
+};
+
static int __devinit ab8500_fg_probe(struct platform_device *pdev)
{
+ struct device_node *np = pdev->dev.of_node;
+ struct ab8500_fg *di;
int i, irq;
int ret = 0;
- struct abx500_bm_plat_data *plat_data = pdev->dev.platform_data;
- struct ab8500_fg *di;
-
- if (!plat_data) {
- dev_err(&pdev->dev, "No platform data\n");
- return -EINVAL;
- }
- di = kzalloc(sizeof(*di), GFP_KERNEL);
- if (!di)
+ di = devm_kzalloc(&pdev->dev, sizeof(*di), GFP_KERNEL);
+ if (!di) {
+ dev_err(&pdev->dev, "%s no mem for ab8500_fg\n", __func__);
return -ENOMEM;
+ }
+ di->bat = pdev->mfd_cell->platform_data;
+ if (!di->bat) {
+ if (np) {
+ ret = bmdevs_of_probe(&pdev->dev, np, &di->bat);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "failed to get battery information\n");
+ return ret;
+ }
+ } else {
+ dev_err(&pdev->dev, "missing dt node for ab8500_fg\n");
+ return -EINVAL;
+ }
+ } else {
+ dev_info(&pdev->dev, "falling back to legacy platform data\n");
+ }
mutex_init(&di->cc_lock);
di->parent = dev_get_drvdata(pdev->dev.parent);
di->gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
- /* get fg specific platform data */
- di->pdata = plat_data->fg;
- if (!di->pdata) {
- dev_err(di->dev, "no fg platform data supplied\n");
- ret = -EINVAL;
- goto free_device_info;
- }
-
- /* get battery specific platform data */
- di->bat = plat_data->battery;
- if (!di->bat) {
- dev_err(di->dev, "no battery platform data supplied\n");
- ret = -EINVAL;
- goto free_device_info;
- }
-
di->fg_psy.name = "ab8500_fg";
di->fg_psy.type = POWER_SUPPLY_TYPE_BATTERY;
di->fg_psy.properties = ab8500_fg_props;
di->fg_psy.num_properties = ARRAY_SIZE(ab8500_fg_props);
di->fg_psy.get_property = ab8500_fg_get_property;
- di->fg_psy.supplied_to = di->pdata->supplied_to;
- di->fg_psy.num_supplicants = di->pdata->num_supplicants;
+ di->fg_psy.supplied_to = supply_interface;
+ di->fg_psy.num_supplicants = ARRAY_SIZE(supply_interface),
di->fg_psy.external_power_changed = ab8500_fg_external_power_changed;
di->bat_cap.max_mah_design = MILLI_TO_MICRO *
di->fg_wq = create_singlethread_workqueue("ab8500_fg_wq");
if (di->fg_wq == NULL) {
dev_err(di->dev, "failed to create work queue\n");
- ret = -ENOMEM;
- goto free_device_info;
+ return -ENOMEM;
}
/* Init work for running the fg algorithm instantly */
}
free_inst_curr_wq:
destroy_workqueue(di->fg_wq);
-free_device_info:
- kfree(di);
-
return ret;
}
+static const struct of_device_id ab8500_fg_match[] = {
+ { .compatible = "stericsson,ab8500-fg", },
+ { },
+};
+
static struct platform_driver ab8500_fg_driver = {
.probe = ab8500_fg_probe,
.remove = __devexit_p(ab8500_fg_remove),
.driver = {
.name = "ab8500-fg",
.owner = THIS_MODULE,
+ .of_match_table = ab8500_fg_match,
},
};
projects / platform / adaptation / renesas_rcar / renesas_kernel.git / commitdiff