int abx500_hwmon_init(struct abx500_temp *data)
{
struct ab8500_temp *ab8500_data;
ab8500_data = devm_kzalloc(&data->pdev->dev, sizeof(*ab8500_data),
GFP_KERNEL);
if (!ab8500_data)
return -ENOMEM;
ab8500_data->gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
if (IS_ERR(ab8500_data->gpadc))
return PTR_ERR(ab8500_data->gpadc);
ab8500_data->btemp = ab8500_btemp_get();
if (IS_ERR(ab8500_data->btemp))
return PTR_ERR(ab8500_data->btemp);
INIT_DELAYED_WORK(&ab8500_data->power_off_work,
ab8500_thermal_power_off);
ab8500_data->cfg.vcc = THERMAL_VCC;
ab8500_data->cfg.r_up = PULL_UP_RESISTOR;
ab8500_data->cfg.temp_tbl = ab8500_temp_tbl_a_thermistor;
ab8500_data->cfg.tbl_sz = ab8500_temp_tbl_a_size;
data->plat_data = ab8500_data;
/*
* ADC_AUX1 and ADC_AUX2, connected to external NTC
* BTEMP_BALL and BAT_CTRL, fixed usage
*/
data->gpadc_addr[0] = ADC_AUX1;
data->gpadc_addr[1] = ADC_AUX2;
data->gpadc_addr[2] = BTEMP_BALL;
data->gpadc_addr[3] = BAT_CTRL;
data->monitored_sensors = NUM_MONITORED_SENSORS;
data->ops.read_sensor = ab8500_read_sensor;
data->ops.irq_handler = ab8500_temp_irq_handler;
data->ops.show_name = ab8500_show_name;
data->ops.show_label = ab8500_show_label;
data->ops.is_visible = NULL;
return 0;
}
int __init abx500_hwmon_init(struct abx500_temp *data)
{
data->ab8500_gpadc = ab8500_gpadc_get();
if (IS_ERR(data->ab8500_gpadc))
return PTR_ERR(data->ab8500_gpadc);
data->ab8500_btemp = ab8500_btemp_get();
if (IS_ERR(data->ab8500_btemp))
return PTR_ERR(data->ab8500_btemp);
INIT_DELAYED_WORK(&data->power_off_work, ab8500_thermal_power_off);
/*
* Setup HW defined data.
*
* Reference hardware (HREF):
*
* GPADC - ADC_AUX1, connected to NTC R2148 next to RTC_XTAL on HREF
* GPADC - ADC_AUX2, connected to NTC R2150 near DB8500 on HREF
* Hence, temp#_min/max/max_hyst refer to millivolts and not
* millidegrees
* This is not the case for BAT_CTRL where millidegrees is used
*
* HREF HW does not support reading AB8500 temperature. BUT an
* AB8500 IRQ will be launched if die crit temp limit is reached.
*
* Make sure indexes correspond to the attribute indexes
* used when calling SENSOR_DEVICE_ATRR
*/
data->gpadc_addr[0] = ADC_AUX1;
data->gpadc_addr[1] = ADC_AUX2;
data->gpadc_addr[2] = BTEMP_BALL;
data->gpadc_addr[3] = BAT_CTRL;
data->gpadc_addr[4] = DIE_TEMP;
data->power_off_delay = DEFAULT_POWER_OFF_DELAY;
data->monitored_sensors = NUM_MONITORED_SENSORS;
data->ops.read_sensor = ab8500_read_sensor;
data->ops.irq_handler = ab8500_temp_irq_handler;
data->ops.show_name = ab8500_show_name;
data->ops.show_label = ab8500_show_label;
return 0;
}
