diff options
| -rw-r--r-- | drivers/hwmon/Kconfig | 3 | ||||
| -rw-r--r-- | drivers/hwmon/ntc_thermistor.c | 57 | ||||
| -rw-r--r-- | include/linux/platform_data/ntc_thermistor.h | 1 |
3 files changed, 58 insertions, 3 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 6c3e331ff44c..fe1e75051fd8 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -1218,7 +1218,8 @@ config SENSORS_NTC_THERMISTOR Currently, this driver supports NCP15WB473, NCP18WB473, NCP21WB473, NCP03WB473, NCP15WL333, - NCP03WF104 and NCP15XH103 from Murata and B57330V2103 from EPCOS. + NCP03WF104 and NCP15XH103 from Murata and B57330V2103 and + B57891S0103 from EPCOS. This driver can also be built as a module. If so, the module will be called ntc-thermistor. diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c index c52d07c6b49f..e0c6b2f244a6 100644 --- a/drivers/hwmon/ntc_thermistor.c +++ b/drivers/hwmon/ntc_thermistor.c @@ -55,6 +55,7 @@ static const struct platform_device_id ntc_thermistor_id[] = { { "b57330v2103", TYPE_B57330V2103}, { "ncp03wf104", TYPE_NCPXXWF104 }, { "ncp15xh103", TYPE_NCPXXXH103 }, + { "b57891s0103", TYPE_B57891S0103 }, { }, }; @@ -212,8 +213,8 @@ static const struct ntc_compensation ncpXXxh103[] = { }; /* - * The following compensation table is from the specification of EPCOS NTC - * Thermistors Datasheet + * The following compensation tables are from the specifications in EPCOS NTC + * Thermistors Datasheets */ static const struct ntc_compensation b57330v2103[] = { { .temp_c = -40, .ohm = 190030 }, @@ -252,6 +253,52 @@ static const struct ntc_compensation b57330v2103[] = { { .temp_c = 125, .ohm = 531 }, }; +static const struct ntc_compensation b57891s0103[] = { + { .temp_c = -55.0, .ohm = 878900 }, + { .temp_c = -50.0, .ohm = 617590 }, + { .temp_c = -45.0, .ohm = 439340 }, + { .temp_c = -40.0, .ohm = 316180 }, + { .temp_c = -35.0, .ohm = 230060 }, + { .temp_c = -30.0, .ohm = 169150 }, + { .temp_c = -25.0, .ohm = 125550 }, + { .temp_c = -20.0, .ohm = 94143 }, + { .temp_c = -15.0, .ohm = 71172 }, + { .temp_c = -10.0, .ohm = 54308 }, + { .temp_c = -5.0, .ohm = 41505 }, + { .temp_c = 0.0, .ohm = 32014 }, + { .temp_c = 5.0, .ohm = 25011 }, + { .temp_c = 10.0, .ohm = 19691 }, + { .temp_c = 15.0, .ohm = 15618 }, + { .temp_c = 20.0, .ohm = 12474 }, + { .temp_c = 25.0, .ohm = 10000 }, + { .temp_c = 30.0, .ohm = 8080 }, + { .temp_c = 35.0, .ohm = 6569 }, + { .temp_c = 40.0, .ohm = 5372 }, + { .temp_c = 45.0, .ohm = 4424 }, + { .temp_c = 50.0, .ohm = 3661 }, + { .temp_c = 55.0, .ohm = 3039 }, + { .temp_c = 60.0, .ohm = 2536 }, + { .temp_c = 65.0, .ohm = 2128 }, + { .temp_c = 70.0, .ohm = 1794 }, + { .temp_c = 75.0, .ohm = 1518 }, + { .temp_c = 80.0, .ohm = 1290 }, + { .temp_c = 85.0, .ohm = 1100 }, + { .temp_c = 90.0, .ohm = 942 }, + { .temp_c = 95.0, .ohm = 809 }, + { .temp_c = 100.0, .ohm = 697 }, + { .temp_c = 105.0, .ohm = 604 }, + { .temp_c = 110.0, .ohm = 525 }, + { .temp_c = 115.0, .ohm = 457 }, + { .temp_c = 120.0, .ohm = 400 }, + { .temp_c = 125.0, .ohm = 351 }, + { .temp_c = 130.0, .ohm = 308 }, + { .temp_c = 135.0, .ohm = 272 }, + { .temp_c = 140.0, .ohm = 240 }, + { .temp_c = 145.0, .ohm = 213 }, + { .temp_c = 150.0, .ohm = 189 }, + { .temp_c = 155.0, .ohm = 168 }, +}; + struct ntc_data { struct ntc_thermistor_platform_data *pdata; const struct ntc_compensation *comp; @@ -296,6 +343,8 @@ static const struct of_device_id ntc_match[] = { .data = &ntc_thermistor_id[6] }, { .compatible = "murata,ncp15xh103", .data = &ntc_thermistor_id[7] }, + { .compatible = "epcos,b57891s0103", + .data = &ntc_thermistor_id[8] }, /* Usage of vendor name "ntc" is deprecated */ { .compatible = "ntc,ncp15wb473", @@ -627,6 +676,10 @@ static int ntc_thermistor_probe(struct platform_device *pdev) data->comp = ncpXXxh103; data->n_comp = ARRAY_SIZE(ncpXXxh103); break; + case TYPE_B57891S0103: + data->comp = b57891s0103; + data->n_comp = ARRAY_SIZE(b57891s0103); + break; default: dev_err(dev, "Unknown device type: %lu(%s)\n", pdev_id->driver_data, pdev_id->name); diff --git a/include/linux/platform_data/ntc_thermistor.h b/include/linux/platform_data/ntc_thermistor.h index 698d0d59db76..231a27c302ec 100644 --- a/include/linux/platform_data/ntc_thermistor.h +++ b/include/linux/platform_data/ntc_thermistor.h @@ -29,6 +29,7 @@ enum ntc_thermistor_type { TYPE_B57330V2103, TYPE_NCPXXWF104, TYPE_NCPXXXH103, + TYPE_B57891S0103, }; struct ntc_thermistor_platform_data { |