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authorBeomho Seo <beomho.seo@samsung.com>2015-04-28 19:47:01 +0900
committerSeung-Woo Kim <sw0312.kim@samsung.com>2016-12-14 13:44:24 +0900
commitcfafc6b08723b1d63f4388d53e4be76183298186 (patch)
tree0b94ff508c66ab2711878e51bf86cfe080e7e22d
parent408811bf1b3dbaaae84ba57f3a62515cbd9c88fb (diff)
hwmon: ntc_thermistor: Support ncpXXwf104 thermistor
This patch adds support for the ntc thermistor NCPXXWF104 serise. Signed-off-by: Beomho Seo <beomho.seo@samsung.com>
-rw-r--r--drivers/hwmon/ntc_thermistor.c45
-rw-r--r--include/linux/platform_data/ntc_thermistor.h1
2 files changed, 46 insertions, 0 deletions
diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c
index 68800115876b..029d7424f9a3 100644
--- a/drivers/hwmon/ntc_thermistor.c
+++ b/drivers/hwmon/ntc_thermistor.c
@@ -53,6 +53,7 @@ static const struct platform_device_id ntc_thermistor_id[] = {
{ "ncp03wb473", TYPE_NCPXXWB473 },
{ "ncp15wl333", TYPE_NCPXXWL333 },
{ "b57330v2103", TYPE_B57330V2103},
+ { "ncp03wf104", TYPE_NCPXXWF104 },
{ },
};
@@ -135,6 +136,43 @@ static const struct ntc_compensation ncpXXwl333[] = {
{ .temp_c = 125, .ohm = 707 },
};
+static const struct ntc_compensation ncpXXwf104[] = {
+ { .temp_c = -40, .ohm = 4397119 },
+ { .temp_c = -35, .ohm = 3088599 },
+ { .temp_c = -30, .ohm = 2197225 },
+ { .temp_c = -25, .ohm = 1581881 },
+ { .temp_c = -20, .ohm = 1151037 },
+ { .temp_c = -15, .ohm = 846579 },
+ { .temp_c = -10, .ohm = 628988 },
+ { .temp_c = -5, .ohm = 471632 },
+ { .temp_c = 0, .ohm = 357012 },
+ { .temp_c = 5, .ohm = 272500 },
+ { .temp_c = 10, .ohm = 209710 },
+ { .temp_c = 15, .ohm = 162651 },
+ { .temp_c = 20, .ohm = 127080 },
+ { .temp_c = 25, .ohm = 100000 },
+ { .temp_c = 30, .ohm = 79222 },
+ { .temp_c = 35, .ohm = 63167 },
+ { .temp_c = 40, .ohm = 50677 },
+ { .temp_c = 45, .ohm = 40904 },
+ { .temp_c = 50, .ohm = 33195 },
+ { .temp_c = 55, .ohm = 27091 },
+ { .temp_c = 60, .ohm = 22224 },
+ { .temp_c = 65, .ohm = 18323 },
+ { .temp_c = 70, .ohm = 15184 },
+ { .temp_c = 75, .ohm = 12635 },
+ { .temp_c = 80, .ohm = 10566 },
+ { .temp_c = 85, .ohm = 8873 },
+ { .temp_c = 90, .ohm = 7481 },
+ { .temp_c = 95, .ohm = 6337 },
+ { .temp_c = 100, .ohm = 5384 },
+ { .temp_c = 105, .ohm = 4594 },
+ { .temp_c = 110, .ohm = 3934 },
+ { .temp_c = 115, .ohm = 3380 },
+ { .temp_c = 120, .ohm = 2916 },
+ { .temp_c = 125, .ohm = 2522 },
+};
+
/*
* The following compensation table is from the specification of EPCOS NTC
* Thermistors Datasheet
@@ -231,6 +269,9 @@ static const struct of_device_id ntc_match[] = {
.data = &ntc_thermistor_id[3] },
{ .compatible = "ntc,ncp15wl333",
.data = &ntc_thermistor_id[4] },
+ { .compatible = "ntc,ncp03wf104",
+ .data = &ntc_thermistor_id[6] },
+
{ },
};
MODULE_DEVICE_TABLE(of, ntc_match);
@@ -567,6 +608,10 @@ static int ntc_thermistor_probe(struct platform_device *pdev)
data->comp = b57330v2103;
data->n_comp = ARRAY_SIZE(b57330v2103);
break;
+ case TYPE_NCPXXWF104:
+ data->comp = ncpXXwf104;
+ data->n_comp = ARRAY_SIZE(ncpXXwf104);
+ break;
default:
dev_err(&pdev->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 0a6de4ca4930..aed170588b74 100644
--- a/include/linux/platform_data/ntc_thermistor.h
+++ b/include/linux/platform_data/ntc_thermistor.h
@@ -27,6 +27,7 @@ enum ntc_thermistor_type {
TYPE_NCPXXWB473,
TYPE_NCPXXWL333,
TYPE_B57330V2103,
+ TYPE_NCPXXWF104,
};
struct ntc_thermistor_platform_data {