Re: [lm-sensors][PATCH] hwmon: (ntc_thermistor) Add support for ncpXXwf104

From: Guenter Roeck
Date: Wed Apr 29 2015 - 23:15:09 EST


On 04/29/2015 07:25 PM, Beomho Seo wrote:
This patch adds support for the ntc thermistor NCPXXWF104 serise.

s/serise/series

Cc: Jean Delvare <jdelvare@xxxxxxx>
Cc: Guenter Roeck <linux@xxxxxxxxxxxx>
Signed-off-by: Beomho Seo <beomho.seo@xxxxxxxxxxx>
---
drivers/hwmon/ntc_thermistor.c | 45 ++++++++++++++++++++++++++
include/linux/platform_data/ntc_thermistor.h | 1 +

Please also update
Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
Documentation/hwmon/ntc_thermistor
drivers/hwmon/Kconfig

2 files changed, 46 insertions(+)

diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c
index 112e4d4..a320664 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",

Please use murata instead of ntc (see the devicetree bindings document),
and add the entry to the murata list.

+ .data = &ntc_thermistor_id[6] },
+
{ },
};
MODULE_DEVICE_TABLE(of, ntc_match);
@@ -558,6 +599,10 @@ 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 0a6de4c..aed1705 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 {


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/