[PATCH 0/2] hwmon: ntc_thermistor: Adds support for EPCOS ntc thermistor

[PATCH 0/2] hwmon: ntc_thermistor: Adds support for EPCOS ntc thermistor

[Johannes Pointner]

The patch series adds support for the ntc thermistor B57330V2103 from
 EPCOS.

Signed-off-by: Johannes Pointner <johannes.pointner@gmail.com>
---
 Documentation/devicetree/bindings/vendor-prefixes.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt
b/Documentation/devicetree/bindings/vendor-prefixes.txt
index 46a311e..97c9c06 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -42,6 +42,7 @@ dmo    Data Modul AG
 ebv    EBV Elektronik
 edt    Emerging Display Technologies
 emmicro    EM Microelectronic
+epcos    EPCOS AG
 epfl    Ecole Polytechnique Fédérale de Lausanne
 epson    Seiko Epson Corp.
 est    ESTeem Wireless Modems
-- 
2.0.0


>From 402f8f19051ef341fe477f914aa14f1e7e5a5e34 Mon Sep 17 00:00:00 2001
From: Johannes Pointner <johannes.pointner@gmail.com>
Date: Fri, 27 Jun 2014 14:12:02 +0200
Subject: [PATCH 2/2] Adds support for the ntc thermistor B57330V2103 from
 EPCOS

Signed-off-by: Johannes Pointner <johannes.pointner@gmail.com>
---
 .../devicetree/bindings/hwmon/ntc_thermistor.txt   |  1 +
 Documentation/hwmon/ntc_thermistor                 |  5 +++
 drivers/hwmon/Kconfig                              |  2 +-
 drivers/hwmon/ntc_thermistor.c                     | 50 +++++++++++++++++++++-
 include/linux/platform_data/ntc_thermistor.h       |  1 +
 5 files changed, 57 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
b/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
index b117b2e..367d4a3 100644
--- a/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
+++ b/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
@@ -8,6 +8,7 @@ Requires node properties:
     "murata,ncp21wb473"
     "murata,ncp03wb473"
     "murata,ncp15wl333"
+    "epcos,b57330v2103"

 /* Usage of vendor name "ntc" is deprecated */
 <DEPRECATED>    "ntc,ncp15wb473"
diff --git a/Documentation/hwmon/ntc_thermistor
b/Documentation/hwmon/ntc_thermistor
index 057b770..c5e05e2 100644
--- a/Documentation/hwmon/ntc_thermistor
+++ b/Documentation/hwmon/ntc_thermistor
@@ -6,6 +6,11 @@ Supported thermistors from Murata:
   Prefixes: 'ncp15wb473', 'ncp18wb473', 'ncp21wb473', 'ncp03wb473',
'ncp15wl333'
   Datasheet: Publicly available at Murata

+Supported thermistors from EPCOS:
+* EPCOS NTC Thermistors B57330V2103
+  Prefixes: b57330v2103
+  Datasheet: Publicly available at EPCOS
+
 Other NTC thermistors can be supported simply by adding compensation
 tables; e.g., NCP15WL333 support is added by the table ncpXXwl333.

diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 02d3d85..b34d673 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -1061,7 +1061,7 @@ config SENSORS_NTC_THERMISTOR

       Currently, this driver supports
       NCP15WB473, NCP18WB473, NCP21WB473, NCP03WB473, and NCP15WL333
-      from Murata.
+      from Murata and B57330V2103 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 bdfbe91..25c8deb 100644
--- a/drivers/hwmon/ntc_thermistor.c
+++ b/drivers/hwmon/ntc_thermistor.c
@@ -51,6 +51,7 @@ static const struct platform_device_id ntc_thermistor_id[] = {
     { "ncp21wb473", TYPE_NCPXXWB473 },
     { "ncp03wb473", TYPE_NCPXXWB473 },
     { "ncp15wl333", TYPE_NCPXXWL333 },
+    { "b57330v2103", TYPE_B57330V2103},
     { },
 };

@@ -133,6 +134,47 @@ static const struct ntc_compensation ncpXXwl333[] = {
     { .temp_c    = 125, .ohm    = 707 },
 };

+/*
+ * The following compensation table is from the specification of EPCOS NTC
+ * Thermistors Datasheet
+ */
+static const struct ntc_compensation b57330v2103[] = {
+    { .temp_c    = -40, .ohm    = 190030 },
+    { .temp_c    = -35, .ohm    = 145360 },
+    { .temp_c    = -30, .ohm    = 112060 },
+    { .temp_c    = -25, .ohm    = 87041 },
+    { .temp_c    = -20, .ohm    = 68104 },
+    { .temp_c    = -15, .ohm    = 53665 },
+    { .temp_c    = -10, .ohm    = 42576 },
+    { .temp_c    = -5, .ohm    = 34001 },
+    { .temp_c    = 0, .ohm    = 27326 },
+    { .temp_c    = 5, .ohm    = 22096 },
+    { .temp_c    = 10, .ohm    = 17973 },
+    { .temp_c    = 15, .ohm    = 14703 },
+    { .temp_c    = 20, .ohm    = 12090 },
+    { .temp_c    = 25, .ohm    = 10000 },
+    { .temp_c    = 30, .ohm    = 8311 },
+    { .temp_c    = 35, .ohm    = 6941 },
+    { .temp_c    = 40, .ohm    = 5825 },
+    { .temp_c    = 45, .ohm    = 4911 },
+    { .temp_c    = 50, .ohm    = 4158 },
+    { .temp_c    = 55, .ohm    = 3536 },
+    { .temp_c    = 60, .ohm    = 3019 },
+    { .temp_c    = 65, .ohm    = 2588 },
+    { .temp_c    = 70, .ohm    = 2227 },
+    { .temp_c    = 75, .ohm    = 1924 },
+    { .temp_c    = 80, .ohm    = 1668 },
+    { .temp_c    = 85, .ohm    = 1451 },
+    { .temp_c    = 90, .ohm    = 1266 },
+    { .temp_c    = 95, .ohm    = 1108 },
+    { .temp_c    = 100, .ohm    = 973 },
+    { .temp_c    = 105, .ohm    = 857 },
+    { .temp_c    = 110, .ohm    = 757 },
+    { .temp_c    = 115, .ohm    = 671 },
+    { .temp_c    = 120, .ohm    = 596 },
+    { .temp_c    = 125, .ohm    = 531 },
+};
+
 struct ntc_data {
     struct device *hwmon_dev;
     struct ntc_thermistor_platform_data *pdata;
@@ -173,6 +215,8 @@ static const struct of_device_id ntc_match[] = {
         .data = &ntc_thermistor_id[3] },
     { .compatible = "murata,ncp15wl333",
         .data = &ntc_thermistor_id[4] },
+    { .compatible = "epcos,b57330v2103",
+        .data = &ntc_thermistor_id[5]},

     /* Usage of vendor name "ntc" is deprecated */
     { .compatible = "ntc,ncp15wb473",
@@ -490,6 +534,10 @@ static int ntc_thermistor_probe(struct
platform_device *pdev)
         data->comp = ncpXXwl333;
         data->n_comp = ARRAY_SIZE(ncpXXwl333);
         break;
+    case TYPE_B57330V2103:
+        data->comp = b57330v2103;
+        data->n_comp = ARRAY_SIZE(b57330v2103);
+        break;
     default:
         dev_err(&pdev->dev, "Unknown device type: %lu(%s)\n",
                 pdev_id->driver_data, pdev_id->name);
@@ -546,7 +594,7 @@ static struct platform_driver ntc_thermistor_driver = {

 module_platform_driver(ntc_thermistor_driver);

-MODULE_DESCRIPTION("NTC Thermistor Driver from Murata");
+MODULE_DESCRIPTION("NTC Thermistor Driver");
 MODULE_AUTHOR("MyungJoo Ham <myungjoo.ham@samsung.com>");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:ntc-thermistor");
diff --git a/include/linux/platform_data/ntc_thermistor.h
b/include/linux/platform_data/ntc_thermistor.h
index c7285b5..0a6de4c 100644
--- a/include/linux/platform_data/ntc_thermistor.h
+++ b/include/linux/platform_data/ntc_thermistor.h
@@ -26,6 +26,7 @@ struct iio_channel;
 enum ntc_thermistor_type {
     TYPE_NCPXXWB473,
     TYPE_NCPXXWL333,
+    TYPE_B57330V2103,
 };

 struct ntc_thermistor_platform_data {
-- 
2.0.0

Re: [PATCH 0/2] hwmon: ntc_thermistor: Adds support for EPCOS ntc thermistor

[Guenter Roeck]

On 06/27/2014 05:59 AM, Johannes Pointner wrote:
> The patch series adds support for the ntc thermistor B57330V2103 from
>   EPCOS.
>
> Signed-off-by: Johannes Pointner <johannes.pointner@gmail.com>

Hi Johannes,

you sent two patches in the same e-mail, and it is all corrupted.
All tabs have been replaced with spaces.

Guenter

> ---
>   Documentation/devicetree/bindings/vendor-prefixes.txt | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt
> b/Documentation/devicetree/bindings/vendor-prefixes.txt
> index 46a311e..97c9c06 100644
> --- a/Documentation/devicetree/bindings/vendor-prefixes.txt
> +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
> @@ -42,6 +42,7 @@ dmo    Data Modul AG
>   ebv    EBV Elektronik
>   edt    Emerging Display Technologies
>   emmicro    EM Microelectronic
> +epcos    EPCOS AG
>   epfl    Ecole Polytechnique Fédérale de Lausanne
>   epson    Seiko Epson Corp.
>   est    ESTeem Wireless Modems
>

Re: [PATCH 0/2] hwmon: ntc_thermistor: Adds support for EPCOS ntc thermistor

[Johannes Pointner]

Hello Guenter,

sorry for that, this was my first patch.
I send the patches now separate and with supported email client.

On Friday 27 June 2014 07:28:31 Guenter Roeck wrote:
> On 06/27/2014 05:59 AM, Johannes Pointner wrote:
> > The patch series adds support for the ntc thermistor B57330V2103 from
> > 
> >   EPCOS.
> > 
> > Signed-off-by: Johannes Pointner <johannes.pointner@gmail.com>
> 
> Hi Johannes,
> 
> you sent two patches in the same e-mail, and it is all corrupted.
> All tabs have been replaced with spaces.
> 
> Guenter
> 
> > ---
> > 
> >   Documentation/devicetree/bindings/vendor-prefixes.txt | 1 +
> >   1 file changed, 1 insertion(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt
> > b/Documentation/devicetree/bindings/vendor-prefixes.txt
> > index 46a311e..97c9c06 100644
> > --- a/Documentation/devicetree/bindings/vendor-prefixes.txt
> > +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
> > @@ -42,6 +42,7 @@ dmo    Data Modul AG
> > 
> >   ebv    EBV Elektronik
> >   edt    Emerging Display Technologies
> >   emmicro    EM Microelectronic
> > 
> > +epcos    EPCOS AG
> > 
> >   epfl    Ecole Polytechnique Fédérale de Lausanne
> >   epson    Seiko Epson Corp.
> >   est    ESTeem Wireless Modems

[PATCH 1/2] Adds the vendor prefix "epcos" to vendor-prefixes.txt

[Johannes Pointner]

This patch adds the vendor prefix for "epcos" to the vendor-prefixes.

Signed-off-by: Johannes Pointner <johannes.pointner@gmail.com>
---
 Documentation/devicetree/bindings/vendor-prefixes.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt 
b/Documentation/devicetree/bindings/vendor-prefixes.txt
index 46a311e..97c9c06 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -42,6 +42,7 @@ dmo	Data Modul AG
 ebv	EBV Elektronik
 edt	Emerging Display Technologies
 emmicro	EM Microelectronic
+epcos	EPCOS AG
 epfl	Ecole Polytechnique Fédérale de Lausanne
 epson	Seiko Epson Corp.
 est	ESTeem Wireless Modems
-- 
2.0.0

[PATCH 2/2] Adds support for the ntc thermistor B57330V2103 from EPCOS

[Johannes Pointner]

This patch adds support for the ntc thermistor B57330V2103 from  EPCOS.


Signed-off-by: Johannes Pointner <johannes.pointner@gmail.com>
---
 .../devicetree/bindings/hwmon/ntc_thermistor.txt   |  1 +
 Documentation/hwmon/ntc_thermistor                 |  5 +++
 drivers/hwmon/Kconfig                              |  2 +-
 drivers/hwmon/ntc_thermistor.c                     | 50 
+++++++++++++++++++++-
 include/linux/platform_data/ntc_thermistor.h       |  1 +
 5 files changed, 57 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt 
b/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
index b117b2e..367d4a3 100644
--- a/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
+++ b/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
@@ -8,6 +8,7 @@ Requires node properties:
 	"murata,ncp21wb473"
 	"murata,ncp03wb473"
 	"murata,ncp15wl333"
+	"epcos,b57330v2103"
 
 /* Usage of vendor name "ntc" is deprecated */
 <DEPRECATED>	"ntc,ncp15wb473"
diff --git a/Documentation/hwmon/ntc_thermistor 
b/Documentation/hwmon/ntc_thermistor
index 057b770..c5e05e2 100644
--- a/Documentation/hwmon/ntc_thermistor
+++ b/Documentation/hwmon/ntc_thermistor
@@ -6,6 +6,11 @@ Supported thermistors from Murata:
   Prefixes: 'ncp15wb473', 'ncp18wb473', 'ncp21wb473', 'ncp03wb473', 
'ncp15wl333'
   Datasheet: Publicly available at Murata
 
+Supported thermistors from EPCOS:
+* EPCOS NTC Thermistors B57330V2103
+  Prefixes: b57330v2103
+  Datasheet: Publicly available at EPCOS
+
 Other NTC thermistors can be supported simply by adding compensation
 tables; e.g., NCP15WL333 support is added by the table ncpXXwl333.
 
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 02d3d85..b34d673 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -1061,7 +1061,7 @@ config SENSORS_NTC_THERMISTOR
 
 	  Currently, this driver supports
 	  NCP15WB473, NCP18WB473, NCP21WB473, NCP03WB473, and NCP15WL333
-	  from Murata.
+	  from Murata and B57330V2103 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 bdfbe91..25c8deb 100644
--- a/drivers/hwmon/ntc_thermistor.c
+++ b/drivers/hwmon/ntc_thermistor.c
@@ -51,6 +51,7 @@ static const struct platform_device_id ntc_thermistor_id[] = 
{
 	{ "ncp21wb473", TYPE_NCPXXWB473 },
 	{ "ncp03wb473", TYPE_NCPXXWB473 },
 	{ "ncp15wl333", TYPE_NCPXXWL333 },
+	{ "b57330v2103", TYPE_B57330V2103},
 	{ },
 };
 
@@ -133,6 +134,47 @@ static const struct ntc_compensation ncpXXwl333[] = {
 	{ .temp_c	= 125, .ohm	= 707 },
 };
 
+/*
+ * The following compensation table is from the specification of EPCOS NTC
+ * Thermistors Datasheet
+ */
+static const struct ntc_compensation b57330v2103[] = {
+	{ .temp_c	= -40, .ohm	= 190030 },
+	{ .temp_c	= -35, .ohm	= 145360 },
+	{ .temp_c	= -30, .ohm	= 112060 },
+	{ .temp_c	= -25, .ohm	= 87041 },
+	{ .temp_c	= -20, .ohm	= 68104 },
+	{ .temp_c	= -15, .ohm	= 53665 },
+	{ .temp_c	= -10, .ohm	= 42576 },
+	{ .temp_c	= -5, .ohm	= 34001 },
+	{ .temp_c	= 0, .ohm	= 27326 },
+	{ .temp_c	= 5, .ohm	= 22096 },
+	{ .temp_c	= 10, .ohm	= 17973 },
+	{ .temp_c	= 15, .ohm	= 14703 },
+	{ .temp_c	= 20, .ohm	= 12090 },
+	{ .temp_c	= 25, .ohm	= 10000 },
+	{ .temp_c	= 30, .ohm	= 8311 },
+	{ .temp_c	= 35, .ohm	= 6941 },
+	{ .temp_c	= 40, .ohm	= 5825 },
+	{ .temp_c	= 45, .ohm	= 4911 },
+	{ .temp_c	= 50, .ohm	= 4158 },
+	{ .temp_c	= 55, .ohm	= 3536 },
+	{ .temp_c	= 60, .ohm	= 3019 },
+	{ .temp_c	= 65, .ohm	= 2588 },
+	{ .temp_c	= 70, .ohm	= 2227 },
+	{ .temp_c	= 75, .ohm	= 1924 },
+	{ .temp_c	= 80, .ohm	= 1668 },
+	{ .temp_c	= 85, .ohm	= 1451 },
+	{ .temp_c	= 90, .ohm	= 1266 },
+	{ .temp_c	= 95, .ohm	= 1108 },
+	{ .temp_c	= 100, .ohm	= 973 },
+	{ .temp_c	= 105, .ohm	= 857 },
+	{ .temp_c	= 110, .ohm	= 757 },
+	{ .temp_c	= 115, .ohm	= 671 },
+	{ .temp_c	= 120, .ohm	= 596 },
+	{ .temp_c	= 125, .ohm	= 531 },
+};
+
 struct ntc_data {
 	struct device *hwmon_dev;
 	struct ntc_thermistor_platform_data *pdata;
@@ -173,6 +215,8 @@ static const struct of_device_id ntc_match[] = {
 		.data = &ntc_thermistor_id[3] },
 	{ .compatible = "murata,ncp15wl333",
 		.data = &ntc_thermistor_id[4] },
+	{ .compatible = "epcos,b57330v2103",
+		.data = &ntc_thermistor_id[5]},
 
 	/* Usage of vendor name "ntc" is deprecated */
 	{ .compatible = "ntc,ncp15wb473",
@@ -490,6 +534,10 @@ static int ntc_thermistor_probe(struct platform_device 
*pdev)
 		data->comp = ncpXXwl333;
 		data->n_comp = ARRAY_SIZE(ncpXXwl333);
 		break;
+	case TYPE_B57330V2103:
+		data->comp = b57330v2103;
+		data->n_comp = ARRAY_SIZE(b57330v2103);
+		break;
 	default:
 		dev_err(&pdev->dev, "Unknown device type: %lu(%s)\n",
 				pdev_id->driver_data, pdev_id->name);
@@ -546,7 +594,7 @@ static struct platform_driver ntc_thermistor_driver = {
 
 module_platform_driver(ntc_thermistor_driver);
 
-MODULE_DESCRIPTION("NTC Thermistor Driver from Murata");
+MODULE_DESCRIPTION("NTC Thermistor Driver");
 MODULE_AUTHOR("MyungJoo Ham <myungjoo.ham@samsung.com>");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:ntc-thermistor");
diff --git a/include/linux/platform_data/ntc_thermistor.h 
b/include/linux/platform_data/ntc_thermistor.h
index c7285b5..0a6de4c 100644
--- a/include/linux/platform_data/ntc_thermistor.h
+++ b/include/linux/platform_data/ntc_thermistor.h
@@ -26,6 +26,7 @@ struct iio_channel;
 enum ntc_thermistor_type {
 	TYPE_NCPXXWB473,
 	TYPE_NCPXXWL333,
+	TYPE_B57330V2103,
 };
 
 struct ntc_thermistor_platform_data {
-- 
2.0.0

Re: [PATCH 1/2] Adds the vendor prefix "epcos" to vendor-prefixes.txt

[Guenter Roeck]

On 06/27/2014 10:53 AM, Johannes Pointner wrote:
> This patch adds the vendor prefix for "epcos" to the vendor-prefixes.
>
> Signed-off-by: Johannes Pointner <johannes.pointner@gmail.com>

Copying devicetree mailing list for Ack.

Guenter

> ---
>   Documentation/devicetree/bindings/vendor-prefixes.txt | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt
> b/Documentation/devicetree/bindings/vendor-prefixes.txt
> index 46a311e..97c9c06 100644
> --- a/Documentation/devicetree/bindings/vendor-prefixes.txt
> +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
> @@ -42,6 +42,7 @@ dmo	Data Modul AG
>   ebv	EBV Elektronik
>   edt	Emerging Display Technologies
>   emmicro	EM Microelectronic
> +epcos	EPCOS AG
>   epfl	Ecole Polytechnique Fédérale de Lausanne
>   epson	Seiko Epson Corp.
>   est	ESTeem Wireless Modems
>

Re: [PATCH 2/2] Adds support for the ntc thermistor B57330V2103 from EPCOS

[Guenter Roeck]

On 06/27/2014 11:01 AM, Johannes Pointner wrote:
> This patch adds support for the ntc thermistor B57330V2103 from  EPCOS.
>

/from  EPSOS/from EPCOS/

>
> Signed-off-by: Johannes Pointner <johannes.pointner@gmail.com>
> ---
>   .../devicetree/bindings/hwmon/ntc_thermistor.txt   |  1 +
>   Documentation/hwmon/ntc_thermistor                 |  5 +++
>   drivers/hwmon/Kconfig                              |  2 +-
>   drivers/hwmon/ntc_thermistor.c                     | 50
> +++++++++++++++++++++-
>   include/linux/platform_data/ntc_thermistor.h       |  1 +
>   5 files changed, 57 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
> b/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
> index b117b2e..367d4a3 100644
> --- a/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
> +++ b/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
> @@ -8,6 +8,7 @@ Requires node properties:
>   	"murata,ncp21wb473"
>   	"murata,ncp03wb473"
>   	"murata,ncp15wl333"
> +	"epcos,b57330v2103"

Please keep this list in alphabetical order.

>
>   /* Usage of vendor name "ntc" is deprecated */
>   <DEPRECATED>	"ntc,ncp15wb473"
> diff --git a/Documentation/hwmon/ntc_thermistor
> b/Documentation/hwmon/ntc_thermistor
> index 057b770..c5e05e2 100644
> --- a/Documentation/hwmon/ntc_thermistor
> +++ b/Documentation/hwmon/ntc_thermistor
> @@ -6,6 +6,11 @@ Supported thermistors from Murata:
>     Prefixes: 'ncp15wb473', 'ncp18wb473', 'ncp21wb473', 'ncp03wb473',
> 'ncp15wl333'

Looks like a wrapped line here, which corrupts the patch.


>     Datasheet: Publicly available at Murata
>
> +Supported thermistors from EPCOS:
> +* EPCOS NTC Thermistors B57330V2103
> +  Prefixes: b57330v2103
> +  Datasheet: Publicly available at EPCOS
> +
>   Other NTC thermistors can be supported simply by adding compensation
>   tables; e.g., NCP15WL333 support is added by the table ncpXXwl333.
>
> diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
> index 02d3d85..b34d673 100644
> --- a/drivers/hwmon/Kconfig
> +++ b/drivers/hwmon/Kconfig
> @@ -1061,7 +1061,7 @@ config SENSORS_NTC_THERMISTOR
>
>   	  Currently, this driver supports
>   	  NCP15WB473, NCP18WB473, NCP21WB473, NCP03WB473, and NCP15WL333
> -	  from Murata.
> +	  from Murata and B57330V2103 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 bdfbe91..25c8deb 100644
> --- a/drivers/hwmon/ntc_thermistor.c
> +++ b/drivers/hwmon/ntc_thermistor.c
> @@ -51,6 +51,7 @@ static const struct platform_device_id ntc_thermistor_id[] =
> {
>   	{ "ncp21wb473", TYPE_NCPXXWB473 },
>   	{ "ncp03wb473", TYPE_NCPXXWB473 },
>   	{ "ncp15wl333", TYPE_NCPXXWL333 },
> +	{ "b57330v2103", TYPE_B57330V2103},
>   	{ },
>   };
>
> @@ -133,6 +134,47 @@ static const struct ntc_compensation ncpXXwl333[] = {
>   	{ .temp_c	= 125, .ohm	= 707 },
>   };
>
> +/*
> + * The following compensation table is from the specification of EPCOS NTC
> + * Thermistors Datasheet
> + */
> +static const struct ntc_compensation b57330v2103[] = {
> +	{ .temp_c	= -40, .ohm	= 190030 },
> +	{ .temp_c	= -35, .ohm	= 145360 },
> +	{ .temp_c	= -30, .ohm	= 112060 },
> +	{ .temp_c	= -25, .ohm	= 87041 },
> +	{ .temp_c	= -20, .ohm	= 68104 },
> +	{ .temp_c	= -15, .ohm	= 53665 },
> +	{ .temp_c	= -10, .ohm	= 42576 },
> +	{ .temp_c	= -5, .ohm	= 34001 },
> +	{ .temp_c	= 0, .ohm	= 27326 },
> +	{ .temp_c	= 5, .ohm	= 22096 },
> +	{ .temp_c	= 10, .ohm	= 17973 },
> +	{ .temp_c	= 15, .ohm	= 14703 },
> +	{ .temp_c	= 20, .ohm	= 12090 },
> +	{ .temp_c	= 25, .ohm	= 10000 },
> +	{ .temp_c	= 30, .ohm	= 8311 },
> +	{ .temp_c	= 35, .ohm	= 6941 },
> +	{ .temp_c	= 40, .ohm	= 5825 },
> +	{ .temp_c	= 45, .ohm	= 4911 },
> +	{ .temp_c	= 50, .ohm	= 4158 },
> +	{ .temp_c	= 55, .ohm	= 3536 },
> +	{ .temp_c	= 60, .ohm	= 3019 },
> +	{ .temp_c	= 65, .ohm	= 2588 },
> +	{ .temp_c	= 70, .ohm	= 2227 },
> +	{ .temp_c	= 75, .ohm	= 1924 },
> +	{ .temp_c	= 80, .ohm	= 1668 },
> +	{ .temp_c	= 85, .ohm	= 1451 },
> +	{ .temp_c	= 90, .ohm	= 1266 },
> +	{ .temp_c	= 95, .ohm	= 1108 },
> +	{ .temp_c	= 100, .ohm	= 973 },
> +	{ .temp_c	= 105, .ohm	= 857 },
> +	{ .temp_c	= 110, .ohm	= 757 },
> +	{ .temp_c	= 115, .ohm	= 671 },
> +	{ .temp_c	= 120, .ohm	= 596 },
> +	{ .temp_c	= 125, .ohm	= 531 },
> +};
> +
>   struct ntc_data {
>   	struct device *hwmon_dev;
>   	struct ntc_thermistor_platform_data *pdata;
> @@ -173,6 +215,8 @@ static const struct of_device_id ntc_match[] = {
>   		.data = &ntc_thermistor_id[3] },
>   	{ .compatible = "murata,ncp15wl333",
>   		.data = &ntc_thermistor_id[4] },
> +	{ .compatible = "epcos,b57330v2103",
> +		.data = &ntc_thermistor_id[5]},
>
>   	/* Usage of vendor name "ntc" is deprecated */
>   	{ .compatible = "ntc,ncp15wb473",
> @@ -490,6 +534,10 @@ static int ntc_thermistor_probe(struct platform_device
> *pdev)
>   		data->comp = ncpXXwl333;
>   		data->n_comp = ARRAY_SIZE(ncpXXwl333);
>   		break;
> +	case TYPE_B57330V2103:
> +		data->comp = b57330v2103;
> +		data->n_comp = ARRAY_SIZE(b57330v2103);
> +		break;
>   	default:
>   		dev_err(&pdev->dev, "Unknown device type: %lu(%s)\n",
>   				pdev_id->driver_data, pdev_id->name);
> @@ -546,7 +594,7 @@ static struct platform_driver ntc_thermistor_driver = {
>
>   module_platform_driver(ntc_thermistor_driver);
>
> -MODULE_DESCRIPTION("NTC Thermistor Driver from Murata");
> +MODULE_DESCRIPTION("NTC Thermistor Driver");
>   MODULE_AUTHOR("MyungJoo Ham <myungjoo.ham@samsung.com>");
>   MODULE_LICENSE("GPL");
>   MODULE_ALIAS("platform:ntc-thermistor");
> diff --git a/include/linux/platform_data/ntc_thermistor.h
> b/include/linux/platform_data/ntc_thermistor.h
> index c7285b5..0a6de4c 100644
> --- a/include/linux/platform_data/ntc_thermistor.h
> +++ b/include/linux/platform_data/ntc_thermistor.h
> @@ -26,6 +26,7 @@ struct iio_channel;
>   enum ntc_thermistor_type {
>   	TYPE_NCPXXWB473,
>   	TYPE_NCPXXWL333,
> +	TYPE_B57330V2103,
>   };
>
>   struct ntc_thermistor_platform_data {
>

PATCH 2/2 v2] Adds support for the ntc thermistor B57330V2103 from EPCOS

[Johannes Pointner]

This patch adds support for the ntc thermistor B57330V2103 from EPCOS.

Change since v1:
1. Rearranged compatible node values alphabetically
2. Fixed wrapped line

Signed-off-by: Johannes Pointner <johannes.pointner@gmail.com>
---
 .../devicetree/bindings/hwmon/ntc_thermistor.txt   |  1 +
 Documentation/hwmon/ntc_thermistor                 |  5 +++
 drivers/hwmon/Kconfig                              |  2 +-
 drivers/hwmon/ntc_thermistor.c                     | 50 +++++++++++++++++++++-
 include/linux/platform_data/ntc_thermistor.h       |  1 +
 5 files changed, 57 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt b/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
index b117b2e..2391e5c 100644
--- a/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
+++ b/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
@@ -3,6 +3,7 @@ NTC Thermistor hwmon sensors
 
 Requires node properties:
 - "compatible" value : one of
+	"epcos,b57330v2103"
 	"murata,ncp15wb473"
 	"murata,ncp18wb473"
 	"murata,ncp21wb473"
diff --git a/Documentation/hwmon/ntc_thermistor b/Documentation/hwmon/ntc_thermistor
index 057b770..c5e05e2 100644
--- a/Documentation/hwmon/ntc_thermistor
+++ b/Documentation/hwmon/ntc_thermistor
@@ -6,6 +6,11 @@ Supported thermistors from Murata:
   Prefixes: 'ncp15wb473', 'ncp18wb473', 'ncp21wb473', 'ncp03wb473', 'ncp15wl333'
   Datasheet: Publicly available at Murata
 
+Supported thermistors from EPCOS:
+* EPCOS NTC Thermistors B57330V2103
+  Prefixes: b57330v2103
+  Datasheet: Publicly available at EPCOS
+
 Other NTC thermistors can be supported simply by adding compensation
 tables; e.g., NCP15WL333 support is added by the table ncpXXwl333.
 
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 02d3d85..b34d673 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -1061,7 +1061,7 @@ config SENSORS_NTC_THERMISTOR
 
 	  Currently, this driver supports
 	  NCP15WB473, NCP18WB473, NCP21WB473, NCP03WB473, and NCP15WL333
-	  from Murata.
+	  from Murata and B57330V2103 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 bdfbe91..25c8deb 100644
--- a/drivers/hwmon/ntc_thermistor.c
+++ b/drivers/hwmon/ntc_thermistor.c
@@ -51,6 +51,7 @@ static const struct platform_device_id ntc_thermistor_id[] = {
 	{ "ncp21wb473", TYPE_NCPXXWB473 },
 	{ "ncp03wb473", TYPE_NCPXXWB473 },
 	{ "ncp15wl333", TYPE_NCPXXWL333 },
+	{ "b57330v2103", TYPE_B57330V2103},
 	{ },
 };
 
@@ -133,6 +134,47 @@ static const struct ntc_compensation ncpXXwl333[] = {
 	{ .temp_c	= 125, .ohm	= 707 },
 };
 
+/*
+ * The following compensation table is from the specification of EPCOS NTC
+ * Thermistors Datasheet
+ */
+static const struct ntc_compensation b57330v2103[] = {
+	{ .temp_c	= -40, .ohm	= 190030 },
+	{ .temp_c	= -35, .ohm	= 145360 },
+	{ .temp_c	= -30, .ohm	= 112060 },
+	{ .temp_c	= -25, .ohm	= 87041 },
+	{ .temp_c	= -20, .ohm	= 68104 },
+	{ .temp_c	= -15, .ohm	= 53665 },
+	{ .temp_c	= -10, .ohm	= 42576 },
+	{ .temp_c	= -5, .ohm	= 34001 },
+	{ .temp_c	= 0, .ohm	= 27326 },
+	{ .temp_c	= 5, .ohm	= 22096 },
+	{ .temp_c	= 10, .ohm	= 17973 },
+	{ .temp_c	= 15, .ohm	= 14703 },
+	{ .temp_c	= 20, .ohm	= 12090 },
+	{ .temp_c	= 25, .ohm	= 10000 },
+	{ .temp_c	= 30, .ohm	= 8311 },
+	{ .temp_c	= 35, .ohm	= 6941 },
+	{ .temp_c	= 40, .ohm	= 5825 },
+	{ .temp_c	= 45, .ohm	= 4911 },
+	{ .temp_c	= 50, .ohm	= 4158 },
+	{ .temp_c	= 55, .ohm	= 3536 },
+	{ .temp_c	= 60, .ohm	= 3019 },
+	{ .temp_c	= 65, .ohm	= 2588 },
+	{ .temp_c	= 70, .ohm	= 2227 },
+	{ .temp_c	= 75, .ohm	= 1924 },
+	{ .temp_c	= 80, .ohm	= 1668 },
+	{ .temp_c	= 85, .ohm	= 1451 },
+	{ .temp_c	= 90, .ohm	= 1266 },
+	{ .temp_c	= 95, .ohm	= 1108 },
+	{ .temp_c	= 100, .ohm	= 973 },
+	{ .temp_c	= 105, .ohm	= 857 },
+	{ .temp_c	= 110, .ohm	= 757 },
+	{ .temp_c	= 115, .ohm	= 671 },
+	{ .temp_c	= 120, .ohm	= 596 },
+	{ .temp_c	= 125, .ohm	= 531 },
+};
+
 struct ntc_data {
 	struct device *hwmon_dev;
 	struct ntc_thermistor_platform_data *pdata;
@@ -173,6 +215,8 @@ static const struct of_device_id ntc_match[] = {
 		.data = &ntc_thermistor_id[3] },
 	{ .compatible = "murata,ncp15wl333",
 		.data = &ntc_thermistor_id[4] },
+	{ .compatible = "epcos,b57330v2103",
+		.data = &ntc_thermistor_id[5]},
 
 	/* Usage of vendor name "ntc" is deprecated */
 	{ .compatible = "ntc,ncp15wb473",
@@ -490,6 +534,10 @@ static int ntc_thermistor_probe(struct platform_device *pdev)
 		data->comp = ncpXXwl333;
 		data->n_comp = ARRAY_SIZE(ncpXXwl333);
 		break;
+	case TYPE_B57330V2103:
+		data->comp = b57330v2103;
+		data->n_comp = ARRAY_SIZE(b57330v2103);
+		break;
 	default:
 		dev_err(&pdev->dev, "Unknown device type: %lu(%s)\n",
 				pdev_id->driver_data, pdev_id->name);
@@ -546,7 +594,7 @@ static struct platform_driver ntc_thermistor_driver = {
 
 module_platform_driver(ntc_thermistor_driver);
 
-MODULE_DESCRIPTION("NTC Thermistor Driver from Murata");
+MODULE_DESCRIPTION("NTC Thermistor Driver");
 MODULE_AUTHOR("MyungJoo Ham <myungjoo.ham@samsung.com>");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:ntc-thermistor");
diff --git a/include/linux/platform_data/ntc_thermistor.h b/include/linux/platform_data/ntc_thermistor.h
index c7285b5..0a6de4c 100644
--- a/include/linux/platform_data/ntc_thermistor.h
+++ b/include/linux/platform_data/ntc_thermistor.h
@@ -26,6 +26,7 @@ struct iio_channel;
 enum ntc_thermistor_type {
 	TYPE_NCPXXWB473,
 	TYPE_NCPXXWL333,
+	TYPE_B57330V2103,
 };
 
 struct ntc_thermistor_platform_data {
-- 
2.0.1

Re: PATCH 2/2 v2] Adds support for the ntc thermistor B57330V2103 from EPCOS

[Guenter Roeck]

On Tue, Jul 01, 2014 at 08:05:52AM +0200, Johannes Pointner wrote:
> This patch adds support for the ntc thermistor B57330V2103 from EPCOS.
> 
> Change since v1:
> 1. Rearranged compatible node values alphabetically
> 2. Fixed wrapped line
> 
> Signed-off-by: Johannes Pointner <johannes.pointner@gmail.com>

Copying the devicetree mailing list.

Looks ok to me, though I'll wait a bit to see if there is feedback
on this or the addition of epcos to the list of manufacturers from
the devicetree group. Unless there is negative feedback, I'll queue
it up for 3.17.

Thanks,
Guenter

> ---
>  .../devicetree/bindings/hwmon/ntc_thermistor.txt   |  1 +
>  Documentation/hwmon/ntc_thermistor                 |  5 +++
>  drivers/hwmon/Kconfig                              |  2 +-
>  drivers/hwmon/ntc_thermistor.c                     | 50 +++++++++++++++++++++-
>  include/linux/platform_data/ntc_thermistor.h       |  1 +
>  5 files changed, 57 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt b/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
> index b117b2e..2391e5c 100644
> --- a/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
> +++ b/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
> @@ -3,6 +3,7 @@ NTC Thermistor hwmon sensors
>  
>  Requires node properties:
>  - "compatible" value : one of
> +	"epcos,b57330v2103"
>  	"murata,ncp15wb473"
>  	"murata,ncp18wb473"
>  	"murata,ncp21wb473"
> diff --git a/Documentation/hwmon/ntc_thermistor b/Documentation/hwmon/ntc_thermistor
> index 057b770..c5e05e2 100644
> --- a/Documentation/hwmon/ntc_thermistor
> +++ b/Documentation/hwmon/ntc_thermistor
> @@ -6,6 +6,11 @@ Supported thermistors from Murata:
>    Prefixes: 'ncp15wb473', 'ncp18wb473', 'ncp21wb473', 'ncp03wb473', 'ncp15wl333'
>    Datasheet: Publicly available at Murata
>  
> +Supported thermistors from EPCOS:
> +* EPCOS NTC Thermistors B57330V2103
> +  Prefixes: b57330v2103
> +  Datasheet: Publicly available at EPCOS
> +
>  Other NTC thermistors can be supported simply by adding compensation
>  tables; e.g., NCP15WL333 support is added by the table ncpXXwl333.
>  
> diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
> index 02d3d85..b34d673 100644
> --- a/drivers/hwmon/Kconfig
> +++ b/drivers/hwmon/Kconfig
> @@ -1061,7 +1061,7 @@ config SENSORS_NTC_THERMISTOR
>  
>  	  Currently, this driver supports
>  	  NCP15WB473, NCP18WB473, NCP21WB473, NCP03WB473, and NCP15WL333
> -	  from Murata.
> +	  from Murata and B57330V2103 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 bdfbe91..25c8deb 100644
> --- a/drivers/hwmon/ntc_thermistor.c
> +++ b/drivers/hwmon/ntc_thermistor.c
> @@ -51,6 +51,7 @@ static const struct platform_device_id ntc_thermistor_id[] = {
>  	{ "ncp21wb473", TYPE_NCPXXWB473 },
>  	{ "ncp03wb473", TYPE_NCPXXWB473 },
>  	{ "ncp15wl333", TYPE_NCPXXWL333 },
> +	{ "b57330v2103", TYPE_B57330V2103},
>  	{ },
>  };
>  
> @@ -133,6 +134,47 @@ static const struct ntc_compensation ncpXXwl333[] = {
>  	{ .temp_c	= 125, .ohm	= 707 },
>  };
>  
> +/*
> + * The following compensation table is from the specification of EPCOS NTC
> + * Thermistors Datasheet
> + */
> +static const struct ntc_compensation b57330v2103[] = {
> +	{ .temp_c	= -40, .ohm	= 190030 },
> +	{ .temp_c	= -35, .ohm	= 145360 },
> +	{ .temp_c	= -30, .ohm	= 112060 },
> +	{ .temp_c	= -25, .ohm	= 87041 },
> +	{ .temp_c	= -20, .ohm	= 68104 },
> +	{ .temp_c	= -15, .ohm	= 53665 },
> +	{ .temp_c	= -10, .ohm	= 42576 },
> +	{ .temp_c	= -5, .ohm	= 34001 },
> +	{ .temp_c	= 0, .ohm	= 27326 },
> +	{ .temp_c	= 5, .ohm	= 22096 },
> +	{ .temp_c	= 10, .ohm	= 17973 },
> +	{ .temp_c	= 15, .ohm	= 14703 },
> +	{ .temp_c	= 20, .ohm	= 12090 },
> +	{ .temp_c	= 25, .ohm	= 10000 },
> +	{ .temp_c	= 30, .ohm	= 8311 },
> +	{ .temp_c	= 35, .ohm	= 6941 },
> +	{ .temp_c	= 40, .ohm	= 5825 },
> +	{ .temp_c	= 45, .ohm	= 4911 },
> +	{ .temp_c	= 50, .ohm	= 4158 },
> +	{ .temp_c	= 55, .ohm	= 3536 },
> +	{ .temp_c	= 60, .ohm	= 3019 },
> +	{ .temp_c	= 65, .ohm	= 2588 },
> +	{ .temp_c	= 70, .ohm	= 2227 },
> +	{ .temp_c	= 75, .ohm	= 1924 },
> +	{ .temp_c	= 80, .ohm	= 1668 },
> +	{ .temp_c	= 85, .ohm	= 1451 },
> +	{ .temp_c	= 90, .ohm	= 1266 },
> +	{ .temp_c	= 95, .ohm	= 1108 },
> +	{ .temp_c	= 100, .ohm	= 973 },
> +	{ .temp_c	= 105, .ohm	= 857 },
> +	{ .temp_c	= 110, .ohm	= 757 },
> +	{ .temp_c	= 115, .ohm	= 671 },
> +	{ .temp_c	= 120, .ohm	= 596 },
> +	{ .temp_c	= 125, .ohm	= 531 },
> +};
> +
>  struct ntc_data {
>  	struct device *hwmon_dev;
>  	struct ntc_thermistor_platform_data *pdata;
> @@ -173,6 +215,8 @@ static const struct of_device_id ntc_match[] = {
>  		.data = &ntc_thermistor_id[3] },
>  	{ .compatible = "murata,ncp15wl333",
>  		.data = &ntc_thermistor_id[4] },
> +	{ .compatible = "epcos,b57330v2103",
> +		.data = &ntc_thermistor_id[5]},
>  
>  	/* Usage of vendor name "ntc" is deprecated */
>  	{ .compatible = "ntc,ncp15wb473",
> @@ -490,6 +534,10 @@ static int ntc_thermistor_probe(struct platform_device *pdev)
>  		data->comp = ncpXXwl333;
>  		data->n_comp = ARRAY_SIZE(ncpXXwl333);
>  		break;
> +	case TYPE_B57330V2103:
> +		data->comp = b57330v2103;
> +		data->n_comp = ARRAY_SIZE(b57330v2103);
> +		break;
>  	default:
>  		dev_err(&pdev->dev, "Unknown device type: %lu(%s)\n",
>  				pdev_id->driver_data, pdev_id->name);
> @@ -546,7 +594,7 @@ static struct platform_driver ntc_thermistor_driver = {
>  
>  module_platform_driver(ntc_thermistor_driver);
>  
> -MODULE_DESCRIPTION("NTC Thermistor Driver from Murata");
> +MODULE_DESCRIPTION("NTC Thermistor Driver");
>  MODULE_AUTHOR("MyungJoo Ham <myungjoo.ham@samsung.com>");
>  MODULE_LICENSE("GPL");
>  MODULE_ALIAS("platform:ntc-thermistor");
> diff --git a/include/linux/platform_data/ntc_thermistor.h b/include/linux/platform_data/ntc_thermistor.h
> index c7285b5..0a6de4c 100644
> --- a/include/linux/platform_data/ntc_thermistor.h
> +++ b/include/linux/platform_data/ntc_thermistor.h
> @@ -26,6 +26,7 @@ struct iio_channel;
>  enum ntc_thermistor_type {
>  	TYPE_NCPXXWB473,
>  	TYPE_NCPXXWL333,
> +	TYPE_B57330V2103,
>  };
>  
>  struct ntc_thermistor_platform_data {
> -- 
> 2.0.1
>