hwmon: (lm75) Add support for TMP112

TMP112 is compatible to LM75.

Signed-off-by: Frans Klaver <frans.klaver@xsens.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

3 files changed, 13 insertions, 4 deletions

diff --git a/Documentation/hwmon/lm75 b/Documentation/hwmon/lm75
index 2560a9c6d445..c6a5ff1b4641 100644
--- a/Documentation/hwmon/lm75
+++ b/Documentation/hwmon/lm75
@@ -42,13 +42,14 @@ Supported chips:
     Addresses scanned: none
     Datasheet: Publicly available at the ST website
                http://www.st.com/internet/analog/product/121769.jsp
-  * Texas Instruments TMP100, TMP101, TMP105, TMP75, TMP175, TMP275
-    Prefixes: 'tmp100', 'tmp101', 'tmp105', 'tmp175', 'tmp75', 'tmp275'
+  * Texas Instruments TMP100, TMP101, TMP105, TMP112, TMP75, TMP175, TMP275
+    Prefixes: 'tmp100', 'tmp101', 'tmp105', 'tmp112', 'tmp175', 'tmp75', 'tmp275'
     Addresses scanned: none
     Datasheet: Publicly available at the Texas Instruments website
                http://www.ti.com/product/tmp100
                http://www.ti.com/product/tmp101
                http://www.ti.com/product/tmp105
+               http://www.ti.com/product/tmp112
                http://www.ti.com/product/tmp75
                http://www.ti.com/product/tmp175
                http://www.ti.com/product/tmp275
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index a01a166e511b..0c7359c5c317 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -894,8 +894,8 @@ config SENSORS_LM75
                 - NXP's LM75A
                 - ST Microelectronics STDS75
                 - TelCom (now Microchip) TCN75
-                - Texas Instruments TMP100, TMP101, TMP105, TMP75, TMP175,
-                  TMP275
+                - Texas Instruments TMP100, TMP101, TMP105, TMP112, TMP75,
+                  TMP175, TMP275
 
           This driver supports driver model based binding through board
           specific I2C device tables.
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index 479ffbeed3f8..d16dbb33a531 100644
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -52,6 +52,7 @@ enum lm75_type {		/* keep sorted in alphabetical order */
         tmp100,
         tmp101,
         tmp105,
+        tmp112,
         tmp175,
         tmp275,
         tmp75,
@@ -255,6 +256,12 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id)
                 data->sample_time = HZ;
                 clr_mask |= 1 << 7;             /* not one-shot mode */
                 break;
+        case tmp112:
+                set_mask |= 3 << 5;             /* 12-bit mode */
+                clr_mask |= 1 << 7;             /* not one-shot mode */
+                data->resolution = 12;
+                data->sample_time = HZ / 4;
+                break;
         case tmp105:
         case tmp175:
         case tmp275:
@@ -323,6 +330,7 @@ static const struct i2c_device_id lm75_ids[] = {
         { "tmp100", tmp100, },
         { "tmp101", tmp101, },
         { "tmp105", tmp105, },
+        { "tmp112", tmp112, },
         { "tmp175", tmp175, },
         { "tmp275", tmp275, },
         { "tmp75", tmp75, },