hwmon: add driver for Microchip TC74
Add hwmon driver for the Microchip TC74.
The TC74 is a single-input 8-bit I2C temperature sensor,
with +-2 degrees centigrade accuracy.
Signed-off-by: Maciej Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
diff --git a/Documentation/hwmon/tc74 b/Documentation/hwmon/tc74
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index 0000000..43027aa
--- /dev/null
+++ b/Documentation/hwmon/tc74
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+Kernel driver tc74
+====================
+
+Supported chips:
+ * Microchip TC74
+ Prefix: 'tc74'
+ Datasheet: Publicly available at Microchip website.
+
+Description
+-----------
+
+Driver supports the above part.
+
+The tc74 has an 8-bit sensor, with 1 degree centigrade resolution
+and +- 2 degrees centigrade accuracy.
+
+Notes
+-----
+
+Currently entering low power standby mode is not supported.