Merge tag 'hwmon-for-linus-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:

 - new drivers for TMP108 and TC654

 - hwmon core code cleanup

 - coretemp driver cleanup

 - fix overflow issues in several drivers

 - minor fixes, cleanups and enhancements in various drivers

* tag 'hwmon-for-linus-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (41 commits)
  hwmon: (g762) Fix overflows and crash seen when writing limit attributes
  hwmon: (emcw201) Fix overflows seen when writing into limit attributes
  hwmon: (emc2103) Fix overflows seen when temperature limit attributes
  hwmon: (lm85) Fix overflows seen when writing voltage limit attributes
  hwmon: (lm87) Fix overflow seen when writing voltage limit attributes
  hwmon: (nct7802) Fix overflows seen when writing into limit attributes
  hwmon: (adt7470) Fix overflows seen when writing into limit attributes
  hwmon: (adt7462) Fix overflows seen when writing into limit attributes
  hwmon: (adm1026) Fix overflows seen when writing into limit attributes
  hwmon: (adm1025) Fix overflows seen when writing voltage limits
  hwmon: (via-cputemp) Convert to hotplug state machine
  devicetree: hwmon: Add documentation for TMP108 driver.
  hwmon: Add Texas Instruments TMP108 temperature sensor driver.
  hwmon: (core) Simplify sysfs attribute name allocation
  hwmon: (core) Rename groups parameter in API to extra_groups
  hwmon: (core) Explain why at least two attribute groups are allocated
  hwmon: (core) Make is_visible callback truly mandatory
  hwmon: (core) Deprecate hwmon_device_register()
  hwmon: (core) Clarify use of chip attributes
  hwmon: (core) Add support for string attributes to new API
  ...

3 files changed, 37 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/hwmon/mcp3021.txt b/Documentation/devicetree/bindings/hwmon/mcp3021.txt
new file mode 100644
index 000000000000..294318ba6914
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/mcp3021.txt
@@ -0,0 +1,21 @@
+mcp3021 properties
+
+Required properties:
+- compatible: Must be one of the following:
+	- "microchip,mcp3021" for mcp3021
+	- "microchip,mcp3221" for mcp3221
+- reg: I2C address
+
+Optional properties:
+
+- reference-voltage-microvolt
+	Reference voltage in microvolt (uV)
+
+Example:
+
+mcp3021@4d {
+	compatible = "microchip,mcp3021";
+	reg = <0x4d>;
+
+	reference-voltage-microvolt = <4500000>; /* 4.5 V */
+};
diff --git a/Documentation/devicetree/bindings/hwmon/tmp108.txt b/Documentation/devicetree/bindings/hwmon/tmp108.txt
new file mode 100644
index 000000000000..8c4b10df86d9
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/tmp108.txt
@@ -0,0 +1,14 @@
+TMP108 temperature sensor
+-------------------------
+
+This device supports I2C only.
+
+Requires node properties:
+- compatible : "ti,tmp108"
+- reg : the I2C address of the device. This is 0x48, 0x49, 0x4a, or 0x4b.
+
+Example:
+	tmp108@48 {
+		compatible = "ti,tmp108";
+		reg = <0x48>;
+	};
diff --git a/Documentation/devicetree/bindings/i2c/trivial-devices.txt b/Documentation/devicetree/bindings/i2c/trivial-devices.txt
index 03349ad5abfa..df720ca00fcf 100644
--- a/Documentation/devicetree/bindings/i2c/trivial-devices.txt
+++ b/Documentation/devicetree/bindings/i2c/trivial-devices.txt
@@ -124,6 +124,8 @@ microchip,mcp4662-502	Microchip 8-bit Dual I2C Digital Potentiometer with NV Mem
 microchip,mcp4662-103	Microchip 8-bit Dual I2C Digital Potentiometer with NV Memory (10k)
 microchip,mcp4662-503	Microchip 8-bit Dual I2C Digital Potentiometer with NV Memory (50k)
 microchip,mcp4662-104	Microchip 8-bit Dual I2C Digital Potentiometer with NV Memory (100k)
+microchip,tc654		PWM Fan Speed Controller With Fan Fault Detection
+microchip,tc655		PWM Fan Speed Controller With Fan Fault Detection
 miramems,da226		MiraMEMS DA226 2-axis 14-bit digital accelerometer
 miramems,da280		MiraMEMS DA280 3-axis 14-bit digital accelerometer
 miramems,da311		MiraMEMS DA311 3-axis 12-bit digital accelerometer