[PATCH v3] hwmon: (ads1015) Add devicetree documentation

[Dirk Eibach]

Signed-off-by: Dirk Eibach <eibach@xxxxxxxx>
---
Changes since v1:
- removed sysfs from description
- explain channels 

Changes since v2:
- Replaced 'accessable' by 'accessible'.

 Documentation/devicetree/bindings/i2c/ads1015.txt |   29 +++++++++++++++++++++
 1 files changed, 29 insertions(+), 0 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/i2c/ads1015.txt

diff --git a/Documentation/devicetree/bindings/i2c/ads1015.txt b/Documentation/devicetree/bindings/i2c/ads1015.txt
new file mode 100644
index 0000000..985e24d
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/ads1015.txt
@@ -0,0 +1,29 @@
+ADS1015 (I2C)
+
+This device is a 12-bit A-D converter with 4 inputs.
+
+The inputs can be used single ended or in certain differential combinations.
+
+For configuration all possible combinations are mapped to 8 channels:
+0: Voltage over AIN0 and AIN1.
+1: Voltage over AIN0 and AIN3.
+2: Voltage over AIN1 and AIN3.
+3: Voltage over AIN2 and AIN3.
+4: Voltage over AIN0 and GND.
+5: Voltage over AIN1 and GND.
+6: Voltage over AIN2 and GND.
+7: Voltage over AIN3 and GND.
+
+Optional properties:
+
+ - exported-channels : exported_channels is a bitmask that specifies which
+		       channels should be accessible by the user.
+
+Example:
+ads1015@49 {
+	compatible = "ti,ads1015";
+	reg = <0x49>;
+	exported-channels = <0x14>;
+};
+
+In this example only channel 2 and 4 would be accessible by the user.
-- 
1.5.6.5

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