Signed-off-by: Dirk Eibach <eibach@xxxxxxxx>
---
Changes since v1:
- removed sysfs from description
- explain channels
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..0f30616
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+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 accessable by the user.
+
+Example:
+ads1015@49 {
+ compatible = "ti,ads1015";
+ reg = <0x49>;
+ exported-channels = <0x14>;
+};
+
+In this example only channel 2 and 4 would be accessable by the user.
--
1.5.6.5
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