Add required documentation for twl6030 GPADC device tree
bindings.
Signed-off-by: Oleksandr Kozaruk <oleksandr.kozaruk@xxxxxx>
---
.../devicetree/bindings/iio/adc/twl6030-gpadc.txt | 45 ++++++++++++++++++++++
1 file changed, 45 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/adc/twl6030-gpadc.txt
diff --git a/Documentation/devicetree/bindings/iio/adc/twl6030-gpadc.txt b/Documentation/devicetree/bindings/iio/adc/twl6030-gpadc.txt
new file mode 100644
index 0000000..6cd3ef3
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/twl6030-gpadc.txt
@@ -0,0 +1,45 @@
+Texas Instruments twl6030/twl6032 GPADC device driver
+
+Required properties:
+ - compatible: must be "ti,twl6030-gpadc" for TWL6030 or
+ "ti,twl6032-gpadc" for TWL6032
+ - interrupts: interrupt number associated with it
+ - #io-channel-cells: must be <1> - multiple IIO outputs are present
+ iio consumers can use following io-channels:
+ twl6030:
+ 0 - battery type
+ 1 - battery temperature resistor value
+ 2 - audio accessory/general purpose
+ 3 - general purpose
+ 4 - temperature/general purpose
+ 5 - general purpose
+ 6 - general purpose
+ 7 - main battery
+ 8 - backup battery
+ 9 - charger input
+ 10 - VBUS
+ 11 - VBUS charging current
+ 14 - USB ID
+ twl6032:
+ 0 - battery type
+ 1 - battery temperature resistor value
+ 2 - audio accessory/general purpose
+ 3 - temperature with external diode/general purpose
+ 4 - temperature/general purpose
+ 5 - general purpose
+ 6 - general purpose
+ 7 - system supply
+ 8 - backup battery
+ 9 - charger input
+ 10 - VBUS
+ 11 - VBUS charging current
+ 14 - USB ID
+ 17 - battery charging current
+ 18 - battery voltage
+
+Example:
+ adc {
+ compatible = "ti,twl6030-gpadc";
+ interrupts = <3>;
+ #io-channel-cells = <1>;
+ };
--
1.8.1.2
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