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[3/3] Documentation: DT: Document twl4030-madc-battery bindings.

Message ID 1393536570-29969-4-git-send-email-marek@goldelico.com
State Superseded, archived
Headers show

Commit Message

Marek Belisko Feb. 27, 2014, 9:29 p.m. UTC 
Signed-off-by: Marek Belisko <marek@goldelico.com>
---
 .../bindings/power_supply/twl4030_madc_battery.txt | 43 ++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/power_supply/twl4030_madc_battery.txt
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diff --git a/Documentation/devicetree/bindings/power_supply/twl4030_madc_battery.txt b/Documentation/devicetree/bindings/power_supply/twl4030_madc_battery.txt
new file mode 100644
index 0000000..fd0b6d2
--- /dev/null
+++ b/Documentation/devicetree/bindings/power_supply/twl4030_madc_battery.txt
@@ -0,0 +1,43 @@ 
+twl4030_madc_battery
+
+Required properties:
+ - compatible : "ti,twl4030-madc-battery"
+ - capacity : battery capacity in uAh
+ - charging-calibration-data : list of voltage(mV):level(%) values
+	for charging calibration (see example)
+ - discharging-calibration-data : list of voltage(mV):level(%) values
+	for discharging calibration (see example)
+ - io-channels: Should contain IIO channel specifiers
+	for each element in io-channel-names.
+- io-channel-names: Should contain the following values:
+ * "temp" - The ADC channel for temperature reading
+ * "ichg" - The ADC channel for battery charging status
+ * "vbat" - The ADC channel to measure the battery voltage
+
+Example:
+	madc-battery {
+		compatible = "ti,twl4030-madc-battery";
+		capacity = <1200000>;
+		charging-calibration-data = <4200 100
+					     4100 75
+					     4000 55
+					     3900 25
+					     3800 5
+					     3700 2
+					     3600 1
+					     3300 0>;
+
+		discharging-calibration-data = <4200 100
+						4100 95
+						4000 70
+						3800 50
+						3700 10
+						3600 5
+						3300 0>;
+		io-channels = <&twl_madc 1>,
+	                      <&twl_madc 10>,
+			      <&twl_madc 12>;
+		io-channel-names = "temp",
+		                   "ichg",
+		                   "vbat";
+	};