Hi,
On 21-03-17 23:09, Liam Breck wrote:
From: Liam Breck <kernel@xxxxxxxxxxxxxxxxx>
Document monitored-battery and ti,system-minimum-microvolt properties.
Cc: Rob Herring <robh@xxxxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
Signed-off-by: Liam Breck <kernel@xxxxxxxxxxxxxxxxx>
Looks good to me:
Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Regards,
Hans
---
.../devicetree/bindings/power/supply/bq24190.txt | 47 ++++++++++++++++++++++
1 file changed, 47 insertions(+)
create mode 100644 Documentation/devicetree/bindings/power/supply/bq24190.txt
diff --git a/Documentation/devicetree/bindings/power/supply/bq24190.txt b/Documentation/devicetree/bindings/power/supply/bq24190.txt
new file mode 100644
index 0000000..d252d10
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/supply/bq24190.txt
@@ -0,0 +1,47 @@
+Binding for TI BQ24190 Li-Ion Battery Charger
+
+Required properties:
+- compatible: Should contain one of the following:
+ * "ti,bq24190"
+- reg: integer, I2C address of the device.
+
+Optional properties:
+- monitored-battery: phandle of battery information devicetree node
+ These battery properties are relevant:
+ + precharge-current-microamp: maximum charge current during precharge
+ phase (typically 20% of battery capacity).
+ + endcharge-current-microamp: a charge cycle terminates when the
+ battery voltage is above recharge threshold, and the current is below
+ this setting (typically 10% of battery capacity).
+ See Documentation/devicetree/bindings/power/supply/battery.txt
+- ti,system-minimum-microvolt: when power is connected and the battery
+ is below minimum system voltage, the system will be regulated above this
+ setting.
+
+Other features:
+- Use gpio-hog to set the OTG pin high to enable 500mA charge current on USB SDP port.
+
+Example:
+
+bat: battery {
+ compatible = "simple-battery";
+ precharge-current-microamp = <256000>;
+ endcharge-current-microamp = <128000>;
+};
+
+bq24190 charger@6a {
+ compatible = "ti,bq24190";
+ reg = <0x6a>;
+ // interrupt configuration here
+ monitored-battery = <&bat>;
+ ti,system-minimum-microvolt = <3200000>;
+};
+
+&twl_gpio {
+ otg {
+ gpio-hog;
+ gpios = <6 0>;
+ output-high;
+ line-name = "otg-gpio";
+ };
+};
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