dt-bindings: power: supply: bq25890: Document required interrupt

The driver requires interrupts (fails probe if it is not provided) so
document this requirement in bindings.

Fixes: 4aeae9cb0dad ("power_supply: Add support for TI BQ25890 charger chip")
Cc: <stable@vger.kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

diff --git a/Documentation/devicetree/bindings/power/supply/bq25890.txt b/Documentation/devicetree/bindings/power/supply/bq25890.txt
index 51ecc756521f0bf1d54a63510add7342768fb0ea..3b4c69a7fa705259585cd90b5e6f394935304661 100644 (file)
--- a/Documentation/devicetree/bindings/power/supply/bq25890.txt
+++ b/Documentation/devicetree/bindings/power/supply/bq25890.txt
@@ -10,6 +10,7 @@ Required properties:
     * "ti,bq25895"
     * "ti,bq25896"
 - reg: integer, i2c address of the device.
+- interrupts: interrupt line;
 - ti,battery-regulation-voltage: integer, maximum charging voltage (in uV);
 - ti,charge-current: integer, maximum charging current (in uA);
 - ti,termination-current: integer, charge will be terminated when current in
@@ -39,6 +40,9 @@ bq25890 {
        compatible = "ti,bq25890";
        reg = <0x6a>;
 
+       interrupt-parent = <&gpio1>;
+       interrupts = <16 IRQ_TYPE_EDGE_FALLING>;
+
        ti,battery-regulation-voltage = <4200000>;
        ti,charge-current = <1000000>;
        ti,termination-current = <50000>;