[PATCH 1/2] power: goldfish_battery: add devicetree bindings

[Alan <alan@linux.intel.com>]

From: Greg Hackmann <ghackmann@google.com>

Add device tree bindings to the Goldfish virtual platform battery drivers.

Signed-off-by: Greg Hackmann <ghackmann@google.com>
Signed-off-by: Jin Qian <jinqian@android.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
---
 .../devicetree/bindings/goldfish/battery.txt       |   17 +++++++++++++++++
 drivers/power/goldfish_battery.c                   |    9 ++++++++-
 2 files changed, 25 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/devicetree/bindings/goldfish/battery.txt

diff --git a/Documentation/devicetree/bindings/goldfish/battery.txt b/Documentation/devicetree/bindings/goldfish/battery.txt
new file mode 100644
index 0000000..aa09cf8
--- /dev/null
+++ b/Documentation/devicetree/bindings/goldfish/battery.txt
@@ -0,0 +1,17 @@
+Android Goldfish Battery
+
+Android goldfish battery device generated by android emulator.
+
+Required properties:
+
+- compatible : should contain "google,goldfish-battery" to match emulator
+- reg        : <registers mapping>
+- interrupts : <interrupt mapping>
+
+Example:
+
+	goldfish_battery@9020000 {
+		compatible = "google,goldfish-battery";
+		reg = <0x9020000 0x1000>;
+		interrupts = <0x3>;
+	};
diff --git a/drivers/power/goldfish_battery.c b/drivers/power/goldfish_battery.c
index a50bb98..7510796 100644
--- a/drivers/power/goldfish_battery.c
+++ b/drivers/power/goldfish_battery.c
@@ -227,11 +227,18 @@ static int goldfish_battery_remove(struct platform_device *pdev)
 	return 0;
 }
 
+static const struct of_device_id goldfish_battery_of_match[] = {
+	{ .compatible = "google,goldfish-battery", },
+	{},
+};
+MODULE_DEVICE_TABLE(of, goldfish_battery_of_match);
+
 static struct platform_driver goldfish_battery_device = {
 	.probe		= goldfish_battery_probe,
 	.remove		= goldfish_battery_remove,
 	.driver = {
-		.name = "goldfish-battery"
+		.name = "goldfish-battery",
+		.of_match_table = goldfish_battery_of_match,
 	}
 };
 module_platform_driver(goldfish_battery_device);