BACKPORT: Input: goldfish_events - add devicetree bindings

Add device tree bindings to the Goldfish virtual platform event driver.

Signed-off-by: Greg Hackmann <ghackmann@google.com>
Signed-off-by: Jin Qian <jinqian@android.com>
Signed-off-by: Alan <alan@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
(cherry picked from commit 8c5dc5a1ada2b79259e55a4bd150135d23529c6a)

Change-Id: I677d8e0d92294f53f7cc5a79300b6462b65e8aad

diff --git a/Documentation/devicetree/bindings/goldfish/events.txt b/Documentation/devicetree/bindings/goldfish/events.txt
new file mode 100644 (file)
index 0000000..5babf46
--- /dev/null
+++ b/Documentation/devicetree/bindings/goldfish/events.txt
@@ -0,0 +1,17 @@
+Android Goldfish Events Keypad
+
+Android goldfish events keypad device generated by android emulator.
+
+Required properties:
+
+- compatible : should contain "google,goldfish-events-keypad" to match emulator
+- reg        : <registers mapping>
+- interrupts : <interrupt mapping>
+
+Example:
+
+       goldfish-events@9040000 {
+               compatible = "google,goldfish-events-keypad";
+               reg = <0x9040000 0x1000>;
+               interrupts = <0x5>;
+       };

diff --git a/drivers/input/keyboard/goldfish_events.c b/drivers/input/keyboard/goldfish_events.c
index 907e4e278fce1dc8f85777b90354ecd5cecd6e36..b11d218604a74f67ef1e38acac05a7e929894ea2 100644 (file)
--- a/drivers/input/keyboard/goldfish_events.c
+++ b/drivers/input/keyboard/goldfish_events.c
@@ -178,10 +178,17 @@ static int events_probe(struct platform_device *pdev)
        return 0;
 }
 
+static const struct of_device_id goldfish_events_of_match[] = {
+       { .compatible = "google,goldfish-events-keypad", },
+       {},
+};
+MODULE_DEVICE_TABLE(of, goldfish_events_of_match);
+
 static struct platform_driver events_driver = {
        .probe  = events_probe,
        .driver = {
                .name   = "goldfish_events",
+               .of_match_table = goldfish_events_of_match,
        },
 };