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drivers: tty: goldfish: Add device tree bindings 

Enable support for registering this device using the device tree.
Device tree node example for registering Goldfish TTY device :

goldfish_tty@1f004000 {
    interrupts = <0xc>;
    reg = <0x1f004000 0x1000>;
    compatible = "google,goldfish-tty";
};

Signed-off-by: Miodrag Dinic <miodrag.dinic@imgtec.com>
Signed-off-by: Jin Qian <jinqian@android.com>
Signed-off-by: Alan <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
4.6.x
Miodrag Dinic 2016-02-26 19:00:44 +00:00 committed by Greg Kroah-Hartman
parent 106020ccee
commit 9b883eea26
2 changed files with 26 additions and 1 deletions
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17
Documentation/devicetree/bindings/goldfish/tty.txt 100644
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@ -0,0 +1,17 @@
Android Goldfish TTY
Android goldfish tty device generated by android emulator.
Required properties:
- compatible : should contain "google,goldfish-tty" to match emulator
- reg : <registers mapping>
- interrupts : <interrupt mapping>
Example:
goldfish_tty@1f004000 {
compatible = "google,goldfish-tty";
reg = <0x1f004000 0x1000>;
interrupts = <0xc>;
};

10
drivers/tty/goldfish.c
View File

@ -324,11 +324,19 @@ static int goldfish_tty_remove(struct platform_device *pdev)
return 0;
}
static const struct of_device_id goldfish_tty_of_match[] = {
{ .compatible = "google,goldfish-tty", },
{},
};
MODULE_DEVICE_TABLE(of, goldfish_tty_of_match);
static struct platform_driver goldfish_tty_platform_driver = {
.probe = goldfish_tty_probe,
.remove = goldfish_tty_remove,
.driver = {
.name = "goldfish_tty"
.name = "goldfish_tty",
.of_match_table = goldfish_tty_of_match,
}
};