From 9b883eea26ccf043b608e398cf6a26231d44f5fb Mon Sep 17 00:00:00 2001 From: Miodrag Dinic Date: Fri, 26 Feb 2016 19:00:44 +0000 Subject: [PATCH] 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 Signed-off-by: Jin Qian Signed-off-by: Alan Signed-off-by: Greg Kroah-Hartman --- Documentation/devicetree/bindings/goldfish/tty.txt | 17 +++++++++++++++++ drivers/tty/goldfish.c | 10 +++++++++- 2 files changed, 26 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/goldfish/tty.txt diff --git a/Documentation/devicetree/bindings/goldfish/tty.txt b/Documentation/devicetree/bindings/goldfish/tty.txt new file mode 100644 index 0000000..8264827 --- /dev/null +++ b/Documentation/devicetree/bindings/goldfish/tty.txt @@ -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 : +- interrupts : + +Example: + + goldfish_tty@1f004000 { + compatible = "google,goldfish-tty"; + reg = <0x1f004000 0x1000>; + interrupts = <0xc>; + }; diff --git a/drivers/tty/goldfish.c b/drivers/tty/goldfish.c index 752232c..1b3142c 100644 --- a/drivers/tty/goldfish.c +++ b/drivers/tty/goldfish.c @@ -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, } }; -- 2.7.4