From: Greg Hackmann <ghackmann@xxxxxxxxxx>
Signed-off-by: Greg Hackmann <ghackmann@xxxxxxxxxx>
(cherry picked from commit 3c56d07eb796066530e93a40e74dea3bc59bf4cf)
Signed-off-by: Jin Qian <jinqian@xxxxxxxxxxx>
---
Documentation/devicetree/bindings/goldfish/pipe.txt | 17 +++++++++++++++++
drivers/platform/goldfish/goldfish_pipe.c | 10 +++++++++-
2 files changed, 26 insertions(+), 1 deletion(-)
create mode 100644 Documentation/devicetree/bindings/goldfish/pipe.txt
diff --git a/Documentation/devicetree/bindings/goldfish/pipe.txt b/Documentation/devicetree/bindings/goldfish/pipe.txt
new file mode 100644
index 0000000..6d3801e
--- /dev/null
+++ b/Documentation/devicetree/bindings/goldfish/pipe.txt
@@ -0,0 +1,17 @@
+Android Goldfish QEMU Pipe
+
+Andorid pipe virtual device generated by android emulator.
+
+Required properties:
+
+- compatible : should contain "generic,android-pipe" to match emulator
+- reg : <registers mapping>
+- interrupts : <interrupt mapping>
+
+Example:
+
+ android_pipe@a010000 {
+ compatible = "generic,android-pipe";
+ reg = <ff018000 0x2000>;
+ interrupts = <0x12>;
+ };
diff --git a/drivers/platform/goldfish/goldfish_pipe.c b/drivers/platform/goldfish/goldfish_pipe.c
index 20a9337..86cc57f 100644
--- a/drivers/platform/goldfish/goldfish_pipe.c
+++ b/drivers/platform/goldfish/goldfish_pipe.c
@@ -624,11 +624,19 @@ static int goldfish_pipe_remove(struct platform_device *pdev)
return 0;
}
+static const struct of_device_id goldfish_pipe_of_match[] = {
+ { .compatible = "generic,android-pipe", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, goldfish_pipe_of_match);
+
static struct platform_driver goldfish_pipe = {
.probe = goldfish_pipe_probe,
.remove = goldfish_pipe_remove,
.driver = {
- .name = "goldfish_pipe"
+ .name = "goldfish_pipe",
+ .owner = THIS_MODULE,
+ .of_match_table = goldfish_pipe_of_match,
}
};
--
2.6.0.rc2.230.g3dd15c0
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