linux-kernel - [PATCH v2 1/1] platform: goldfish: pipe: add devicetree bindings

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Message-Id: <1448481582-16991-1-git-send-email-jinqian@android.com>
Date:	Wed, 25 Nov 2015 11:59:37 -0800
From:	Jin Qian <jinqian@...roid.com>
To:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Greg Hackmann <ghackmann@...gle.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Christoffer Dall <christoffer.dall@...aro.org>,
	Joe Perches <joe@...ches.com>,
	Dan Carpenter <dan.carpenter@...cle.com>,
	Peter Senna Tschudin <peter.senna@...il.com>,
	Alex Bennée <alex.bennee@...aro.org>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	Jin Qian <jinqian@...roid.com>
Subject: [PATCH v2 1/1] platform: goldfish: pipe: add devicetree bindings

From: Greg Hackmann <ghackmann@...gle.com>

Signed-off-by: Greg Hackmann <ghackmann@...gle.com>
(cherry picked from commit 3c56d07eb796066530e93a40e74dea3bc59bf4cf)
Signed-off-by: Jin Qian <jinqian@...roid.com>
---
 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@...0000 {
+		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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