linux-kernel - [PATCH 07/13] s5p-tv: Add initial DT-support for TV mixer

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Message-id: <1334256332-29867-8-git-send-email-k.lewandowsk@samsung.com>
Date:	Thu, 12 Apr 2012 20:45:26 +0200
From:	Karol Lewandowski <k.lewandowsk@...sung.com>
To:	linux-samsung-soc@...r.kernel.org
Cc:	devicetree-discuss@...ts.ozlabs.org, thomas.abraham@...aro.org,
	m.szyprowski@...sung.com, kyungmin.park@...sung.com,
	linux-kernel@...r.kernel.org, olof@...om.net,
	kgene.kim@...sung.com,
	Karol Lewandowski <k.lewandowsk@...sung.com>,
	Tomasz Stanislawski <t.stanislaws@...sung.com>
Subject: [PATCH 07/13] s5p-tv: Add initial DT-support for TV mixer

Signed-off-by: Karol Lewandowski <k.lewandowsk@...sung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com>
Cc: Tomasz Stanislawski <t.stanislaws@...sung.com>
---
 .../devicetree/bindings/arm/exynos/tvmixer.txt     |   26 ++++++++++++++++++++
 drivers/media/video/s5p-tv/mixer_drv.c             |    9 +++++++
 2 files changed, 35 insertions(+), 0 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/arm/exynos/tvmixer.txt

diff --git a/Documentation/devicetree/bindings/arm/exynos/tvmixer.txt b/Documentation/devicetree/bindings/arm/exynos/tvmixer.txt
new file mode 100644
index 0000000..5b4f02e
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/exynos/tvmixer.txt
@@ -0,0 +1,26 @@
+* Samsung video/graphics mixer and blender
+
+Mixer blends graphics data from multiple sources and sends resulting
+data to TVOUT module.
+
+
+Required properties:
+
+ - compatible : "samsung,s5pv210-tvmixer"
+ - reg : shall contain memory addresses and sizes of mixer and video
+   processor devices
+ - reg-names : "mxr" for mixer's address/size and "vp" to for video
+   processor's.
+ - interrupt-names : shall contain "irq"
+
+
+Example:
+
+	tvmixer@...10000 {
+		compatible = "samsung,s5pv210-tvmixer";
+		reg = <0x12c10000 0x10000>,
+		      <0x12c00000 0x10000>;
+		reg-names = "mxr", "vp";
+		interrupts = <0 123 0>;
+		interrupt-names = "irq";
+	};
diff --git a/drivers/media/video/s5p-tv/mixer_drv.c b/drivers/media/video/s5p-tv/mixer_drv.c
index a2c0c25..80b7755 100644
--- a/drivers/media/video/s5p-tv/mixer_drv.c
+++ b/drivers/media/video/s5p-tv/mixer_drv.c
@@ -448,6 +448,14 @@ static int __devexit mxr_remove(struct platform_device *pdev)
 	return 0;
 }
 
+#ifdef CONFIG_OF
+static const struct of_device_id mxr_dt_match[] = {
+	{ .compatible = "samsung,s5pv210-tvmixer" },
+	{ },
+};
+MODULE_DEVICE_TABLE(of, mxr_dt_match);
+#endif
+
 static struct platform_driver mxr_driver __refdata = {
 	.probe = mxr_probe,
 	.remove = __devexit_p(mxr_remove),
@@ -455,6 +463,7 @@ static struct platform_driver mxr_driver __refdata = {
 		.name = MXR_DRIVER_NAME,
 		.owner = THIS_MODULE,
 		.pm = &mxr_pm_ops,
+		.of_match_table = of_match_ptr(mxr_dt_match),
 	}
 };
 
-- 
1.7.9.1

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