linux-kernel - [RFC 2/2] [media] Ad DT binding documentation for si4713

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Message-Id: <1396785125-8759-3-git-send-email-sre@kernel.org>
Date:	Sun,  6 Apr 2014 13:52:05 +0200
From:	Sebastian Reichel <sre@...nel.org>
To:	linux-media@...r.kernel.org
Cc:	Tony Lindgren <tony@...mide.com>,
	Eduardo Valentin <edubezval@...il.com>,
	Mauro Carvalho Chehab <m.chehab@...sung.com>,
	Hans Verkuil <hans.verkuil@...co.com>,
	Dinesh Ram <Dinesh.Ram@...n.ch>,
	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>, linux-omap@...r.kernel.org,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	Sebastian Reichel <sre@...nel.org>
Subject: [RFC 2/2] [media] Ad DT binding documentation for si4713

This patch adds the DT bindings documentation for Silicon Labs Si4713 FM
radio transmitter.

Signed-off-by: Sebastian Reichel <sre@...nel.org>
---
 Documentation/devicetree/bindings/media/si4713.txt | 30 ++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/si4713.txt

diff --git a/Documentation/devicetree/bindings/media/si4713.txt b/Documentation/devicetree/bindings/media/si4713.txt
new file mode 100644
index 0000000..5ee5552
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/si4713.txt
@@ -0,0 +1,30 @@
+* Silicon Labs FM Radio transmitter
+
+The Silicon Labs Si4713 is an FM radio transmitter with receive power scan
+supporting 76-108 MHz. It includes an RDS encoder and has both, a stereo-analog
+and a digital interface, which supports I2S, left-justified and a custom
+DSP-mode format. It is programmable through an I2C interface.
+
+Required Properties:
+- compatible: Should contain "silabs,si4713"
+- reg: the I2C address of the device
+
+Optional Properties:
+- interrupts-extended: Interrupt specifier for the chips interrupt
+- reset-gpios: GPIO specifier for the chips reset line
+- vdd-supply: phandle for Vdd regulator
+- vio-supply: phandle for Vio regulator
+
+Example:
+
+&i2c2 {
+        fmtx: si4713@63 {
+                compatible = "silabs,si4713";
+                reg = <0x63>;
+
+                interrupts-extended = <&gpio2 21 IRQ_TYPE_EDGE_FALLING>; /* 53 */
+                reset-gpios = <&gpio6 3 GPIO_ACTIVE_HIGH>; /* 163 */
+                vio-supply = <&vio>;
+                vdd-supply = <&vaux1>;
+        };
+};
-- 
1.9.1

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