linux-kernel - [PATCHv6 4/5] devicetree: Add new ANX7814 SlimPort transmitter binding.

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Message-Id: <1449218107-6590-5-git-send-email-enric.balletbo@collabora.com>
Date:	Fri,  4 Dec 2015 09:35:06 +0100
From:	Enric Balletbo i Serra <eballetbo@...il.com>
To:	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org, devel@...verdev.osuosl.org,
	treding@...dia.com
Cc:	robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	airlied@...ux.ie, gregkh@...uxfoundation.org,
	sjoerd.simons@...labora.co.uk, javier@...hile0.org,
	span@...logixsemi.com, nathan.chung@...iatek.com,
	djkurtz@...omium.org, drinkcat@...omium.org,
	laurent.pinchart@...asonboard.com, dan.carpenter@...cle.com,
	jb.tsai@...iatek.com, cawa.cheng@...iatek.com,
	eddie.huang@...iatek.com, cjiao@...logixsemi.com,
	emil.l.velikov@...il.com
Subject: [PATCHv6 4/5] devicetree: Add new ANX7814 SlimPort transmitter binding.

The ANX7814 is an ultra-low power Full-HD (1080p60) SlimPort transmitter
designed for portable devices.

You can add support to your board with current binding.

Example:

	anx7814: anx7814@38 {
		compatible = "analogix,anx7814";
		reg = <0x38>;
		interrupt-parent = <&gpio0>
		interrupts = <1 IRQ_TYPE_LEVEL_HIGH>;
		pd-gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>;
		reset-gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>;
		v10-gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>;
		ports {
			anx7814_in: endpoint {
				remote-endpoint = <&hdmi0_out>;
			};
		};
	};

Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
---

Changes since last version (requested by Rob Herring)
- Specify how many ports and how many endpoints for each port
- Simplify to just port (dropping ports)
- For cable det use an interrupt instead (to a gpio controller)

 .../devicetree/bindings/video/bridge/anx7814.txt   | 39 ++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/bridge/anx7814.txt

diff --git a/Documentation/devicetree/bindings/video/bridge/anx7814.txt b/Documentation/devicetree/bindings/video/bridge/anx7814.txt
new file mode 100644
index 0000000..4e68789
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/bridge/anx7814.txt
@@ -0,0 +1,39 @@
+Analogix ANX7814 SlimPort (Full-HD Transmitter)
+-----------------------------------------------
+
+The ANX7814 is an ultra-low power Full-HD (1080p60) SlimPort transmitter
+designed for portable devices.
+
+Required properties:
+
+ - compatible		: "analogix,anx7814"
+ - reg			: I2C address of the device
+ - interrupt-parent	: Should be the phandle of the interrupt controller
+			  that services interrupts for this device
+ - interrupts		: Should contain the cable detection interrupt
+ - pd-gpios		: Which GPIO to use for power down
+ - reset-gpios		: Which GPIO to use for reset
+
+Optional properties:
+
+ - v10-gpios		: Which GPIO to use for V10 control.
+ - Video port for HDMI output, using the DT bindings defined in [1].
+
+[1]: Documentation/devicetree/bindings/media/video-interfaces.txt
+
+Example:
+
+	anx7814: anx7814@38 {
+		compatible = "analogix,anx7814";
+		reg = <0x38>;
+		interrupt-parent = <&gpio0>
+		interrupts = <1 IRQ_TYPE_LEVEL_HIGH>;
+		pd-gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>;
+		v10-gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>;
+		ports {
+			anx7814_in: endpoint {
+				remote-endpoint = <&hdmi0_out>;
+			};
+		};
+	};
-- 
2.1.0

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