linux-kernel - [PATCH v5] media: et8ek8: add device tree binding documentation

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Message-ID: <20161107104648.GB5326@amd>
Date:   Mon, 7 Nov 2016 11:46:48 +0100
From:   Pavel Machek <pavel@....cz>
To:     Rob Herring <robh@...nel.org>
Cc:     ivo.g.dimitrov.75@...il.com, sakari.ailus@....fi, sre@...nel.org,
        pali.rohar@...il.com, linux-media@...r.kernel.org,
        pawel.moll@....com, mark.rutland@....com,
        ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
        mchehab@....samsung.com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v5] media: et8ek8: add device tree binding documentation

Add device tree binding documentation for toshiba et8ek8 sensor.

Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>
Signed-off-by: Pavel Machek <pavel@....cz>

diff --git a/Documentation/devicetree/bindings/media/i2c/toshiba,et8ek8.txt b/Documentation/devicetree/bindings/media/i2c/toshiba,et8ek8.txt
new file mode 100644
index 0000000..b03b21d
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/toshiba,et8ek8.txt
@@ -0,0 +1,53 @@
+Toshiba et8ek8 5MP sensor
+
+Toshiba et8ek8 5MP sensor is an image sensor found in Nokia N900 device
+
+More detailed documentation can be found in
+Documentation/devicetree/bindings/media/video-interfaces.txt .
+
+
+Mandatory properties
+--------------------
+
+- compatible: "toshiba,et8ek8"
+- reg: I2C address (0x3e, or an alternative address)
+- vana-supply: Analogue voltage supply (VANA), 2.8 volts
+- clocks: External clock to the sensor
+- clock-frequency: Frequency of the external clock to the sensor. Camera
+  driver will set this frequency on the external clock. The clock frequency is
+  a pre-determined frequency known to be suitable to the board.
+- reset-gpios: XSHUTDOWN GPIO. The XSHUTDOWN signal is active high. The sensor
+  is in hardware standby mode when the signal is in low state.
+
+
+Endpoint node mandatory properties
+----------------------------------
+
+- remote-endpoint: A phandle to the bus receiver's endpoint node.
+
+Endpoint node optional properties
+----------------------------------
+
+- clock-lanes: <0>
+- data-lanes: <1..n>
+
+Example
+-------
+
+&i2c3 {
+	clock-frequency = <400000>;
+
+	cam1: camera@3e {
+		compatible = "toshiba,et8ek8";
+		reg = <0x3e>;
+		vana-supply = <&vaux4>;
+		clocks = <&isp 0>;
+		clock-frequency = <9600000>;
+		reset-gpio = <&gpio4 6 GPIO_ACTIVE_HIGH>; /* 102 */
+		port {
+			csi_cam1: endpoint {
+				remote-endpoint = <&csi_out1>;
+			};
+		};
+	};
+};


-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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