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From 09036bbc1f3f3c80cc9f611e4b1fc138a87b9743 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.org>
Date: Thu, 18 May 2017 15:37:49 +0100
Subject: [PATCH 322/454] ov5647: dt: add device tree for PWDN control

Add optional GPIO pwdn to connect to the PWDN line on the sensor.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
---
 Documentation/devicetree/bindings/media/i2c/ov5647.txt | 4 ++++
 1 file changed, 4 insertions(+)

--- a/Documentation/devicetree/bindings/media/i2c/ov5647.txt
+++ b/Documentation/devicetree/bindings/media/i2c/ov5647.txt
@@ -10,6 +10,9 @@ Required properties:
 - reg                  : I2C slave address of the sensor.
 - clocks               : Reference to the xclk clock.
 
+Optional Properties:
+- pwdn-gpios: reference to the GPIO connected to the pwdn pin, if any.
+
 The common video interfaces bindings (see video-interfaces.txt) should be
 used to specify link to the image data receiver. The OV5647 device
 node should contain one 'port' child node with an 'endpoint' subnode.
@@ -26,6 +29,7 @@ Example:
                        compatible = "ovti,ov5647";
                        reg = <0x36>;
                        clocks = <&camera_clk>;
+                       pwdn-gpios = <&pioE 29 GPIO_ACTIVE_HIGH>;
                        port {
                                camera_1: endpoint {
                                        remote-endpoint = <&csi1_ep1>;