42dc7e1bc708faa2b0527f540d4e7a5a0c33d304
[oweals/openwrt.git] /
1 From 1c643cbdcfaa7e8b4a52bb8555cce60b48d822a2 Mon Sep 17 00:00:00 2001
2 From: Dave Stevenson <dave.stevenson@raspberrypi.org>
3 Date: Wed, 31 Oct 2018 14:55:59 +0000
4 Subject: [PATCH] Documentation: DT: add device tree for PWDN
5  control
6
7 Add optional GPIO pwdn to connect to the PWDN line on the sensor.
8
9 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
10 ---
11  Documentation/devicetree/bindings/media/i2c/ov5647.txt | 4 ++++
12  1 file changed, 4 insertions(+)
13
14 --- a/Documentation/devicetree/bindings/media/i2c/ov5647.txt
15 +++ b/Documentation/devicetree/bindings/media/i2c/ov5647.txt
16 @@ -10,6 +10,9 @@ Required properties:
17  - reg                  : I2C slave address of the sensor.
18  - clocks               : Reference to the xclk clock.
19  
20 +Optional Properties:
21 +- pwdn-gpios: reference to the GPIO connected to the pwdn pin, if any.
22 +
23  The common video interfaces bindings (see video-interfaces.txt) should be
24  used to specify link to the image data receiver. The OV5647 device
25  node should contain one 'port' child node with an 'endpoint' subnode.
26 @@ -26,6 +29,7 @@ Example:
27                         compatible = "ovti,ov5647";
28                         reg = <0x36>;
29                         clocks = <&camera_clk>;
30 +                       pwdn-gpios = <&pioE 29 GPIO_ACTIVE_HIGH>;
31                         port {
32                                 camera_1: endpoint {
33                                         remote-endpoint = <&csi1_ep1>;