target/linux/brcm2708/patches-4.19/950-0166-media-Documentation-DT-add-device-tree-for-PWDN-cont.patch

   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>;