From 1c643cbdcfaa7e8b4a52bb8555cce60b48d822a2 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.org>
Date: Wed, 31 Oct 2018 14:55:59 +0000
Subject: [PATCH 187/806] [media] Documentation: 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>;