linux-kernel - [Patch v3 5/8] media: dt-bindings: ov2659: add powerdown/reset-gpios optional property

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Message-ID: <20190924164414.21897-6-bparrot@ti.com>
Date:   Tue, 24 Sep 2019 11:44:11 -0500
From:   Benoit Parrot <bparrot@...com>
To:     Hans Verkuil <hverkuil@...all.nl>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>
CC:     Prabhakar Lad <prabhakar.csengg@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        <linux-media@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Benoit Parrot <bparrot@...com>
Subject: [Patch v3 5/8] media: dt-bindings: ov2659: add powerdown/reset-gpios optional property

Add powerdown-gpios and reset-gpios to the list of optional properties
for the OV2659 camera sensor.

Signed-off-by: Benoit Parrot <bparrot@...com>
---
 Documentation/devicetree/bindings/media/i2c/ov2659.txt | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/media/i2c/ov2659.txt b/Documentation/devicetree/bindings/media/i2c/ov2659.txt
index cabc7d827dfb..92989a619f29 100644
--- a/Documentation/devicetree/bindings/media/i2c/ov2659.txt
+++ b/Documentation/devicetree/bindings/media/i2c/ov2659.txt
@@ -12,6 +12,12 @@ Required Properties:
 - clock-names: should be "xvclk".
 - link-frequencies: target pixel clock frequency.
 
+Optional Properties:
+- powerdown-gpios: reference to the GPIO connected to the pwdn pin, if any.
+  Active high with internal pull down resistor.
+- reset-gpios: reference to the GPIO connected to the resetb pin, if any.
+  Active low with internal pull up resistor.
+
 For further reading on port node refer to
 Documentation/devicetree/bindings/media/video-interfaces.txt.
 
@@ -27,6 +33,9 @@ Example:
 			clocks = <&clk_ov2659 0>;
 			clock-names = "xvclk";
 
+			powerdown-gpios = <&gpio6 14 GPIO_ACTIVE_HIGH>;
+			reset-gpios = <&gpio6 15 GPIO_ACTIVE_LOW>;
+
 			port {
 				ov2659_0: endpoint {
 					remote-endpoint = <&vpfe_ep>;
-- 
2.17.1