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From: Ricardo Ribalda Delgado <ribalda@kernel.org>
To: Pavel Machek <pavel@ucw.cz>, Sakari Ailus <sakari.ailus@iki.fi>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	linux-media@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Ricardo Ribalda Delgado <ribalda@kernel.org>,
	devicetree@vger.kernel.org,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Rob Herring <robh@kernel.org>
Subject: [PATCH v7 2/6] ad5820: DT new optional field enable-gpios
Date: Mon,  7 Oct 2019 15:20:41 +0200	[thread overview]
Message-ID: <20191007132050.27298-4-ribalda@kernel.org> (raw)
In-Reply-To: <20191007132050.27298-1-ribalda@kernel.org>

Document new enable-gpio field. It can be used to disable the part
without turning down its regulator.

Cc: devicetree@vger.kernel.org
Signed-off-by: Ricardo Ribalda Delgado <ribalda@kernel.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
 Documentation/devicetree/bindings/media/i2c/ad5820.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/media/i2c/ad5820.txt b/Documentation/devicetree/bindings/media/i2c/ad5820.txt
index 5940ca11c021..db596e8eb0ba 100644
--- a/Documentation/devicetree/bindings/media/i2c/ad5820.txt
+++ b/Documentation/devicetree/bindings/media/i2c/ad5820.txt
@@ -8,6 +8,11 @@ Required Properties:
 
   - VANA-supply: supply of voltage for VANA pin
 
+Optional properties:
+
+   - enable-gpios : GPIO spec for the XSHUTDOWN pin. The XSHUTDOWN signal is
+active low, a high level on the pin enables the device.
+
 Example:
 
        ad5820: coil@c {
@@ -15,5 +20,6 @@ Example:
                reg = <0x0c>;
 
                VANA-supply = <&vaux4>;
+               enable-gpios = <&msmgpio 26 GPIO_ACTIVE_HIGH>;
        };
 
-- 
2.23.0


  parent reply	other threads:[~2019-10-07 13:22 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-07 13:20 [PATCH v7 0/6] ad5820: Multiple fixes Ricardo Ribalda Delgado
2019-10-07 13:20 ` [PATCH v7 1/6] ad5820: Define entity function Ricardo Ribalda Delgado
2019-10-07 13:20 ` [PATCH v7 1/6] media: " Ricardo Ribalda Delgado
2019-10-07 13:20 ` Ricardo Ribalda Delgado [this message]
2019-10-07 13:20 ` [PATCH v7 2/6] media: ad5820: DT new optional field enable-gpios Ricardo Ribalda Delgado
2019-10-07 13:20 ` [PATCH v7 3/6] ad5820: Add support for enable pin Ricardo Ribalda Delgado
2019-10-07 13:20 ` [PATCH v7 3/6] media: " Ricardo Ribalda Delgado
2019-10-07 13:20 ` [PATCH v7 4/6] ad5820: Add support for of-autoload Ricardo Ribalda Delgado
2019-10-07 13:20 ` [PATCH v7 4/6] media: " Ricardo Ribalda Delgado
2019-10-07 13:20 ` [PATCH v7 5/6] ad5820: DT new compatible devices Ricardo Ribalda Delgado
2019-10-07 13:20 ` [PATCH v7 5/6] media: " Ricardo Ribalda Delgado
2019-10-07 13:20 ` [PATCH v7 6/6] ad5820: Add support for ad5821 and ad5823 Ricardo Ribalda Delgado
2019-10-07 13:20 ` [PATCH v7 6/6] media: " Ricardo Ribalda Delgado

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