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media: ad5820: DT new optional field enable-gpios

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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>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Ricardo Ribalda Delgado 2019-10-07 10:28:52 -03:00 committed by Mauro Carvalho Chehab
parent 801ef7c491
commit 219ea61a7a
1 changed files with 6 additions and 0 deletions
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6
Documentation/devicetree/bindings/media/i2c/ad5820.txt
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@ -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>;
};