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authorRicardo Ribalda Delgado <ribalda@kernel.org>2019-10-07 10:28:52 -0300
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2019-10-24 18:43:29 -0300
commit219ea61a7acbb6279ce1a880feb8818a26d26bd6 (patch)
tree78fb6d219b628cb0bd5d0e65d82300c02aa53de0 /Documentation
parent801ef7c4919efba6b96b5aed1e72844ca69e26d3 (diff)
media: ad5820: DT new optional field enable-gpios
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>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/media/i2c/ad5820.txt6
1 files changed, 6 insertions, 0 deletions
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>;
};

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