[PATCH 3/4] [media] ad5820: DT new optional field enable-gpios

Ricardo Ribalda Delgado
2018-09-20T22:03:35Z

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 <ricardo.ribalda@gmail.com>
---
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..07d577bb37f7 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. If specified, it will be
+ asserted when VANA-supply is enabled.
+
Example:

ad5820: coil@c {
@@ -15,5 +20,6 @@ Example:
reg = <0x0c>;

VANA-supply = <&vaux4>;
+ enable-gpios = <&msmgpio 26 GPIO_ACTIVE_HIGH>;
};

--
2.18.0