Document new enable-gpio field. It can be used to disable the part
without turning down its regulator.
Cc: devicet...@vger.kernel.org
Signed-off-by: Ricardo Ribalda Delgado <riba...@kernel.org>
Acked-by: Pavel Machek <pa...@ucw.cz>
Reviewed-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Reviewed-by: Rob Herring <r...@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
