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media: dt-bindings: adv7604: Fix documentation for hpd-gpios

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As of [1] the hpd-gpios property is optional, document it as such.

1. commit 269bd1324fbfaa52 ("[media] media: adv7604: improve usage of gpiod API")

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Niklas Söderlund 2020-09-15 20:19:42 +02:00 committed by Mauro Carvalho Chehab
parent 3be682fac6
commit 3e51ce5b1e
1 changed files with 3 additions and 4 deletions
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7
Documentation/devicetree/bindings/media/i2c/adv7604.txt
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@ -19,10 +19,6 @@ Required Properties:
slave device on the I2C bus. The main address is mandatory, others are
optional and revert to defaults if not specified.
- hpd-gpios: References to the GPIOs that control the HDMI hot-plug
detection pins, one per HDMI input. The active flag indicates the GPIO
level that enables hot-plug detection.
The device node must contain one 'port' child node per device input and output
port, in accordance with the video interface bindings defined in
Documentation/devicetree/bindings/media/video-interfaces.txt. The port nodes
@ -37,6 +33,9 @@ The digital output port node must contain at least one endpoint.
Optional Properties:
- hpd-gpios: References to the GPIOs that control the HDMI hot-plug
detection pins, one per HDMI input. The active flag indicates the GPIO
level that enables hot-plug detection.
- reset-gpios: Reference to the GPIO connected to the device's reset pin.
- default-input: Select which input is selected after reset.
- reg-names : Names of maps with programmable addresses.