On Fri, Feb 19, 2021 at 09:15:13AM +0100, Maxime Chevallier wrote: > The Techwell TW9900 is a video decoder supporting multiple input > standards, such as PAL, NTSC and SECAM, and outputs a BT.656 video > signal. > > It's designed to be low-power, posesses some features such as a > programmable comb-filter, and automatic input standard detection. > > Signed-off-by: Maxime Chevallier <maxime.chevallier@xxxxxxxxxxx> > --- > V2->V3 : Fix the example not compiling due to a typo in the reset-gpios > node. > > V3->V4 : Add the missing reset-gpios node to the binding > > .../devicetree/bindings/media/i2c/tw9900.yaml | 64 +++++++++++++++++++ Use the compatible string for the filename. > 1 file changed, 64 insertions(+) > create mode 100644 Documentation/devicetree/bindings/media/i2c/tw9900.yaml > > diff --git a/Documentation/devicetree/bindings/media/i2c/tw9900.yaml b/Documentation/devicetree/bindings/media/i2c/tw9900.yaml > new file mode 100644 > index 000000000000..d27196e37416 > --- /dev/null > +++ b/Documentation/devicetree/bindings/media/i2c/tw9900.yaml > @@ -0,0 +1,64 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/media/i2c/tw9900.yaml# Don't forget to update this... > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Techwell TW9900 NTSC/PAL/SECAM video decoder > + > +maintainers: > + - Maxime Chevallier <maxime.chevallier@xxxxxxxxxxx> > + > +description: > + The tw9900 is a multi-standard video decoder, supporting NTSC, PAL and SECAM > + standards with auto-detection features. > + > +properties: > + compatible: > + items: > + - enum: > + - techwell,tw9900 > + > + reg: > + maxItems: 1 > + > + vdd-supply: > + description: VDD power supply > + > + reset-gpios: > + description: GPIO descriptor for the RESET input pin > + maxItems: 1 > + > + port: > + type: object > + description: > + A node containing a single endpoint as doucmented in > + Documentation/devicetree/bindings/media/video-interfaces.txt It's now video-interfaces.yaml, but you aren't using anything from it. You need to reference graph.yaml though. See the examples in the tree now. > + > +additionalProperties: false > + > +required: > + - compatible > + - reg > + > +examples: > + - | > + #include <dt-bindings/gpio/gpio.h> > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + > + tw9900: tw9900@44 { > + compatible = "techwell,tw9900"; > + reg = <0x44>; > + > + vdd-supply = <&tw9900_supply>; > + reset-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>; > + > + port { > + tw9900_out: endpoint { > + remote-endpoint = <&vip_in>; > + }; > + }; > + }; > + }; > -- > 2.25.4 >
