Hi Sakari, On Fri 30 Oct 20, 18:37, Sakari Ailus wrote: > On Fri, Oct 23, 2020 at 07:49:43PM +0200, Paul Kocialkowski wrote: > > This introduces YAML bindings documentation for the OV5648 > > image sensor. > > > > Signed-off-by: Paul Kocialkowski <[email protected]> > > --- > > .../bindings/media/i2c/ovti,ov5648.yaml | 115 ++++++++++++++++++ > > 1 file changed, 115 insertions(+) > > create mode 100644 > > Documentation/devicetree/bindings/media/i2c/ovti,ov5648.yaml > > > > diff --git a/Documentation/devicetree/bindings/media/i2c/ovti,ov5648.yaml > > b/Documentation/devicetree/bindings/media/i2c/ovti,ov5648.yaml > > new file mode 100644 > > index 000000000000..347af925b450 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov5648.yaml > > @@ -0,0 +1,115 @@ > > +# SPDX-License-Identifier: GPL-2.0 > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/media/i2c/ovti,ov5648.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: OmniVision OV5648 Image Sensor Device Tree Bindings > > + > > +maintainers: > > + - Paul Kocialkowski <[email protected]> > > + > > +properties: > > + compatible: > > + const: ovti,ov5648 > > + > > + reg: > > + maxItems: 1 > > + > > + clocks: > > + items: > > + - description: XVCLK Clock > > + > > + clock-names: > > + items: > > + - const: xvclk > > + > > + dvdd-supply: > > + description: Digital Domain Power Supply > > + > > + avdd-supply: > > + description: Analog Domain Power Supply (internal AVDD is used if > > missing) > > + > > + dovdd-supply: > > + description: I/O Domain Power Supply > > + > > + powerdown-gpios: > > + maxItems: 1 > > + description: Power Down Pin GPIO Control (active low) > > + > > + reset-gpios: > > + maxItems: 1 > > + description: Reset Pin GPIO Control (active low) > > + > > + port: > > + type: object > > + description: Input port, connect to a MIPI CSI-2 receiver > > "Input"? I'd describe this as output. > > How about e.g. "MIPI CSI-2 transmitter port"?
Woops, that's definitely a mistake. Your suggestion sounds good, thanks!
> > +
> > + properties:
> > + endpoint:
> > + type: object
> > +
> > + properties:
> > + remote-endpoint: true
> > +
> > + bus-type:
> > + const: 4
> > +
> > + clock-lanes:
> > + maxItems: 1
>
> You can drop the two as they're always the same.
See my reply to the same comment on the other series.
Cheers,
Paul
> > +
> > + data-lanes:
> > + minItems: 1
> > + maxItems: 2
> > +
> > + required:
> > + - bus-type
> > + - data-lanes
> > + - remote-endpoint
> > +
> > + additionalProperties: false
> > +
> > + required:
> > + - endpoint
> > +
> > +required:
> > + - compatible
> > + - reg
> > + - clocks
> > + - clock-names
> > + - dvdd-supply
> > + - dovdd-supply
> > + - port
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > + - |
> > + #include <dt-bindings/clock/sun8i-v3s-ccu.h>
> > + #include <dt-bindings/gpio/gpio.h>
> > +
> > + i2c0 {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + ov5648: camera@36 {
> > + compatible = "ovti,ov5648";
> > + reg = <0x36>;
> > +
> > + dvdd-supply = <&ov5648_dvdd>;
> > + avdd-supply = <&ov5648_avdd>;
> > + dovdd-supply = <&ov5648_dovdd>;
> > + clocks = <&ov5648_xvclk 0>;
> > + clock-names = "xvclk";
> > +
> > + ov5648_out: port {
> > + ov5648_out_mipi_csi2: endpoint {
> > + bus-type = <4>; /* MIPI CSI-2 D-PHY */
> > + clock-lanes = <0>;
> > + data-lanes = <1 2>;
> > +
> > + remote-endpoint = <&mipi_csi2_in_ov5648>;
> > + };
> > + };
> > + };
> > + };
>
> --
> Sakari Ailus
--
Paul Kocialkowski, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com
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