Re: [PATCH v5 1/2] media: dt-bindings: Add OmniVision OV64A40

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Sakari

On Thu, Dec 07, 2023 at 09:57:06AM +0000, Sakari Ailus wrote:
> Hi Jacopo,
>
> On Wed, Dec 06, 2023 at 04:58:59PM +0100, Jacopo Mondi wrote:
> > Add bindings for OmniVision OV64A40.
> >
> > Co-developed-by: Lee Jackson <lee.jackson@xxxxxxxxxxx>
> > Signed-off-by: Jacopo Mondi <jacopo.mondi@xxxxxxxxxxxxxxxx>
> > Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
> > ---
> >  .../bindings/media/i2c/ovti,ov64a40.yaml      | 97 +++++++++++++++++++
> >  1 file changed, 97 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/media/i2c/ovti,ov64a40.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/media/i2c/ovti,ov64a40.yaml b/Documentation/devicetree/bindings/media/i2c/ovti,ov64a40.yaml
> > new file mode 100644
> > index 000000000000..e6c9d540a2dd
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov64a40.yaml
> > @@ -0,0 +1,97 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/media/i2c/ovti,ov64a40.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: OmniVision OV64A40 Image Sensor
> > +
> > +maintainers:
> > +  - Jacopo Mondi <jacopo.mondi@xxxxxxxxxxxxxxxx>
> > +
> > +allOf:
> > +  - $ref: /schemas/media/video-interface-devices.yaml#
> > +
> > +properties:
> > +  compatible:
> > +    const: ovti,ov64a40
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  clocks:
> > +    maxItems: 1
> > +
> > +  avdd-supply:
> > +    description: Analog voltage supply, 2.8 volts
> > +
> > +  dvdd-supply:
> > +    description: Digital core voltage supply, 1.1 volts
> > +
> > +  dovdd-supply:
> > +    description: Digital I/O voltage supply, 1.8 volts
> > +
> > +  powerdown-gpios:
> > +    maxItems: 1
> > +
> > +  reset-gpios:
> > +    maxItems: 1
> > +
> > +  port:
> > +    $ref: /schemas/graph.yaml#/$defs/port-base
> > +    additionalProperties: false
> > +
> > +    properties:
> > +      endpoint:
> > +        $ref: /schemas/media/video-interfaces.yaml#
> > +        additionalProperties: false
> > +
> > +        properties:
> > +          bus-type:
> > +            enum:
> > +              - 1 # MIPI CSI-2 C-PHY
> > +              - 4 # MIPI CSI-2 D-PHY
> > +          data-lanes: true
> > +          link-frequencies: true
> > +          clock-noncontinuous: true
> > +          remote-endpoint: true
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - clocks
> > +  - port
> > +
> > +unevaluatedProperties: false
> > +
> > +examples:
> > +  - |
> > +      #include <dt-bindings/gpio/gpio.h>
> > +
> > +      i2c {
> > +          #address-cells = <1>;
> > +          #size-cells = <0>;
> > +
> > +          camera@36 {
> > +              compatible = "ovti,ov64a40";
> > +              reg = <0x36>;
> > +              clocks = <&camera_clk>;
> > +              dovdd-supply = <&vgen4_reg>;
> > +              avdd-supply = <&vgen3_reg>;
> > +              dvdd-supply = <&vgen2_reg>;
> > +              powerdown-gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>;
> > +              reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
> > +              rotation = <180>;
> > +              orientation = <2>;
> > +
> > +              port {
> > +                  endpoint {
> > +                      remote-endpoint = <&mipi_csi2_in>;
> > +                      bus-type = <4>;
> > +                      data-lanes = <1 2 3 4>;
>
> This is missing link-frequencies.
>

I was not sure about this, in facts.

Bindings are about HW while link-frequencies is only about restricting
how the driver configures the sensor. Thus, I've not listed it as
mandatory however the driver mandates its presence.

Should I make it mandatory in bindings ?

> > +                  };
> > +              };
> > +          };
> > +      };
> > +
> > +...
>
> --
> Regards,
>
> Sakari Ailus




[Index of Archives]     [Linux Input]     [Video for Linux]     [Gstreamer Embedded]     [Mplayer Users]     [Linux USB Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]

  Powered by Linux