Re: [PATCH 7/7] media: dt-bindings: ov5693: document YAML binding

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Hi Krzysztof,
Thanks for your review, I will fix this in v2.

Regards,
Tommaso

On Sat, Jun 25, 2022 at 10:35:50PM +0200, Krzysztof Kozlowski wrote:
> On 25/06/2022 01:03, Tommaso Merciai wrote:
> > This patch adds documentation of device tree in YAML schema for the
> > OV5693 CMOS image sensor from Omnivision
> > 
> > Signed-off-by: Tommaso Merciai <tommaso.merciai@xxxxxxxxxxxxxxxxxxxx>
> > ---
> >  .../bindings/media/i2c/ovti,ov5693.yaml       | 123 ++++++++++++++++++
> >  MAINTAINERS                                   |   1 +
> >  2 files changed, 124 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/media/i2c/ovti,ov5693.yaml
> > 
> > diff --git a/Documentation/devicetree/bindings/media/i2c/ovti,ov5693.yaml b/Documentation/devicetree/bindings/media/i2c/ovti,ov5693.yaml
> > new file mode 100644
> > index 000000000000..1ee70af40000
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov5693.yaml
> > @@ -0,0 +1,123 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +# Copyright (c) 2022 Amarulasolutions
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/media/i2c/ovti,ov5693.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Omnivision OV5693 CMOS Sensor
> > +
> > +maintainers:
> > +  - Tommaso Merciai <tommaso.merciai@xxxxxxxxxxxxxxxxxxxx>
> > +
> > +allOf:
> > +  - $ref: /schemas/media/video-interface-devices.yaml#
> 
> This goes after description.
> 
> > +
> > +description: |
> > +  The Omnivision OV5693 is a high performance, 1/4-inch, 5 megapixel, CMOS
> > +  image sensor that delivers 2592x1944 at 30fps. It provides full-frame,
> > +  sub-sampled, and windowed 10-bit MIPI images in various formats via the
> > +  Serial Camera Control Bus (SCCB) interface.
> > +
> > +  Supports images sizes: 5 Mpixel, EIS1080p, 1080p, 720p, VGA, QVGA
> > +
> > +  OV5693 is programmable through I2C and two-wire Serial Camera Control Bus (SCCB).
> > +  The sensor output is available via CSI-2 serial data output (up to 2-lane).
> > +
> > +properties:
> > +  compatible:
> > +    const: ovti,ov5693
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  clocks:
> > +    description:
> > +      System input clock (aka XVCLK). From 6 to 27 MHz.
> > +    maxItems: 1
> > +
> > +  dovdd-supply:
> > +    description:
> > +      Digital I/O voltage supply, 1.8V.
> > +
> > +  avdd-supply:
> > +    description:
> > +      Analog voltage supply, 2.8V.
> > +
> > +  dvdd-supply:
> > +    description:
> > +      Digital core voltage supply, 1.2V.
> > +
> > +  reset-gpios:
> > +    description:
> > +      The phandle and specifier for the GPIO that controls sensor reset.
> > +      This corresponds to the hardware pin XSHUTDN which is physically
> > +      active low.
> > +    maxItems: 1
> > +
> > +  port:
> > +    $ref: /schemas/graph.yaml#/$defs/port-base
> > +    additionalProperties: false
> > +
> > +    properties:
> > +      endpoint:
> > +        $ref: /schemas/media/video-interfaces.yaml#
> > +        unevaluatedProperties: false
> > +
> > +        properties:
> > +          data-lanes:
> > +            minItems: 1
> > +            maxItems: 2
> > +
> > +          # Supports max data transfer of 900 Mbps per lane
> > +          link-frequencies: true
> 
> This is not needed. Provided by video-interfaces.yaml.
> 
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - clocks
> > +  - dovdd-supply
> > +  - avdd-supply
> > +  - dvdd-supply
> > +  - port
> > +
> > +unevaluatedProperties: false
> > +
> > +examples:
> > +  - |
> > +    #include <dt-bindings/clock/px30-cru.h>
> > +    #include <dt-bindings/gpio/gpio.h>
> > +    #include <dt-bindings/pinctrl/rockchip.h>
> > +
> > +    i2c {
> > +        #address-cells = <1>;
> > +        #size-cells = <0>;
> > +
> > +        ov5693: camera@36 {
> > +            compatible = "ovti,ov5693";
> > +            reg = <0x36>;
> > +
> > +            reset-gpios = <&gpio2 RK_PB1 GPIO_ACTIVE_LOW>;
> > +            pinctrl-names = "default";
> > +            pinctrl-0 = <&cif_clkout_m0>;
> > +
> > +            clocks = <&cru SCLK_CIF_OUT>;
> > +            assigned-clocks = <&cru SCLK_CIF_OUT>;
> > +            assigned-clock-rates = <19200000>;
> > +
> > +            avdd-supply = <&vcc_1v8>;
> > +            dvdd-supply = <&vcc_1v2>;
> > +            dovdd-supply = <&vcc_2v8>;
> > +
> > +            rotation = <90>;
> > +            orientation = <0>;
> > +
> > +            port {
> > +                ucam_out: endpoint {
> > +                    remote-endpoint = <&mipi_in_ucam>;
> > +                    data-lanes = <1 2>;
> > +                    link-frequencies = /bits/ 64 <450000000>;
> > +                };
> > +            };
> > +        };
> > +    };
> > \ No newline at end of file
> 
> ^^^ This has to be fixed.
> 
> > diff --git a/MAINTAINERS b/MAINTAINERS
> Best regards,
> Krzysztof

-- 
Tommaso Merciai
Embedded Linux Engineer
tommaso.merciai@xxxxxxxxxxxxxxxxxxxx
__________________________________

Amarula Solutions SRL
Via Le Canevare 30, 31100 Treviso, Veneto, IT
T. +39 042 243 5310
info@xxxxxxxxxxxxxxxxxxxx
www.amarulasolutions.com



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