linux-kernel - Re: [PATCH v2 1/2 RESEND] dt-bindings: media: i2c: document Sony IMX111 CMOS sensor

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Message-ID: <CAPVz0n1=xuue8btcEAc6fX_k-9Y_=_A_h5yuYyxwwgf00EZDcQ@mail.gmail.com>
Date: Tue, 28 Oct 2025 18:29:51 +0200
From: Svyatoslav Ryhel <clamor95@...il.com>
To: Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Hans Verkuil <hverkuil@...all.nl>, Hans de Goede <hansg@...nel.org>, Arnd Bergmann <arnd@...db.de>, 
	Dongcheng Yan <dongcheng.yan@...el.com>, André Apitzsch <git@...tzsch.eu>, 
	Sylvain Petinot <sylvain.petinot@...s.st.com>, 
	Benjamin Mugnier <benjamin.mugnier@...s.st.com>, 
	Heimir Thor Sverrisson <heimir.sverrisson@...il.com>, linux-media@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2 RESEND] dt-bindings: media: i2c: document Sony
 IMX111 CMOS sensor

вт, 28 жовт. 2025 р. о 18:26 Sakari Ailus <sakari.ailus@...ux.intel.com> пише:
>
> Hi Svyatoslav,
>
> On Tue, Oct 28, 2025 at 11:21:59AM +0200, Svyatoslav Ryhel wrote:
> > Add bindings for Sony IMX111 CMOS Digital Image Sensor found in LG
> > Optimus 4X (P880) and Optimus Vu (P895) smartphones.
> >
> > Signed-off-by: Svyatoslav Ryhel <clamor95@...il.com>
> > ---
> >  .../bindings/media/i2c/sony,imx111.yaml       | 112 ++++++++++++++++++
> >  1 file changed, 112 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/media/i2c/sony,imx111.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/media/i2c/sony,imx111.yaml b/Documentation/devicetree/bindings/media/i2c/sony,imx111.yaml
> > new file mode 100644
> > index 000000000000..a70017588891
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/media/i2c/sony,imx111.yaml
> > @@ -0,0 +1,112 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/media/i2c/sony,imx111.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Sony IMX111 8MP CMOS Digital Image Sensor
> > +
> > +maintainers:
> > +  - Svyatoslav Ryhel <clamor95@...il.com>
> > +
> > +description:
> > +  IMX111 sensor is a Sony CMOS active pixel digital image sensor with an active
> > +  array size of 2464H x 3280V. It is programmable through I2C interface. Image
> > +  data is sent through MIPI CSI-2, through 1 or 2 lanes.
> > +
> > +allOf:
> > +  - $ref: /schemas/media/video-interface-devices.yaml#
> > +  - $ref: /schemas/nvmem/nvmem-consumer.yaml#
> > +
> > +properties:
> > +  compatible:
> > +    const: sony,imx111
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  clocks:
> > +    description: EXTCLK with possible frequency from 6 to 54 MHz
> > +    maxItems: 1
> > +
> > +  reset-gpios:
> > +    maxItems: 1
> > +
> > +  iovdd-supply:
> > +    description: Digital IO power supply (1.8V)
> > +
> > +  dvdd-supply:
> > +    description: Digital power supply (1.2V)
> > +
> > +  avdd-supply:
> > +    description: Analog power supply (2.7V)
> > +
> > +  port:
> > +    additionalProperties: false
> > +    $ref: /schemas/graph.yaml#/$defs/port-base
> > +
> > +    properties:
> > +      endpoint:
> > +        $ref: /schemas/media/video-interfaces.yaml#
> > +        unevaluatedProperties: false
> > +
> > +        properties:
> > +          data-lanes: true
> > +          bus-type: true
> > +          link-frequencies: true
> > +
> > +        required:
> > +          - data-lanes
> > +          - bus-type
>
> Can you drop bus-type? I.e. is the sensor D-PHY-only?
>

Yes, there were suggestions from schema maintainers and I have
included them locally, but forgot about them since no review from
media maintainers. Please skip this patch and review the driver
itself. I will include all schema maintainers suggestions along side
your suggestions regarding the driver in v3.

> > +          - link-frequencies
> > +
> > +    required:
> > +      - endpoint
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - clocks
> > +  - port
> > +
> > +unevaluatedProperties: false
> > +
> > +examples:
> > +  - |
> > +    #include <dt-bindings/gpio/gpio.h>
> > +    #include <dt-bindings/media/video-interfaces.h>
> > +
> > +    i2c {
> > +        #address-cells = <1>;
> > +        #size-cells = <0>;
> > +
> > +        camera@10 {
> > +            compatible = "sony,imx111";
> > +            reg = <0x10>;
> > +
> > +            clocks = <&imx111_clk>;
> > +
> > +            iovdd-supply = <&camera_vddio_1v8>;
> > +            dvdd-supply = <&camera_vddd_1v2>;
> > +            avdd-supply = <&camera_vdda_2v7>;
> > +
> > +            orientation = <1>;
> > +            rotation = <90>;
> > +
> > +            nvmem = <&eeprom>;
> > +            flash-leds = <&led>;
> > +            lens-focus = <&vcm>;
> > +
> > +            reset-gpios = <&gpio 84 GPIO_ACTIVE_LOW>;
> > +
> > +            port {
> > +                imx111_output: endpoint {
> > +                    data-lanes = <1 2>;
> > +                    bus-type = <MEDIA_BUS_TYPE_CSI2_DPHY>;
> > +                    link-frequencies = /bits/ 64 <271200000>;
> > +                    remote-endpoint = <&csi_input>;
> > +                };
> > +            };
> > +        };
> > +    };
> > +...
>
> --
> Regards,
>
> Sakari Ailus