linux-kernel - Re: [PATCH v4 1/2] media: dt-bindings: i2c: add GalaxyCore GC08A3 image sensor

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Message-ID: <20240204135056.GA6804@pendragon.ideasonboard.com>
Date: Sun, 4 Feb 2024 15:50:56 +0200
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Zhi Mao <zhi.mao@...iatek.com>
Cc: mchehab@...nel.org, robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org, sakari.ailus@...ux.intel.com,
	shengnan.wang@...iatek.com, yaya.chang@...iatek.com,
	10572168@...com, Project_Global_Chrome_Upstream_Group@...iatek.com,
	yunkec@...omium.org, conor+dt@...nel.org, matthias.bgg@...il.com,
	angelogioacchino.delregno@...labora.com,
	jacopo.mondi@...asonboard.com, hverkuil-cisco@...all.nl,
	heiko@...ech.de, jernej.skrabec@...il.com, macromorgan@...mail.com,
	linus.walleij@...aro.org, hdegoede@...hat.com,
	tomi.valkeinen@...asonboard.com, gerald.loacker@...fvision.net,
	andy.shevchenko@...il.com, bingbu.cao@...el.com,
	dan.scally@...asonboard.com, linux-media@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org,
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH v4 1/2] media: dt-bindings: i2c: add GalaxyCore GC08A3
 image sensor

Hi Zhi,

Thank you for the patch.

On Sun, Feb 04, 2024 at 02:15:37PM +0800, Zhi Mao wrote:
> Add YAML device tree binding for GC08A3 CMOS image sensor,
> and the relevant MAINTAINERS entries.
> 
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Signed-off-by: Zhi Mao <zhi.mao@...iatek.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

> ---
>  .../bindings/media/i2c/galaxycore,gc08a3.yaml | 112 ++++++++++++++++++
>  1 file changed, 112 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/i2c/galaxycore,gc08a3.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/i2c/galaxycore,gc08a3.yaml b/Documentation/devicetree/bindings/media/i2c/galaxycore,gc08a3.yaml
> new file mode 100644
> index 000000000000..8c09e8c121e5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/i2c/galaxycore,gc08a3.yaml
> @@ -0,0 +1,112 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +# Copyright (c) 2023 MediaTek Inc.
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/i2c/galaxycore,gc08a3.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: GalaxyCore gc08a3 1/4" 8M Pixel MIPI CSI-2 sensor
> +
> +maintainers:
> +  - Zhi Mao <zhi.mao@...iatek.com>
> +
> +description:
> +  The gc08a3 is a raw image sensor with an MIPI CSI-2 image data
> +  interface and CCI (I2C compatible) control bus. The output format
> +  is raw Bayer.
> +
> +properties:
> +  compatible:
> +    const: galaxycore,gc08a3
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  dovdd-supply: true
> +
> +  avdd-supply: true
> +
> +  dvdd-supply: true
> +
> +  reset-gpios:
> +    description: Reference to the GPIO connected to the RESETB pin.
> +    maxItems: 1
> +
> +  port:
> +    $ref: /schemas/graph.yaml#/$defs/port-base
> +    additionalProperties: false
> +    description:
> +      Output port node, single endpoint describing the CSI-2 transmitter.
> +
> +    properties:
> +      endpoint:
> +        $ref: /schemas/media/video-interfaces.yaml#
> +        unevaluatedProperties: false
> +
> +        properties:
> +          data-lanes:
> +            oneOf:
> +              - items:
> +                  - const: 1
> +                  - const: 2
> +                  - const: 3
> +                  - const: 4
> +              - items:
> +                  - const: 1
> +                  - const: 2
> +
> +          link-frequencies: true
> +
> +        required:
> +          - data-lanes
> +          - link-frequencies
> +
> +    required:
> +      - endpoint
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - dovdd-supply
> +  - avdd-supply
> +  - dvdd-supply
> +  - reset-gpios
> +  - port
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        sensor@31 {
> +            compatible = "galaxycore,gc08a3";
> +            reg = <0x31>;
> +
> +            clocks = <&gc08a3_clk>;
> +
> +            reset-gpios = <&pio 19 GPIO_ACTIVE_HIGH>;
> +
> +            avdd-supply = <&gc08a3_avdd>;
> +            dovdd-supply = <&gc08a3_dovdd>;
> +            dvdd-supply = <&gc08a3_dvdd>;
> +
> +            port {
> +                sensor_out: endpoint {
> +                    data-lanes = <1 2 3 4>;
> +                    link-frequencies = /bits/ 64 <336000000 207000000>;
> +                    remote-endpoint = <&seninf_csi_port_0_in>;
> +                };
> +            };
> +        };
> +    };
> +
> +...

-- 
Regards,

Laurent Pinchart