Re: [PATCH 5/6] media: dt-bindings: media: i2c: Add mlx7502x camera sensor binding

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Hi Krzysztof,

Thanks for your review,

On Mon, Jun 20, 2022 at 06:55:40PM +0200, Krzysztof Kozlowski wrote:
> On 20/06/2022 18:25, Volodymyr Kharuk wrote:
> > From: Volodymyr Kharuk <vkh@xxxxxxxxxxx>
> > To: linux-media@xxxxxxxxxxxxxxx
> > Cc: Volodymyr Kharuk <vkh@xxxxxxxxxxx>,
> > 	Andrii Kyselov <ays@xxxxxxxxxxx>,
> > 	Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>,
> > 	Rob Herring <robh+dt@xxxxxxxxxx>,
> > 	Krzysztof Kozlowski <krzysztof.kozlowski+dt@xxxxxxxxxx>,
> > 	Hyun Kwon <hyun.kwon@xxxxxxxxxx>,
> > 	Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>,
> > 	Michal Simek <michal.simek@xxxxxxxxxx>,
> > 	Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>,
> > 	devicetree@xxxxxxxxxxxxxxx
> > Subject: [PATCH 5/6] media: dt-bindings: media: i2c: Add mlx7502x camera sensor binding
> > Date: Mon, 20 Jun 2022 19:24:36 +0300
> > Message-Id: <fde3ed603f2c605278ab8fe2c0aa03e96ce4fb33.1655738299.git.vkh@xxxxxxxxxxx>
> > X-Mailer: git-send-email 2.36.1
> > In-Reply-To: <cover.1655738299.git.vkh@xxxxxxxxxxx>
> > References: <cover.1655738299.git.vkh@xxxxxxxxxxx>
> > MIME-Version: 1.0
> > Content-Transfer-Encoding: 8bit
> 
> I don't think your email is correct... The easiest to create proper
> patch is to use Git (git format-patch, git send-email).
Actually I've used git format-patch and git send-email.
I wanted to use mutt as sendmail. Mutt didn't understand the header from git send-email.
So now I switched to another sendmail. Now it should be fine.
> 
> 
> > 
> > Add device tree binding of the mlx7502x and update MAINTAINERS
> > 
> > Signed-off-by: Volodymyr Kharuk <vkh@xxxxxxxxxxx>
> > ---
> >  .../bindings/media/i2c/melexis,mlx7502x.yaml  | 106 ++++++++++++++++++
> >  MAINTAINERS                                   |   1 +
> >  2 files changed, 107 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/media/i2c/melexis,mlx7502x.yaml
> > 
> > diff --git a/Documentation/devicetree/bindings/media/i2c/melexis,mlx7502x.yaml b/Documentation/devicetree/bindings/media/i2c/melexis,mlx7502x.yaml
> > new file mode 100644
> > index 000000000000..0cc6e425caec
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/media/i2c/melexis,mlx7502x.yaml
> > @@ -0,0 +1,106 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/media/i2c/melexis,mlx7502x.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Melexis ToF 7502x MIPI CSI-2 Sensor Device Tree Bindings
> 
> s/Device Tree Bindings//
> 
> > +
> > +maintainers:
> > +  - Volodymyr Kharuk <vkh@xxxxxxxxxxx>
> > +
> > +description: |-
> > +  Melexis ToF 7502x sensors has a CSI-2 output. It supports 2 and 4 lanes,
> > +  and mipi speeds are 300, 600, 704, 800, 904, 960Mbs. Supported format is RAW12.
> > +  Sensor 75026 is QVGA, while 75027 is VGA sensor.
> > +
> > +properties:
> > +  compatible:
> > +    const: melexis,mlx7502x
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  vcc-supply:
> > +    description: VCC supply phandle.
> > +
> > +  hw-trigger-gpio:
> 
> Yoiu need vendor prefix here, because this does not look like standard
> property. Plus "gpios", not "gpio", so:
> melexis,hw-trigger-gpios
> 
> > +    maxItems: 1
> > +    description: Hardware Trigger GPIO Control (active low)
> > +
> > +  reset-gpio:
> 
> reset-gpios
> 
> > +    maxItems: 1
> > +    description: Reset Sensor GPIO Control (active low)
> > +
> > +  leden-gpio:
> 
> vendor prefix + gpios, unless this is "enable-gpios" standard property.
Yes it is enable for another device(illumination), so it not the standard one.
> 
> > +    maxItems: 1
> > +    description: Led driver enanle GPIO Control (active high)
> 
> enable?
Yeap, thanks
> 
> > +
> > +  port:
> > +    description: MIPI CSI-2 transmitter port
> > +    $ref: /schemas/graph.yaml#/$defs/port-base
> > +
> > +    properties:
> > +      endpoint:
> > +        $ref: /schemas/media/video-interfaces.yaml#
> > +        unevaluatedProperties: false
> > +
> > +        properties:
> > +          data-lanes:
> > +            anyOf:
> 
> oneOf
> although probably has the same effect
Agree.
> 
> > +              - items:
> > +                  - const: 1
> > +                  - const: 2
> > +              - items:
> > +                  - const: 1
> > +                  - const: 2
> > +                  - const: 3
> > +                  - const: 4
> > +
> > +          clock-noncontinuous: true
> > +          link-frequencies: true
> > +
> > +        required:
> > +          - data-lanes
> > +          - link-frequencies
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - port
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > +  - |
> > +    #include <dt-bindings/gpio/gpio.h>
> > +
> > +    i2c1 {
> 
> Just "i2c"
> 
> > +        #address-cells = <1>;
> > +        #size-cells = <0>;
> > +
> > +        mlx7502x: camera@57 {
> > +            compatible = "melexis,mlx7502x";
> > +            reg = <0x57>;
> > +
> > +            vcc-supply = <&mlx_7502x_reg>;
> > +            hw-trigger-gpio = <&gpio_exp 2 GPIO_ACTIVE_HIGH>;
> > +            reset-gpio = <&gpio_exp 6 GPIO_ACTIVE_HIGH>;
> > +            leden-gpio = <&gpio_exp 7 GPIO_ACTIVE_HIGH>;
> > +
> > +            port {
> > +                mlx7502x_out_mipi_csi2: endpoint {
> > +                    remote-endpoint = <&mipi_csi2_from_mlx7502x>;
> > +                    data-lanes = <1 2 3 4>;
> > +                    link-frequencies = /bits/ 64 < 960000000
> > +                                                   904000000
> > +                                                   800000000
> > +                                                   704000000
> > +                                                   600000000
> > +                                                   300000000 >;
> > +                };
> > +            };
> > +        };
> > +    };
> > +
> > +...
> > diff --git a/MAINTAINERS b/MAINTAINERS
> > index 6b74de976e90..ce052a351fda 100644
> > --- a/MAINTAINERS
> > +++ b/MAINTAINERS
> > @@ -12676,6 +12676,7 @@ M:	Volodymyr Kharuk <vkh@xxxxxxxxxxx>
> >  L:	linux-media@xxxxxxxxxxxxxxx
> >  S:	Supported
> >  W:	http://www.melexis.com
> > +F:	Documentation/devicetree/bindings/media/i2c/melexis,mlx7502x.yaml
> >  F:	include/uapi/linux/mlx7502x.h
> >  
> >  MELFAS MIP4 TOUCHSCREEN DRIVER
> 
> 
> Best regards,
> Krzysztof

-- 
BR,
Volodymyr Kharuk




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