linux-kernel - Re: [PATCH v2 1/3] media: dt-bindings: ak7375: Convert to DT schema

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Date:   Mon, 28 Nov 2022 12:14:19 +0530
From:   Umang Jain <umang.jain@...asonboard.com>
To:     Yassine Oudjana <yassine.oudjana@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Tianshu Qiu <tian.shu.qiu@...el.com>,
        Bingbu Cao <bingbu.cao@...el.com>
Cc:     Yassine Oudjana <y.oudjana@...tonmail.com>,
        Jacopo Mondi <jacopo@...ndi.org>, linux-media@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/3] media: dt-bindings: ak7375: Convert to DT schema

Hello,

I have been testing this VCM in conjunction with Arducam's IMX519 sensor 
with libcamera and an autofocus algorithm plumbed in libcamera [1]

On 7/11/22 8:10 PM, Yassine Oudjana wrote:
> From: Yassine Oudjana <y.oudjana@...tonmail.com>
>
> Convert DT bindings document for AKM AK7375 VCM to DT schema
> format and add an example.
>
> Signed-off-by: Yassine Oudjana <y.oudjana@...tonmail.com>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
So,

Tested-by: Umang Jain <umang.jain@...asonboard.com>

[1] https://patchwork.libcamera.org/project/libcamera/list/?series=3174

> ---
> Changes since v1:
>    - Add vendor prefix to DT binding doc file name
>
>   .../devicetree/bindings/media/i2c/ak7375.txt  |  8 ----
>   .../media/i2c/asahi-kasei,ak7375.yaml         | 41 +++++++++++++++++++
>   MAINTAINERS                                   |  2 +-
>   3 files changed, 42 insertions(+), 9 deletions(-)
>   delete mode 100644 Documentation/devicetree/bindings/media/i2c/ak7375.txt
>   create mode 100644 Documentation/devicetree/bindings/media/i2c/asahi-kasei,ak7375.yaml
>
> diff --git a/Documentation/devicetree/bindings/media/i2c/ak7375.txt b/Documentation/devicetree/bindings/media/i2c/ak7375.txt
> deleted file mode 100644
> index aa3e24b41241..000000000000
> --- a/Documentation/devicetree/bindings/media/i2c/ak7375.txt
> +++ /dev/null
> @@ -1,8 +0,0 @@
> -Asahi Kasei Microdevices AK7375 voice coil lens driver
> -
> -AK7375 is a camera voice coil lens.
> -
> -Mandatory properties:
> -
> -- compatible: "asahi-kasei,ak7375"
> -- reg: I2C slave address
> diff --git a/Documentation/devicetree/bindings/media/i2c/asahi-kasei,ak7375.yaml b/Documentation/devicetree/bindings/media/i2c/asahi-kasei,ak7375.yaml
> new file mode 100644
> index 000000000000..22b1251b16ee
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/i2c/asahi-kasei,ak7375.yaml
> @@ -0,0 +1,41 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/i2c/asahi-kasei,ak7375.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Asahi Kasei Microdevices AK7375 voice coil lens actuator
> +
> +maintainers:
> +  - Tianshu Qiu <tian.shu.qiu@...el.com>
> +
> +description:
> +  AK7375 is a voice coil motor (VCM) camera lens actuator that
> +  is controlled over I2C.
> +
> +properties:
> +  compatible:
> +    const: asahi-kasei,ak7375
> +
> +  reg:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        ak7375: camera-lens@c {
> +            compatible = "asahi-kasei,ak7375";
> +            reg = <0x0c>;
> +        };
> +    };
> +
> +...
> diff --git a/MAINTAINERS b/MAINTAINERS
> index a97fef8c131d..e6accf8bc12b 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -3063,7 +3063,7 @@ M:	Tianshu Qiu <tian.shu.qiu@...el.com>
>   L:	linux-media@...r.kernel.org
>   S:	Maintained
>   T:	git git://linuxtv.org/media_tree.git
> -F:	Documentation/devicetree/bindings/media/i2c/ak7375.txt
> +F:	Documentation/devicetree/bindings/media/i2c/asahi-kasei,ak7375.yaml
>   F:	drivers/media/i2c/ak7375.c
>   
>   ASAHI KASEI AK8974 DRIVER