Re: [V4, 1/2] media: i2c: dw9768: Add DT support and MAINTAINERS entry

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Hello Rob,

Thanks for the review.

On Fri, 2020-04-10 at 12:25 -0500, Rob Herring wrote:
> On Mon, Mar 30, 2020 at 08:36:33PM +0800, Dongchun Zhu wrote:
> > This patch is to add the Devicetreee binding documentation and
> > MAINTAINERS entry for dw9768 actuator.
> > 
> > Signed-off-by: Dongchun Zhu <dongchun.zhu@xxxxxxxxxxxx>
> > ---
> >  .../bindings/media/i2c/dongwoon,dw9768.yaml        | 62 ++++++++++++++++++++++
> >  MAINTAINERS                                        |  7 +++
> >  2 files changed, 69 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/media/i2c/dongwoon,dw9768.yaml
> > 
> > diff --git a/Documentation/devicetree/bindings/media/i2c/dongwoon,dw9768.yaml b/Documentation/devicetree/bindings/media/i2c/dongwoon,dw9768.yaml
> > new file mode 100644
> > index 0000000..8a353dc
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/media/i2c/dongwoon,dw9768.yaml
> > @@ -0,0 +1,62 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > +# Copyright (c) 2020 MediaTek Inc.
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/media/i2c/dongwoon,dw9768.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Dongwoon Anatech DW9768 Voice Coil Motor (VCM) Device Tree Bindings
> > +
> > +maintainers:
> > +  - Dongchun Zhu <dongchun.zhu@xxxxxxxxxxxx>
> > +
> > +description: |-
> > +  The Dongwoon DW9768 is a single 10-bit digital-to-analog (DAC) converter
> > +  with 100 mA output current sink capability. VCM current is controlled with
> > +  a linear mode driver. The DAC is controlled via a 2-wire (I2C-compatible)
> > +  serial interface that operates at clock rates up to 1MHz. This chip
> > +  integrates Advanced Actuator Control (AAC) technology and is intended for
> > +  driving voice coil lenses in camera modules.
> > +
> > +properties:
> > +  compatible:
> > +    const: dongwoon,dw9768
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  vin-supply:
> > +    description:
> > +      Definition of the regulator used as I2C I/O interface power supply.
> > +    maxItems: 1
> 
> You can drop this. *-supply is always a single entry.
> 

Fixed in next release.

> > +
> > +  vdd-supply:
> > +    description:
> > +      Definition of the regulator used as VCM chip power supply.
> > +    maxItems: 1
> 
> Same here.
> 

Fixed in next release.

> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - vin-supply
> > +  - vdd-supply
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > +  - |
> > +    i2c2: i2c@11009000 {
> 
> i2c {
> 

Fixed in next release.

> > +        clock-frequency = <400000>;
> > +        #address-cells = <1>;
> > +        #size-cells = <0>;
> > +
> > +        dw9768: camera-lens@c {
> > +            compatible = "dongwoon,dw9768";
> > +            reg = <0x0c>;
> > +
> > +            vin-supply = <&mt6358_vcamio_reg>;
> > +            vdd-supply = <&mt6358_vcama2_reg>;
> > +        };
> > +    };
> > +
> > +...
> > diff --git a/MAINTAINERS b/MAINTAINERS
> > index 38fe2f3..5e124d2 100644
> > --- a/MAINTAINERS
> > +++ b/MAINTAINERS
> > @@ -5134,6 +5134,13 @@ S:	Maintained
> >  F:	drivers/media/i2c/dw9714.c
> >  F:	Documentation/devicetree/bindings/media/i2c/dongwoon,dw9714.txt
> >  
> > +DONGWOON DW9768 LENS VOICE COIL DRIVER
> > +M:	Dongchun Zhu <dongchun.zhu@xxxxxxxxxxxx>
> > +L:	linux-media@xxxxxxxxxxxxxxx
> > +S:	Maintained
> > +T:	git git://linuxtv.org/media_tree.git
> > +F:	Documentation/devicetree/bindings/media/i2c/dongwoon,dw9768.yaml
> > +
> >  DONGWOON DW9807 LENS VOICE COIL DRIVER
> >  M:	Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
> >  L:	linux-media@xxxxxxxxxxxxxxx
> > -- 
> > 2.9.2





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