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. > + > + vdd-supply: > + description: > + Definition of the regulator used as VCM chip power supply. > + maxItems: 1 Same here. > + > +required: > + - compatible > + - reg > + - vin-supply > + - vdd-supply > + > +additionalProperties: false > + > +examples: > + - | > + i2c2: i2c@11009000 { i2c { > + 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
