RE: [PATCH v2 1/2] dt-bindings: backlight: Add MPS MP3309C

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Hi Conor,

...


> On Fri, Sep 15, 2023 at 04:05:15PM +0200, Flavio Suligoi wrote:
> > The Monolithic Power (MPS) MP3309C is a WLED step-up converter,
> > featuring a programmable switching frequency to optimize efficiency.
> > The brightness can be controlled either by I2C commands (called "analog"
> > mode) or by a PWM input signal (PWM mode).
> > This driver supports both modes.
> >
> > For device driver details, please refer to:
> > - drivers/video/backlight/mp3309c_bl.c
> >
> > The datasheet is available at:
> > - https://www.monolithicpower.com/en/mp3309c.html
> >
> > Signed-off-by: Flavio Suligoi <f.suligoi@xxxxxxx>
> > ---
> >
> > v2:
> >  - remove useless properties (dimming-mode, pinctrl-names, pinctrl-0,
> >    switch-on-delay-ms, switch-off-delay-ms, reset-gpios, reset-on-delay-ms,
> >    reset-on-length-ms)
> >  - add common.yaml#
> >  - remove already included properties (default-brightness,
> > max-brightness)
> >  - substitute three boolean properties, used for the overvoltage-protection
> >    values, with a single enum property
> >  - remove some conditional definitions
> >  - remove the 2nd example
> > v1:
> >  - first version
> >
> >  .../bindings/leds/backlight/mps,mp3309c.yaml  | 73
> > +++++++++++++++++++
> >  1 file changed, 73 insertions(+)
> >  create mode 100644
> > Documentation/devicetree/bindings/leds/backlight/mps,mp3309c.yaml
> >
> > diff --git
> > a/Documentation/devicetree/bindings/leds/backlight/mps,mp3309c.yaml
> > b/Documentation/devicetree/bindings/leds/backlight/mps,mp3309c.yaml
> > new file mode 100644
> > index 000000000000..99ccdba2c08f
> > --- /dev/null
> > +++
> b/Documentation/devicetree/bindings/leds/backlight/mps,mp3309c.yam
> > +++ l
> > @@ -0,0 +1,73 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) %YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/leds/backlight/mps,mp3309c.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: MPS MP3309C backlight
> > +
> > +maintainers:
> > +  - Flavio Suligoi <f.suligoi@xxxxxxx>

...

> > +  mps,overvoltage-protection-microvolt:
> > +    description: Overvoltage protection (13.5V, 24V or 35.5V). If missing, the
> > +      hardware default of 35.5V is used.
> > +    enum: [ 13500000, 24000000, 35500000 ]
> You can add "default: 35500000" and drop the free form default as text in the
> description.

Ok, thanks.

> 
> Cheers,
> Conor.
> 
> > +
> > +  mps,no-sync-mode:
> > +    description: disable synchronous rectification mode
> > +    type: boolean
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - max-brightness
> > +  - default-brightness
> > +
> > +unevaluatedProperties: false
> > +
> > +examples:
> > +  - |
> > +    i2c {
> > +        #address-cells = <1>;
> > +        #size-cells = <0>;
> > +
> > +        /* Backlight with PWM control */
> > +        backlight_pwm: backlight@17 {
> > +            compatible = "mps,mp3309c-backlight";
> 
> As the bot pointed out, the compatible doesn't contain "backlight".

Right, fixed!

Thanks and regards,
Flavio




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