Re: [PATCH v4 2/2] dt-bindings: leds: backlight: Add Kinetic KTZ8866 backlight

From: Jianhua Lu
Date: Tue Jan 17 2023 - 09:29:13 EST


On Tue, Jan 17, 2023 at 02:22:04PM +0000, Daniel Thompson wrote:
> On Tue, Jan 17, 2023 at 09:47:42PM +0800, Jianhua Lu wrote:
> > Add Kinetic KTZ8866 backlight binding documentation.
> >
> > Signed-off-by: Jianhua Lu <lujianhua000@xxxxxxxxx>
>
> Might be a good idea to take a look at this bit of the docs because
> the patchset is not in the right order (I.5):
> https://docs.kernel.org/devicetree/bindings/submitting-patches.html
Thanks, I will read it.
>
>
> > ---
> > Changes in v2:
> > - Remove "items" between "compatible" and "const: kinetic,ktz8866"
> > - Change "additionalProperties" to "unevaluatedProperties"
> >
> > Changes in v3:
> > - Add Krzysztof's R-b
> >
> > Changes in v4:
> > - Drop Krzysztof's R-b
> > - Add some new properties
> >
> > .../leds/backlight/kinetic,ktz8866.yaml | 54 +++++++++++++++++++
> > 1 file changed, 54 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/leds/backlight/kinetic,ktz8866.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/leds/backlight/kinetic,ktz8866.yaml b/Documentation/devicetree/bindings/leds/backlight/kinetic,ktz8866.yaml
> > new file mode 100644
> > index 000000000000..18571d69accb
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/leds/backlight/kinetic,ktz8866.yaml
> > @@ -0,0 +1,54 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/leds/backlight/kinetic,ktz8866.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Kinetic Technologies KTZ8866 backlight
> > +
> > +maintainers:
> > + - Jianhua Lu <lujianhua000@xxxxxxxxx>
> > +
> > +description: |
> > + The Kinetic Technologies KTZ8866 is a high efficiency 6-sinks led backlight
> > + with dual lcd bias power.
> > + https://www.kinet-ic.com/ktz8866/
> > +
> > +allOf:
> > + - $ref: common.yaml#
> > +
> > +properties:
> > + compatible:
> > + const: kinetic,ktz8866
> > +
> > + current-num-sinks:
> > + description: Number of LED current sinks.
> > +
> > + current-ramping-time:
> > + description: LED current ramping time.
>
> Needs to document know what units this value is expressed in. IIRC
> this should be expressed in SI units and included the property name.
> Something like:
>
> current-ramping-time-us:
> description: LED current ramping time in microseconds.
>
Get it, I will send a new version patch.
>
> > +
> > + led-ramping-time:
> > + description: LED on/off ramping time.
>
> +1
>
>
> Daniel.