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SubjectRe: [PATCH 2/2] dt-bindings: leds: Add bindings for MT6360 LED
Dan Murphy <dmurphy@ti.com> 於 2020年8月26日 週三 下午7:54寫道:
>
> Gene
>
> On 8/26/20 6:37 AM, Gene Chen wrote:
> > From: Gene Chen <gene_chen@richtek.com>
> >
> > Add bindings document for LED support on MT6360 PMIC
>
> Usually bindings are 1/x in the patchset.
>

ACK

> And you should cc Rob Herring and the Device tree mail list other wise
> the maintainer will not apply this patch without their ACKs
>
>

ACK

> > Signed-off-by: Gene Chen <gene_chen@richtek.com>
> > ---
> > .../devicetree/bindings/leds/leds-mt6360.yaml | 50 ++++++++++++++++++++++
> > 1 file changed, 50 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/leds/leds-mt6360.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/leds/leds-mt6360.yaml b/Documentation/devicetree/bindings/leds/leds-mt6360.yaml
> > new file mode 100644
> > index 0000000..4598be5
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/leds/leds-mt6360.yaml
> > @@ -0,0 +1,50 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/leds/leds-mt6360.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: LED driver for MT6360 PMIC from MediaTek Integrated.
> > +
> > +maintainers:
> > + - Gene Chen <gene_chen@richtek.com>
> > +
> > +description: |
> > + This module is part of the MT6360 MFD device. For more details
> > + see Documentation/devicetree/bindings/mfd/mt6360.yaml.
>
> I think you need to include this yaml using allof tag
>
>

I try add allOf tag
allOf:
- $ref: "../mfd/mt6360.yaml"

then the required property contains mt6360.yaml, which leads to build dt error.
/media/gene_chen/WD/upstream/linux/Documentation/devicetree/bindings/leds/leds-mt6360.example.dt.yaml:
led-controller: 'reg' is a required property
/media/gene_chen/WD/upstream/linux/Documentation/devicetree/bindings/leds/leds-mt6360.example.dt.yaml:
led-controller: 'interrupt-controller' is a required property
/media/gene_chen/WD/upstream/linux/Documentation/devicetree/bindings/leds/leds-mt6360.example.dt.yaml:
led-controller: '#interrupt-cells' is a required property
/media/gene_chen/WD/upstream/linux/Documentation/devicetree/bindings/leds/leds-mt6360.example.dt.yaml:
led-controller: compatible:0: 'mediatek,mt6360' was expected

I think I can remove this description for misread.

> > +
> > + The LED controller is represented as a sub-node of the PMIC node on
> > + the device tree.
> > +
> > + This device has six current sinks.
> > +
> > +properties:
> > + compatible:
> > + const: mediatek,mt6360-led
> > +
> > + "#address-cells":
> > + const: 1
> > +
> > + "#size-cells":
> > + const: 0
> > +
> > +patternProperties:
> > + "^led@[0-5]$":
> > + type: object
> > + description: |
> > + Properties for a single LED.
> > +
> > + properties:
> > + reg:
> > + description:
> > + Index of the LED.
> > + minimum: 0
> > + maximum: 5
> > +
> > +required:
> > + - compatible
> > + - "#address-cells"
> > + - "#size-cells"
> > +additionalProperties: false
> > +
> Need a new line
>
>
> And an example
>
> > +...

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