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    SubjectRe: [PATCH v2 2/3] dt-bindings: backlight: add lm3630a bindings
    On Mon 2019-04-01 06:30:33, Brian Masney wrote:
    > Add new backlight bindings for the TI LM3630A dual-string white LED.
    >
    > Signed-off-by: Brian Masney <masneyb@onstation.org>
    > ---
    > .../leds/backlight/lm3630a-backlight.yaml | 112
    ++++++++++++++++++

    What is that? Is it future of all the bindings?

    Up to device tree people, I guess, but...

    Pavel


    > 1 file changed, 112 insertions(+)
    > create mode 100644 Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml
    >
    > diff --git a/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml
    > new file mode 100644
    > index 000000000000..42a8c59d237a
    > --- /dev/null
    > +++ b/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml
    > @@ -0,0 +1,112 @@
    > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
    > +%YAML 1.2
    > +---
    > +$id: http://devicetree.org/schemas/leds/backlight/lm3630a-backlight.yaml#
    > +$schema: http://devicetree.org/meta-schemas/core.yaml#
    > +
    > +title: TI LM3630A High-Efficiency Dual-String White LED
    > +
    > +maintainers:
    > + - Lee Jones <lee.jones@linaro.org>
    > + - Daniel Thompson <daniel.thompson@linaro.org>
    > + - Jingoo Han <jingoohan1@gmail.com>
    > +
    > +description: |
    > + The LM3630A is a current-mode boost converter which supplies the power and
    > + controls the current in up to two strings of 10 LEDs per string.
    > + https://www.ti.com/product/LM3630A
    > +
    > +properties:
    > + compatible:
    > + const: ti,lm3630a
    > +
    > + reg:
    > + maxItems: 1
    > +
    > + ti,linear-mapping-mode:
    > + description: |
    > + Enable linear mapping mode. If disabled, then it will use exponential
    > + mapping mode in which the ramp up/down appears to have a more uniform
    > + tranisiton to the human eye.
    > + type: boolean
    > +
    > +required:
    > + - compatible
    > + - reg
    > +
    > +patternProperties:
    > + "^led*$":
    > + type: object
    > + description: |
    > + Properties for a string of connected LEDs.
    > +
    > + properties:
    > + label:
    > + description: |
    > + The label for this LED. If omitted, the label is taken from the node
    > + name (excluding the unit address). It has to uniquely identify a
    > + device, i.e. no other LED class device can be assigned the same label.
    > +
    > + led-sources:
    > + description: |
    > + List of device current outputs the LED is connected to.
    > + allOf:
    > + - $ref: /schemas/types.yaml#/definitions/uint32-array
    > + - minItems: 1
    > + maxItems: 2
    > + items:
    > + minimum: 0
    > + maximum: 1
    > +
    > + default-brightness:
    > + description: Default brightness level on boot.
    > + minimum: 0
    > + maximum: 255
    > +
    > + max-brightness:
    > + description: Maximum brightness level on boot.
    > + minimum: 0
    > + maximum: 255
    > +
    > +examples:
    > + - |
    > + i2c {
    > + #address-cells = <1>;
    > + #size-cells = <0>;
    > +
    > + lm3630a_bl@38 {
    > + compatible = "ti,lm3630a";
    > + status = "ok";
    > + reg = <0x38>;
    > +
    > + led {
    > + label = "main-lcd";
    > + led-sources = <0 1>;
    > + default-brightness = <200>;
    > + max-brightness = <255>;
    > + };
    > + };
    > + };
    > + - |
    > + i2c {
    > + #address-cells = <1>;
    > + #size-cells = <0>;
    > +
    > + lm3630a_bl@38 {
    > + compatible = "ti,lm3630a";
    > + status = "ok";
    > + reg = <0x38>;
    > +
    > + led-bank-a {
    > + led-sources = <0>;
    > + default-brightness = <150>;
    > + ti,linear-mapping-mode;
    > + };
    > +
    > + led-bank-b {
    > + led-sources = <1>;
    > + default-brightness = <225>;
    > + ti,linear-mapping-mode;
    > + };
    > + };
    > + };

    --
    (english) http://www.livejournal.com/~pavelmachek
    (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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