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@xxxxxxxxxxxxx> > --- > .../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@xxxxxxxxxx> > + - Daniel Thompson <daniel.thompson@xxxxxxxxxx> > + - Jingoo Han <jingoohan1@xxxxxxxxx> > + > +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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