Brian On 4/2/19 8:24 AM, Brian Masney wrote: > On Tue, Apr 02, 2019 at 07:56:55AM -0500, Dan Murphy wrote: >> This would connect control bank B to control bank A. Or just use a flag to denote to connect them >> and not use led-sources. But led-sources is the property of choice. >> >> led@0 { >> reg = <0>; >> led-sources = < 0 1 >; >> label = "main-lcd"; >> default-brightness = <200>; >> max-brightness = <255>; >> }; > > OK, I see. I wondered how we could do that in device tree. > >>> + 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 >>> + >> >> label and led-sources are already defined in the common.txt no need to redefine them here. > > If I'm going to use the new-style bindings, then I'll need to convert > common.txt over to use the new format as well so that the automated > schema validations will work. I'm willing to do that work if there is > interest from the LED / backlight maintainers. The main issue is that > there are 62 references to the file common.txt in the directory > Documentation/devicetree/bindings/leds/. Would the maintainers prefer: > > - Once common.txt is converted to common.yaml, make common.txt only > have a line stating that the common bindings were moved into > common.yaml. We can remove this file once all of the other bindings > are converted to the new-style format. > > - Update all references to common.txt to common.yaml. (1 patch or 62 > patches?) > > - Or, just go with the older-style binding format for now. > > Thanks Dan for your other comments. They make sense and I'll incorporate > those changes into my next version. > That is up to the maintainers. Also one other comment I noticed when reviewing the code that there is no definition to which child led properties are optional and which are required? Dan > Brian > -- ------------------ Dan Murphy