linux-kernel - Re: [PATCH v11 01/16] dt: bindings: Add multicolor class dt bindings documention

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Date:   Wed, 9 Oct 2019 19:49:17 -0500
From:   Dan Murphy <dmurphy@...com>
To:     Jacek Anaszewski <jacek.anaszewski@...il.com>, <pavel@....cz>
CC:     <linux-leds@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v11 01/16] dt: bindings: Add multicolor class dt bindings
 documention

Jacek

On 10/9/19 5:07 PM, Jacek Anaszewski wrote:
> Dan,
>
> On 10/8/19 10:47 PM, Dan Murphy wrote:
>> Add DT bindings for the LEDs multicolor class framework.
>>
>> Signed-off-by: Dan Murphy <dmurphy@...com>
>> ---
>>   .../bindings/leds/leds-class-multicolor.txt   | 98 +++++++++++++++++++
>>   1 file changed, 98 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/leds/leds-class-multicolor.txt
>>
>> diff --git a/Documentation/devicetree/bindings/leds/leds-class-multicolor.txt b/Documentation/devicetree/bindings/leds/leds-class-multicolor.txt
>> new file mode 100644
>> index 000000000000..8619c9bf1811
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/leds/leds-class-multicolor.txt
>> @@ -0,0 +1,98 @@
>> +* Multicolor LED properties
>> +
>> +Bindings for multi color LEDs show how to describe current outputs of
>> +either integrated multi-color LED elements (like RGB, RGBW, RGBWA-UV
>> +etc.) or standalone LEDs, to achieve logically grouped multi-color LED
>> +modules. This is achieved by adding multi-led nodes layer to the
>> +monochrome LED bindings.
>> +
>> +The nodes and properties defined in this document are unique to the multicolor
>> +LED class.  Common LED nodes and properties are inherited from the common.txt
>> +within this documentation directory.
>> +
>> +Required LED Child properties:
> s/Child/child/

Ack


>
>> +	- color : For multicolor LED support this property should be defined as
>> +		  LED_COLOR_ID_MULTI and further definition can be found in
>> +		  include/linux/leds/common.h.
>> +
>> +led-controller@30 {
>> +	#address-cells = <1>;
>> +	#size-cells = <0>;
>> +	compatible = "ti,lp5024";
>> +	reg = <0x29>;
>> +
>> +	multi-led@1 {
>> +		#address-cells = <1>;
>> +		#size-cells = <0>;
>> +		reg = <1>;
>> +		color = <LED_COLOR_ID_MULTI>;
>> +		function = LED_FUNCTION_STATUS;
> Status is not too fancy function for multi color LED ;-)
> I'd skip it entirely for this example if we don't have
> anything suitable at the moment for our disposal.

Not sure I understand.  Status is a good example as a RGB module can be 
used to present charging status

Unless I misinterpreted your comment.

Dan