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SubjectRe: [PATCH 1/2] dt: bindings: lp5024: Introduce the lp5024 and lp5018 RGB driver
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Rob

On 12/28/18 5:53 PM, Rob Herring wrote:
> On Wed, Dec 19, 2018 at 10:26:25AM -0600, Dan Murphy wrote:
>> Introduce the bindings for the Texas Instruments LP5024 and the LP5018
>> RGB LED device driver. The LP5024/18 can control RGB LEDs individually
>> or as part of a control bank group. These devices have the ability
>> to adjust the mixing control for the RGB LEDs to obtain different colors
>> independent of the overall brightness of the LED grouping.
>>
>> Datasheet:
>> http://www.ti.com/lit/ds/symlink/lp5024.pdf
>>
>> Signed-off-by: Dan Murphy <dmurphy@ti.com>
>> ---
>> .../devicetree/bindings/leds/leds-lp5024.txt | 63 +++++++++++++++++++
>> 1 file changed, 63 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/leds/leds-lp5024.txt
>>
>> diff --git a/Documentation/devicetree/bindings/leds/leds-lp5024.txt b/Documentation/devicetree/bindings/leds/leds-lp5024.txt
>> new file mode 100644
>> index 000000000000..9567aa6f7813
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/leds/leds-lp5024.txt
>> @@ -0,0 +1,63 @@
>> +* Texas Instruments - LP5024/18 RGB LED driver
>> +
>> +The LM3692x is an ultra-compact, highly efficient,
>> +white-LED driver designed for LCD display backlighting.
>
> Leftover copy-n-paste?
>

ACK
I have this updated for v2.

>> +
>> +The main difference between the LP5024 and L5018 is the number of
>> +RGB LEDs they support. The LP5024 supports twenty four strings while the
>> +LP5018 supports eighteen strings.
>> +
>> +Required properties:
>> + - compatible:
>> + "ti,lp5018"
>> + "ti,lp5024"
>> + - reg : I2C slave address
>> + - #address-cells : 1
>> + - #size-cells : 0
>> +
>> +Optional properties:
>> + - enable-gpios : gpio pin to enable/disable the device.
>> + - vled-supply : LED supply
>> +
>> +Required child properties:
>> + - reg : Is the child node iteration.
>> + - led-sources : LP5024 - 0 - 7
>> + LP5018 - 0 - 5
>> + Declares the LED string or strings that the child node
>> + will control. If ti,control-bank is set then this
>> + property will contain multiple LED IDs.
>> +
>> +Optional child properties:
>> + - label : see Documentation/devicetree/bindings/leds/common.txt
>> + - linux,default-trigger :
>> + see Documentation/devicetree/bindings/leds/common.txt
>> + - ti,control-bank : Indicates that the LED strings declared in the
>> + led-sources property are grouped within a control
>> + bank for brightness and mixing control.
>> +
>> +Example:
>> +
>> +led-controller@28 {
>> + compatible = "ti,lp5024";
>> + reg = <0x28>;
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> +
>> + enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
>> + vled-supply = <&vbatt>;
>> +
>> + led@0 {
>> + reg = <0>;
>> + led-sources = <1>;
>> + };
>> +
>> + led@1 {
>> + reg = <1>;
>> + led-sources = <0 6>;
>> + ti,control-bank;
>> + };
>> +
>> +}
>> +
>> +For more product information please see the link below:
>> +http://www.ti.com/lit/ds/symlink/lp5024.pdf
>> --
>> 2.20.0.rc2.7.g965798d1f2
>>


--
------------------
Dan Murphy

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