Dan, On 9/20/19 7:41 PM, Dan Murphy wrote: > Introduce the bindings for the Texas Instruments LP5036, LP5030, LP5024, > LP5018, LP5012 and LP5009 RGB LED device driver. The LP5036/30/24/18/12/9 > 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/lp5012.pdf > http://www.ti.com/lit/ds/symlink/lp5024.pdf > http://www.ti.com/lit/ds/symlink/lp5036.pdf > > Signed-off-by: Dan Murphy <dmurphy@xxxxxx> > --- > .../devicetree/bindings/leds/leds-lp50xx.txt | 148 ++++++++++++++++++ > 1 file changed, 148 insertions(+) > create mode 100644 Documentation/devicetree/bindings/leds/leds-lp50xx.txt > > diff --git a/Documentation/devicetree/bindings/leds/leds-lp50xx.txt b/Documentation/devicetree/bindings/leds/leds-lp50xx.txt > new file mode 100644 > index 000000000000..9d05f43042e0 > --- /dev/null > +++ b/Documentation/devicetree/bindings/leds/leds-lp50xx.txt > @@ -0,0 +1,148 @@ > +* Texas Instruments - LP5009/12/18/24/30/36 RGB LED driver > + > +The LP50XX is multi-channel, I2C RGB LED Drivers that can group RGB LEDs into > +a LED group or control them individually. > + > +The difference in these RGB LED drivers is the number of supported RGB modules. > + > +Required parent properties: > + - compatible: > + "ti,lp5009" > + "ti,lp5012" > + "ti,lp5018" > + "ti,lp5024" > + "ti,lp5030" > + "ti,lp5036" > + - reg : I2C slave address > + lp5009/12 - 0x28 > + lp5018/24 - 0x28 > + lp5030/36 - 0x30 > + - #address-cells : 1 > + - #size-cells : 0 > + > +Optional parent properties: > + - enable-gpios : gpio pin to enable/disable the device. > + - vled-supply : LED supply > + > +Required child properties: > + - #address-cells : 1 > + - #size-cells : 0 > + - reg : This is the LED module number. > + - color : see Documentation/devicetree/bindings/leds/common.txt > + - function : see Documentation/devicetree/bindings/leds/common.txt > + > +Required child properties only is LED modules will be banked: > + - ti,led-bank : This property denotes the LED module numbers that will > + be controlled as a single RGB cluster. Each LED module > + number will be controlled by a single LED class instance. > + There can only be one instance of the ti,led-bank > + property for each device node. > + > +Required grandchildren properties: > + - reg : A single entry denoting the LED module that controls > + the RGB cluster. > + - color : see Documentation/devicetree/bindings/leds/leds-multicolor.txt > + - led-sources : see Documentation/devicetree/bindings/leds/common.txt > + > +The LED outputs associated with the LED modules are defined in Table 1 of the > +corresponding data sheets. We must enclose this information here. > + > +LP5009 - 2 Total RGB cluster LED outputs 0-1 > +LP5012 - 4 Total RGB cluster LED outputs 0-3 > +LP5018 - 6 Total RGB cluster LED outputs 0-5 > +LP5024 - 8 Total RGB cluster LED outputs 0-7 > +LP5030 - 10 Total RGB cluster LED outputs 0-9 > +LP5036 - 12 Total RGB cluster LED outputs 0-11 > + > +Optional child properties: > + - label : see Documentation/devicetree/bindings/leds/common.txt > + - linux,default-trigger : > + see Documentation/devicetree/bindings/leds/common.txt > + > +Examples: > +led-controller@29 { > + #address-cells = <1>; > + #size-cells = <0>; > + compatible = "ti,lp5024"; > + reg = <0x29>; > + enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; > + vled-supply = <&vmmcsd_fixed>; > + > + multi-led@1 { > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <1>; > + color = <LED_COLOR_ID_MULTI>; > + function = LED_FUNCTION_STATUS; > + > + led@3 { > + reg = <3>; > + color = <LED_COLOR_ID_RED>; > + }; > + > + led@4 { > + reg = <4>; > + color = <LED_COLOR_ID_GREEN>; > + }; > + > + led@5 { > + reg = <5>; > + color = <LED_COLOR_ID_BLUE>; > + }; > + }; > + > + multi-led@2 { > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <2>; > + color = <LED_COLOR_ID_MULTI>; > + function = LED_FUNCTION_STANDBY; > + ti,led-bank = <2 3 5>; > + > + led@6 { > + reg = <0x6>; > + color = <LED_COLOR_ID_RED>; > + led-sources = <6 9 15>; > + }; > + > + led@7 { > + reg = <0x7>; > + color = <LED_COLOR_ID_GREEN>; > + led-sources = <7 10 16>; > + }; > + > + led@8 { > + reg = <0x8>; > + color = <LED_COLOR_ID_BLUE>; > + led-sources = <8 11 17>; > + }; > + }; > + > + multi-led@4 { > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <4>; > + color = <LED_COLOR_ID_MULTI>; > + function = LED_FUNCTION_ACTIVITY; > + > + led@12 { > + reg = <12>; > + color = <LED_COLOR_ID_RED>; > + }; > + > + led@13 { > + reg = <13>; > + color = <LED_COLOR_ID_GREEN>; > + }; > + > + led@14 { > + reg = <14>; > + color = <LED_COLOR_ID_BLUE>; > + }; > + }; > +}; > + > +For more product information please see the link below: > +http://www.ti.com/lit/ds/symlink/lp5012.pdf > +http://www.ti.com/lit/ds/symlink/lp5024.pdf > +http://www.ti.com/lit/ds/symlink/lp5036.pdf > -- Best regards, Jacek Anaszewski
