Re: [PATCH v3 2/9] dt: bindings: Add multicolor class dt bindings documention
From: Rob Herring <robh@kernel.org>
Date: 2019-06-14 17:00:20
Also in:
linux-leds, lkml
On Thu, May 23, 2019 at 02:08:13PM -0500, Dan Murphy wrote:
quoted hunk ↗ jump to hunk
Add DT bindings for the LEDs multicolor class framework. Signed-off-by: Dan Murphy <redacted> --- .../bindings/leds/leds-class-multicolor.txt | 97 +++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-class-multicolor.txtdiff --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..e2a2ce3279cb --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-class-multicolor.txt@@ -0,0 +1,97 @@ +* Multicolor LED properties + +Multicolor LEDs can consist of a RGB, RGBW or a RGBA LED clusters. These devices +can be grouped together and also provide a modeling mechanism so that the +cluster LEDs can vary in hue and intensity to produce a wide range of colors. + +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: + - 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@4 {
Typically we sort by address order.
+ #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>;
+ };
+ };
+
+ /* Only support RGB no model defined */I don't understand this comment.
+ multi-led@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ color = <LED_COLOR_ID_MULTI>;
+ function = LED_FUNCTION_;??
+
+
+ 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>;
+ color = <LED_COLOR_ID_MULTI>;
+ function = LED_FUNCTION_ACTIVITY;
+ reg = <2>;
+ 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>;
+ };
+ };
+
+};
--
2.21.0.5.gaeb582a983