linux-kernel - [PATCH v18 1/4] dt: bindings: Add multicolor class dt bindings documention

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Date:   Tue, 24 Mar 2020 13:14:31 -0500
From:   Dan Murphy <dmurphy@...com>
To:     <jacek.anaszewski@...il.com>, <pavel@....cz>
CC:     <linux-leds@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Dan Murphy <dmurphy@...com>
Subject: [PATCH v18 1/4] dt: bindings: Add multicolor class dt bindings documention

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..4b1bd82f2a42
--- /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:
+	- 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_CHARGING;
+
+
+		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>;
+		};
+	};
+
+	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>;
+		};
+	};
+
+};
-- 
2.25.1