ARM: dts: qcom: msm8974-hammerhead: Add notification LED

Nexus 5 has a RGB LED connected to the TRILED and hence channels 7, 6 and
5 of the LPG. Add a node describing this.

Signed-off-by: Luca Weiss <[e-mail]>
Signed-off-by: André Almeida <[e-mail]>
Reported-by: kernel test robot <[e-mail]>
Signed-off-by: Bjorn Andersson <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts

···
 #include "qcom-pm8841.dtsi"
 #include "qcom-pm8941.dtsi"
 #include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
 
 / {
···
 		gpios = <35 GPIO_ACTIVE_HIGH>;
 		output-high;
 		line-name = "otg-gpio";
+	};
+};
+
+&pm8941_lpg {
+	status = "okay";
+
+	qcom,power-source = <1>;
+
+	multi-led {
+		color = <LED_COLOR_ID_RGB>;
+		function = LED_FUNCTION_STATUS;
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		led@7 {
+			reg = <7>;
+			color = <LED_COLOR_ID_RED>;
+		};
+
+		led@6 {
+			reg = <6>;
+			color = <LED_COLOR_ID_GREEN>;
+		};
+
+		led@5 {
+			reg = <5>;
+			color = <LED_COLOR_ID_BLUE>;
+		};
 	};
 };