add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/Documentation/devicetree/bindings/mfd/rn5t618.txt
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@@ -14,6 +14,12 @@
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 		"ricoh,rc5t619"
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  - reg: the I2C slave address of the device
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+Optional properties:
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+ - interrupts: interrupt mapping for IRQ
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+   See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
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+ - system-power-controller:
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+   See Documentation/devicetree/bindings/power/power-controller.txt
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+
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 Sub-nodes:
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  - regulators: the node is required if the regulator functionality is
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    needed. The valid regulator names are: DCDC1, DCDC2, DCDC3, DCDC4
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@@ -28,6 +34,9 @@
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 	pmic@32 {
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 		compatible = "ricoh,rn5t618";
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 		reg = <0x32>;
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+		interrupt-parent = <&gpio5>;
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+		interrupts = <11 IRQ_TYPE_EDGE_FALLING>;
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+		system-power-controller;
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 		regulators {
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 			DCDC1 {