add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/Documentation/devicetree/bindings/regulator/da9211.txt
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@@ -15,6 +15,8 @@
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 Optional properties:
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 - enable-gpios: platform gpio for control of BUCKA/BUCKB.
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 - Any optional property defined in regulator.txt
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+  - regulator-initial-mode and regulator-allowed-modes may be specified using
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+    mode values from dt-bindings/regulator/dlg,da9211-regulator.h
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 Example 1) DA9211
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 	pmic: da9211@68 {
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@@ -30,6 +32,8 @@
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 				regulator-min-microamp 	= <2000000>;
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 				regulator-max-microamp 	= <5000000>;
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 				enable-gpios = <&gpio 27 0>;
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+				regulator-allowed-modes = <DA9211_BUCK_MODE_SYNC
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+							   DA9211_BUCK_MODE_AUTO>;
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 			};
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 		};
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 	};