add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/arch/arm/boot/dts/imx7d-pico-hobbit.dts
..
..
@@ -64,7 +64,7 @@
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 		interrupt-parent = <&gpio2>;
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 		interrupts = <7 0>;
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 		spi-max-frequency = <1000000>;
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-		pendown-gpio = <&gpio2 7 0>;
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+		pendown-gpio = <&gpio2 7 GPIO_ACTIVE_LOW>;
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 		vcc-supply = <&reg_3p3v>;
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 		ti,x-min = /bits/ 16 <0>;
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 		ti,x-max = /bits/ 16 <4095>;