增加sysfs接口

hc

2023-08-30 862c27fc9920c83318c784bfdadf43a65df1ec8f

 kernel/arch/arm64/boot/dts/rockchip/NK-R36S0.dtsi
..
..
@@ -93,6 +93,9 @@
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          	compatible = "nk_io_control";	
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 			pinctrl-names = "default";
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         	pinctrl-0 = <&nk_io_gpio>;
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+			
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+			//gpio_op0 = <&gpio1 RK_PD0 GPIO_ACTIVE_HIGH>;
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+			
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 			vcc_5v {
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 				gpio_num = <&gpio1 RK_PA4 GPIO_ACTIVE_HIGH>; //VCC5_IO_EN_GPIO1_A4_3V3
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 				gpio_function = <0>;