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BPI-CM9-Linux/build/patch/kernel/archive/sunxi-6.18/overlay_64/sun50i-a64-uart2.dtso
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/dts-v1/;
/plugin/;
/ {
compatible = "allwinner,sun50i-a64";
fragment@0 {
target-path = "/aliases";
__overlay__ {
serial2 = "/soc/serial@1c28800";
};
};
fragment@1 {
target = <&pio>;
__overlay__ {
uart2_pins: uart2-pins {
pins = "PB0", "PB1";
function = "uart2";
};
uart2_rts_cts_pins: uart2-rts-cts-pins {
pins = "PB2", "PB3";
function = "uart2";
};
};
};
fragment@2 {
target = <&uart2>;
__overlay__ {
pinctrl-names = "default";
pinctrl-0 = <&uart2_pins>;
status = "okay";
};
};
};