/dts-v1/;
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/plugin/;
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/pinctrl/rockchip.h>
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/ {
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metadata {
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title = "Enable external antenna";
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compatible = "radxa,zero3";
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category = "misc";
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exclusive = "GPIO3_D2";
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description = "Enable external antenna.";
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};
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fragment@0 {
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target-path = "/";
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__overlay__ {
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board_antenna: board-antenna {
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status = "okay";
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compatible = "regulator-fixed";
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enable-active-low;
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gpio = <&gpio3 RK_PD2 GPIO_ACTIVE_LOW>;
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regulator-always-on;
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regulator-boot-on;
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pinctrl-0 = <&ant_1>;
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pinctrl-names = "default";
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regulator-name = "board_antenna";
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};
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};
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};
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fragment@1 {
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target = <&pinctrl>;
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__overlay__ {
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antenna {
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ant_1: ant-1 {
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rockchip,pins = <3 RK_PD2 RK_FUNC_GPIO &pcfg_pull_down>;
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};
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};
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};
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};
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};
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