32 lines
537 B
Plaintext
32 lines
537 B
Plaintext
/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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fragment@0 {
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target = <&uart7>;
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__overlay__ {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&uart7m2_xfer &rs485_2_rts>;
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rs485-de-gpios = <&gpio3 RK_PD0 GPIO_ACTIVE_HIGH>;
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linux,rs485-enabled-at-boot-time;
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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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rs485_rts {
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rs485_2_rts:rs485_2_rts{
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rockchip,pins =
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<3 RK_PD0 RK_FUNC_GPIO &pcfg_pull_none>;
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};
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};
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};
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};
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};
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