rockchip/rk3399/rp-uarts.dtsi

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2025-04-28 03:36:59 +00:00
//used to bluetooth
&uart0 {
status = "okay";
//dma-names = "tx", "rx";
//dmas = <&dmac_peri 0>, <&dmac_peri 1>;
};
//conflicts to ethernet
&uart1 {
status = "disabled";
//dma-names = "tx", "rx";
//dmas = <&dmac_peri 2>, <&dmac_peri 3>;
};
//conflicts to debugger
&uart2 {
status = "disabled";
//dma-names = "tx", "rx";
//dmas = <&dmac_peri 4>, <&dmac_peri 5>;
};
//conflicts to ethernet
&uart3 {
status = "disabled";
//dma-names = "tx", "rx";
//dmas = <&dmac_peri 6>, <&dmac_peri 7>;
};
&uart4 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&uart4_xfer>;
dma-names = "tx", "rx";
dmas = <&dmac_peri 8>, <&dmac_peri 9>;
};
&fiq_debugger {
rockchip,serial-id = <2>; //uart2
rockchip,wake-irq = <0>;
rockchip,irq-mode-enable = <1>;
compatible = "rockchip,fiq-debugger";
rockchip,baudrate = <115200>;
pinctrl-names = "default";
pinctrl-0 = <&uart2c_xfer>;
};