[参考译文] AM623：如何在 UART1 上启用硬件流控制？

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https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1533135/am623-am623-how-to-enable-hw-flow-control-on-uart1

器件型号：AM623

工具/软件：

你（们）好

我们希望对 UART1 启用硬件流控制

默认情况下是否已启用？

	aliases {
		serial1 = &main_uart1;
		serial2 = &main_uart0;
		serial4 = &main_uart4;
		serial5 = &main_uart5;
		serial6 = &main_uart6;
		mmc0 = &sdhci0;
		mmc1 = &sdhci1;
		spi0 = &main_spi0;
		ethernet0 = &cpsw_port1;
		ethernet1 = &cpsw_port2;
		usb0 = &usb0;
		usb1 = &usb1;
		/delete-property/ mmc2;
	};

&main_pmx0 {
	main_uart1_pins_default: main-uart1-default-pins {
		bootph-pre-ram;
		pinctrl-single,pins = <
			AM62X_IOPAD(0x194, PIN_INPUT, 2) /* (B19/B18) MCASP0_AXR3.UART1_CTSn */
			AM62X_IOPAD(0x198, PIN_OUTPUT, 2) /* (A19/B17) MCASP0_AXR2.UART1_RTSn */
			AM62X_IOPAD(0x1ac, PIN_INPUT, 2) /* (E19/D15) MCASP0_AFSR.UART1_RXD */
			AM62X_IOPAD(0x1b0, PIN_OUTPUT, 2) /* (A20/D16) MCASP0_ACLKR.UART1_TXD */
		>;
	};
};
&main_uart1 {
	bootph-pre-ram;
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&main_uart1_pins_default>;
};

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