Commit 7179ef51 authored by Chun-Chieh Li's avatar Chun-Chieh Li Committed by Benjamin Cabé
Browse files

drivers: serial: numaker: support hw-flow-control 



This honors dts config hw-flow-control to enable flow control cts/rts
at driver init stage.

Signed-off-by: default avatarChun-Chieh Li <ccli8@nuvoton.com>
parent 1f928902

drivers/serial/uart_numaker.c

+12 −0
Original line number Diff line number Diff line
@@ -231,6 +231,15 @@ static int uart_numaker_init(const struct device *dev) 


	UART_Open(config->uart, pData->ucfg.baudrate);



	if (pData->ucfg.flow_ctrl == UART_CFG_FLOW_CTRL_NONE) {

		UART_DisableFlowCtrl(config->uart);

	} else if (pData->ucfg.flow_ctrl == UART_CFG_FLOW_CTRL_RTS_CTS) {

		UART_EnableFlowCtrl(config->uart);

	} else {

		LOG_ERR("H/W flow control (%d) not support", pData->ucfg.flow_ctrl);

		return -ENOTSUP;

	}



#ifdef CONFIG_UART_INTERRUPT_DRIVEN

	config->irq_config_func(dev);

#endif
@@ -439,6 +448,9 @@ static DEVICE_API(uart, uart_numaker_driver_api) = { 
		.ucfg =                                                                            \

			{                                                                          \

				.baudrate = DT_INST_PROP(inst, current_speed),                     \

				.flow_ctrl = COND_CODE_1(DT_INST_PROP_OR(inst, hw_flow_control, 0),\

							 (UART_CFG_FLOW_CTRL_RTS_CTS),             \

							 (UART_CFG_FLOW_CTRL_NONE)),               \

			},                                                                         \

	};                                                                                         \

                                                                                                   \

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