Commit 857b8508 authored by Mark Wang's avatar Mark Wang Committed by David Leach
Browse files

drivers: serial: NXP: Enable flow control for uart_mcux_lpuart 



add flow_ctrl filed and give it initialized value
    based on hw_flow_control.
Initialize mcux lpuart based on flow_ctrl

Signed-off-by: default avatarMark Wang <yichang.wang@nxp.com>
parent 00bfac00

drivers/serial/uart_mcux_lpuart.c

+5 −2
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2017, NXP

 * Copyright (c) 2017,2021 NXP

 * Copyright (c) 2020 Softube

 *

 * SPDX-License-Identifier: Apache-2.0
@@ -19,6 +19,7 @@ struct mcux_lpuart_config { 
	const struct device *clock_dev;

	clock_control_subsys_t clock_subsys;

	uint32_t baud_rate;

	uint8_t flow_ctrl;

#ifdef CONFIG_UART_INTERRUPT_DRIVEN

	void (*irq_config_func)(const struct device *dev);

#endif
@@ -357,7 +358,7 @@ static int mcux_lpuart_init(const struct device *dev) 
	uart_api_config->parity = UART_CFG_PARITY_NONE;

	uart_api_config->stop_bits = UART_CFG_STOP_BITS_1;

	uart_api_config->data_bits = UART_CFG_DATA_BITS_8;

	uart_api_config->flow_ctrl = UART_CFG_FLOW_CTRL_NONE;

	uart_api_config->flow_ctrl = config->flow_ctrl;



	/* set initial configuration */

	mcux_lpuart_configure_init(dev, uart_api_config);
@@ -430,6 +431,8 @@ static const struct mcux_lpuart_config mcux_lpuart_##n##_config = { \ 
	.clock_dev = DEVICE_DT_GET(DT_INST_CLOCKS_CTLR(n)),		\

	.clock_subsys = (clock_control_subsys_t)DT_INST_CLOCKS_CELL(n, name),\

	.baud_rate = DT_INST_PROP(n, current_speed),			\

	.flow_ctrl = DT_INST_PROP(n, hw_flow_control) ?	\

		UART_CFG_FLOW_CTRL_RTS_CTS : UART_CFG_FLOW_CTRL_NONE,\

	IRQ_FUNC_INIT							\

}

CRA Git | Maintained and supported by SUSTech CRA and CCSE