3  * Serial port driver for NXP LPC18xx/43xx UART
93 	struct uart_8250_port uart;  in lpc18xx_serial_probe()  local
103 	memset(&uart, 0, sizeof(uart));  in lpc18xx_serial_probe()
105 	uart.port.membase = devm_ioremap(&pdev->dev, res->start,  in lpc18xx_serial_probe()
107 	if (!uart.port.membase)  in lpc18xx_serial_probe()
116 		dev_err(&pdev->dev, "uart clock not found\n");  in lpc18xx_serial_probe()
134 		dev_err(&pdev->dev, "unable to enable uart clock\n");  in lpc18xx_serial_probe()
141 	spin_lock_init(&uart.port.lock);  in lpc18xx_serial_probe()
142 	uart.port.dev = &pdev->dev;  in lpc18xx_serial_probe()
143 	uart.port.mapbase = res->start;  in lpc18xx_serial_probe()
144 	uart.port.type = PORT_16550A;  in lpc18xx_serial_probe()
145 	uart.port.flags = UPF_FIXED_PORT | UPF_FIXED_TYPE | UPF_SKIP_TEST;  in lpc18xx_serial_probe()
146 	uart.port.uartclk = clk_get_rate(data->clk_uart);  in lpc18xx_serial_probe()
147 	uart.port.private_data = data;  in lpc18xx_serial_probe()
148 	uart.port.rs485_config = lpc18xx_rs485_config;  in lpc18xx_serial_probe()
149 	uart.port.rs485_supported = lpc18xx_rs485_supported;  in lpc18xx_serial_probe()
150 	uart.port.serial_out = lpc18xx_uart_serial_out;  in lpc18xx_serial_probe()
152 	ret = uart_read_port_properties(&uart.port);  in lpc18xx_serial_probe()
156 	uart.port.iotype = UPIO_MEM32;  in lpc18xx_serial_probe()
157 	uart.port.regshift = 2;  in lpc18xx_serial_probe()
159 	uart.dma = &data->dma;  in lpc18xx_serial_probe()
160 	uart.dma->rxconf.src_maxburst = 1;  in lpc18xx_serial_probe()
161 	uart.dma->txconf.dst_maxburst = 1;  in lpc18xx_serial_probe()
163 	ret = serial8250_register_8250_port(&uart);  in lpc18xx_serial_probe()
191 	{ .compatible = "nxp,lpc1850-uart" },
200 		.name = "lpc18xx-uart",