Lines Matching +full:uart +full:- +full:16550 +full:- +full:compatible
1 // SPDX-License-Identifier: GPL-2.0+
36 struct device *dev = &ofdev->dev; in of_platform_serial_setup()
37 struct device_node *np = dev->of_node; in of_platform_serial_setup()
38 struct uart_port *port = &up->port; in of_platform_serial_setup()
44 pm_runtime_enable(&ofdev->dev); in of_platform_serial_setup()
45 pm_runtime_get_sync(&ofdev->dev); in of_platform_serial_setup()
47 if (of_property_read_u32(np, "clock-frequency", &clk)) { in of_platform_serial_setup()
50 info->clk = devm_clk_get_enabled(dev, NULL); in of_platform_serial_setup()
51 if (IS_ERR(info->clk)) { in of_platform_serial_setup()
52 ret = dev_err_probe(dev, PTR_ERR(info->clk), "failed to get clock\n"); in of_platform_serial_setup()
56 clk = clk_get_rate(info->clk); in of_platform_serial_setup()
58 /* If current-speed was set, then try not to change it. */ in of_platform_serial_setup()
59 if (of_property_read_u32(np, "current-speed", &spd) == 0) in of_platform_serial_setup()
60 port->custom_divisor = clk / (16 * spd); in of_platform_serial_setup()
68 port->flags = UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF | UPF_FIXED_PORT | in of_platform_serial_setup()
70 spin_lock_init(&port->lock); in of_platform_serial_setup()
73 port->iotype = UPIO_PORT; in of_platform_serial_setup()
74 port->iobase = resource.start; in of_platform_serial_setup()
76 port->mapbase = resource.start; in of_platform_serial_setup()
77 port->mapsize = resource_size(&resource); in of_platform_serial_setup()
80 if (of_property_read_u32(np, "reg-offset", &prop) == 0) { in of_platform_serial_setup()
81 if (prop >= port->mapsize) { in of_platform_serial_setup()
82 ret = dev_err_probe(dev, -EINVAL, "reg-offset %u exceeds region size %pa\n", in of_platform_serial_setup()
83 prop, &port->mapsize); in of_platform_serial_setup()
87 port->mapbase += prop; in of_platform_serial_setup()
88 port->mapsize -= prop; in of_platform_serial_setup()
91 port->iotype = UPIO_MEM; in of_platform_serial_setup()
92 if (of_property_read_u32(np, "reg-io-width", &prop) == 0) { in of_platform_serial_setup()
95 port->iotype = UPIO_MEM; in of_platform_serial_setup()
98 port->iotype = UPIO_MEM16; in of_platform_serial_setup()
101 port->iotype = of_device_is_big_endian(np) ? in of_platform_serial_setup()
105 ret = dev_err_probe(dev, -EINVAL, "unsupported reg-io-width (%u)\n", in of_platform_serial_setup()
110 port->flags |= UPF_IOREMAP; in of_platform_serial_setup()
114 if (of_device_is_compatible(np, "mrvl,mmp-uart")) in of_platform_serial_setup()
115 port->regshift = 2; in of_platform_serial_setup()
118 if (of_property_read_u32(np, "reg-shift", &prop) == 0) in of_platform_serial_setup()
119 port->regshift = prop; in of_platform_serial_setup()
122 if (of_property_read_u32(np, "fifo-size", &prop) == 0) in of_platform_serial_setup()
123 port->fifosize = prop; in of_platform_serial_setup()
128 port->line = ret; in of_platform_serial_setup()
132 if (irq == -EPROBE_DEFER) { in of_platform_serial_setup()
133 ret = -EPROBE_DEFER; in of_platform_serial_setup()
140 port->irq = irq; in of_platform_serial_setup()
142 info->rst = devm_reset_control_get_optional_shared(&ofdev->dev, NULL); in of_platform_serial_setup()
143 if (IS_ERR(info->rst)) { in of_platform_serial_setup()
144 ret = PTR_ERR(info->rst); in of_platform_serial_setup()
148 ret = reset_control_deassert(info->rst); in of_platform_serial_setup()
152 port->type = type; in of_platform_serial_setup()
153 port->uartclk = clk; in of_platform_serial_setup()
155 if (of_property_read_bool(np, "no-loopback-test")) in of_platform_serial_setup()
156 port->flags |= UPF_SKIP_TEST; in of_platform_serial_setup()
158 port->dev = &ofdev->dev; in of_platform_serial_setup()
159 port->rs485_config = serial8250_em485_config; in of_platform_serial_setup()
160 port->rs485_supported = serial8250_em485_supported; in of_platform_serial_setup()
161 up->rs485_start_tx = serial8250_em485_start_tx; in of_platform_serial_setup()
162 up->rs485_stop_tx = serial8250_em485_stop_tx; in of_platform_serial_setup()
174 of_device_is_compatible(np, "fsl,16550-FIFO64"))) { in of_platform_serial_setup()
175 port->handle_irq = fsl8250_handle_irq; in of_platform_serial_setup()
176 port->has_sysrq = IS_ENABLED(CONFIG_SERIAL_8250_CONSOLE); in of_platform_serial_setup()
181 pm_runtime_put_sync(&ofdev->dev); in of_platform_serial_setup()
182 pm_runtime_disable(&ofdev->dev); in of_platform_serial_setup()
198 of_device_is_compatible(ofdev->dev.of_node, "brcm,bcm7271-uart")) in of_platform_serial_probe()
199 return -ENODEV; in of_platform_serial_probe()
201 port_type = (unsigned long)of_device_get_match_data(&ofdev->dev); in of_platform_serial_probe()
203 return -EINVAL; in of_platform_serial_probe()
205 if (of_property_read_bool(ofdev->dev.of_node, "used-by-rtas")) in of_platform_serial_probe()
206 return -EBUSY; in of_platform_serial_probe()
210 return -ENOMEM; in of_platform_serial_probe()
221 if ((of_property_read_u32(ofdev->dev.of_node, "tx-threshold", in of_platform_serial_probe()
224 port8250.tx_loadsz = port8250.port.fifosize - tx_threshold; in of_platform_serial_probe()
226 if (of_property_read_bool(ofdev->dev.of_node, "auto-flow-control")) in of_platform_serial_probe()
229 if (of_property_read_u32(ofdev->dev.of_node, in of_platform_serial_probe()
230 "overrun-throttle-ms", in of_platform_serial_probe()
238 info->type = port_type; in of_platform_serial_probe()
239 info->line = ret; in of_platform_serial_probe()
244 pm_runtime_put_sync(&ofdev->dev); in of_platform_serial_probe()
245 pm_runtime_disable(&ofdev->dev); in of_platform_serial_probe()
258 serial8250_unregister_port(info->line); in of_platform_serial_remove()
260 reset_control_assert(info->rst); in of_platform_serial_remove()
261 pm_runtime_put_sync(&ofdev->dev); in of_platform_serial_remove()
262 pm_runtime_disable(&ofdev->dev); in of_platform_serial_remove()
270 struct uart_8250_port *port8250 = serial8250_get_port(info->line); in of_serial_suspend()
271 struct uart_port *port = &port8250->port; in of_serial_suspend()
273 serial8250_suspend_port(info->line); in of_serial_suspend()
277 clk_disable_unprepare(info->clk); in of_serial_suspend()
285 struct uart_8250_port *port8250 = serial8250_get_port(info->line); in of_serial_resume()
286 struct uart_port *port = &port8250->port; in of_serial_resume()
290 clk_prepare_enable(info->clk); in of_serial_resume()
293 serial8250_resume_port(info->line); in of_serial_resume()
304 { .compatible = "ns8250", .data = (void *)PORT_8250, },
305 { .compatible = "ns16450", .data = (void *)PORT_16450, },
306 { .compatible = "ns16550a", .data = (void *)PORT_16550A, },
307 { .compatible = "ns16550", .data = (void *)PORT_16550, },
308 { .compatible = "ns16750", .data = (void *)PORT_16750, },
309 { .compatible = "ns16850", .data = (void *)PORT_16850, },
310 { .compatible = "nxp,lpc3220-uart", .data = (void *)PORT_LPC3220, },
311 { .compatible = "ralink,rt2880-uart", .data = (void *)PORT_RT2880, },
312 { .compatible = "intel,xscale-uart", .data = (void *)PORT_XSCALE, },
313 { .compatible = "altr,16550-FIFO32",
315 { .compatible = "altr,16550-FIFO64",
317 { .compatible = "altr,16550-FIFO128",
319 { .compatible = "fsl,16550-FIFO64",
321 { .compatible = "mediatek,mtk-btif",
323 { .compatible = "mrvl,mmp-uart",
325 { .compatible = "ti,da830-uart", .data = (void *)PORT_DA830, },
326 { .compatible = "nuvoton,wpcm450-uart", .data = (void *)PORT_NPCM, },
327 { .compatible = "nuvoton,npcm750-uart", .data = (void *)PORT_NPCM, },