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Searched refs:uart (Results 1 – 25 of 609) sorted by relevance

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/Linux-v4.19/sound/drivers/
Dserial-u16550.c172 static inline void snd_uart16550_add_timer(struct snd_uart16550 *uart) in snd_uart16550_add_timer() argument
174 if (!uart->timer_running) { in snd_uart16550_add_timer()
176 mod_timer(&uart->buffer_timer, jiffies + (HZ + 255) / 256); in snd_uart16550_add_timer()
177 uart->timer_running = 1; in snd_uart16550_add_timer()
181 static inline void snd_uart16550_del_timer(struct snd_uart16550 *uart) in snd_uart16550_del_timer() argument
183 if (uart->timer_running) { in snd_uart16550_del_timer()
184 del_timer(&uart->buffer_timer); in snd_uart16550_del_timer()
185 uart->timer_running = 0; in snd_uart16550_del_timer()
190 static inline void snd_uart16550_buffer_output(struct snd_uart16550 *uart) in snd_uart16550_buffer_output() argument
192 unsigned short buff_out = uart->buff_out; in snd_uart16550_buffer_output()
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/Linux-v4.19/drivers/tty/serial/
Dmen_z135_uart.c136 static inline void men_z135_reg_set(struct men_z135_port *uart, in men_z135_reg_set() argument
139 struct uart_port *port = &uart->port; in men_z135_reg_set()
143 spin_lock_irqsave(&uart->lock, flags); in men_z135_reg_set()
149 spin_unlock_irqrestore(&uart->lock, flags); in men_z135_reg_set()
158 static void men_z135_reg_clr(struct men_z135_port *uart, in men_z135_reg_clr() argument
161 struct uart_port *port = &uart->port; in men_z135_reg_clr()
165 spin_lock_irqsave(&uart->lock, flags); in men_z135_reg_clr()
171 spin_unlock_irqrestore(&uart->lock, flags); in men_z135_reg_clr()
181 static void men_z135_handle_modem_status(struct men_z135_port *uart) in men_z135_handle_modem_status() argument
185 msr = (uart->stat_reg >> 8) & 0xff; in men_z135_handle_modem_status()
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Dtimbuart.c55 struct timbuart_port *uart = in timbuart_start_tx() local
59 tasklet_schedule(&uart->tasklet); in timbuart_start_tx()
121 struct timbuart_port *uart = in timbuart_handle_tx_port() local
140 *ier |= uart->last_ier & TXFLAGS; in timbuart_handle_tx_port()
177 struct timbuart_port *uart = (struct timbuart_port *)arg; in timbuart_tasklet() local
180 spin_lock(&uart->port.lock); in timbuart_tasklet()
182 isr = ioread32(uart->port.membase + TIMBUART_ISR); in timbuart_tasklet()
183 dev_dbg(uart->port.dev, "%s ISR: %x\n", __func__, isr); in timbuart_tasklet()
185 if (!uart->usedma) in timbuart_tasklet()
186 timbuart_handle_tx_port(&uart->port, isr, &ier); in timbuart_tasklet()
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Dvt8500_serial.c100 struct uart_port uart; member
130 uart); in vt8500_stop_tx()
140 uart); in vt8500_stop_rx()
150 uart); in vt8500_enable_ms()
231 uart); in vt8500_start_tx()
309 container_of(port, struct vt8500_port, uart); in vt8500_set_baud_rate()
333 container_of(port, struct vt8500_port, uart); in vt8500_startup()
352 container_of(port, struct vt8500_port, uart); in vt8500_shutdown()
357 vt8500_write(&vt8500_port->uart, 0, VT8500_URIER); in vt8500_shutdown()
358 vt8500_write(&vt8500_port->uart, 0x880, VT8500_URFCR); in vt8500_shutdown()
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Darc_uart.c80 #define UART_SET_DATA(uart, val) UART_REG_SET(uart, R_DATA, val) argument
81 #define UART_GET_DATA(uart) UART_REG_GET(uart, R_DATA) argument
83 #define UART_SET_BAUDH(uart, val) UART_REG_SET(uart, R_BAUDH, val) argument
84 #define UART_SET_BAUDL(uart, val) UART_REG_SET(uart, R_BAUDL, val) argument
86 #define UART_CLR_STATUS(uart, val) UART_REG_CLR(uart, R_STS, val) argument
87 #define UART_GET_STATUS(uart) UART_REG_GET(uart, R_STS) argument
89 #define UART_ALL_IRQ_DISABLE(uart) UART_REG_CLR(uart, R_STS, RXIENB|TXIENB) argument
90 #define UART_RX_IRQ_DISABLE(uart) UART_REG_CLR(uart, R_STS, RXIENB) argument
91 #define UART_TX_IRQ_DISABLE(uart) UART_REG_CLR(uart, R_STS, TXIENB) argument
93 #define UART_ALL_IRQ_ENABLE(uart) UART_REG_OR(uart, R_STS, RXIENB|TXIENB) argument
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/Linux-v4.19/drivers/tty/serial/8250/
D8250_pnp.c439 struct uart_8250_port uart, *port; in serial_pnp_probe() local
448 memset(&uart, 0, sizeof(uart)); in serial_pnp_probe()
450 uart.port.irq = pnp_irq(dev, 0); in serial_pnp_probe()
452 uart.port.iobase = pnp_port_start(dev, 2); in serial_pnp_probe()
453 uart.port.iotype = UPIO_PORT; in serial_pnp_probe()
455 uart.port.iobase = pnp_port_start(dev, 0); in serial_pnp_probe()
456 uart.port.iotype = UPIO_PORT; in serial_pnp_probe()
458 uart.port.mapbase = pnp_mem_start(dev, 0); in serial_pnp_probe()
459 uart.port.iotype = UPIO_MEM; in serial_pnp_probe()
460 uart.port.flags = UPF_IOREMAP; in serial_pnp_probe()
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D8250_hp300.c160 struct uart_8250_port uart; in hpdca_init_one() local
169 memset(&uart, 0, sizeof(uart)); in hpdca_init_one()
172 uart.port.iotype = UPIO_MEM; in hpdca_init_one()
173 uart.port.flags = UPF_SKIP_TEST | UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF; in hpdca_init_one()
174 uart.port.irq = d->ipl; in hpdca_init_one()
175 uart.port.uartclk = HPDCA_BAUD_BASE * 16; in hpdca_init_one()
176 uart.port.mapbase = (d->resource.start + UART_OFFSET); in hpdca_init_one()
177 uart.port.membase = (char *)(uart.port.mapbase + DIO_VIRADDRBASE); in hpdca_init_one()
178 uart.port.regshift = 1; in hpdca_init_one()
179 uart.port.dev = &d->dev; in hpdca_init_one()
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D8250_core.c803 struct uart_8250_port uart; in serial8250_probe() local
806 memset(&uart, 0, sizeof(uart)); in serial8250_probe()
812 uart.port.iobase = p->iobase; in serial8250_probe()
813 uart.port.membase = p->membase; in serial8250_probe()
814 uart.port.irq = p->irq; in serial8250_probe()
815 uart.port.irqflags = p->irqflags; in serial8250_probe()
816 uart.port.uartclk = p->uartclk; in serial8250_probe()
817 uart.port.regshift = p->regshift; in serial8250_probe()
818 uart.port.iotype = p->iotype; in serial8250_probe()
819 uart.port.flags = p->flags; in serial8250_probe()
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D8250_lpc18xx.c104 struct uart_8250_port uart; in lpc18xx_serial_probe() local
120 memset(&uart, 0, sizeof(uart)); in lpc18xx_serial_probe()
122 uart.port.membase = devm_ioremap(&pdev->dev, res->start, in lpc18xx_serial_probe()
124 if (!uart.port.membase) in lpc18xx_serial_probe()
157 uart.port.line = ret; in lpc18xx_serial_probe()
162 spin_lock_init(&uart.port.lock); in lpc18xx_serial_probe()
163 uart.port.dev = &pdev->dev; in lpc18xx_serial_probe()
164 uart.port.irq = irq; in lpc18xx_serial_probe()
165 uart.port.iotype = UPIO_MEM32; in lpc18xx_serial_probe()
166 uart.port.mapbase = res->start; in lpc18xx_serial_probe()
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D8250_moxa.c49 struct uart_8250_port uart; in moxa8250_probe() local
70 memset(&uart, 0, sizeof(struct uart_8250_port)); in moxa8250_probe()
72 uart.port.dev = &pdev->dev; in moxa8250_probe()
73 uart.port.irq = pdev->irq; in moxa8250_probe()
74 uart.port.uartclk = MOXA_BASE_BAUD * 16; in moxa8250_probe()
75 uart.port.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ; in moxa8250_probe()
93 uart.port.iotype = UPIO_MEM; in moxa8250_probe()
94 uart.port.iobase = 0; in moxa8250_probe()
95 uart.port.mapbase = baseaddr + offset; in moxa8250_probe()
96 uart.port.membase = ioaddr + offset; in moxa8250_probe()
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D8250_bcm2835aux.c20 struct uart_8250_port uart; member
37 spin_lock_init(&data->uart.port.lock); in bcm2835aux_serial_probe()
38 data->uart.capabilities = UART_CAP_FIFO | UART_CAP_MINI; in bcm2835aux_serial_probe()
39 data->uart.port.dev = &pdev->dev; in bcm2835aux_serial_probe()
40 data->uart.port.regshift = 2; in bcm2835aux_serial_probe()
41 data->uart.port.type = PORT_16550; in bcm2835aux_serial_probe()
42 data->uart.port.iotype = UPIO_MEM; in bcm2835aux_serial_probe()
43 data->uart.port.fifosize = 8; in bcm2835aux_serial_probe()
44 data->uart.port.flags = UPF_SHARE_IRQ | in bcm2835aux_serial_probe()
63 data->uart.port.irq = ret; in bcm2835aux_serial_probe()
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D8250_gsc.c25 struct uart_8250_port uart; in serial_init_chip() local
52 memset(&uart, 0, sizeof(uart)); in serial_init_chip()
53 uart.port.iotype = UPIO_MEM; in serial_init_chip()
55 uart.port.uartclk = (dev->id.sversion != 0xad) ? in serial_init_chip()
57 uart.port.mapbase = address; in serial_init_chip()
58 uart.port.membase = ioremap_nocache(address, 16); in serial_init_chip()
59 if (!uart.port.membase) { in serial_init_chip()
63 uart.port.irq = dev->irq; in serial_init_chip()
64 uart.port.flags = UPF_BOOT_AUTOCONF; in serial_init_chip()
65 uart.port.dev = &dev->dev; in serial_init_chip()
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D8250_men_mcb.c18 struct uart_8250_port uart; member
105 data[i].uart.port.dev = mdev->dma_dev; in serial_8250_men_mcb_probe()
106 spin_lock_init(&data[i].uart.port.lock); in serial_8250_men_mcb_probe()
108 data[i].uart.port.type = PORT_16550; in serial_8250_men_mcb_probe()
109 data[i].uart.port.flags = UPF_SKIP_TEST | UPF_SHARE_IRQ in serial_8250_men_mcb_probe()
111 data[i].uart.port.iotype = UPIO_MEM; in serial_8250_men_mcb_probe()
112 data[i].uart.port.uartclk = men_lookup_uartclk(mdev); in serial_8250_men_mcb_probe()
113 data[i].uart.port.regshift = 0; in serial_8250_men_mcb_probe()
114 data[i].uart.port.irq = mcb_get_irq(mdev); in serial_8250_men_mcb_probe()
115 data[i].uart.port.membase = membase; in serial_8250_men_mcb_probe()
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D8250_pxa.c94 struct uart_8250_port uart = {}; in serial_pxa_probe() local
116 uart.port.type = PORT_XSCALE; in serial_pxa_probe()
117 uart.port.iotype = UPIO_MEM32; in serial_pxa_probe()
118 uart.port.mapbase = mmres->start; in serial_pxa_probe()
119 uart.port.regshift = 2; in serial_pxa_probe()
120 uart.port.irq = irqres->start; in serial_pxa_probe()
121 uart.port.fifosize = 64; in serial_pxa_probe()
122 uart.port.flags = UPF_IOREMAP | UPF_SKIP_TEST; in serial_pxa_probe()
123 uart.port.dev = &pdev->dev; in serial_pxa_probe()
124 uart.port.uartclk = clk_get_rate(data->clk); in serial_pxa_probe()
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D8250_mtk.c170 struct uart_8250_port uart = {}; in mtk8250_probe() local
181 uart.port.membase = devm_ioremap(&pdev->dev, regs->start, in mtk8250_probe()
183 if (!uart.port.membase) in mtk8250_probe()
191 err = mtk8250_probe_of(pdev, &uart.port, data); in mtk8250_probe()
197 spin_lock_init(&uart.port.lock); in mtk8250_probe()
198 uart.port.mapbase = regs->start; in mtk8250_probe()
199 uart.port.irq = irq->start; in mtk8250_probe()
200 uart.port.pm = mtk8250_do_pm; in mtk8250_probe()
201 uart.port.type = PORT_16550; in mtk8250_probe()
202 uart.port.flags = UPF_BOOT_AUTOCONF | UPF_FIXED_PORT; in mtk8250_probe()
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D8250_acorn.c43 struct uart_8250_port uart; in serial_card_probe() local
62 memset(&uart, 0, sizeof(struct uart_8250_port)); in serial_card_probe()
63 uart.port.irq = ec->irq; in serial_card_probe()
64 uart.port.flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ; in serial_card_probe()
65 uart.port.uartclk = type->uartclk; in serial_card_probe()
66 uart.port.iotype = UPIO_MEM; in serial_card_probe()
67 uart.port.regshift = 2; in serial_card_probe()
68 uart.port.dev = &ec->dev; in serial_card_probe()
71 uart.port.membase = info->vaddr + type->offset[i]; in serial_card_probe()
72 uart.port.mapbase = bus_addr + type->offset[i]; in serial_card_probe()
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D8250_ingenic.c210 struct uart_8250_port uart = {}; in ingenic_uart_probe() local
234 spin_lock_init(&uart.port.lock); in ingenic_uart_probe()
235 uart.port.type = PORT_16550A; in ingenic_uart_probe()
236 uart.port.flags = UPF_SKIP_TEST | UPF_IOREMAP | UPF_FIXED_TYPE; in ingenic_uart_probe()
237 uart.port.iotype = UPIO_MEM; in ingenic_uart_probe()
238 uart.port.mapbase = regs->start; in ingenic_uart_probe()
239 uart.port.regshift = 2; in ingenic_uart_probe()
240 uart.port.serial_out = ingenic_uart_serial_out; in ingenic_uart_probe()
241 uart.port.serial_in = ingenic_uart_serial_in; in ingenic_uart_probe()
242 uart.port.irq = irq->start; in ingenic_uart_probe()
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/Linux-v4.19/drivers/firmware/
Dpcdp.c23 setup_serial_console(struct pcdp_uart *uart) in setup_serial_console() argument
30 mmio = (uart->addr.space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY); in setup_serial_console()
32 mmio ? "mmio" : "io", uart->addr.address); in setup_serial_console()
33 if (uart->baud) { in setup_serial_console()
34 p += sprintf(p, ",%llu", uart->baud); in setup_serial_console()
35 if (uart->bits) { in setup_serial_console()
36 switch (uart->parity) { in setup_serial_console()
41 p += sprintf(p, "%c%d", parity, uart->bits); in setup_serial_console()
90 struct pcdp_uart *uart; in efi_setup_pcdp_console() local
112 for (i = 0, uart = pcdp->uart; i < pcdp->num_uarts; i++, uart++) { in efi_setup_pcdp_console()
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/Linux-v4.19/Documentation/devicetree/bindings/serial/
Dmtk-uart.txt5 * "mediatek,mt2701-uart" for MT2701 compatible UARTS
6 * "mediatek,mt2712-uart" for MT2712 compatible UARTS
7 * "mediatek,mt6580-uart" for MT6580 compatible UARTS
8 * "mediatek,mt6582-uart" for MT6582 compatible UARTS
9 * "mediatek,mt6589-uart" for MT6589 compatible UARTS
10 * "mediatek,mt6755-uart" for MT6755 compatible UARTS
11 * "mediatek,mt6765-uart" for MT6765 compatible UARTS
12 * "mediatek,mt6795-uart" for MT6795 compatible UARTS
13 * "mediatek,mt6797-uart" for MT6797 compatible UARTS
14 * "mediatek,mt7622-uart" for MT7622 compatible UARTS
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Dsirf-uart.txt4 - compatible : Should be "sirf,prima2-uart", "sirf, prima2-usp-uart",
5 "sirf,atlas7-uart" or "sirf,atlas7-usp-uart".
7 - interrupts : Should contain uart interrupt
9 - clocks : Should contain uart clock number
12 - uart-has-rtscts: we have hardware flow controller pins in hardware
13 - rts-gpios: RTS pin for USP-based UART if uart-has-rtscts is true
14 - cts-gpios: CTS pin for USP-based UART if uart-has-rtscts is true
18 uart0: uart@b0050000 {
20 compatible = "sirf,prima2-uart";
30 compatible = "sirf,prima2-usp-uart";
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Dmvebu-uart.txt6 - "marvell,armada-3700-uart" for the standard variant of the UART
9 - "marvell,armada-3700-uart-ext" for the extended variant of the
14 is provided (possible only with the "marvell,armada-3700-uart"
20 (marvell,armada-3700-uart): "uart-sum", "uart-tx" and "uart-rx",
25 (marvell,armada-3700-uart-ext): "uart-tx" and "uart-rx",
35 compatible = "marvell,armada-3700-uart";
42 interrupt-names = "uart-sum", "uart-tx", "uart-rx";
46 compatible = "marvell,armada-3700-uart-ext";
52 interrupt-names = "uart-tx", "uart-rx";
Dfsl-imx-uart.txt4 - compatible : Should be "fsl,<soc>-uart"
6 - interrupts : Should contain uart interrupt
9 - fsl,dte-mode : Indicate the uart works in DTE mode. The uart works
13 you must enable either the "uart-has-rtscts" or the "rts-gpios"
14 properties. In case you use "uart-has-rtscts" the signal that controls
21 Note: Each uart controller should have an alias correctly numbered
31 compatible = "fsl,imx51-uart", "fsl,imx21-uart";
34 uart-has-rtscts;
Domap_serial.txt4 - compatible : should be "ti,am654-uart" for AM654 controllers
5 - compatible : should be "ti,omap2-uart" for OMAP2 controllers
6 - compatible : should be "ti,omap3-uart" for OMAP3 controllers
7 - compatible : should be "ti,omap4-uart" for OMAP4 controllers
8 - compatible : should be "ti,am4372-uart" for AM437x controllers
9 - compatible : should be "ti,am3352-uart" for AM335x controllers
10 - compatible : should be "ti,dra742-uart" for DRA7x controllers
12 - interrupts or interrupts-extended : Should contain the uart interrupt
16 - ti,hwmods : Must be "uart<n>", n being the instance number (1-based)
29 compatible = "ti,omap3-uart";
/Linux-v4.19/drivers/misc/ibmasm/
Duart.c36 struct uart_8250_port uart; in ibmasm_register_uart() local
50 memset(&uart, 0, sizeof(uart)); in ibmasm_register_uart()
51 uart.port.irq = sp->irq; in ibmasm_register_uart()
52 uart.port.uartclk = 3686400; in ibmasm_register_uart()
53 uart.port.flags = UPF_SHARE_IRQ; in ibmasm_register_uart()
54 uart.port.iotype = UPIO_MEM; in ibmasm_register_uart()
55 uart.port.membase = iomem_base; in ibmasm_register_uart()
57 sp->serial_line = serial8250_register_8250_port(&uart); in ibmasm_register_uart()
/Linux-v4.19/arch/arm64/boot/dts/actions/
Ds900.dtsi109 compatible = "actions,s900-uart", "actions,owl-uart";
116 compatible = "actions,s900-uart", "actions,owl-uart";
123 compatible = "actions,s900-uart", "actions,owl-uart";
130 compatible = "actions,s900-uart", "actions,owl-uart";
137 compatible = "actions,s900-uart", "actions,owl-uart";
144 compatible = "actions,s900-uart", "actions,owl-uart";
151 compatible = "actions,s900-uart", "actions,owl-uart";

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