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Searched refs:rs485 (Results 1 – 25 of 42) sorted by relevance

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/Linux-v5.4/drivers/tty/serial/8250/
D8250_lpc18xx.c36 struct serial_rs485 *rs485) in lpc18xx_rs485_config() argument
43 if (rs485->flags & SER_RS485_ENABLED) in lpc18xx_rs485_config()
44 memset(rs485->padding, 0, sizeof(rs485->padding)); in lpc18xx_rs485_config()
46 memset(rs485, 0, sizeof(*rs485)); in lpc18xx_rs485_config()
48 rs485->flags &= SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND | in lpc18xx_rs485_config()
51 if (rs485->flags & SER_RS485_ENABLED) { in lpc18xx_rs485_config()
55 if (rs485->flags & SER_RS485_RTS_ON_SEND) { in lpc18xx_rs485_config()
57 rs485->flags &= ~SER_RS485_RTS_AFTER_SEND; in lpc18xx_rs485_config()
59 rs485->flags |= SER_RS485_RTS_AFTER_SEND; in lpc18xx_rs485_config()
63 if (rs485->delay_rts_after_send) { in lpc18xx_rs485_config()
[all …]
D8250_fintek.c192 struct serial_rs485 *rs485) in fintek_8250_rs485_config() argument
201 if (!(rs485->flags & SER_RS485_RTS_ON_SEND) == in fintek_8250_rs485_config()
202 !(rs485->flags & SER_RS485_RTS_AFTER_SEND)) in fintek_8250_rs485_config()
205 if (rs485->flags & SER_RS485_ENABLED) { in fintek_8250_rs485_config()
206 memset(rs485->padding, 0, sizeof(rs485->padding)); in fintek_8250_rs485_config()
209 memset(rs485, 0, sizeof(*rs485)); in fintek_8250_rs485_config()
212 rs485->flags &= SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND | in fintek_8250_rs485_config()
217 rs485->delay_rts_before_send = 0; in fintek_8250_rs485_config()
218 rs485->delay_rts_after_send = 0; in fintek_8250_rs485_config()
221 if (rs485->delay_rts_before_send) { in fintek_8250_rs485_config()
[all …]
D8250_exar.c357 struct serial_rs485 *rs485) in generic_rs485_config() argument
359 bool is_rs485 = !!(rs485->flags & SER_RS485_ENABLED); in generic_rs485_config()
374 port->rs485 = *rs485; in generic_rs485_config()
385 struct serial_rs485 *rs485) in iot2040_rs485_config() argument
387 bool is_rs485 = !!(rs485->flags & SER_RS485_ENABLED); in iot2040_rs485_config()
393 if (rs485->flags & SER_RS485_RX_DURING_TX) in iot2040_rs485_config()
398 if (rs485->flags & SER_RS485_TERMINATE_BUS) in iot2040_rs485_config()
414 return generic_rs485_config(port, rs485); in iot2040_rs485_config()
D8250_omap.c722 struct serial_rs485 *rs485) in omap_8250_rs485_config() argument
727 rs485->delay_rts_before_send = min(rs485->delay_rts_before_send, 100U); in omap_8250_rs485_config()
728 rs485->delay_rts_after_send = min(rs485->delay_rts_after_send, 100U); in omap_8250_rs485_config()
730 port->rs485 = *rs485; in omap_8250_rs485_config()
736 if (rs485->flags & SER_RS485_ENABLED) { in omap_8250_rs485_config()
740 rs485->flags &= ~SER_RS485_ENABLED; in omap_8250_rs485_config()
741 port->rs485.flags &= ~SER_RS485_ENABLED; in omap_8250_rs485_config()
D8250_pci.c788 struct serial_rs485 *rs485) in pci_ni8431_config_rs485() argument
798 if (rs485->flags & SER_RS485_ENABLED) { in pci_ni8431_config_rs485()
800 if ((rs485->flags & SER_RS485_RX_DURING_TX) && in pci_ni8431_config_rs485()
801 (rs485->flags & SER_RS485_RTS_ON_SEND)) { in pci_ni8431_config_rs485()
806 if (rs485->flags & SER_RS485_RX_DURING_TX) { in pci_ni8431_config_rs485()
813 if (rs485->flags & SER_RS485_RTS_ON_SEND) { in pci_ni8431_config_rs485()
841 port->rs485 = *rs485; in pci_ni8431_config_rs485()
1578 struct serial_rs485 *rs485) in pci_fintek_rs485_config() argument
1586 if (!rs485) in pci_fintek_rs485_config()
1587 rs485 = &port->rs485; in pci_fintek_rs485_config()
[all …]
/Linux-v5.4/Documentation/devicetree/bindings/serial/
Drs485.txt9 - rs485-rts-delay: prop-encoded-array <a b> where:
15 - rs485-rts-active-low: drive RTS low when sending (default is high).
16 - linux,rs485-enabled-at-boot-time: empty property telling to enable the rs485
18 - rs485-rx-during-tx: empty property that enables the receiving of data even
28 linux,rs485-enabled-at-boot-time;
29 rs485-rts-delay = <0 200>; // in milliseconds
Dfsl-imx-uart.txt11 - rs485-rts-delay, rs485-rts-active-low, rs485-rx-during-tx,
12 linux,rs485-enabled-at-boot-time: see rs485.txt. Note that for RS485
Domap_serial.txt24 - rs485-rts-delay, rs485-rx-during-tx, linux,rs485-enabled-at-boot-time: see rs485.txt
25 - rs485-rts-active-high: drive RTS high when sending (default is low).
Dst,stm32-usart.txt19 - rs485-rts-delay, rs485-rx-during-tx, rs485-rts-active-low,
20 linux,rs485-enabled-at-boot-time: see rs485.txt.
Dfsl-lpuart.txt24 - rs485-rts-delay, rs485-rts-active-low, rs485-rx-during-tx,
25 linux,rs485-enabled-at-boot-time: see rs485.txt
/Linux-v5.4/arch/arm/boot/dts/
Daks-cdu.dts32 linux,rs485-enabled-at-boot-time;
33 rs485-rts-delay = <0 0>;
38 linux,rs485-enabled-at-boot-time;
39 rs485-rts-delay = <0 0>;
44 linux,rs485-enabled-at-boot-time;
45 rs485-rts-delay = <0 0>;
Dimx28-duckbill-2-485.dts174 rs485-red {
175 label = "duckbill:red:rs485";
179 rs485-green {
180 label = "duckbill:green:rs485";
Dam335x-nano.dts171 rs485-rts-active-high;
172 rs485-rx-during-tx;
173 rs485-rts-delay = <1 1>;
174 linux,rs485-enabled-at-boot-time;
182 rs485-rts-active-high;
183 rs485-rts-delay = <1 1>;
184 linux,rs485-enabled-at-boot-time;
Danimeo_ip.dts59 linux,rs485-enabled-at-boot-time;
65 linux,rs485-enabled-at-boot-time;
Dimx6ul-kontron-n6310-s.dts173 linux,rs485-enabled-at-boot-time;
174 rs485-rx-during-tx;
175 rs485-rts-active-low;
Dvf610-zii-scu4-aib.dts689 linux,rs485-enabled-at-boot-time;
692 rs485-rts-delay = <0 200>;
697 linux,rs485-enabled-at-boot-time;
700 rs485-rts-delay = <0 200>;
/Linux-v5.4/drivers/tty/serial/
Domap-serial.c299 if (port->rs485.flags & SER_RS485_ENABLED) { in serial_omap_stop_tx()
310 res = (port->rs485.flags & SER_RS485_RTS_AFTER_SEND) ? in serial_omap_stop_tx()
313 if (port->rs485.delay_rts_after_send > 0) in serial_omap_stop_tx()
315 port->rs485.delay_rts_after_send); in serial_omap_stop_tx()
338 if ((port->rs485.flags & SER_RS485_ENABLED) && in serial_omap_stop_tx()
339 !(port->rs485.flags & SER_RS485_RX_DURING_TX)) { in serial_omap_stop_tx()
414 if (port->rs485.flags & SER_RS485_ENABLED) { in serial_omap_start_tx()
420 res = (port->rs485.flags & SER_RS485_RTS_ON_SEND) ? 1 : 0; in serial_omap_start_tx()
423 if (port->rs485.delay_rts_before_send > 0) in serial_omap_start_tx()
424 mdelay(port->rs485.delay_rts_before_send); in serial_omap_start_tx()
[all …]
Dmax310x.c1012 delay = (one->port.rs485.delay_rts_before_send << 4) | in max310x_rs_proc()
1013 one->port.rs485.delay_rts_after_send; in max310x_rs_proc()
1016 if (one->port.rs485.flags & SER_RS485_ENABLED) { in max310x_rs_proc()
1019 if (!(one->port.rs485.flags & SER_RS485_RX_DURING_TX)) in max310x_rs_proc()
1030 struct serial_rs485 *rs485) in max310x_rs485_config() argument
1034 if ((rs485->delay_rts_before_send > 0x0f) || in max310x_rs485_config()
1035 (rs485->delay_rts_after_send > 0x0f)) in max310x_rs485_config()
1038 rs485->flags &= SER_RS485_RTS_ON_SEND | SER_RS485_RX_DURING_TX | in max310x_rs485_config()
1040 memset(rs485->padding, 0, sizeof(rs485->padding)); in max310x_rs485_config()
1041 port->rs485 = *rs485; in max310x_rs485_config()
[all …]
Dsc16is7xx.c745 if ((port->rs485.flags & SER_RS485_ENABLED) && in sc16is7xx_tx_proc()
746 (port->rs485.delay_rts_before_send > 0)) in sc16is7xx_tx_proc()
747 msleep(port->rs485.delay_rts_before_send); in sc16is7xx_tx_proc()
757 struct serial_rs485 *rs485 = &port->rs485; in sc16is7xx_reconf_rs485() local
761 if (rs485->flags & SER_RS485_ENABLED) { in sc16is7xx_reconf_rs485()
764 if (rs485->flags & SER_RS485_RTS_AFTER_SEND) in sc16is7xx_reconf_rs485()
963 struct serial_rs485 *rs485) in sc16is7xx_config_rs485() argument
968 if (rs485->flags & SER_RS485_ENABLED) { in sc16is7xx_config_rs485()
971 rts_during_rx = rs485->flags & SER_RS485_RTS_AFTER_SEND; in sc16is7xx_config_rs485()
972 rts_during_tx = rs485->flags & SER_RS485_RTS_ON_SEND; in sc16is7xx_config_rs485()
[all …]
Dmcf.c102 if (port->rs485.flags & SER_RS485_ENABLED) { in mcf_start_tx()
256 if (port->rs485.flags & SER_RS485_ENABLED) { in mcf_set_termios()
357 if (port->rs485.flags & SER_RS485_ENABLED) in mcf_tx_chars()
437 static int mcf_config_rs485(struct uart_port *port, struct serial_rs485 *rs485) in mcf_config_rs485() argument
444 if (rs485->flags & SER_RS485_ENABLED) { in mcf_config_rs485()
454 port->rs485 = *rs485; in mcf_config_rs485()
Dfsl_lpuart.c1233 struct serial_rs485 *rs485) in lpuart_config_rs485() argument
1243 rs485->delay_rts_before_send = 0; in lpuart_config_rs485()
1244 rs485->delay_rts_after_send = 0; in lpuart_config_rs485()
1245 rs485->flags &= ~SER_RS485_RX_DURING_TX; in lpuart_config_rs485()
1247 if (rs485->flags & SER_RS485_ENABLED) { in lpuart_config_rs485()
1256 if (!(rs485->flags & (SER_RS485_RTS_ON_SEND | in lpuart_config_rs485()
1258 rs485->flags |= SER_RS485_RTS_ON_SEND; in lpuart_config_rs485()
1260 if (rs485->flags & SER_RS485_RTS_ON_SEND && in lpuart_config_rs485()
1261 rs485->flags & SER_RS485_RTS_AFTER_SEND) in lpuart_config_rs485()
1262 rs485->flags &= ~SER_RS485_RTS_AFTER_SEND; in lpuart_config_rs485()
[all …]
Dimx.c445 if (port->rs485.flags & SER_RS485_ENABLED && in imx_uart_stop_tx()
448 if (port->rs485.flags & SER_RS485_RTS_AFTER_SEND) in imx_uart_stop_tx()
577 else if (sport->port.rs485.flags & SER_RS485_ENABLED) { in imx_uart_dma_tx_callback()
656 if (port->rs485.flags & SER_RS485_ENABLED) { in imx_uart_start_tx()
660 if (port->rs485.flags & SER_RS485_RTS_ON_SEND) in imx_uart_start_tx()
666 if (!(port->rs485.flags & SER_RS485_RX_DURING_TX)) in imx_uart_start_tx()
963 if (!(port->rs485.flags & SER_RS485_ENABLED)) { in imx_uart_set_mctrl()
1585 if (port->rs485.flags & SER_RS485_ENABLED) { in imx_uart_set_termios()
1591 if (port->rs485.flags & SER_RS485_RTS_AFTER_SEND) in imx_uart_set_termios()
1862 port->rs485 = *rs485conf; in imx_uart_rs485_config()
[all …]
/Linux-v5.4/Documentation/devicetree/bindings/mfd/
Datmel-usart.txt40 - rs485-rts-delay, rs485-rx-during-tx, linux,rs485-enabled-at-boot-time: see rs485.txt
/Linux-v5.4/arch/x86/platform/ts5500/
Dts5500.c77 bool rs485; member
135 sbc->rs485 = tmp & TS5500_RS485; in ts5500_detect_config()
188 TS5500_ATTR_BOOL(rs485);
/Linux-v5.4/Documentation/driver-api/serial/
Dindex.rst25 serial-rs485

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