| /Linux-v5.15/drivers/tty/serial/8250/ |
| D | 8250_lpc18xx.c | 36 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()
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| D | 8250_fintek.c | 195 struct serial_rs485 *rs485) in fintek_8250_rs485_config() argument
204 if (!(rs485->flags & SER_RS485_RTS_ON_SEND) == in fintek_8250_rs485_config()
205 !(rs485->flags & SER_RS485_RTS_AFTER_SEND)) in fintek_8250_rs485_config()
208 if (rs485->flags & SER_RS485_ENABLED) { in fintek_8250_rs485_config()
209 memset(rs485->padding, 0, sizeof(rs485->padding)); in fintek_8250_rs485_config()
212 memset(rs485, 0, sizeof(*rs485)); in fintek_8250_rs485_config()
215 rs485->flags &= SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND | in fintek_8250_rs485_config()
220 rs485->delay_rts_before_send = 0; in fintek_8250_rs485_config()
221 rs485->delay_rts_after_send = 0; in fintek_8250_rs485_config()
224 if (rs485->delay_rts_before_send) { in fintek_8250_rs485_config()
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| D | 8250_bcm2835aux.c | 49 if (!(up->port.rs485.flags & SER_RS485_RX_DURING_TX)) { in bcm2835aux_rs485_start_tx()
60 if (up->port.rs485.flags & SER_RS485_RTS_ON_SEND) in bcm2835aux_rs485_start_tx()
68 if (up->port.rs485.flags & SER_RS485_RTS_AFTER_SEND) in bcm2835aux_rs485_stop_tx()
73 if (!(up->port.rs485.flags & SER_RS485_RX_DURING_TX)) { in bcm2835aux_rs485_stop_tx()
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| D | 8250_exar.c | 412 struct serial_rs485 *rs485) in generic_rs485_config() argument
414 bool is_rs485 = !!(rs485->flags & SER_RS485_ENABLED); in generic_rs485_config()
429 port->rs485 = *rs485; in generic_rs485_config()
441 struct serial_rs485 *rs485) in iot2040_rs485_config() argument
443 bool is_rs485 = !!(rs485->flags & SER_RS485_ENABLED); in iot2040_rs485_config()
449 if (rs485->flags & SER_RS485_RX_DURING_TX) in iot2040_rs485_config()
454 if (rs485->flags & SER_RS485_TERMINATE_BUS) in iot2040_rs485_config()
470 return generic_rs485_config(port, rs485); in iot2040_rs485_config()
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| D | 8250_port.c | 672 int serial8250_em485_config(struct uart_port *port, struct serial_rs485 *rs485) in serial8250_em485_config() argument
677 if (!!(rs485->flags & SER_RS485_RTS_ON_SEND) == in serial8250_em485_config()
678 !!(rs485->flags & SER_RS485_RTS_AFTER_SEND)) { in serial8250_em485_config()
679 rs485->flags |= SER_RS485_RTS_ON_SEND; in serial8250_em485_config()
680 rs485->flags &= ~SER_RS485_RTS_AFTER_SEND; in serial8250_em485_config()
684 rs485->delay_rts_before_send = min(rs485->delay_rts_before_send, 100U); in serial8250_em485_config()
685 rs485->delay_rts_after_send = min(rs485->delay_rts_after_send, 100U); in serial8250_em485_config()
687 memset(rs485->padding, 0, sizeof(rs485->padding)); in serial8250_em485_config()
688 port->rs485 = *rs485; in serial8250_em485_config()
691 rs485->flags & SER_RS485_TERMINATE_BUS); in serial8250_em485_config()
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| D | 8250_pci.c | 1469 struct serial_rs485 *rs485) in pci_fintek_rs485_config() argument
1477 if (!rs485) in pci_fintek_rs485_config()
1478 rs485 = &port->rs485; in pci_fintek_rs485_config()
1479 else if (rs485->flags & SER_RS485_ENABLED) in pci_fintek_rs485_config()
1480 memset(rs485->padding, 0, sizeof(rs485->padding)); in pci_fintek_rs485_config()
1482 memset(rs485, 0, sizeof(*rs485)); in pci_fintek_rs485_config()
1485 rs485->flags &= SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND; in pci_fintek_rs485_config()
1487 if (rs485->flags & SER_RS485_ENABLED) { in pci_fintek_rs485_config()
1491 if (rs485->flags & SER_RS485_RTS_ON_SEND) { in pci_fintek_rs485_config()
1499 rs485->delay_rts_after_send = 0; in pci_fintek_rs485_config()
[all …]
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| /Linux-v5.15/arch/arm/boot/dts/ |
| D | aks-cdu.dts | 32 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>;
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| D | imx6qdl-dhcom-drc02.dtsi | 30 rs485-rx-en-hog {
33 line-name = "rs485-rx-en";
92 linux,rs485-enabled-at-boot-time;
118 * P: uart5 rs485-tx-en
119 * Q: uart5 rs485-rx-en
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| D | imx28-duckbill-2-485.dts | 174 rs485-red {
175 label = "duckbill:red:rs485";
179 rs485-green {
180 label = "duckbill:green:rs485";
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| D | am335x-nano.dts | 171 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;
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| D | stm32mp15xx-dhcom-drc02.dtsi | 36 rs485-rx-en-hog {
40 line-name = "rs485-rx-en";
143 linux,rs485-enabled-at-boot-time;
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| D | animeo_ip.dts | 59 linux,rs485-enabled-at-boot-time;
65 linux,rs485-enabled-at-boot-time;
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| D | imx6ul-kontron-n6x1x-s.dtsi | 171 linux,rs485-enabled-at-boot-time;
172 rs485-rx-during-tx;
173 rs485-rts-active-low;
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| /Linux-v5.15/drivers/tty/serial/ |
| D | omap-serial.c | 289 if (port->rs485.flags & SER_RS485_ENABLED) { in serial_omap_stop_tx()
300 res = (port->rs485.flags & SER_RS485_RTS_AFTER_SEND) ? in serial_omap_stop_tx()
304 if (port->rs485.delay_rts_after_send > 0) in serial_omap_stop_tx()
306 port->rs485.delay_rts_after_send); in serial_omap_stop_tx()
348 if ((up->port.rs485.flags & SER_RS485_ENABLED) && in transmit_chars()
349 !(up->port.rs485.flags & SER_RS485_RX_DURING_TX)) in transmit_chars()
363 if ((up->port.rs485.flags & SER_RS485_ENABLED) && in transmit_chars()
364 !(up->port.rs485.flags & SER_RS485_RX_DURING_TX)) in transmit_chars()
392 if (port->rs485.flags & SER_RS485_ENABLED) { in serial_omap_start_tx()
398 res = (port->rs485.flags & SER_RS485_RTS_ON_SEND) ? 1 : 0; in serial_omap_start_tx()
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| D | amba-pl011.c | 1307 if (port->rs485.delay_rts_after_send) in pl011_rs485_tx_stop()
1308 mdelay(port->rs485.delay_rts_after_send); in pl011_rs485_tx_stop()
1312 if (port->rs485.flags & SER_RS485_RTS_AFTER_SEND) in pl011_rs485_tx_stop()
1334 if ((port->rs485.flags & SER_RS485_ENABLED) && uap->rs485_tx_started) in pl011_stop_tx()
1436 if (!(port->rs485.flags & SER_RS485_RX_DURING_TX)) in pl011_rs485_tx_start()
1439 if (port->rs485.flags & SER_RS485_RTS_ON_SEND) in pl011_rs485_tx_start()
1446 if (port->rs485.delay_rts_before_send) in pl011_rs485_tx_start()
1447 mdelay(port->rs485.delay_rts_before_send); in pl011_rs485_tx_start()
1469 if ((uap->port.rs485.flags & SER_RS485_ENABLED) && in pl011_tx_chars()
1618 if (port->rs485.flags & SER_RS485_ENABLED) in pl011_set_mctrl()
[all …]
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| D | fsl_lpuart.c | 1349 struct serial_rs485 *rs485) in lpuart_config_rs485() argument
1359 rs485->delay_rts_before_send = 0; in lpuart_config_rs485()
1360 rs485->delay_rts_after_send = 0; in lpuart_config_rs485()
1361 rs485->flags &= ~SER_RS485_RX_DURING_TX; in lpuart_config_rs485()
1363 if (rs485->flags & SER_RS485_ENABLED) { in lpuart_config_rs485()
1372 if (!(rs485->flags & (SER_RS485_RTS_ON_SEND | in lpuart_config_rs485()
1374 rs485->flags |= SER_RS485_RTS_ON_SEND; in lpuart_config_rs485()
1376 if (rs485->flags & SER_RS485_RTS_ON_SEND && in lpuart_config_rs485()
1377 rs485->flags & SER_RS485_RTS_AFTER_SEND) in lpuart_config_rs485()
1378 rs485->flags &= ~SER_RS485_RTS_AFTER_SEND; in lpuart_config_rs485()
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| D | max310x.c | 1012 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 …]
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| D | sc16is7xx.c | 738 if ((port->rs485.flags & SER_RS485_ENABLED) && in sc16is7xx_tx_proc()
739 (port->rs485.delay_rts_before_send > 0)) in sc16is7xx_tx_proc()
740 msleep(port->rs485.delay_rts_before_send); in sc16is7xx_tx_proc()
750 struct serial_rs485 *rs485 = &port->rs485; in sc16is7xx_reconf_rs485() local
754 if (rs485->flags & SER_RS485_ENABLED) { in sc16is7xx_reconf_rs485()
757 if (rs485->flags & SER_RS485_RTS_AFTER_SEND) in sc16is7xx_reconf_rs485()
956 struct serial_rs485 *rs485) in sc16is7xx_config_rs485() argument
961 if (rs485->flags & SER_RS485_ENABLED) { in sc16is7xx_config_rs485()
964 rts_during_rx = rs485->flags & SER_RS485_RTS_AFTER_SEND; in sc16is7xx_config_rs485()
965 rts_during_tx = rs485->flags & SER_RS485_RTS_ON_SEND; in sc16is7xx_config_rs485()
[all …]
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| D | mcf.c | 102 if (port->rs485.flags & SER_RS485_ENABLED) { in mcf_start_tx()
256 if (port->rs485.flags & SER_RS485_ENABLED) { in mcf_set_termios()
355 if (port->rs485.flags & SER_RS485_ENABLED) in mcf_tx_chars()
435 static int mcf_config_rs485(struct uart_port *port, struct serial_rs485 *rs485) in mcf_config_rs485() argument
442 if (rs485->flags & SER_RS485_ENABLED) { in mcf_config_rs485()
452 port->rs485 = *rs485; in mcf_config_rs485()
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| D | imx.c | 455 if (port->rs485.flags & SER_RS485_ENABLED) { in imx_uart_stop_tx()
459 port->rs485.delay_rts_after_send); in imx_uart_stop_tx()
470 if (port->rs485.flags & SER_RS485_RTS_AFTER_SEND) in imx_uart_stop_tx()
600 else if (sport->port.rs485.flags & SER_RS485_ENABLED) { in imx_uart_dma_tx_callback()
685 if (port->rs485.flags & SER_RS485_ENABLED) { in imx_uart_start_tx()
688 if (port->rs485.flags & SER_RS485_RTS_ON_SEND) in imx_uart_start_tx()
694 if (!(port->rs485.flags & SER_RS485_RX_DURING_TX)) in imx_uart_start_tx()
699 port->rs485.delay_rts_before_send); in imx_uart_start_tx()
1033 if (!(port->rs485.flags & SER_RS485_ENABLED)) { in imx_uart_set_mctrl()
1655 if (port->rs485.flags & SER_RS485_ENABLED) { in imx_uart_set_termios()
[all …]
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| D | ar933x_uart.c | 394 struct serial_rs485 *rs485conf = &up->port.rs485; in ar933x_uart_tx_chars()
594 port->rs485 = *rs485conf; in ar933x_config_rs485()
797 if ((port->rs485.flags & SER_RS485_ENABLED) && in ar933x_uart_probe()
800 port->rs485.flags &= ~SER_RS485_ENABLED; in ar933x_uart_probe()
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| /Linux-v5.15/Documentation/devicetree/bindings/mfd/ |
| D | atmel-usart.txt | 43 - rs485-rts-delay, rs485-rx-during-tx, linux,rs485-enabled-at-boot-time: see rs485.txt
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| /Linux-v5.15/arch/x86/platform/ts5500/ |
| D | ts5500.c | 77 bool rs485; member
135 sbc->rs485 = tmp & TS5500_RS485; in ts5500_detect_config()
188 TS5500_ATTR_BOOL(rs485);
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| /Linux-v5.15/Documentation/devicetree/bindings/serial/ |
| D | rs485.txt | 1 See rs485.yaml
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| /Linux-v5.15/Documentation/driver-api/serial/ |
| D | index.rst | 23 serial-rs485
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