| /linux/drivers/tty/serial/8250/ |
| H A D | 8250_dwlib.c | 138 static void dw8250_rs485_set_addr(struct uart_port *p, struct serial_rs485 *rs485, in dw8250_rs485_set_addr() argument
143 if (rs485->flags & SER_RS485_ADDRB) { in dw8250_rs485_set_addr()
148 if (rs485->flags & SER_RS485_ADDR_RECV) { in dw8250_rs485_set_addr()
149 u32 delta = p->rs485.flags ^ rs485->flags; in dw8250_rs485_set_addr()
155 if (unlikely(&p->rs485 == rs485)) in dw8250_rs485_set_addr()
156 delta = rs485->flags; in dw8250_rs485_set_addr()
159 (p->rs485.addr_recv != rs485->addr_recv)) in dw8250_rs485_set_addr()
160 dw8250_update_rar(p, rs485->addr_recv); in dw8250_rs485_set_addr()
165 if (rs485->flags & SER_RS485_ADDR_DEST) { in dw8250_rs485_set_addr()
171 dw8250_writel_ext(p, DW_UART_TAR, rs485->addr_dest); in dw8250_rs485_set_addr()
[all …]
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| H A 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()
47 if (rs485->flags & SER_RS485_RTS_ON_SEND) in lpc18xx_rs485_config()
51 if (rs485->delay_rts_after_send) { in lpc18xx_rs485_config()
53 rs485_dly_reg = DIV_ROUND_UP(rs485->delay_rts_after_send in lpc18xx_rs485_config()
60 rs485->delay_rts_after_send = (rs485_dly_reg * MSEC_PER_SEC) in lpc18xx_rs485_config()
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| H A D | 8250_fintek.c | 198 struct serial_rs485 *rs485) in fintek_8250_rs485_config() argument
207 if (rs485->flags & SER_RS485_ENABLED) { in fintek_8250_rs485_config()
209 if (!(rs485->flags & SER_RS485_RTS_ON_SEND) == in fintek_8250_rs485_config()
210 !(rs485->flags & SER_RS485_RTS_AFTER_SEND)) in fintek_8250_rs485_config()
215 if (rs485->delay_rts_before_send) { in fintek_8250_rs485_config()
216 rs485->delay_rts_before_send = 1; in fintek_8250_rs485_config()
220 if (rs485->delay_rts_after_send) { in fintek_8250_rs485_config()
221 rs485->delay_rts_after_send = 1; in fintek_8250_rs485_config()
225 if (rs485->flags & SER_RS485_RTS_ON_SEND) in fintek_8250_rs485_config()
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| H A D | 8250_keba.c | 103 struct serial_rs485 *rs485) in kuart_rs485_config() argument
110 if (rs485->flags & SER_RS485_ENABLED) { in kuart_rs485_config()
111 if (rs485->flags & SER_RS485_MODE_RS422) in kuart_rs485_config()
221 uart.port.rs485.flags = SER_RS485_ENABLED | in kuart_probe()
230 uart.port.rs485.flags = SER_RS485_ENABLED | in kuart_probe()
237 uart.port.rs485.flags = SER_RS485_ENABLED | in kuart_probe()
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| H A D | 8250_exar.c | 232 struct serial_rs485 *rs485);
398 struct serial_rs485 *rs485) in generic_rs485_config() argument
400 bool is_rs485 = !!(rs485->flags & SER_RS485_ENABLED); in generic_rs485_config()
800 struct serial_rs485 *rs485) in cti_rs485_config_mpio_tristate() argument
805 ret = generic_rs485_config(port, termios, rs485); in cti_rs485_config_mpio_tristate()
1196 struct serial_rs485 *rs485) in sealevel_rs485_config() argument
1204 ret = generic_rs485_config(port, termios, rs485); in sealevel_rs485_config()
1208 if (!(rs485->flags & SER_RS485_ENABLED)) in sealevel_rs485_config()
1242 struct serial_rs485 *rs485) in iot2040_rs485_config() argument
1244 bool is_rs485 = !!(rs485->flags & SER_RS485_ENABLED); in iot2040_rs485_config()
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| H A D | 8250_ni.c | 107 struct serial_rs485 *rs485) in ni16550_rs485_config() argument
115 if ((rs485->flags & SER_RS485_MODE_RS422) || in ni16550_rs485_config()
116 !(rs485->flags & SER_RS485_ENABLED)) { in ni16550_rs485_config()
205 port->rs485.flags = SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND; in ni16550_rs485_setup()
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| /linux/arch/arm/boot/dts/microchip/ |
| H A 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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| /linux/arch/arm/boot/dts/nxp/mxs/ |
| H A D | imx28-duckbill-2-485.dts | 15 rs485-red {
16 label = "duckbill:red:rs485";
20 rs485-green {
21 label = "duckbill:green:rs485";
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| /linux/drivers/usb/serial/ |
| H A D | xr_serial.c | 241 struct serial_rs485 rs485; member
651 rs485_enabled = !!(data->rs485.flags & SER_RS485_ENABLED); in xr_set_flow_mode()
655 if (data->rs485.flags & SER_RS485_RTS_ON_SEND) in xr_set_flow_mode()
825 static void xr_sanitize_serial_rs485(struct serial_rs485 *rs485) in xr_sanitize_serial_rs485() argument
827 if (!(rs485->flags & SER_RS485_ENABLED)) { in xr_sanitize_serial_rs485()
828 memset(rs485, 0, sizeof(*rs485)); in xr_sanitize_serial_rs485()
833 if (rs485->flags & SER_RS485_RTS_ON_SEND) in xr_sanitize_serial_rs485()
834 rs485->flags &= ~SER_RS485_RTS_AFTER_SEND; in xr_sanitize_serial_rs485()
836 rs485->flags |= SER_RS485_RTS_AFTER_SEND; in xr_sanitize_serial_rs485()
839 rs485->flags &= SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND | in xr_sanitize_serial_rs485()
[all …]
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| /linux/drivers/tty/serial/ |
| H A D | serial_core.c | 185 if (old != port->mctrl && !(port->rs485.flags & SER_RS485_ENABLED)) in uart_update_mctrl()
1292 static int uart_check_rs485_flags(struct uart_port *port, struct serial_rs485 *rs485) in uart_check_rs485_flags() argument
1294 u32 flags = rs485->flags; in uart_check_rs485_flags()
1307 if (!(rs485->flags & SER_RS485_ADDRB) && in uart_check_rs485_flags()
1308 (rs485->flags & (SER_RS485_ADDR_RECV|SER_RS485_ADDR_DEST))) in uart_check_rs485_flags()
1312 if (!(rs485->flags & SER_RS485_ADDR_RECV) && rs485->addr_recv) in uart_check_rs485_flags()
1314 if (!(rs485->flags & SER_RS485_ADDR_DEST) && rs485->addr_dest) in uart_check_rs485_flags()
1321 struct serial_rs485 *rs485) in uart_sanitize_serial_rs485_delays() argument
1352 uart_sanitize_serial_rs485(struct uart_port * port,struct serial_rs485 * rs485) uart_sanitize_serial_rs485() argument
1397 uart_set_rs485_termination(struct uart_port * port,const struct serial_rs485 * rs485) uart_set_rs485_termination() argument
1407 uart_set_rs485_rx_during_tx(struct uart_port * port,const struct serial_rs485 * rs485) uart_set_rs485_rx_during_tx() argument
1418 struct serial_rs485 *rs485 = &port->rs485; uart_rs485_config() local
1441 uart_get_rs485_config(struct uart_port * port,struct serial_rs485 __user * rs485) uart_get_rs485_config() argument
1457 struct serial_rs485 rs485; uart_set_rs485_config() local
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| H A D | omap-serial.c | 285 if (port->rs485.flags & SER_RS485_ENABLED) { in serial_omap_stop_tx()
296 res = (port->rs485.flags & SER_RS485_RTS_AFTER_SEND) ? in serial_omap_stop_tx()
299 if (port->rs485.delay_rts_after_send > 0) in serial_omap_stop_tx()
301 port->rs485.delay_rts_after_send); in serial_omap_stop_tx()
338 if ((up->port.rs485.flags & SER_RS485_ENABLED) && in serial_omap_put_char()
339 !(up->port.rs485.flags & SER_RS485_RX_DURING_TX)) in serial_omap_put_char()
367 if (port->rs485.flags & SER_RS485_ENABLED) { in serial_omap_start_tx()
373 res = (port->rs485.flags & SER_RS485_RTS_ON_SEND) ? 1 : 0; in serial_omap_start_tx()
376 if (port->rs485.delay_rts_before_send > 0) in serial_omap_start_tx()
377 mdelay(port->rs485.delay_rts_before_send); in serial_omap_start_tx()
[all …]
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| H A D | imx.c | 441 if (port->rs485.flags & SER_RS485_ENABLED) { in imx_uart_stop_tx()
445 if (port->rs485.delay_rts_after_send > 0) { in imx_uart_stop_tx()
447 port->rs485.delay_rts_after_send); in imx_uart_stop_tx()
461 if (port->rs485.flags & SER_RS485_RTS_AFTER_SEND) in imx_uart_stop_tx()
498 if (port->rs485.flags & SER_RS485_ENABLED && in imx_uart_stop_rx_with_loopback_ctrl()
499 port->rs485.flags & SER_RS485_RTS_ON_SEND && in imx_uart_stop_rx_with_loopback_ctrl()
612 else if (sport->port.rs485.flags & SER_RS485_ENABLED) { in imx_uart_dma_tx_callback()
689 if (port->rs485.flags & SER_RS485_ENABLED) { in imx_uart_start_tx()
692 if (port->rs485.flags & SER_RS485_RTS_ON_SEND) in imx_uart_start_tx()
703 if (!(port->rs485.flags & SER_RS485_RX_DURING_TX) && in imx_uart_start_tx()
[all …]
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| /linux/arch/arm/boot/dts/ti/omap/ |
| H A 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;
191 rs485-rts-active-high;
192 rs485-rx-during-tx;
193 rs485-rts-delay = <1 1>;
[all …]
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| /linux/arch/arm64/boot/dts/freescale/ |
| H A D | imx8mm-venice-gw72xx-0x-rs485.dtso | 22 rs485-en-hog {
29 rs485-hd-hog {
41 linux,rs485-enabled-at-boot-time;
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| H A D | imx8mm-venice-gw72xx-0x-rs422.dtso | 22 rs485-en-hog {
29 rs485-hd-hog {
41 linux,rs485-enabled-at-boot-time;
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| H A D | imx8mm-venice-gw73xx-0x-rs422.dtso | 22 rs485-en-hog {
29 rs485-hd-hog {
41 linux,rs485-enabled-at-boot-time;
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| H A D | imx8mm-venice-gw73xx-0x-rs485.dtso | 22 rs485-en-hog {
29 rs485-hd-hog {
41 linux,rs485-enabled-at-boot-time;
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| H A D | imx8mm-verdin-dev.dtsi | 138 linux,rs485-enabled-at-boot-time;
139 rs485-rts-active-low;
140 rs485-rx-during-tx;
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| H A D | imx8mm-phygate-tauri-l-rs232-rs485.dtso | 22 uart4-rs485-en-hog {
46 linux,rs485-enabled-at-boot-time;
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| H A D | imx8mn-rve-gateway.dts | 95 linux,rs485-enabled-at-boot-time;
96 rs485-rts-active-low;
124 linux,rs485-enabled-at-boot-time;
125 rs485-rts-active-low;
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| H A D | imx8mp-verdin-dev.dtsi | 230 linux,rs485-enabled-at-boot-time;
231 rs485-rts-active-low;
232 rs485-rx-during-tx;
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| /linux/arch/arm/boot/dts/nxp/imx/ |
| H A D | imx6qdl-dhcom-drc02.dtsi | 30 rs485-rx-en-hog {
33 line-name = "rs485-rx-en";
92 linux,rs485-enabled-at-boot-time;
122 * P: uart5 rs485-tx-en
123 * Q: uart5 rs485-rx-en
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| H A D | imx6ull-dhcom-drc02.dts | 59 rs485-rx-en-hog {
62 line-name = "rs485-rx-en";
97 linux,rs485-enabled-at-boot-time;
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| /linux/arch/x86/platform/ts5500/ |
| H A 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/Documentation/devicetree/bindings/serial/ |
| H A D | rs485.txt | 1 See rs485.yaml
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