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Searched refs:rs485 (Results 1 – 25 of 99) sorted by relevance

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/linux-6.15/drivers/tty/serial/8250/
H A D8250_dwlib.c143 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()
181 struct serial_rs485 *rs485) in dw8250_rs485_config() argument
188 if (rs485->flags & SER_RS485_ENABLED) { in dw8250_rs485_config()
[all …]
H A D8250_lpc18xx.c36 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()
H A D8250_fintek.c198 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()
H A D8250_bcm2835aux.c51 if (!(up->port.rs485.flags & SER_RS485_RX_DURING_TX)) { in bcm2835aux_rs485_start_tx()
62 if (up->port.rs485.flags & SER_RS485_RTS_ON_SEND) in bcm2835aux_rs485_start_tx()
70 if (up->port.rs485.flags & SER_RS485_RTS_AFTER_SEND) in bcm2835aux_rs485_stop_tx()
75 if (!(up->port.rs485.flags & SER_RS485_RX_DURING_TX)) { in bcm2835aux_rs485_stop_tx()
H A D8250_exar.c230 struct serial_rs485 *rs485);
396 struct serial_rs485 *rs485) in generic_rs485_config() argument
798 struct serial_rs485 *rs485) in cti_rs485_config_mpio_tristate() argument
803 ret = generic_rs485_config(port, termios, rs485); in cti_rs485_config_mpio_tristate()
1194 struct serial_rs485 *rs485) in sealevel_rs485_config() argument
1202 ret = generic_rs485_config(port, termios, rs485); in sealevel_rs485_config()
1206 if (!(rs485->flags & SER_RS485_ENABLED)) in sealevel_rs485_config()
1240 struct serial_rs485 *rs485) in iot2040_rs485_config() argument
1248 if (rs485->flags & SER_RS485_RX_DURING_TX) in iot2040_rs485_config()
1253 if (rs485->flags & SER_RS485_TERMINATE_BUS) in iot2040_rs485_config()
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H A D8250_ni.c103 struct serial_rs485 *rs485) in ni16550_rs485_config() argument
111 if ((rs485->flags & SER_RS485_MODE_RS422) || in ni16550_rs485_config()
112 !(rs485->flags & SER_RS485_ENABLED)) { in ni16550_rs485_config()
201 port->rs485.flags = SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND; in ni16550_rs485_setup()
/linux-6.15/Documentation/devicetree/bindings/serial/
H A Drs485.yaml4 $id: http://devicetree.org/schemas/serial/rs485.yaml#
17 rs485-rts-delay:
31 rs485-rts-active-high:
35 rs485-rts-active-low:
39 rs485-rx-active-high:
44 linux,rs485-enabled-at-boot-time:
45 description: enables the rs485 feature at boot time. It can be disabled
49 rs485-rx-during-tx:
53 rs485-term-gpios:
57 rs485-rx-during-tx-gpios:
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/linux-6.15/arch/arm/boot/dts/microchip/
H A 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>;
/linux-6.15/drivers/usb/serial/
H A Dxr_serial.c241 struct serial_rs485 rs485; member
828 memset(rs485, 0, sizeof(*rs485)); in xr_sanitize_serial_rs485()
841 rs485->delay_rts_before_send = 0; in xr_sanitize_serial_rs485()
842 rs485->delay_rts_after_send = 0; in xr_sanitize_serial_rs485()
843 memset(rs485->padding, 0, sizeof(rs485->padding)); in xr_sanitize_serial_rs485()
853 if (copy_to_user(argp, &data->rs485, sizeof(data->rs485))) { in xr_get_rs485_config()
867 struct serial_rs485 rs485; in xr_set_rs485_config() local
869 if (copy_from_user(&rs485, argp, sizeof(rs485))) in xr_set_rs485_config()
871 xr_sanitize_serial_rs485(&rs485); in xr_set_rs485_config()
874 data->rs485 = rs485; in xr_set_rs485_config()
[all …]
/linux-6.15/drivers/tty/serial/
H A Dserial_core.c1308 u32 flags = rs485->flags; in uart_check_rs485_flags()
1326 if (!(rs485->flags & SER_RS485_ADDR_RECV) && rs485->addr_recv) in uart_check_rs485_flags()
1328 if (!(rs485->flags & SER_RS485_ADDR_DEST) && rs485->addr_dest) in uart_check_rs485_flags()
1371 memset(rs485, 0, sizeof(*rs485)); in uart_sanitize_serial_rs485()
1406 memset(rs485->padding0, 0, sizeof(rs485->padding0)); in uart_sanitize_serial_rs485()
1407 memset(rs485->padding1, 0, sizeof(rs485->padding1)); in uart_sanitize_serial_rs485()
1432 struct serial_rs485 *rs485 = &port->rs485; in uart_rs485_config() local
1447 memset(rs485, 0, sizeof(*rs485)); in uart_rs485_config()
1463 aux = port->rs485; in uart_get_rs485_config()
1495 port->rs485 = rs485; in uart_set_rs485_config()
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H A Domap-serial.c285 if (port->rs485.flags & SER_RS485_ENABLED) { 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()
367 if (port->rs485.flags & SER_RS485_ENABLED) { 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()
381 if ((port->rs485.flags & SER_RS485_ENABLED) && in serial_omap_start_tx()
1295 struct serial_rs485 *rs485) in serial_omap_config_rs485() argument
1307 val = (rs485->flags & SER_RS485_ENABLED) ? in serial_omap_config_rs485()
1309 val = (rs485->flags & val) ? 1 : 0; in serial_omap_config_rs485()
[all …]
H A Dimx.c440 if (port->rs485.flags & SER_RS485_ENABLED) { in imx_uart_stop_tx()
444 if (port->rs485.delay_rts_after_send > 0) { in imx_uart_stop_tx()
446 port->rs485.delay_rts_after_send); in imx_uart_stop_tx()
497 if (port->rs485.flags & SER_RS485_ENABLED && in imx_uart_stop_rx_with_loopback_ctrl()
688 if (port->rs485.flags & SER_RS485_ENABLED) { in imx_uart_start_tx()
708 if (port->rs485.delay_rts_before_send > 0) { in imx_uart_start_tx()
710 port->rs485.delay_rts_before_send); in imx_uart_start_tx()
1634 if (port->rs485.flags & SER_RS485_ENABLED && in imx_uart_shutdown()
1674 port->rs485.delay_rts_after_send : 0; in imx_uart_shutdown()
1689 if (port->rs485.flags & SER_RS485_ENABLED) { in imx_uart_shutdown()
[all …]
H A Dmax310x.c1009 delay = (one->port.rs485.delay_rts_before_send << 4) | in max310x_rs_proc()
1010 one->port.rs485.delay_rts_after_send; in max310x_rs_proc()
1013 if (one->port.rs485.flags & SER_RS485_ENABLED) { in max310x_rs_proc()
1016 if (!(one->port.rs485.flags & SER_RS485_RX_DURING_TX)) in max310x_rs_proc()
1027 struct serial_rs485 *rs485) in max310x_rs485_config() argument
1031 if ((rs485->delay_rts_before_send > 0x0f) || in max310x_rs485_config()
1032 (rs485->delay_rts_after_send > 0x0f)) in max310x_rs485_config()
1035 port->rs485 = *rs485; in max310x_rs485_config()
1060 clamp(port->rs485.delay_rts_after_send, 0U, 15U); in max310x_startup()
1063 if (port->rs485.flags & SER_RS485_ENABLED) { in max310x_startup()
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/linux-6.15/arch/arm/boot/dts/nxp/mxs/
H A Dimx28-duckbill-2-485.dts15 rs485-red {
16 label = "duckbill:red:rs485";
20 rs485-green {
21 label = "duckbill:green:rs485";
/linux-6.15/arch/arm/boot/dts/ti/omap/
H A Dam335x-nano.dts171 rs485-rts-active-high;
172 rs485-rx-during-tx;
173 rs485-rts-delay = <1 1>;
182 rs485-rts-active-high;
183 rs485-rts-delay = <1 1>;
191 rs485-rts-active-high;
192 rs485-rx-during-tx;
193 rs485-rts-delay = <1 1>;
202 rs485-rts-active-high;
203 rs485-rx-during-tx;
[all …]
/linux-6.15/arch/arm64/boot/dts/freescale/
H A Dimx8mm-venice-gw72xx-0x-rs485.dtso22 rs485-en-hog {
29 rs485-hd-hog {
41 linux,rs485-enabled-at-boot-time;
H A Dimx8mm-venice-gw73xx-0x-rs422.dtso22 rs485-en-hog {
29 rs485-hd-hog {
41 linux,rs485-enabled-at-boot-time;
H A Dimx8mm-venice-gw73xx-0x-rs485.dtso22 rs485-en-hog {
29 rs485-hd-hog {
41 linux,rs485-enabled-at-boot-time;
H A Dimx8mm-venice-gw72xx-0x-rs422.dtso22 rs485-en-hog {
29 rs485-hd-hog {
41 linux,rs485-enabled-at-boot-time;
H A Dimx8mp-aristainetos3-proton2s.dts149 linux,rs485-enabled-at-boot-time;
150 rs485-rts-active-low;
151 rs485-rts-delay = <0 0>;
H A Dimx8mm-verdin-dev.dtsi138 linux,rs485-enabled-at-boot-time;
139 rs485-rts-active-low;
140 rs485-rx-during-tx;
H A Dimx8mm-phygate-tauri-l-rs232-rs485.dtso22 uart4-rs485-en-hog {
46 linux,rs485-enabled-at-boot-time;
H A Dimx8mn-rve-gateway.dts95 linux,rs485-enabled-at-boot-time;
96 rs485-rts-active-low;
124 linux,rs485-enabled-at-boot-time;
125 rs485-rts-active-low;
/linux-6.15/arch/arm/boot/dts/nxp/imx/
H A Dimx6qdl-dhcom-drc02.dtsi30 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
H A Dimx6ull-dhcom-drc02.dts59 rs485-rx-en-hog {
62 line-name = "rs485-rx-en";
97 linux,rs485-enabled-at-boot-time;

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