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/kernel/linux/linux-6.6/Documentation/devicetree/bindings/serial/
Drs485.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/serial/rs485.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: RS485 serial communications
9 description: The RTS signal is capable of automatically controlling line
10 direction for the built-in half-duplex mode. The properties described
11 hereafter shall be given to a half-duplex capable UART node.
14 - Rob Herring <robh@kernel.org>
17 rs485-rts-delay:
[all …]
Dst,stm32-uart.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/serial/st,stm32-uart.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 - Erwan Le Ray <erwan.leray@foss.st.com>
15 - st,stm32-uart
16 - st,stm32f7-uart
17 - st,stm32h7-uart
34 st,hw-flow-ctrl:
38 rx-tx-swap: true
[all …]
/kernel/linux/linux-5.10/Documentation/devicetree/bindings/serial/
Dst,stm32-uart.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/serial/st,stm32-uart.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 - Erwan Le Ray <erwan.leray@st.com>
13 - $ref: rs485.yaml
18 - st,stm32-uart
19 - st,stm32f7-uart
20 - st,stm32h7-uart
37 st,hw-flow-ctrl:
[all …]
Drs485.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/serial/rs485.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: RS485 serial communications Bindings
9 description: The RTS signal is capable of automatically controlling line
10 direction for the built-in half-duplex mode. The properties described
11 hereafter shall be given to a half-duplex capable UART node.
14 - Rob Herring <robh@kernel.org>
17 rs485-rts-delay:
[all …]
Domap_serial.txt4 - compatible : should be "ti,j721e-uart", "ti,am654-uart" for J721E controllers
5 - compatible : should be "ti,am654-uart" for AM654 controllers
6 - compatible : should be "ti,omap2-uart" for OMAP2 controllers
7 - compatible : should be "ti,omap3-uart" for OMAP3 controllers
8 - compatible : should be "ti,omap4-uart" for OMAP4 controllers
9 - compatible : should be "ti,am4372-uart" for AM437x controllers
10 - compatible : should be "ti,am3352-uart" for AM335x controllers
11 - compatible : should be "ti,dra742-uart" for DRA7x controllers
12 - reg : address and length of the register space
13 - interrupts or interrupts-extended : Should contain the uart interrupt
[all …]
Dfsl-imx-uart.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/serial/fsl-imx-uart.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Fabio Estevam <fabio.estevam@nxp.com>
13 - $ref: "serial.yaml"
14 - $ref: "rs485.yaml"
19 - const: fsl,imx1-uart
20 - const: fsl,imx21-uart
21 - items:
[all …]
Dfsl-lpuart.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/serial/fsl-lpuart.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Freescale low power universal asynchronous receiver/transmitter (lpuart)
10 - Fugang Duan <fugang.duan@nxp.com>
13 - $ref: "rs485.yaml"
18 - enum:
19 - fsl,vf610-lpuart
20 - fsl,ls1021a-lpuart
[all …]
/kernel/linux/linux-6.6/arch/arm64/boot/dts/freescale/
Dimx8mm-venice-gw73xx-0x-rs422.dtso1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
5 * GW73xx RS422 (RS485 full duplex):
6 * - GPIO1_0 rs485_term selects on-chip termination
7 * - GPIO4_0 rs485_en needs to be driven high (active)
8 * - GPIO4_2 rs485_hd needs to be driven low (in-active)
9 * - UART4_TX is DE for RS485 transmitter
10 * - RS485_EN needs to be pulled high
11 * - RS485_HALF needs to be low
14 #include <dt-bindings/gpio/gpio.h>
16 #include "imx8mm-pinfunc.h"
[all …]
Dimx8mm-venice-gw72xx-0x-rs422.dtso1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
5 * GW72xx RS422 (RS485 full duplex):
6 * - GPIO1_0 rs485_term selects on-chip termination
7 * - GPIO4_0 rs485_en needs to be driven high (active)
8 * - GPIO4_2 rs485_hd needs to be driven low (in-active)
9 * - UART4_TX is DE for RS485 transmitter
10 * - RS485_EN needs to be pulled high
11 * - RS485_HALF needs to be low
14 #include <dt-bindings/gpio/gpio.h>
16 #include "imx8mm-pinfunc.h"
[all …]
Dimx8mm-verdin-dev.dtsi1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
7 sound_card: sound-card {
8 compatible = "simple-audio-card";
9 simple-audio-card,bitclock-master = <&dailink_master>;
10 simple-audio-card,format = "i2s";
11 simple-audio-card,frame-master = <&dailink_master>;
12 simple-audio-card,mclk-fs = <256>;
13 simple-audio-card,name = "imx8mm-nau8822";
14 simple-audio-card,routing =
25 simple-audio-card,widgets =
[all …]
Dimx8mp-verdin-dev.dtsi1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
7 reg_eth2phy: regulator-eth2phy {
8 compatible = "regulator-fixed";
9 enable-active-high;
11 off-on-delay-us = <500000>;
12 regulator-max-microvolt = <3300000>;
13 regulator-min-microvolt = <3300000>;
14 regulator-name = "+V3.3_ETH";
15 startup-delay-us = <200000>;
16 vin-supply = <&reg_3p3v>;
[all …]
/kernel/linux/linux-6.6/drivers/tty/serial/
Dserial_core.c1 // SPDX-License-Identifier: GPL-2.0+
8 * Copyright (C) 2000-2001 Deep Blue Solutions Ltd.
43 * lockdep: port->lock is initialized in two places, but we
44 * want only one lock-class:
48 #define HIGH_BITS_OFFSET ((sizeof(long)-sizeof(int))*8)
51 * Max time with active RTS before/after data is sent.
62 return !!(uport->status & UPSTAT_DCD_ENABLE); in uart_dcd_enabled()
67 if (atomic_add_unless(&state->refcount, 1, 0)) in uart_port_ref()
68 return state->uart_port; in uart_port_ref()
74 if (atomic_dec_and_test(&uport->state->refcount)) in uart_port_deref()
[all …]
Dimx.c1 // SPDX-License-Identifier: GPL-2.0+
30 #include <linux/dma-mapping.h>
33 #include <linux/dma/imx-dma.h>
74 #define UCR1_RTSDEN (1<<5) /* RTS delta interrupt enable */
82 #define UCR2_IRTS (1<<14) /* Ignore RTS pin */
125 #define UFCR_RFDIV_REG(x) (((x) < 7 ? 6 - (x) : 6) << 7)
128 #define USR1_RTSS (1<<14) /* RTS pin status */
130 #define USR1_RTSD (1<<12) /* RTS delta */
148 #define USR2_RTSF (1<<4) /* RTS edge interrupt flag */
161 /* We've been assigned a range on the "Low-density serial ports" major */
[all …]
Dsc16is7xx.c1 // SPDX-License-Identifier: GPL-2.0+
3 * SC16IS7xx tty serial driver - Copyright (C) 2014 GridPoint
47 * - only on 75x/76x
50 * - only on 75x/76x
53 * - only on 75x/76x
56 * - only on 75x/76x
65 #define SC16IS7XX_DLL_REG (0x00) /* Divisor Latch Low */
84 /* IER register bits - write only if (EFR[4] == 1) */
97 /* FCR register bits - write only if (EFR[4] == 1) */
107 #define SC16IS7XX_IIR_RTOI_SRC 0x0c /* RX time-out interrupt */
[all …]
/kernel/linux/linux-5.10/arch/arm/boot/dts/
Dimx6ul-kontron-n6x1x-s.dtsi1 // SPDX-License-Identifier: GPL-2.0
8 #include <dt-bindings/gpio/gpio.h>
11 gpio-leds {
12 compatible = "gpio-leds";
13 pinctrl-names = "default";
14 pinctrl-0 = <&pinctrl_gpio_leds>;
17 label = "debug-led1";
19 default-state = "off";
20 linux,default-trigger = "heartbeat";
24 label = "debug-led2";
[all …]
/kernel/linux/linux-6.6/arch/arm/boot/dts/nxp/imx/
Dimx6ul-kontron-bl-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
8 #include <dt-bindings/gpio/gpio.h>
11 gpio-leds {
12 compatible = "gpio-leds";
13 pinctrl-names = "default";
14 pinctrl-0 = <&pinctrl_gpio_leds>;
17 label = "debug-led1";
19 default-state = "off";
20 linux,default-trigger = "heartbeat";
24 label = "debug-led2";
[all …]
Dimx7-mba7.dtsi1 // SPDX-License-Identifier: GPL-2.0 OR X11
3 * Device Tree Include file for TQ-Systems MBa7 carrier board.
5 * Copyright (C) 2016 TQ-Systems GmbH
6 * Author: Markus Niebel <Markus.Niebel@tq-group.com>
13 #include <dt-bindings/input/input.h>
14 #include <dt-bindings/net/ti-dp83867.h>
20 /delete-property/ mmc2;
24 compatible = "gpio-beeper";
29 stdout-path = &uart6;
32 gpio_buttons: gpio-keys {
[all …]
Dmba6ulx.dtsi1 // SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
3 * Copyright 2018-2022 TQ-Systems GmbH
4 * Author: Markus Niebel <Markus.Niebel@tq-group.com>
8 model = "TQ-Systems MBA6ULx Baseboard";
18 stdout-path = &uart1;
22 compatible = "pwm-backlight";
23 power-supply = <&reg_mba6ul_3v3>;
24 enable-gpios = <&expander_out0 4 GPIO_ACTIVE_HIGH>;
29 compatible = "gpio-beeper";
33 gpio_buttons: gpio-keys {
[all …]
Dimx6qdl-mba6.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright 2013-2021 TQ-Systems GmbH
6 * Author: Markus Niebel <Markus.Niebel@tq-group.com>
9 #include <dt-bindings/clock/imx6qdl-clock.h>
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/input/input.h>
12 #include <dt-bindings/sound/fsl-imx-audmux.h>
18 /delete-property/ mmc2;
19 /delete-property/ mmc3;
24 stdout-path = &uart2;
[all …]
Dimx6dl-plybas.dts1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
7 /dts-v1/;
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/leds/common.h>
17 stdout-path = &uart4;
21 compatible = "gpio-keys";
24 button-start {
30 button-clean {
38 compatible = "gpio-leds";
39 pinctrl-names = "default";
[all …]
/kernel/linux/linux-6.6/drivers/usb/serial/
Dxr_serial.c1 // SPDX-License-Identifier: GPL-2.0+
10 * https://lore.kernel.org/r/20180404070634.nhspvmxcjwfgjkcv@advantechmxl-desktop
240 u8 channel; /* zero-based index or interface number */
241 struct serial_rs485 rs485; member
247 const struct xr_type *type = data->type; in xr_set_reg()
248 struct usb_serial *serial = port->serial; in xr_set_reg()
251 ret = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), in xr_set_reg()
252 type->set_reg, in xr_set_reg()
253 USB_DIR_OUT | USB_TYPE_VENDOR | type->reg_recipient, in xr_set_reg()
257 dev_err(&port->dev, "Failed to set reg 0x%02x: %d\n", reg, ret); in xr_set_reg()
[all …]
/kernel/linux/linux-5.10/drivers/tty/serial/
Dserial_core.c1 // SPDX-License-Identifier: GPL-2.0+
8 * Copyright (C) 2000-2001 Deep Blue Solutions Ltd.
38 * lockdep: port->lock is initialized in two places, but we
39 * want only one lock-class:
43 #define HIGH_BITS_OFFSET ((sizeof(long)-sizeof(int))*8)
46 * Max time with active RTS before/after data is sent.
60 return !!(uport->status & UPSTAT_DCD_ENABLE); in uart_dcd_enabled()
65 if (atomic_add_unless(&state->refcount, 1, 0)) in uart_port_ref()
66 return state->uart_port; in uart_port_ref()
72 if (atomic_dec_and_test(&uport->state->refcount)) in uart_port_deref()
[all …]
Dimx.c1 // SPDX-License-Identifier: GPL-2.0+
30 #include <linux/dma-mapping.h>
33 #include <linux/platform_data/serial-imx.h>
34 #include <linux/platform_data/dma-imx.h>
75 #define UCR1_RTSDEN (1<<5) /* RTS delta interrupt enable */
83 #define UCR2_IRTS (1<<14) /* Ignore RTS pin */
125 #define UFCR_RFDIV_REG(x) (((x) < 7 ? 6 - (x) : 6) << 7)
128 #define USR1_RTSS (1<<14) /* RTS pin status */
130 #define USR1_RTSD (1<<12) /* RTS delta */
148 #define USR2_RTSF (1<<4) /* RTS edge interrupt flag */
[all …]
Dsc16is7xx.c1 // SPDX-License-Identifier: GPL-2.0+
3 * SC16IS7xx tty serial driver - Copyright (C) 2014 GridPoint
47 * - only on 75x/76x
50 * - only on 75x/76x
53 * - only on 75x/76x
56 * - only on 75x/76x
65 #define SC16IS7XX_DLL_REG (0x00) /* Divisor Latch Low */
84 /* IER register bits - write only if (EFR[4] == 1) */
97 /* FCR register bits - write only if (EFR[4] == 1) */
107 #define SC16IS7XX_IIR_RTOI_SRC 0x0c /* RX time-out interrupt */
[all …]
Datmel_serial.c1 // SPDX-License-Identifier: GPL-2.0+
23 #include <linux/dma-mapping.h>
45 * These two offsets are substracted from the RX FIFO size to define the RTS
46 * high and low thresholds
61 /* Use device name ttyAT, major 204 and minor 154-169. This is necessary if we
70 /* Use device name ttyS, major 4, minor 64-68. This is the usual serial port
162 bool hd_start_rx; /* can start RX during half-duplex operation */
194 { .compatible = "atmel,at91rm9200-usart-serial" },
207 return __raw_readl(port->membase + reg); in atmel_uart_readl()
212 __raw_writel(value, port->membase + reg); in atmel_uart_writel()
[all …]

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