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/kernel/linux/linux-6.6/arch/arm/boot/dts/microchip/
Daks-cdu.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * aks-cdu.dts - Device Tree file for AK signal CDU
9 /dts-v1/;
11 #include "ge863-pro3.dtsi"
20 clock-frequency = <32768>;
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;
[all …]
Danimeo_ip.dts1 // SPDX-License-Identifier: GPL-2.0-only
3 * animeo_ip.dts - Device Tree file for Somfy Animeo IP Boards
5 * Copyright (C) 2011-2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
8 /dts-v1/;
13 compatible = "somfy,animeo-ip", "atmel,at91sam9260", "atmel,at91sam9";
26 stdout-path = &usart2;
35 clock-frequency = <32768>;
39 clock-frequency = <18432000>;
47 compatible = "atmel,tcb-timer";
52 compatible = "atmel,tcb-timer";
[all …]
/kernel/linux/linux-5.10/arch/arm/boot/dts/
Daks-cdu.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * aks-cdu.dts - Device Tree file for AK signal CDU
9 /dts-v1/;
11 #include "ge863-pro3.dtsi"
20 clock-frequency = <32768>;
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;
[all …]
Dstm32mp15xx-dhcom-drc02.dtsi1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
6 #include <dt-bindings/input/input.h>
7 #include <dt-bindings/pwm/pwm.h>
17 stdout-path = "serial0:115200n8";
34 * line. Hence, the RX is always enabled here.
36 rs485-rx-en {
37 gpio-hog;
39 output-low;
40 line-name = "rs485-rx-en";
45 gpio-line-names = "", "", "", "",
[all …]
Danimeo_ip.dts1 // SPDX-License-Identifier: GPL-2.0-only
3 * animeo_ip.dts - Device Tree file for Somfy Animeo IP Boards
5 * Copyright (C) 2011-2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
8 /dts-v1/;
13 compatible = "somfy,animeo-ip", "atmel,at91sam9260", "atmel,at91sam9";
26 stdout-path = &usart2;
35 clock-frequency = <32768>;
39 clock-frequency = <18432000>;
47 compatible = "atmel,tcb-timer";
52 compatible = "atmel,tcb-timer";
[all …]
Dam335x-nano.dts1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2013 Newflow Ltd - http://www.newflow.co.uk/
5 /dts-v1/;
15 cpu0-supply = <&dcdc2_reg>;
25 compatible = "gpio-leds";
30 default-state = "off";
36 pinctrl-names = "default";
37 pinctrl-0 = <&misc_pins>;
40 pinctrl-single,pins = <
46 pinctrl-single,pins = <
[all …]
/kernel/linux/linux-5.10/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 Bindings
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:
18 description: prop-encoded-array <a b>
[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 …]
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 …]
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#
10 - Fugang Duan <fugang.duan@nxp.com>
13 - $ref: "rs485.yaml"
18 - enum:
19 - fsl,vf610-lpuart
20 - fsl,ls1021a-lpuart
21 - fsl,ls1028a-lpuart
[all …]
/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
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:
18 description: prop-encoded-array <a b>
[all …]
/kernel/linux/linux-6.6/arch/arm/boot/dts/ti/omap/
Dam335x-nano.dts1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2013 Newflow Ltd - http://www.newflow.co.uk/
5 /dts-v1/;
15 cpu0-supply = <&dcdc2_reg>;
25 compatible = "gpio-leds";
30 default-state = "off";
36 pinctrl-names = "default";
37 pinctrl-0 = <&misc_pins>;
39 misc_pins: misc-pins {
40 pinctrl-single,pins = <
[all …]
Dam335x-regor.dtsi1 // SPDX-License-Identifier: GPL-2.0
9 model = "Phytec AM335x phyBOARD-REGOR";
10 compatible = "phytec,am335x-regor", "phytec,am335x-phycore-som", "ti,am33xx";
13 compatible = "regulator-fixed";
14 regulator-name = "vcc3v3";
15 regulator-min-microvolt = <3300000>;
16 regulator-max-microvolt = <3300000>;
17 regulator-boot-on;
21 user_leds: user-leds {
22 compatible = "gpio-leds";
[all …]
/kernel/linux/linux-6.6/Documentation/driver-api/serial/
Dserial-rs485.rst2 RS485 Serial Communications
8 EIA-485, also known as TIA/EIA-485 or RS-485, is a standard defining the
15 2. Hardware-related Considerations
18 Some CPUs/UARTs (e.g., Atmel AT91 or 16C950 UART) contain a built-in
19 half-duplex mode capable of automatically controlling line direction by
21 half-duplex hardware like an RS485 transceiver or any RS232-connected
22 half-duplex devices like some modems.
26 available at user-level to allow switching from one mode to the other, and
32 The Linux kernel provides the struct serial_rs485 to handle RS485
33 communications. This data structure is used to set and configure RS485
[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-venice-gw73xx-0x-rs485.dtso1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
5 * GW73xx RS485 HD:
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 high (active)
9 * - UART4_TX is DE for RS485 transmitter
10 * - RS485_EN needs to be pulled high
11 * - RS485_HALF needs to be pulled high
14 #include <dt-bindings/gpio/gpio.h>
16 #include "imx8mm-pinfunc.h"
[all …]
Dimx8mm-venice-gw72xx-0x-rs485.dtso1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
5 * GW72xx RS485 HD:
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 high (active)
9 * - UART4_TX is DE for RS485 transmitter
10 * - RS485_EN needs to be pulled high
11 * - RS485_HALF needs to be pulled high
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/arch/arm/boot/dts/st/
Dstm32mp15xx-dhcom-drc02.dtsi1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
6 #include <dt-bindings/input/input.h>
7 #include <dt-bindings/pwm/pwm.h>
22 * line. Hence, the RX is always enabled here.
24 rs485-rx-en-hog {
25 gpio-hog;
27 output-low;
28 line-name = "rs485-rx-en";
33 gpio-line-names = "", "", "", "",
34 "", "", "DHCOM-B", "",
[all …]
/kernel/linux/linux-6.6/arch/arm/boot/dts/nxp/imx/
Dimx6ull-dhcom-drc02.dts1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
6 * DHCM-iMX6ULL-C080-R051-F0409-SPI-E2-CAN2-SD-RTC-ADC-I-01D2
7 * DHCOR PCB number: 578-200 or newer
8 * DHCOM PCB number: 579-200 or newer
9 * DRC02 PCB number: 568-100 or newer (2nd ethernet by SoM)
11 /dts-v1/;
13 #include "imx6ull-dhcom-som.dtsi"
14 #include "imx6ull-dhcom-som-cfg-sdcard.dtsi"
18 compatible = "dh,imx6ull-dhcom-drc02", "dh,imx6ull-dhcom-som",
19 "dh,imx6ull-dhcor-som", "fsl,imx6ull";
[all …]
Dimx6qdl-dhcom-drc02.dtsi1 // SPDX-License-Identifier: GPL-2.0+
8 stdout-path = "serial0:115200n8";
28 * line. Hence, the RX is always enabled here.
30 rs485-rx-en-hog {
31 gpio-hog;
33 line-name = "rs485-rx-en";
34 output-low;
39 gpio-line-names =
43 "", "", "", "DRC02-In1", "", "", "", "";
47 gpio-line-names =
[all …]
/kernel/linux/linux-5.10/Documentation/devicetree/bindings/mfd/
Datmel-usart.txt4 - compatible: Should be one of the following:
5 - "atmel,at91rm9200-usart"
6 - "atmel,at91sam9260-usart"
7 - "microchip,sam9x60-usart"
8 - "atmel,at91rm9200-dbgu", "atmel,at91rm9200-usart"
9 - "atmel,at91sam9260-dbgu", "atmel,at91sam9260-usart"
10 - "microchip,sam9x60-dbgu", "microchip,sam9x60-usart"
11 - reg: Should contain registers location and length
12 - interrupts: Should contain interrupt
13 - clock-names: tuple listing input clock names.
[all …]

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