Searched +full:rs485 +full:- +full:rx +full:- +full:during +full:- +full:tx (Results 1 – 13 of 13) sorted by relevance
/linux/Documentation/devicetree/bindings/serial/ |
H A D | rs485.yaml | 1 # 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 …]
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/linux/arch/arm/boot/dts/nxp/imx/ |
H A D | imx6qdl-dhcom-drc02.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+ 8 stdout-path = "serial0:115200n8"; 14 * pins SD3_DAT0 and SD3_DAT1 are muxed as can2 Tx and Rx. The signals for can2 15 * Tx and Rx are routed to the DHCOM UART1 rts/cts pins. Therefore the micro SD 26 * GPIO line, however the i.MX6 UART driver assumes RX happens 27 * during TX anyway and that it only controls drive enable DE 28 * line. Hence, the RX is always enabled here. 30 rs485-rx-en-hog { 31 gpio-hog; 33 line-name = "rs485-rx-en"; [all …]
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H A D | imx6ull-dhcom-drc02.dts | 1 // 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 …]
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H A D | imx6qdl-mba6.dtsi | 1 // 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 …]
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H A D | imx6q-bosch-acc.dts | 1 // SPDX-License-Identifier: GPL-2.0 3 * Support for the i.MX6-based Bosch ACC board. 8 * Copyright (C) 2019-2021 Bosch Thermotechnik GmbH, Matthias Winker <matthias.winker@bosch.com> 12 /dts-v1/; 14 #include <dt-bindings/gpio/gpio.h> 15 #include <dt-bindings/leds/common.h> 20 compatible = "bosch,imx6q-acc", "fsl,imx6q"; 37 backlight_lvds: backlight-lvds { 38 compatible = "pwm-backlight"; 40 brightness-levels = <0 61 499 1706 4079 8022 13938 22237 33328 47623 65535>; [all …]
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/linux/arch/arm/boot/dts/st/ |
H A D | stm32mp15xx-dhcom-drc02.dtsi | 1 // 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"; 32 * GPIO line, however the STM32 UART driver assumes RX happens 33 * during TX anyway and that it only controls drive enable DE 34 * line. Hence, the RX is always enabled here. 36 rs485-rx-en-hog { 37 gpio-hog; 39 output-low; [all …]
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/linux/arch/arm64/boot/dts/freescale/ |
H A D | imx8mm-verdin-dev.dtsi | 1 // 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 = "verdin-nau8822"; 14 simple-audio-card,routing = 25 simple-audio-card,widgets = [all …]
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/linux/drivers/tty/serial/ |
H A D | imx.c | 1 // SPDX-License-Identifier: GPL-2.0+ 31 #include <linux/dma-mapping.h> 34 #include <linux/dma/imx-dma.h> 126 #define UFCR_RFDIV_REG(x) (((x) < 7 ? 6 - (x) : 6) << 7) 155 #define UTS_LOOP (1<<12) /* Loop tx and rx */ 162 /* We've been assigned a range on the "Low-density serial ports" major */ 171 * filling the TX fifo incase CTS has been dropped. 175 #define DRIVER_NAME "IMX-uart" 257 * compatible to fsl,imx6q-uart, but not fsl,imx21-uart, while the 258 * original imx6q's UART is compatible to fsl,imx21-uart. This driver [all …]
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H A D | atmel_serial.c | 1 // SPDX-License-Identifier: GPL-2.0+ 18 #include <linux/clk-provider.h> 24 #include <linux/dma-mapping.h> 46 * These two offsets are substracted from the RX FIFO size to define the RTS 62 /* Use device name ttyAT, major 204 and minor 154-169. This is necessary if we 71 /* Use device name ttyS, major 4, minor 64-68. This is the usual serial port 117 u32 backup_imr; /* IMR saved during suspend */ 122 short pdc_rx_idx; /* current PDC RX buffer */ 148 u32 backup_mode; /* MR saved during iso7816 operations */ 149 u32 backup_brgr; /* BRGR saved during iso7816 operations */ [all …]
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H A D | fsl_lpuart.c | 1 // SPDX-License-Identifier: GPL-2.0+ 5 * Copyright 2012-2014 Freescale Semiconductor, Inc. 14 #include <linux/dma-mapping.h> 30 /* All registers are 8-bit width */ 119 /* 32-bit global registers only for i.MX7ULP/i.MX8x 124 /* 32-bit register definition */ 240 /* Rx DMA timeout in ms, which is used to calculate Rx ring buffer size */ 245 #define DRIVER_NAME "fsl-lpuart" 348 { .compatible = "fsl,vf610-lpuart", .data = &vf_data, }, 349 { .compatible = "fsl,ls1021a-lpuart", .data = &ls1021a_data, }, [all …]
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/linux/arch/arm64/boot/dts/ti/ |
H A D | k3-am62-verdin-dev.dtsi | 1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT 7 * https://www.toradex.com/computer-on-modules/verdin-arm-family/ti-am62 8 * https://www.toradex.com/products/carrier-board/verdin-development-board-kit 13 compatible = "simple-audio-card"; 14 simple-audio-card,bitclock-master = <&codec_dai>; 15 simple-audio-card,format = "i2s"; 16 simple-audio-card,frame-master = <&codec_dai>; 17 simple-audio-card,mclk-fs = <256>; 18 simple-audio-card,name = "verdin-nau8822"; 19 simple-audio-card,routing = [all …]
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/linux/Documentation/firmware-guide/acpi/ |
H A D | enumeration.rst | 1 .. SPDX-License-Identifier: GPL-2.0 13 that are accessed through memory-mapped registers. 15 In order to support this and re-use the existing drivers as much as 18 - Devices that have no bus connector resource are represented as 21 - Devices behind real busses where there is a connector resource 34 This means that when ACPI_HANDLE(dev) returns non-NULL the device was 36 device-specific configuration. There is an example of this below. 43 for the device and add supported ACPI IDs. If this same IP-block is used on 44 some other non-ACPI platform, the driver might work out of the box or needs 163 to a specific FixedDMA resource. By default "tx" means the first entry of the [all …]
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/linux/drivers/tty/serial/8250/ |
H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0 23 non-standard serial ports, since the configuration information will 51 If you did not notice yet and/or you have userspace from pre-3.7, it 77 Selecting this option will add support for the RS232 and RS485 146 Note that serial ports on NetMos 9835 Multi-I/O cards are handled 168 Say Y here to enable support for 16-bit PCMCIA serial devices, 170 multi-function Ethernet/modem cards. (PCMCIA- or PC-cards are 171 credit-card size devices often used with laptops.) 197 PCI enumeration and any ports that may be added at run-time 198 via hot-plug, or any ISA multi-port serial cards. [all …]
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