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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
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-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 …]
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 …]
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 …]
/kernel/linux/linux-6.6/arch/arm/boot/dts/nxp/imx/
Dimx6qdl-dhcom-drc02.dtsi1 // 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 …]
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 …]
/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 …]
/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 …]
/kernel/linux/linux-5.10/drivers/tty/serial/
Dfsl_lpuart.c1 // SPDX-License-Identifier: GPL-2.0+
5 * Copyright 2012-2014 Freescale Semiconductor, Inc.
10 #include <linux/dma-mapping.h>
23 /* All registers are 8-bit width */
112 /* 32-bit register definition */
222 /* Rx DMA timeout in ms, which is used to calculate Rx ring buffer size */
225 #define DRIVER_NAME "fsl-lpuart"
302 { .compatible = "fsl,vf610-lpuart", .data = &vf_data, },
303 { .compatible = "fsl,ls1021a-lpuart", .data = &ls1021a_data, },
304 { .compatible = "fsl,ls1028a-lpuart", .data = &ls1028a_data, },
[all …]
Dsc16is7xx.c1 // SPDX-License-Identifier: GPL-2.0+
3 * SC16IS7xx tty serial driver - Copyright (C) 2014 GridPoint
34 #define SC16IS7XX_RHR_REG (0x00) /* RX FIFO */
35 #define SC16IS7XX_THR_REG (0x00) /* TX FIFO */
44 #define SC16IS7XX_TXLVL_REG (0x08) /* TX FIFO level */
45 #define SC16IS7XX_RXLVL_REG (0x09) /* RX FIFO level */
47 * - only on 75x/76x
50 * - only on 75x/76x
53 * - only on 75x/76x
56 * - only on 75x/76x
[all …]
Domap-serial.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Driver for OMAP-UART controller.
16 * this driver as required for the omap-platform.
37 #include <linux/platform_data/serial-omap.h>
78 #define OMAP_UART_DMA_CH_FREE -1
107 * Buffer for rx dma. It is not required for tx because the buffer
117 /* timer to poll activity on rx dma */
175 offset <<= up->port.regshift; in serial_in()
176 return readw(up->port.membase + offset); in serial_in()
181 offset <<= up->port.regshift; in serial_out()
[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>
125 #define UFCR_RFDIV_REG(x) (((x) < 7 ? 6 - (x) : 6) << 7)
154 #define UTS_LOOP (1<<12) /* Loop tx and rx */
161 /* We've been assigned a range on the "Low-density serial ports" major */
170 * filling the TX fifo incase CTS has been dropped.
174 #define DRIVER_NAME "IMX-uart"
268 .name = "imx1-uart",
[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
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
113 u32 backup_imr; /* IMR saved during suspend */
118 short pdc_rx_idx; /* current PDC RX buffer */
144 u32 backup_mode; /* MR saved during iso7816 operations */
145 u32 backup_brgr; /* BRGR saved during iso7816 operations */
162 bool hd_start_rx; /* can start RX during half-duplex operation */
[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>
20 * GPIO line, however the STM32 UART driver assumes RX happens
21 * during TX anyway and that it only controls drive enable DE
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";
[all …]
/kernel/linux/linux-5.10/arch/arm/boot/dts/
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";
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 {
37 gpio-hog;
39 output-low;
[all …]
/kernel/linux/linux-6.6/arch/arm64/boot/dts/freescale/
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/
Dimx.c1 // SPDX-License-Identifier: GPL-2.0+
30 #include <linux/dma-mapping.h>
33 #include <linux/dma/imx-dma.h>
125 #define UFCR_RFDIV_REG(x) (((x) < 7 ? 6 - (x) : 6) << 7)
154 #define UTS_LOOP (1<<12) /* Loop tx and rx */
161 /* We've been assigned a range on the "Low-density serial ports" major */
170 * filling the TX fifo incase CTS has been dropped.
174 #define DRIVER_NAME "IMX-uart"
265 { .compatible = "fsl,imx6q-uart", .data = &imx_uart_devdata[IMX6Q_UART], },
266 { .compatible = "fsl,imx53-uart", .data = &imx_uart_devdata[IMX53_UART], },
[all …]
Damba-pl011.c1 // SPDX-License-Identifier: GPL-2.0+
9 * Copyright (C) 2010 ST-Ericsson SA
11 * This is a generic driver for ARM AMBA-type serial ports. They
12 * have a lot of 16550-like features, but are not register compatible.
35 #include <linux/dma-mapping.h>
82 /* The size of the array - must be last */
262 unsigned int fifosize; /* vendor-specific */
263 unsigned int fixed_baud; /* vendor-set fixed baud rate */
282 return uap->reg_offset[reg]; in pl011_reg_to_offset()
288 void __iomem *addr = uap->port.membase + pl011_reg_to_offset(uap, reg); in pl011_read()
[all …]
Domap-serial.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Driver for OMAP-UART controller.
16 * this driver as required for the omap-platform.
38 #include <linux/platform_data/serial-omap.h>
79 #define OMAP_UART_DMA_CH_FREE -1
108 * Buffer for rx dma. It is not required for tx because the buffer
118 /* timer to poll activity on rx dma */
176 offset <<= up->port.regshift; in serial_in()
177 return readw(up->port.membase + offset); in serial_in()
182 offset <<= up->port.regshift; in serial_out()
[all …]
Dsc16is7xx.c1 // SPDX-License-Identifier: GPL-2.0+
3 * SC16IS7xx tty serial driver - Copyright (C) 2014 GridPoint
34 #define SC16IS7XX_RHR_REG (0x00) /* RX FIFO */
35 #define SC16IS7XX_THR_REG (0x00) /* TX FIFO */
44 #define SC16IS7XX_TXLVL_REG (0x08) /* TX FIFO level */
45 #define SC16IS7XX_RXLVL_REG (0x09) /* RX FIFO level */
47 * - only on 75x/76x
50 * - only on 75x/76x
53 * - only on 75x/76x
56 * - only on 75x/76x
[all …]
Datmel_serial.c1 // 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
115 u32 backup_imr; /* IMR saved during suspend */
120 short pdc_rx_idx; /* current PDC RX buffer */
146 u32 backup_mode; /* MR saved during iso7816 operations */
147 u32 backup_brgr; /* BRGR saved during iso7816 operations */
[all …]
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)
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()
75 wake_up(&uport->state->remove_wait); in uart_port_deref()
[all …]
/kernel/linux/linux-6.6/arch/arm64/boot/dts/ti/
Dk3-am62-verdin-dev.dtsi1 // 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,name = "verdin-nau8822";
18 simple-audio-card,routing =
29 simple-audio-card,widgets =
[all …]

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