| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/serial/ |
| D | serial.txt | 8 - cts-gpios: Must contain a GPIO specifier, referring to the GPIO pin to be
10 - dcd-gpios: Must contain a GPIO specifier, referring to the GPIO pin to be
12 - dsr-gpios: Must contain a GPIO specifier, referring to the GPIO pin to be
14 - dtr-gpios: Must contain a GPIO specifier, referring to the GPIO pin to be
16 - rng-gpios: Must contain a GPIO specifier, referring to the GPIO pin to be
18 - rts-gpios: Must contain a GPIO specifier, referring to the GPIO pin to be
19 used as the UART's RTS line.
21 - uart-has-rtscts: The presence of this property indicates that the
22 UART has dedicated lines for RTS/CTS hardware flow control, and that
25 Note that this property is mutually-exclusive with "cts-gpios" and
[all …]
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| D | sirf-uart.txt | 4 - compatible : Should be "sirf,prima2-uart", "sirf, prima2-usp-uart",
5 "sirf,atlas7-uart" or "sirf,atlas7-usp-uart".
6 - reg : Offset and length of the register set for the device
7 - interrupts : Should contain uart interrupt
8 - fifosize : Should define hardware rx/tx fifo size
9 - clocks : Should contain uart clock number
12 - uart-has-rtscts: we have hardware flow controller pins in hardware
13 - rts-gpios: RTS pin for USP-based UART if uart-has-rtscts is true
14 - cts-gpios: CTS pin for USP-based UART if uart-has-rtscts is true
19 cell-index = <0>;
[all …]
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| D | atmel-usart.txt | 4 - compatible: Should be "atmel,<chip>-usart" or "atmel,<chip>-dbgu"
7 For the dbgu UART, use "atmel,<chip>-dbgu", "atmel,<chip>-usart"
8 - reg: Should contain registers location and length
9 - interrupts: Should contain interrupt
10 - clock-names: tuple listing input clock names.
12 - clocks: phandles to input clocks.
15 - atmel,use-dma-rx: use of PDC or DMA for receiving data
16 - atmel,use-dma-tx: use of PDC or DMA for transmitting data
17 - {rts,cts,dtr,dsr,rng,dcd}-gpios: specify a GPIO for RTS/CTS/DTR/DSR/RI/DCD line respectively.
20 - add dma bindings for dma transfer:
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| D | fsl-mxs-auart.txt | 4 - compatible : Should be one of fallowing variants:
5 "fsl,imx23-auart" - Freescale i.MX23
6 "fsl,imx28-auart" - Freescale i.MX28
7 "alphascale,asm9260-auart" - Alphascale ASM9260
8 - reg : Address and length of the register set for the device
9 - interrupts : Should contain the auart interrupt numbers
10 - dmas: DMA specifier, consisting of a phandle to DMA controller node
12 Refer to dma.txt and fsl-mxs-dma.txt for details.
13 - dma-names: "rx" for RX channel, "tx" for TX channel.
15 Required properties for "alphascale,asm9260-auart":
[all …]
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| D | cirrus,clps711x-uart.txt | 4 - compatible: Should be "cirrus,ep7209-uart".
5 - reg: Address and length of the register set for the device.
6 - interrupts: Should contain UART TX and RX interrupt.
7 - clocks: Should contain UART core clock number.
8 - syscon: Phandle to SYSCON node, which contain UART control bits.
11 - {rts,cts,dtr,dsr,rng,dcd}-gpios: specify a GPIO for RTS/CTS/DTR/DSR/RI/DCD
23 compatible = "cirrus,ep7312-uart","cirrus,ep7209-uart";
28 cts-gpios = <&sysgpio 0 GPIO_ACTIVE_LOW>;
29 dsr-gpios = <&sysgpio 1 GPIO_ACTIVE_LOW>;
30 dcd-gpios = <&sysgpio 2 GPIO_ACTIVE_LOW>;
|
| D | fsl-imx-uart.txt | 4 - compatible : Should be "fsl,<soc>-uart"
5 - reg : Address and length of the register set for the device
6 - interrupts : Should contain uart interrupt
9 - fsl,dte-mode : Indicate the uart works in DTE mode. The uart works
11 - rs485-rts-delay, rs485-rts-active-low, rs485-rx-during-tx,
12 linux,rs485-enabled-at-boot-time: see rs485.txt. Note that for RS485
13 you must enable either the "uart-has-rtscts" or the "rts-gpios"
14 properties. In case you use "uart-has-rtscts" the signal that controls
16 and RTS_B is input, regardless of dte-mode.
31 compatible = "fsl,imx51-uart", "fsl,imx21-uart";
[all …]
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/serial/ |
| D | sirf-uart.txt | 4 - compatible : Should be "sirf,prima2-uart", "sirf, prima2-usp-uart",
5 "sirf,atlas7-uart" or "sirf,atlas7-usp-uart".
6 - reg : Offset and length of the register set for the device
7 - interrupts : Should contain uart interrupt
8 - fifosize : Should define hardware rx/tx fifo size
9 - clocks : Should contain uart clock number
12 - uart-has-rtscts: we have hardware flow controller pins in hardware
13 - rts-gpios: RTS pin for USP-based UART if uart-has-rtscts is true
14 - cts-gpios: CTS pin for USP-based UART if uart-has-rtscts is true
19 cell-index = <0>;
[all …]
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| D | serial.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
10 - Rob Herring <robh@kernel.org>
11 - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
19 where N is the port number (non-negative decimal integer) as printed on the
26 cts-gpios:
32 dcd-gpios:
38 dsr-gpios:
44 dtr-gpios:
[all …]
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| D | st,stm32-uart.yaml | 1 # 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 …]
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| D | cirrus,clps711x-uart.txt | 4 - compatible: Should be "cirrus,ep7209-uart".
5 - reg: Address and length of the register set for the device.
6 - interrupts: Should contain UART TX and RX interrupt.
7 - clocks: Should contain UART core clock number.
8 - syscon: Phandle to SYSCON node, which contain UART control bits.
11 - {rts,cts,dtr,dsr,rng,dcd}-gpios: specify a GPIO for RTS/CTS/DTR/DSR/RI/DCD
23 compatible = "cirrus,ep7312-uart","cirrus,ep7209-uart";
28 cts-gpios = <&sysgpio 0 GPIO_ACTIVE_LOW>;
29 dsr-gpios = <&sysgpio 1 GPIO_ACTIVE_LOW>;
30 dcd-gpios = <&sysgpio 2 GPIO_ACTIVE_LOW>;
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| D | rs485.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
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:
18 description: prop-encoded-array <a b>
19 $ref: /schemas/types.yaml#/definitions/uint32-array
[all …]
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| D | 8250.yaml | 3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - devicetree@vger.kernel.org
13 - $ref: /schemas/serial.yaml#
14 - if:
16 - aspeed,sirq-polarity-sense
20 const: aspeed,ast2500-vuart
21 - if:
24 const: mrvl,mmp-uart
27 reg-shift:
[all …]
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| D | fsl-mxs-auart.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/serial/fsl-mxs-auart.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Fabio Estevam <fabio.estevam@nxp.com>
13 - $ref: "serial.yaml"
18 - fsl,imx23-auart
19 - fsl,imx28-auart
20 - alphascale,asm9260-auart
30 - description: DMA controller phandle and request line for RX
[all …]
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/mfd/ |
| D | atmel-usart.txt | 4 - 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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| /kernel/linux/linux-5.10/arch/arm/boot/dts/ |
| D | aks-cdu.dts | 1 // 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 …]
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| D | stm32mp157a-iot-box.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
7 #include "stm32mp157a-stinger96.dtsi"
11 compatible = "shiratech,stm32mp157a-iot-box", "st,stm32mp157";
13 wlan_pwr: regulator-wlan {
14 compatible = "regulator-fixed";
16 regulator-name = "wl-reg";
17 regulator-min-microvolt = <3300000>;
18 regulator-max-microvolt = <3300000>;
20 gpios = <&gpiog 3 GPIO_ACTIVE_HIGH>;
[all …]
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| D | am335x-netcom-plus-2xx.dts | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/
11 /dts-v1/;
13 #include "am335x-baltos.dtsi"
14 #include "am335x-baltos-leds.dtsi"
22 pinctrl-single,pins = <
26 AM33XX_PADCONF(AM335X_PIN_UART1_RTSN, PIN_OUTPUT_PULLDOWN, MUX_MODE0) /* RTS */
35 pinctrl-single,pins = <
39 AM33XX_PADCONF(AM335X_PIN_I2C0_SCL, PIN_OUTPUT_PULLDOWN, MUX_MODE2) /* RTS */
58 pinctrl-names = "default";
[all …]
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| D | imx6dl-eckelmann-ci4x10.dts | 1 // SPDX-License-Identifier: GPL-2.0
7 /dts-v1/;
9 #include <dt-bindings/gpio/gpio.h>
15 compatible = "eckelmann,imx6dl-ci4x10", "fsl,imx6dl";
18 stdout-path = &uart3;
26 rmii_clk: clock-rmii {
28 compatible = "fixed-clock";
29 #clock-cells = <0>;
30 clock-frequency = <50000000>;
33 reg_usb_h1_vbus: regulator-usb-h1-vbus {
[all …]
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| /kernel/linux/linux-4.19/arch/arm/boot/dts/ |
| D | aks-cdu.dts | 2 * aks-cdu.dts - Device Tree file for AK signal CDU
10 /dts-v1/;
12 #include "ge863-pro3.dtsi"
21 clock-frequency = <32768>;
33 linux,rs485-enabled-at-boot-time;
34 rs485-rts-delay = <0 0>;
39 linux,rs485-enabled-at-boot-time;
40 rs485-rts-delay = <0 0>;
45 linux,rs485-enabled-at-boot-time;
46 rs485-rts-delay = <0 0>;
[all …]
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/pinctrl/ |
| D | marvell,dove-pinctrl.txt | 3 Please refer to marvell,mvebu-pinctrl.txt in this directory for common binding
7 - compatible: "marvell,dove-pinctrl"
8 - clocks: (optional) phandle of pdma clock
9 - reg: register specifiers of MPP, MPP4, and PMU MPP registers
18 mpp0 0 gpio, pmu, uart2(rts), sdio0(cd), lcd0(pwm), pmu*
21 uart1(rts), pmu*
23 uart1(cts), lcd-spi(cs1), pmu*
24 mpp4 4 gpio, pmu, uart3(rts), sdio1(cd), spi1(miso), pmu*
31 mpp11 11 gpio, pmu, sata(prsnt), sata-1(act), sdio0(ledctrl),
33 mpp12 12 gpio, pmu, uart2(rts), audio0(extclk), sdio1(cd),
[all …]
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| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/pinctrl/ |
| D | marvell,dove-pinctrl.txt | 3 Please refer to marvell,mvebu-pinctrl.txt in this directory for common binding
7 - compatible: "marvell,dove-pinctrl"
8 - clocks: (optional) phandle of pdma clock
9 - reg: register specifiers of MPP, MPP4, and PMU MPP registers
18 mpp0 0 gpio, pmu, uart2(rts), sdio0(cd), lcd0(pwm), pmu*
21 uart1(rts), pmu*
23 uart1(cts), lcd-spi(cs1), pmu*
24 mpp4 4 gpio, pmu, uart3(rts), sdio1(cd), spi1(miso), pmu*
31 mpp11 11 gpio, pmu, sata(prsnt), sata-1(act), sdio0(ledctrl),
33 mpp12 12 gpio, pmu, uart2(rts), audio0(extclk), sdio1(cd),
[all …]
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| /kernel/linux/linux-5.10/arch/mips/boot/dts/ralink/ |
| D | gardena_smart_gateway_mt7688.dts | 1 // SPDX-License-Identifier: GPL-2.0
6 /dts-v1/;
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/input/input.h>
14 compatible = "gardena,smart-gateway-mt7688", "ralink,mt7688a-soc",
15 "ralink,mt7628a-soc";
23 gpio-keys {
24 compatible = "gpio-keys";
26 pinctrl-names = "default";
27 pinctrl-0 = <&pinmux_gpio_gpio>; /* GPIO11 */
[all …]
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| /kernel/linux/linux-4.19/Documentation/serial/ |
| D | driver | 3 --------------------
15 --------------------------------
25 ---------------
38 -------
41 necessary locking using port->lock. There are some exceptions (which
44 There are two locks. A per-port spinlock, and an overall semaphore.
46 From the core driver perspective, the port->lock locks the following
49 port->mctrl
50 port->icount
51 port->state->xmit.head (circ_buf->head)
[all …]
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| /kernel/linux/linux-5.10/Documentation/driver-api/serial/ |
| D | driver.rst | 10 The reference implementation is contained within amba-pl011.c.
15 --------------------------------
25 ---------------
38 -------
41 necessary locking using port->lock. There are some exceptions (which
44 There are two locks. A per-port spinlock, and an overall semaphore.
46 From the core driver perspective, the port->lock locks the following
49 port->mctrl
50 port->icount
51 port->state->xmit.head (circ_buf->head)
[all …]
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| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/soc/fsl/cpm_qe/ |
| D | serial.txt | 4 - fsl,cpm1-smc-uart
5 - fsl,cpm2-smc-uart
6 - fsl,cpm1-scc-uart
7 - fsl,cpm2-scc-uart
8 - fsl,qe-uart
10 Modem control lines connected to GPIO controllers are listed in the gpios
11 property as described in booting-without-of.txt, section IX.1 in the following
14 CTS, RTS, DCD, DSR, DTR, and RI.
16 The gpios property is optional and can be left out when control lines are
23 compatible = "fsl,mpc8272-scc-uart",
[all …]
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