| /Linux-v5.15/arch/arm/boot/dts/ |
| D | imx6qdl-dhcom-drc02.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+
8 stdout-path = "serial0:115200n8";
15 * Tx and Rx are routed to the DHCOM UART1 rts/cts pins. Therefore the micro SD
16 * card must be disabled and the uart1 rts/cts must be output on other DHCOM
30 rs485-rx-en-hog {
31 gpio-hog;
32 gpios = <18 0>; /* GPIO Q */
33 line-name = "rs485-rx-en";
34 output-low;
39 gpio-line-names =
[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 = <
25 AM33XX_PADCONF(AM335X_PIN_UART1_CTSN, PIN_INPUT_PULLDOWN, MUX_MODE0) /* CTS */
35 pinctrl-single,pins = <
38 AM33XX_PADCONF(AM335X_PIN_I2C0_SDA, PIN_INPUT_PULLDOWN, MUX_MODE2) /* CTS */
58 pinctrl-names = "default";
[all …]
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| D | imx6ul-ccimx6ulsbcpro.dts | 1 // SPDX-License-Identifier: GPL-2.0
9 /dts-v1/;
10 #include <dt-bindings/input/input.h>
11 #include <dt-bindings/interrupt-controller/irq.h>
13 #include "imx6ul-ccimx6ulsom.dtsi"
20 compatible = "pwm-backlight";
22 brightness-levels = <0 4 8 16 32 64 128 255>;
23 default-brightness-level = <6>;
29 power-supply = <&ldo4_ext>;
34 remote-endpoint = <&display_out>;
[all …]
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| D | ste-nomadik-nhk15.dts | 1 // SPDX-License-Identifier: GPL-2.0
6 /dts-v1/;
7 #include <dt-bindings/interrupt-controller/irq.h>
8 #include <dt-bindings/gpio/gpio.h>
9 #include "ste-nomadik-stn8815.dtsi"
13 compatible = "st,nomadik-nhk-15";
22 stmpe-i2c0 = &stmpe0;
23 stmpe-i2c1 = &stmpe1;
71 disable-sxtalo;
72 disable-mxtalo;
[all …]
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| /Linux-v5.15/Documentation/devicetree/bindings/serial/ |
| 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
28 cts-gpios:
32 the UART's CTS line.
34 dcd-gpios:
40 dsr-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>
15 - st,stm32-uart
16 - st,stm32f7-uart
17 - st,stm32h7-uart
34 st,hw-flow-ctrl:
38 uart-has-rtscts: true
[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 | microchip,pic32-uart.txt | 4 - compatible: Should be "microchip,pic32mzda-uart"
5 - reg: Should contain registers location and length
6 - interrupts: Should contain interrupt
7 - clocks: Phandle to the clock.
8 See: Documentation/devicetree/bindings/clock/clock-bindings.txt
9 - pinctrl-names: A pinctrl state names "default" must be defined.
10 - pinctrl-0: Phandle referencing pin configuration of the UART peripheral.
11 See: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
14 - cts-gpios: CTS pin for UART
18 compatible = "microchip,pic32mzda-uart";
[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: serial.yaml#
14 - if:
16 - required:
17 - aspeed,lpc-io-reg
18 - required:
19 - aspeed,lpc-interrupts
20 - required:
[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 <festevam@gmail.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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| D | 8250_omap.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Vignesh Raghavendra <vigneshr@ti.com>
13 - $ref: /schemas/serial/serial.yaml#
14 - $ref: /schemas/serial/rs485.yaml#
19 - enum:
20 - ti,am3352-uart
21 - ti,am4372-uart
22 - ti,am654-uart
[all …]
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| /Linux-v5.15/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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| /Linux-v5.15/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
19 mpp1 1 gpio, pmu, uart2(cts), sdio0(wp), lcd1(pwm), pmu*
23 uart1(cts), lcd-spi(cs1), pmu*
25 mpp5 5 gpio, pmu, uart3(cts), sdio1(wp), spi1(cs), pmu*
31 mpp11 11 gpio, pmu, sata(prsnt), sata-1(act), sdio0(ledctrl),
35 mpp13 13 gpio, pmu, uart2(cts), audio1(extclk), sdio1(wp),
39 mpp16 16 gpio, uart3(rts), sdio0(cd), ac97(sdi1), lcd-spi(cs1)
[all …]
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| D | img,pistachio-pinctrl.txt | 7 configured as GPIOs. The 90 GPIOs are divided into 6 banks of up to 16 GPIOs
8 each. The GPIO banks are represented as sub-nodes of the pad controller node.
10 Please refer to pinctrl-bindings.txt, ../gpio/gpio.txt, and
11 ../interrupt-controller/interrupts.txt for generic information regarding
15 --------------------------------------------
16 - compatible: "img,pistachio-system-pinctrl".
17 - reg: Address range of the pinctrl registers.
19 Required properties for GPIO bank sub-nodes:
20 --------------------------------------------
21 - interrupts: Interrupt line for the GPIO bank.
[all …]
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| /Linux-v5.15/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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| /Linux-v5.15/arch/arm64/boot/dts/freescale/ |
| D | imx8mm-venice-gw7902.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/input/linux-event-codes.h>
10 #include <dt-bindings/leds/common.h>
11 #include <dt-bindings/net/ti-dp83867.h>
17 compatible = "gw,imx8mm-gw7902", "fsl,imx8mm";
25 stdout-path = &uart2;
34 compatible = "fixed-clock";
35 #clock-cells = <0>;
[all …]
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| D | imx8mm-venice-gw7901.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/input/linux-event-codes.h>
10 #include <dt-bindings/leds/common.h>
16 compatible = "gw,imx8mm-gw7901", "fsl,imx8mm";
29 stdout-path = &uart2;
37 gpio-keys {
38 compatible = "gpio-keys";
40 user-pb {
[all …]
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| /Linux-v5.15/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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| /Linux-v5.15/arch/arm64/boot/dts/allwinner/ |
| D | sun50i-a64-orangepi-win.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 // Copyright (C) 2017-2018 Samuel Holland <samuel@sholland.org>
5 /dts-v1/;
7 #include "sun50i-a64.dtsi"
8 #include "sun50i-a64-cpu-opp.dtsi"
10 #include <dt-bindings/gpio/gpio.h>
14 compatible = "xunlong,orangepi-win", "allwinner,sun50i-a64";
26 stdout-path = "serial0:115200n8";
29 hdmi-connector {
30 compatible = "hdmi-connector";
[all …]
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| /Linux-v5.15/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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| /Linux-v5.15/drivers/tty/serial/ |
| D | serial_mctrl_gpio.c | 1 // SPDX-License-Identifier: GPL-2.0+
32 { "cts", TIOCM_CTS, GPIOD_IN, },
45 void mctrl_gpio_set(struct mctrl_gpios *gpios, unsigned int mctrl) in mctrl_gpio_set() argument
52 if (gpios == NULL) in mctrl_gpio_set()
56 if (gpios->gpio[i] && mctrl_gpio_flags_is_dir_out(i)) { in mctrl_gpio_set()
57 desc_array[count] = gpios->gpio[i]; in mctrl_gpio_set()
66 struct gpio_desc *mctrl_gpio_to_gpiod(struct mctrl_gpios *gpios, in mctrl_gpio_to_gpiod() argument
69 if (gpios == NULL) in mctrl_gpio_to_gpiod()
72 return gpios->gpio[gidx]; in mctrl_gpio_to_gpiod()
76 unsigned int mctrl_gpio_get(struct mctrl_gpios *gpios, unsigned int *mctrl) in mctrl_gpio_get() argument
[all …]
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| D | pic32_uart.c | 1 // SPDX-License-Identifier: GPL-2.0+
8 * Sorin-Andrei Pistirica <andrei.pistirica@microchip.com>
27 #include <asm/mach-pic32/pic32.h>
31 #define PIC32_DEV_NAME "pic32-uart"
47 int ret = clk_prepare_enable(sport->clk); in pic32_enable_clock()
52 sport->ref_clk++; in pic32_enable_clock()
58 sport->ref_clk--; in pic32_disable_clock()
59 clk_disable_unprepare(sport->clk); in pic32_disable_clock()
85 /* get the state of CTS input pin for this port */
89 if (gpio_is_valid(sport->cts_gpio)) in get_cts_state()
[all …]
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| /Linux-v5.15/Documentation/devicetree/bindings/display/bridge/ |
| D | sii902x.txt | 4 - compatible: "sil,sii9022"
5 - reg: i2c address of the bridge
8 - interrupts: describe the interrupt line used to inform the host
10 - reset-gpios: OF device-tree gpio specification for RST_N pin.
11 - iovcc-supply: I/O Supply Voltage (1.8V or 3.3V)
12 - cvcc12-supply: Digital Core Supply Voltage (1.2V)
15 - #sound-dai-cells: <0> or <1>. <0> if only i2s or spdif pin
18 - sil,i2s-data-lanes: Array of up to 4 integers with values of 0-3
23 pins (SD0 - SD3). Any i2s pin can be connected to any fifo,
28 - clocks: phandle and clock specifier for each clock listed in
[all …]
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| /Linux-v5.15/arch/arm/mach-sa1100/ |
| D | h3xxx.c | 1 // SPDX-License-Identifier: GPL-2.0-only
16 #include <linux/platform_data/gpio-htc-egpio.h>
17 #include <linux/platform_data/sa11x0-serial.h>
37 .mask_flags = MTD_WRITEABLE, /* force read-only */
88 if (port->mapbase == _Ser3UTCR0) { in h3xxx_uart_pm()
105 int err = -EINVAL; in h3xxx_uart_set_wake()
107 if (port->mapbase == _Ser3UTCR0) { in h3xxx_uart_set_wake()
109 PWER |= PWER_GPIO23 | PWER_GPIO25; /* DCD and CTS */ in h3xxx_uart_set_wake()
111 PWER &= ~(PWER_GPIO23 | PWER_GPIO25); /* DCD and CTS */ in h3xxx_uart_set_wake()
123 .dev_id = "sa11x0-uart.3",
[all …]
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