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/Linux-v5.10/arch/arm/boot/dts/
Dam335x-netcom-plus-2xx.dts1 // 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 = <
27 AM33XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_OUTPUT_PULLDOWN, MUX_MODE7) /* DTR */
35 pinctrl-single,pins = <
40 AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_OUTPUT_PULLDOWN, MUX_MODE7) /* DTR */
58 pinctrl-names = "default";
[all …]
Dam335x-baltos-ir3220.dts1 // 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 = <
28 pinctrl-single,pins = <
33 …XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_OUTPUT_PULLDOWN, MUX_MODE7) /* lcd_vsync.gpio2[22] DTR */
41 pinctrl-single,pins = <
46 …XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_OUTPUT_PULLDOWN, MUX_MODE7) /* gpmc_ad12.gpio1[12] DTR */
[all …]
Dam335x-baltos-ir5221.dts1 // 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 = <
29 pinctrl-single,pins = <
36 pinctrl-single,pins = <
41 …XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_OUTPUT_PULLDOWN, MUX_MODE7) /* lcd_vsync.gpio2[22] DTR */
49 pinctrl-single,pins = <
[all …]
Dimx6dl-eckelmann-ci4x10.dts1 // 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 …]
Dam335x-baltos-ir2110.dts1 // 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 = <
27 …XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_OUTPUT_PULLDOWN, MUX_MODE7) /* lcd_vsync.gpio2[22] DTR */
35 pinctrl-single,pins = <
42 pinctrl-names = "default";
43 pinctrl-0 = <&uart1_pins>;
[all …]
Dat91-wb50n.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 * at91-wb50n.dtsi - Device Tree include file for wb50n cpu module
12 model = "Laird Workgroup Bridge 50N - Atmel SAMA5D";
17 stdout-path = "serial0:115200n8";
38 clock-frequency = <32768>;
42 clock-frequency = <12000000>;
46 atmel,osc-bypass;
50 pinctrl-names = "default";
51 pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0 &pinctrl_mmc0_dat1_3 &pinctrl_mmc0_cd>;
52 cd-gpios = <&pioC 26 GPIO_ACTIVE_LOW>;
[all …]
Dimx6q-dhcom-som.dtsi1 // SPDX-License-Identifier: (GPL-2.0+)
8 #include <dt-bindings/pwm/pwm.h>
9 #include <dt-bindings/gpio/gpio.h>
10 #include <dt-bindings/clock/imx6qdl-clock.h>
11 #include <dt-bindings/input/input.h>
26 reg_usb_otg_vbus: regulator-usb-otg-vbus {
27 compatible = "regulator-fixed";
28 regulator-name = "usb_otg_vbus";
29 regulator-min-microvolt = <5000000>;
30 regulator-max-microvolt = <5000000>;
[all …]
Dgemini-dlink-dir-685.dts2 * Device Tree file for D-Link DIR-685 Xtreme N Storage Router
5 /dts-v1/;
8 #include <dt-bindings/input/input.h>
11 model = "D-Link DIR-685 Xtreme N Storage Router";
12 compatible = "dlink,dir-685", "cortina,gemini";
13 #address-cells = <1>;
14 #size-cells = <1>;
17 /* 128 MB SDRAM in 2 x Hynix HY5DU121622DTP-D43 */
24 stdout-path = "uart0:19200n8";
28 compatible = "gpio-keys";
[all …]
Dvf610-zii-dev.dtsi4 * Based on an original 'vf610-twr.dts' which is Copyright 2015,
7 * This file is dual-licensed: you can use it either under the terms
49 stdout-path = "serial0:115200n8";
57 gpio-leds {
58 compatible = "gpio-leds";
59 pinctrl-0 = <&pinctrl_leds_debug>;
60 pinctrl-names = "default";
64 gpios = <&gpio2 10 GPIO_ACTIVE_HIGH>;
65 linux,default-trigger = "heartbeat";
69 reg_vcc_3v3_mcu: regulator-vcc-3v3-mcu {
[all …]
Dimx6ull-colibri.dtsi1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
15 compatible = "pwm-backlight";
16 pinctrl-names = "default";
17 pinctrl-0 = <&pinctrl_gpio_bl_on>;
18 enable-gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>;
22 reg_module_3v3: regulator-module-3v3 {
23 compatible = "regulator-fixed";
24 regulator-always-on;
25 regulator-name = "+V3.3";
26 regulator-min-microvolt = <3300000>;
[all …]
Dimx6qdl-apalis.dtsi1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
3 * Copyright 2014-2020 Toradex
8 #include <dt-bindings/gpio/gpio.h>
21 compatible = "pwm-backlight";
22 pinctrl-names = "default";
23 pinctrl-0 = <&pinctrl_gpio_bl_on>;
25 enable-gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>;
29 reg_module_3v3: regulator-module-3v3 {
30 compatible = "regulator-fixed";
31 regulator-name = "+V3.3";
[all …]
Dimx6qdl-colibri.dtsi1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
3 * Copyright 2014-2020 Toradex
8 #include <dt-bindings/gpio/gpio.h>
15 compatible = "pwm-backlight";
16 pinctrl-names = "default";
17 pinctrl-0 = <&pinctrl_gpio_bl_on>;
19 enable-gpios = <&gpio3 26 GPIO_ACTIVE_HIGH>; /* Colibri BL_ON */
23 reg_module_3v3: regulator-module-3v3 {
24 compatible = "regulator-fixed";
25 regulator-name = "+V3.3";
[all …]
Dimx7-colibri.dtsi1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
3 * Copyright 2016-2020 Toradex
8 compatible = "pwm-backlight";
9 pinctrl-names = "default";
10 pinctrl-0 = <&pinctrl_gpio_bl_on>;
12 enable-gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
15 reg_module_3v3: regulator-module-3v3 {
16 compatible = "regulator-fixed";
17 regulator-name = "+V3.3";
18 regulator-min-microvolt = <3300000>;
[all …]
/Linux-v5.10/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 …]
/Linux-v5.10/Documentation/devicetree/bindings/serial/
Dcirrus,clps711x-uart.txt4 - 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>;
Dserial.yaml1 # 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 …]
D8250.yaml3 ---
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 …]
Dfsl-mxs-auart.yaml1 # 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 …]
/Linux-v5.10/Documentation/devicetree/bindings/soc/fsl/cpm_qe/
Dserial.txt4 - 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 …]
/Linux-v5.10/Documentation/driver-api/serial/
Ddriver.rst10 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 …]
/Linux-v5.10/drivers/tty/serial/
Dserial_mctrl_gpio.c1 // SPDX-License-Identifier: GPL-2.0+
37 { "dtr", TIOCM_DTR, GPIOD_OUT_LOW, },
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 …]
Dmxs-auart.c1 // SPDX-License-Identifier: GPL-2.0+
9 * Copyright 2014 Oleksij Rempel <linux@rempel-privat.de>
11 * Copyright 2008-2010 Freescale Semiconductor, Inc.
34 #include <linux/dma-mapping.h>
140 * RW. Receive Timeout Counter Value: number of 8-bit-time to wait before
142 * input is idle, then the watchdog counter will decrement each bit-time. Note
143 * 7-bit-time is added to the programmed value, so a value of zero will set
144 * the counter to 7-bit-time, a value of 0x1 gives 15-bit-time and so on. Also
148 * value is 0x3 (31 bit-time).
177 /* RW. Set DTR. When this bit is 1, the output is 0. */
[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>
96 #define UCR3_DTREN (1<<13) /* DTR interrupt enable */
125 #define UFCR_RFDIV_REG(x) (((x) < 7 ? 6 - (x) : 6) << 7)
135 #define USR1_DTRD (1<<7) /* DTR Delta */
141 #define USR2_DTRF (1<<13) /* DTR edge interrupt flag */
161 /* We've been assigned a range on the "Low-density serial ports" major */
174 #define DRIVER_NAME "IMX-uart"
[all …]
Dserial_core.c1 // SPDX-License-Identifier: GPL-2.0+
8 * Copyright (C) 2000-2001 Deep Blue Solutions Ltd.
38 * lockdep: port->lock is initialized in two places, but we
39 * want only one lock-class:
43 #define HIGH_BITS_OFFSET ((sizeof(long)-sizeof(int))*8)
55 return !!(uport->status & UPSTAT_DCD_ENABLE); in uart_dcd_enabled()
60 if (atomic_add_unless(&state->refcount, 1, 0)) in uart_port_ref()
61 return state->uart_port; in uart_port_ref()
67 if (atomic_dec_and_test(&uport->state->refcount)) in uart_port_deref()
68 wake_up(&uport->state->remove_wait); in uart_port_deref()
[all …]
/Linux-v5.10/drivers/pinctrl/nomadik/
Dpinctrl-nomadik-stn8815.c1 // SPDX-License-Identifier: GPL-2.0
4 #include "pinctrl-nomadik.h"
133 /* GPIOs 124-127 not routed to pins */
277 /* Modem pins: DCD, DSR, RI, DTR */
294 /* Full-speed and high-speed USB pins */

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