| /linux/arch/arm64/boot/dts/microchip/ |
| H A D | sparx5_pcb134_board.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
10 gpio-restart {
11 compatible = "gpio-restart";
12 gpios = <&gpio 37 GPIO_ACTIVE_LOW>;
16 i2c0_imux: i2c-mux-0 {
17 compatible = "i2c-mux-pinctrl";
18 #address-cells = <1>;
19 #size-cells = <0>;
20 i2c-parent = <&i2c0>;
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| /linux/drivers/tty/serial/ |
| H A D | serial_mctrl_gpio.c | 1 // SPDX-License-Identifier: GPL-2.0+
46 * mctrl_gpio_set - set gpios according to mctrl state
47 * @gpios: gpios to set
50 * Set the gpios according to the mctrl state.
52 void mctrl_gpio_set(struct mctrl_gpios *gpios, unsigned int mctrl) in mctrl_gpio_set() argument
59 if (gpios == NULL) in mctrl_gpio_set()
63 if (gpios->gpio[i] && mctrl_gpio_flags_is_dir_out(i)) { in mctrl_gpio_set()
64 desc_array[count] = gpios->gpio[i]; in mctrl_gpio_set()
74 * mctrl_gpio_to_gpiod - obtain gpio_desc of modem line index
75 * @gpios: gpios to look into
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| /linux/Documentation/devicetree/bindings/power/supply/ |
| H A D | gpio-charger.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/gpio-charger.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: simple battery chargers only communicating through GPIOs
10 - Sebastian Reichel <sre@kernel.org>
14 autonomously, only providing some status GPIOs and possibly some
15 GPIOs for limited control over the charging process.
19 const: gpio-charger
21 charger-type:
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| /linux/drivers/gpio/ |
| H A D | gpiolib-of.c | 1 // SPDX-License-Identifier: GPL-2.0+
5 * Copyright (c) 2007-2008 MontaVista Software, Inc.
26 #include "gpiolib-of.h"
29 * This is Linux-specific flags. By default controllers' and Linux' mapping
31 * Linux-specific in their .xlate callback. Though, 1:1 mapping is recommended.
44 * of_gpio_named_count() - Count GPIOs for a device
45 * @np: device node to count GPIOs for
48 * The function returns the count of GPIOs specified for a node.
52 * Either number of GPIOs defined in the property, or
53 * * %-EINVAL for an incorrectly formed "gpios" property, or
[all …]
|
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
18 int "Maximum number of GPIOs for fast path"
47 this symbol, but new drivers should use the generic gpio-regmap
55 These checks help ensure that GPIOs have been properly initialized
57 non-sleeping contexts. They can make bitbanged serial protocols
66 Say Y here to add the legacy sysfs interface for GPIOs.
77 for GPIOs. The character device allows userspace to control GPIOs
114 # put drivers in the right section, in alphabetical order
126 Enables support for the idio-16 library functions. The idio-16 library
128 ACCES IDIO-16 family such as the 104-IDIO-16 and the PCI-IDIO-16.
[all …]
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| /linux/Documentation/devicetree/bindings/usb/ |
| H A D | brcm,usb-pinmap.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/usb/brcm,usb-pinmap.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Al Cooper <alcooperx@gmail.com>
15 - const: brcm,usb-pinmap
22 description: Interrupt for signals mirrored to out-gpios.
24 in-gpios:
29 brcm,in-functions:
30 $ref: /schemas/types.yaml#/definitions/string-array
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|
| /linux/Documentation/driver-api/gpio/ |
| H A D | board.rst | 5 This document explains how GPIOs can be assigned to given devices and functions.
9 Kconfig. Then, how GPIOs are mapped depends on what the platform uses to
14 -----------
15 GPIOs can easily be mapped to devices and functions in the device tree. The
16 exact way to do it depends on the GPIO controller providing the GPIOs, see the
19 GPIOs mappings are defined in the consumer device's node, in a property named
20 <function>-gpios, where <function> is the function the driver will request
26 led-gpios = <&gpio 15 GPIO_ACTIVE_HIGH>, /* red */
30 power-gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
33 Properties named <function>-gpio are also considered valid and old bindings use
[all …]
|
| H A D | consumer.rst | 8 Guidelines for GPIOs consumers
13 obtain and use GPIOs are available by including the following file::
17 There are static inline stubs for all functions in the header file in the case
21 - Simple compile coverage with e.g. COMPILE_TEST - it does not matter that
25 - Truly optional GPIOLIB support - where the driver does not really make use
26 of the GPIOs on certain compile-time configurations for certain systems, but
27 will use it under other compile-time configurations. In this case the
31 ``[devm_]gpiod_get_optional()`` is a *bad idea*, and will result in weird
35 All the functions that work with the descriptor-based GPIO interface are
37 interface. No other function in the kernel should use these prefixes. The use
[all …]
|
| /linux/sound/soc/ |
| H A D | soc-jack.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 // soc-jack.c -- ALSA SoC jack handling
20 * snd_soc_jack_report - Report the current status for a jack
39 if (!jack || !jack->jack) in snd_soc_jack_report()
43 dapm = &jack->card->dapm; in snd_soc_jack_report()
45 mutex_lock(&jack->mutex); in snd_soc_jack_report()
47 jack->status &= ~mask; in snd_soc_jack_report()
48 jack->status |= status & mask; in snd_soc_jack_report()
52 list_for_each_entry(pin, &jack->pins, list) { in snd_soc_jack_report()
53 int enable = pin->mask & jack->status; in snd_soc_jack_report()
[all …]
|
| /linux/Documentation/devicetree/bindings/gpio/ |
| H A D | gpio-max3191x.txt | 4 - compatible: Must be one of:
11 - reg: Chip select number.
12 - gpio-controller: Marks the device node as a GPIO controller.
13 - #gpio-cells: Should be two. For consumer use see gpio.txt.
16 - #daisy-chained-devices:
17 Number of chips in the daisy-chain (default is 1).
18 - maxim,modesel-gpios: GPIO pins to configure modesel of each chip.
19 The number of GPIOs must equal "#daisy-chained-devices"
22 - maxim,fault-gpios: GPIO pins to read fault of each chip.
23 The number of GPIOs must equal "#daisy-chained-devices"
[all …]
|
| H A D | gpio.txt | 4 1) gpios property
5 -----------------
7 GPIO properties should be named "[<name>-]gpios", with <name> being the purpose
8 of this GPIO for the device. While a non-existent <name> is considered valid
9 for compatibility reasons (resolving to the "gpios" property), it is not allowed
10 for new bindings. Also, GPIO properties named "[<name>-]gpio" are valid and old
14 GPIO properties can contain one or more GPIO phandles, but only in exceptional
15 cases should they contain more than one. If your device uses several GPIOs with
17 meaningful name. The only case where an array of GPIOs is accepted is when
18 several GPIOs serve the same function (e.g. a parallel data line).
[all …]
|
| /linux/Documentation/devicetree/bindings/auxdisplay/ |
| H A D | hit,hd44780.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Geert Uytterhoeven <geert@linux-m68k.org>
15 interface, which can be used in either 4-bit or 8-bit mode. By using a
24 data-gpios:
26 GPIO pins connected to the data signal lines DB0-DB7 (8-bit mode) or
27 DB4-DB7 (4-bit mode) of the LCD Controller's bus interface.
29 - maxItems: 4
30 - maxItems: 8
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|
| /linux/arch/arm/boot/dts/allwinner/ |
| H A D | sun4i-a10-inet9f-rev03.dts | 4 * This file is dual-licensed: you can use it either under the terms
14 * This file is distributed in the hope that it will be useful,
23 * files (the "Software"), to deal in the Software without
31 * included in all copies or substantial portions of the Software.
36 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
38 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
39 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
40 * OTHER DEALINGS IN THE SOFTWARE.
43 /dts-v1/;
44 #include "sun4i-a10.dtsi"
[all …]
|
| H A D | sun5i-a13-utoo-p66.dts | 4 * This file is dual-licensed: you can use it either under the terms
14 * This file is distributed in the hope that it will be useful,
23 * files (the "Software"), to deal in the Software without
31 * included in all copies or substantial portions of the Software.
36 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
38 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
39 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
40 * OTHER DEALINGS IN THE SOFTWARE.
43 /dts-v1/;
44 #include "sun5i-a13.dtsi"
[all …]
|
| /linux/Documentation/devicetree/bindings/display/panel/ |
| H A D | sharp,ls037v7dw01.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: SHARP LS037V7DW01 TFT-LCD panel
10 This panel can have zero to five GPIOs to configure to change configuration
12 configured with external pulls, all the GPIOs are considered optional with holes
13 in the array.
16 - Tony Lindgren <tony@atomide.com>
19 - $ref: panel-common.yaml#
26 enable-gpios: true
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|
| /linux/Documentation/devicetree/bindings/iio/resolver/ |
| H A D | adi,ad2s1210.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Analog Devices AD2S1210 Resolver-to-Digital Converter
10 - Michael Hennerich <michael.hennerich@analog.com>
13 The AD2S1210 is a complete 10-bit to 16-bit resolution tracking
14 resolver-to-digital converter, integrating an on-board programmable
23 selected by the A0 and A1 input pins. In normal mode, data is latched by
24 toggling the SAMPLE line and can then be read directly. In configuration mode,
29 0 0 Normal mode - position output
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|
| /linux/arch/arm/boot/dts/marvell/ |
| H A D | orion5x-linkstation-lschl.dts | 2 * Device Tree file for Buffalo Linkstation LS-CHLv3
5 * Copyright (C) 2015-2017
8 * This file is dual-licensed: you can use it either under the terms
18 * This file is distributed in the hope that it will be useful,
27 * files (the "Software"), to deal in the Software without
35 * included in all copies or substantial portions of the Software.
40 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
42 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
43 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
44 * OTHER DEALINGS IN THE SOFTWARE.
[all …]
|
| H A D | orion5x-linkstation-lswtgl.dts | 2 * Device Tree file for Buffalo Linkstation LS-WTGL
7 * This file is dual-licensed: you can use it either under the terms
17 * This file is distributed in the hope that it will be useful,
26 * files (the "Software"), to deal in the Software without
34 * included in all copies or substantial portions of the Software.
39 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
41 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
42 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
43 * OTHER DEALINGS IN THE SOFTWARE.
46 /dts-v1/;
[all …]
|
| /linux/Documentation/devicetree/bindings/fpga/ |
| H A D | xlnx,fpga-slave-serial.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/fpga/xlnx,fpga-slave-serial.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Nava kishore Manne <nava.kishore.manne@amd.com>
13 Xilinx Spartan-6 and 7 Series FPGAs support a method of loading the bitstream
15 not technically SPI, and might require extra circuits in order to play nicely
21 https://www.xilinx.com/support/documentation/application_notes/xapp583-fpga-configuration.pdf
24 - $ref: /schemas/spi/spi-peripheral-props.yaml#
29 - xlnx,fpga-slave-serial
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|
| /linux/arch/arm/boot/dts/broadcom/ |
| H A D | bcm4709-netgear-r8000.dts | 9 * copyright notice and this permission notice appear in all copies.
13 * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
15 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
16 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
20 /dts-v1/;
23 #include "bcm5301x-nand-cs0-bch8.dtsi"
40 compatible = "gpio-leds";
42 led-power-white {
44 gpios = <&chipcommon 2 GPIO_ACTIVE_LOW>;
45 linux,default-trigger = "default-on";
[all …]
|
| H A D | bcm47094-dlink-dir-890l.dts | 1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
3 * Device tree for D-Link DIR-890L
4 * D-Link calls this board "WRGAC36"
5 * this router has the same looks and form factor as D-Link DIR-885L.
7 * Some differences from DIR-885L include a separate USB2 port, separate LEDs
10 * PCB) so this device is a pure router. Also the LAN ports are in the right
13 * Based on the device tree for DIR-885L
18 /dts-v1/;
21 #include "bcm5301x-nand-cs0-bch1.dtsi"
24 compatible = "dlink,dir-890l", "brcm,bcm47094", "brcm,bcm4708";
[all …]
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| /linux/arch/arm64/boot/dts/rockchip/ |
| H A D | rk3566-powkiddy-rk2023.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 /dts-v1/;
5 #include <dt-bindings/gpio/gpio.h>
6 #include <dt-bindings/input/linux-event-codes.h>
7 #include <dt-bindings/leds/common.h>
8 #include <dt-bindings/pinctrl/rockchip.h>
9 #include <dt-bindings/soc/rockchip,vop2.h>
13 chassis-type = "handset";
21 adc-joystick {
22 compatible = "adc-joystick";
[all …]
|
| /linux/arch/arm64/boot/dts/freescale/ |
| H A D | fsl-ls1088a-ten64.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
4 * Based on fsl-ls1088a-rdb.dts
5 * Copyright 2017-2020 NXP
6 * Copyright 2019-2021 Traverse Technologies
11 /dts-v1/;
13 #include "fsl-ls1088a.dtsi"
15 #include <dt-bindings/gpio/gpio.h>
16 #include <dt-bindings/input/input.h>
28 stdout-path = "serial0:115200n8";
32 compatible = "gpio-keys";
[all …]
|
| /linux/arch/arm64/boot/dts/amlogic/ |
| H A D | meson-g12b-odroid-go-ultra.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
8 #include "meson-g12b-s922x.dtsi"
9 #include <dt-bindings/input/input.h>
10 #include <dt-bindings/leds/common.h>
11 #include <dt-bindings/gpio/meson-g12a-gpio.h>
12 #include <dt-bindings/sound/meson-g12a-toacodec.h>
13 #include <dt-bindings/sound/meson-g12a-tohdmitx.h>
16 compatible = "hardkernel,odroid-go-ultra", "amlogic,s922x", "amlogic,g12b";
17 model = "Hardkernel ODROID-GO-Ultra";
[all …]
|
| /linux/Documentation/devicetree/bindings/net/bluetooth/ |
| H A D | brcm,bluetooth.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Linus Walleij <linus.walleij@linaro.org>
13 This binding describes Broadcom UART-attached bluetooth chips.
18 - items:
19 - enum:
20 - infineon,cyw43439-bt
21 - const: brcm,bcm4329-bt
22 - enum:
[all …]
|