| /kernel/linux/linux-5.10/drivers/tty/serial/ |
| D | serial_mctrl_gpio.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */
29 * Opaque descriptor for modem lines controlled by GPIOs
36 * Set state of the modem control output lines via GPIOs.
38 void mctrl_gpio_set(struct mctrl_gpios *gpios, unsigned int mctrl);
41 * Get state of the modem control input lines from GPIOs.
44 unsigned int mctrl_gpio_get(struct mctrl_gpios *gpios, unsigned int *mctrl);
47 * Get state of the modem control output lines from GPIOs.
51 mctrl_gpio_get_outputs(struct mctrl_gpios *gpios, unsigned int *mctrl);
56 struct gpio_desc *mctrl_gpio_to_gpiod(struct mctrl_gpios *gpios,
60 * Request and set direction of modem control line GPIOs and set up irq
[all …]
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| /kernel/linux/linux-6.6/drivers/tty/serial/ |
| D | serial_mctrl_gpio.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */
29 * Opaque descriptor for modem lines controlled by GPIOs
36 * Set state of the modem control output lines via GPIOs.
38 void mctrl_gpio_set(struct mctrl_gpios *gpios, unsigned int mctrl);
41 * Get state of the modem control input lines from GPIOs.
44 unsigned int mctrl_gpio_get(struct mctrl_gpios *gpios, unsigned int *mctrl);
47 * Get state of the modem control output lines from GPIOs.
51 mctrl_gpio_get_outputs(struct mctrl_gpios *gpios, unsigned int *mctrl);
56 struct gpio_desc *mctrl_gpio_to_gpiod(struct mctrl_gpios *gpios,
60 * Request and set direction of modem control line GPIOs and set up irq
[all …]
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| 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
[all …]
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| /kernel/linux/linux-6.6/sound/soc/ |
| D | soc-jack.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 // soc-jack.c -- ALSA SoC jack handling
21 * snd_soc_jack_report - Report the current status for a jack
40 if (!jack || !jack->jack) in snd_soc_jack_report()
44 dapm = &jack->card->dapm; in snd_soc_jack_report()
46 mutex_lock(&jack->mutex); in snd_soc_jack_report()
48 jack->status &= ~mask; in snd_soc_jack_report()
49 jack->status |= status & mask; in snd_soc_jack_report()
53 list_for_each_entry(pin, &jack->pins, list) { in snd_soc_jack_report()
54 int enable = pin->mask & jack->status; in snd_soc_jack_report()
[all …]
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| /kernel/linux/linux-5.10/sound/soc/ |
| D | soc-jack.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 // soc-jack.c -- ALSA SoC jack handling
23 struct snd_soc_jack_gpio *gpios; member
27 * snd_soc_jack_report - Report the current status for a jack
51 dapm = &jack->card->dapm; in snd_soc_jack_report()
53 mutex_lock(&jack->mutex); in snd_soc_jack_report()
55 jack->status &= ~mask; in snd_soc_jack_report()
56 jack->status |= status & mask; in snd_soc_jack_report()
60 list_for_each_entry(pin, &jack->pins, list) { in snd_soc_jack_report()
61 enable = pin->mask & jack->status; in snd_soc_jack_report()
[all …]
|
| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/serial/ |
| 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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| D | ingenic,uart.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Paul Cercueil <paul@crapouillou.net>
13 - $ref: /schemas/serial.yaml#
17 pattern: "^serial@[0-9a-f]+$"
21 - enum:
22 - ingenic,jz4740-uart
23 - ingenic,jz4760-uart
24 - ingenic,jz4780-uart
[all …]
|
| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/serial/ |
| 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 …]
|
| D | ingenic,uart.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Paul Cercueil <paul@crapouillou.net>
13 - $ref: serial.yaml#
17 pattern: "^serial@[0-9a-f]+$"
21 - enum:
22 - ingenic,jz4740-uart
23 - ingenic,jz4750-uart
24 - ingenic,jz4760-uart
[all …]
|
| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/soc/tegra/ |
| D | nvidia,nvec.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
26 - description: divider clock
27 - description: fast clock
29 clock-names:
32 - const: div-clk
33 - const: fast-clk
[all …]
|
| /kernel/linux/linux-5.10/Documentation/driver-api/gpio/ |
| D | board.rst | 5 This document explains how GPIOs can be assigned to given devices and functions.
7 Note that it only applies to the new descriptor-based interface. For a
8 description of the deprecated integer-based GPIO interface please refer to
9 gpio-legacy.txt (actually, there is no real mapping possible with the old
10 interface; you just fetch an integer from somewhere and request the
15 Kconfig. Then, how GPIOs are mapped depends on what the platform uses to
20 -----------
21 GPIOs can easily be mapped to devices and functions in the device tree. The
22 exact way to do it depends on the GPIO controller providing the GPIOs, see the
25 GPIOs mappings are defined in the consumer device's node, in a property named
[all …]
|
| D | legacy.rst | 13 A "General Purpose Input/Output" (GPIO) is a flexible software-controlled
18 which GPIOs. Drivers can be written generically, so that board setup code
21 System-on-Chip (SOC) processors heavily rely on GPIOs. In some cases, every
22 non-dedicated pin can be configured as a GPIO; and most chips have at least
24 provide GPIOs; multifunction chips like power managers, and audio codecs
27 Most PC southbridges have a few dozen GPIO-capable pins (with only the BIOS
30 The exact capabilities of GPIOs vary between systems. Common options:
32 - Output values are writable (high=1, low=0). Some chips also have
34 value might be driven ... supporting "wire-OR" and similar schemes
37 - Input values are likewise readable (1, 0). Some chips support readback
[all …]
|
| /kernel/linux/linux-6.6/Documentation/driver-api/gpio/ |
| D | board.rst | 5 This document explains how GPIOs can be assigned to given devices and functions.
7 Note that it only applies to the new descriptor-based interface. For a
8 description of the deprecated integer-based GPIO interface please refer to
10 interface; you just fetch an integer from somewhere and request the
15 Kconfig. Then, how GPIOs are mapped depends on what the platform uses to
20 -----------
21 GPIOs can easily be mapped to devices and functions in the device tree. The
22 exact way to do it depends on the GPIO controller providing the GPIOs, see the
25 GPIOs mappings are defined in the consumer device's node, in a property named
26 <function>-gpios, where <function> is the function the driver will request
[all …]
|
| D | legacy.rst | 13 A "General Purpose Input/Output" (GPIO) is a flexible software-controlled
18 which GPIOs. Drivers can be written generically, so that board setup code
21 System-on-Chip (SOC) processors heavily rely on GPIOs. In some cases, every
22 non-dedicated pin can be configured as a GPIO; and most chips have at least
24 provide GPIOs; multifunction chips like power managers, and audio codecs
27 Most PC southbridges have a few dozen GPIO-capable pins (with only the BIOS
30 The exact capabilities of GPIOs vary between systems. Common options:
32 - Output values are writable (high=1, low=0). Some chips also have
34 value might be driven ... supporting "wire-OR" and similar schemes
37 - Input values are likewise readable (1, 0). Some chips support readback
[all …]
|
| /kernel/linux/linux-6.6/drivers/gpio/ |
| D | gpiolib-legacy.c | 1 // SPDX-License-Identifier: GPL-2.0
16 * gpio_request_one - request a single GPIO with initial configuration
28 /* Compatibility: assume unavailable "valid" GPIOs will appear later */ in gpio_request_one()
30 return -EPROBE_DEFER; in gpio_request_one()
37 set_bit(FLAG_ACTIVE_LOW, &desc->flags); in gpio_request_one()
60 /* Compatibility: assume unavailable "valid" GPIOs will appear later */ in gpio_request()
62 return -EPROBE_DEFER; in gpio_request()
69 * gpio_request_array - request multiple GPIOs in a single call
71 * @num: how many GPIOs in the array
78 err = gpio_request_one(array->gpio, array->flags, array->label); in gpio_request_array()
[all …]
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| /kernel/linux/linux-5.10/drivers/gpio/ |
| D | gpiolib-legacy.c | 1 // SPDX-License-Identifier: GPL-2.0
16 * gpio_request_one - request a single GPIO with initial configuration
28 /* Compatibility: assume unavailable "valid" GPIOs will appear later */ in gpio_request_one()
30 return -EPROBE_DEFER; in gpio_request_one()
37 set_bit(FLAG_OPEN_DRAIN, &desc->flags); in gpio_request_one()
40 set_bit(FLAG_OPEN_SOURCE, &desc->flags); in gpio_request_one()
43 set_bit(FLAG_ACTIVE_LOW, &desc->flags); in gpio_request_one()
72 /* Compatibility: assume unavailable "valid" GPIOs will appear later */ in gpio_request()
74 return -EPROBE_DEFER; in gpio_request()
81 * gpio_request_array - request multiple GPIOs in a single call
[all …]
|
| /kernel/linux/linux-5.10/drivers/power/supply/ |
| D | max8903_charger.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * max8903_charger.c - Maxim 8903 USB/Adapter Charger Driver
44 val->intval = POWER_SUPPLY_STATUS_UNKNOWN; in max8903_get_property()
45 if (gpio_is_valid(data->pdata->chg)) { in max8903_get_property()
46 if (gpio_get_value(data->pdata->chg) == 0) in max8903_get_property()
47 val->intval = POWER_SUPPLY_STATUS_CHARGING; in max8903_get_property()
48 else if (data->usb_in || data->ta_in) in max8903_get_property()
49 val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING; in max8903_get_property()
51 val->intval = POWER_SUPPLY_STATUS_DISCHARGING; in max8903_get_property()
55 val->intval = 0; in max8903_get_property()
[all …]
|
| /kernel/linux/linux-6.6/drivers/staging/olpc_dcon/ |
| D | olpc_dcon_xo_1.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright © 2006-2007 Red Hat, Inc.
6 * Copyright © 2006-2007 Advanced Micro Devices, Inc.
37 static struct gpio_desc *gpios[5]; variable
46 gpios[i] = devm_gpiod_get(&dcon->client->dev, pin[i].name, in dcon_init_xo_1()
48 if (IS_ERR(gpios[i])) { in dcon_init_xo_1()
49 ret = PTR_ERR(gpios[i]); in dcon_init_xo_1()
50 pr_err("failed to request %s GPIO: %d\n", pin[i].name, in dcon_init_xo_1()
69 dcon->curr_src = cs5535_gpio_isset(OLPC_GPIO_DCON_LOAD, GPIO_OUTPUT_VAL) in dcon_init_xo_1()
72 dcon->pending_src = dcon->curr_src; in dcon_init_xo_1()
[all …]
|
| /kernel/linux/linux-5.10/drivers/staging/olpc_dcon/ |
| D | olpc_dcon_xo_1.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright © 2006-2007 Red Hat, Inc.
6 * Copyright © 2006-2007 Advanced Micro Devices, Inc.
37 static struct gpio_desc *gpios[5]; variable
46 gpios[i] = devm_gpiod_get(&dcon->client->dev, pin[i].name, in dcon_init_xo_1()
48 if (IS_ERR(gpios[i])) { in dcon_init_xo_1()
49 ret = PTR_ERR(gpios[i]); in dcon_init_xo_1()
50 pr_err("failed to request %s GPIO: %d\n", pin[i].name, in dcon_init_xo_1()
69 dcon->curr_src = cs5535_gpio_isset(OLPC_GPIO_DCON_LOAD, GPIO_OUTPUT_VAL) in dcon_init_xo_1()
72 dcon->pending_src = dcon->curr_src; in dcon_init_xo_1()
[all …]
|
| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/net/ |
| D | fsl-fec.txt | 4 - compatible : Should be "fsl,<soc>-fec"
5 - reg : Address and length of the register set for the device
6 - interrupts : Should contain fec interrupt
7 - phy-mode : See ethernet.txt file in the same directory
10 - phy-supply : regulator that powers the Ethernet PHY.
11 - phy-handle : phandle to the PHY device connected to this device.
12 - fixed-link : Assume a fixed link. See fixed-link.txt in the same directory.
13 Use instead of phy-handle.
14 - fsl,num-tx-queues : The property is valid for enet-avb IP, which supports
17 - fsl,num-rx-queues : The property is valid for enet-avb IP, which supports
[all …]
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| /kernel/linux/linux-5.10/drivers/extcon/ |
| D | extcon-intel-int3496.c | 1 // SPDX-License-Identifier: GPL-2.0
14 #include <linux/extcon-provider.h>
49 { "id-gpios", &id_gpios, 1, ACPI_GPIO_QUIRK_NO_IO_RESTRICTION },
50 { "vbus-gpios", &vbus_gpios, 1 },
51 { "mux-gpios", &mux_gpios, 1 },
59 int id = gpiod_get_value_cansleep(data->gpio_usb_id); in int3496_do_usb_id()
62 dev_dbg(data->dev, "Connected %s cable\n", id ? "PERIPHERAL" : "HOST"); in int3496_do_usb_id()
68 if (!IS_ERR(data->gpio_usb_mux)) in int3496_do_usb_id()
69 gpiod_direction_output(data->gpio_usb_mux, id); in int3496_do_usb_id()
71 if (!IS_ERR(data->gpio_vbus_en)) in int3496_do_usb_id()
[all …]
|
| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/sound/ |
| D | davinci-mcasp-audio.txt | 4 - compatible :
5 "ti,dm646x-mcasp-audio" : for DM646x platforms
6 "ti,da830-mcasp-audio" : for both DA830 & DA850 platforms
7 "ti,am33xx-mcasp-audio" : for AM33xx platforms (AM33xx, AM43xx, TI81xx)
8 "ti,dra7-mcasp-audio" : for DRA7xx platforms
10 - reg : Should contain reg specifiers for the entries in the reg-names property.
11 - reg-names : Should contain:
15 - op-mode : I2S/DIT ops mode. 0 for I2S mode. 1 for DIT mode used for S/PDIF,
16 IEC60958-1, and AES-3 formats.
17 - tdm-slots : Slots for TDM operation. Indicates number of channels transmitted
[all …]
|
| /kernel/linux/linux-6.6/drivers/bus/ |
| D | ts-nbus.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * NBUS driver for TS-4600 based boards
5 * Copyright (c) 2016 - Savoir-faire Linux
8 * This driver implements a GPIOs bit-banged bus, called the NBUS by Technologic
10 * TS-4600 SoM.
21 #include <linux/ts-nbus.h>
40 * request all gpios required by the bus.
45 ts_nbus->data = devm_gpiod_get_array(&pdev->dev, "ts,data", in ts_nbus_init_pdata()
47 if (IS_ERR(ts_nbus->data)) { in ts_nbus_init_pdata()
48 dev_err(&pdev->dev, "failed to retrieve ts,data-gpio from dts\n"); in ts_nbus_init_pdata()
[all …]
|
| /kernel/linux/linux-5.10/drivers/bus/ |
| D | ts-nbus.c | 2 * NBUS driver for TS-4600 based boards
4 * Copyright (c) 2016 - Savoir-faire Linux
11 * This driver implements a GPIOs bit-banged bus, called the NBUS by Technologic
13 * TS-4600 SoM.
24 #include <linux/ts-nbus.h>
43 * request all gpios required by the bus.
48 ts_nbus->data = devm_gpiod_get_array(&pdev->dev, "ts,data", in ts_nbus_init_pdata()
50 if (IS_ERR(ts_nbus->data)) { in ts_nbus_init_pdata()
51 dev_err(&pdev->dev, "failed to retrieve ts,data-gpio from dts\n"); in ts_nbus_init_pdata()
52 return PTR_ERR(ts_nbus->data); in ts_nbus_init_pdata()
[all …]
|
| /kernel/linux/linux-6.6/drivers/extcon/ |
| D | extcon-intel-int3496.c | 1 // SPDX-License-Identifier: GPL-2.0
14 #include <linux/devm-helpers.h>
15 #include <linux/extcon-provider.h>
53 { "id-gpios", &id_gpios, 1, ACPI_GPIO_QUIRK_NO_IO_RESTRICTION },
54 { "vbus-gpios", &vbus_gpios, 1 },
55 { "mux-gpios", &mux_gpios, 1 },
63 if (IS_ERR_OR_NULL(data->vbus_boost)) in int3496_set_vbus_boost()
66 if (data->vbus_boost_enabled == enable) in int3496_set_vbus_boost()
70 ret = regulator_enable(data->vbus_boost); in int3496_set_vbus_boost()
72 ret = regulator_disable(data->vbus_boost); in int3496_set_vbus_boost()
[all …]
|