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/linux/sound/soc/
H A Dsoc-jack.c1 // 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 = snd_soc_card_to_dapm(jack->card); in snd_soc_jack_report()
45 mutex_lock(&jack->mute in snd_soc_jack_report()
206 struct snd_soc_jack_gpio *gpios; global() member
279 jack_free_gpios(struct snd_soc_jack * jack,int count,struct snd_soc_jack_gpio * gpios) jack_free_gpios() argument
311 snd_soc_jack_add_gpios(struct snd_soc_jack * jack,int count,struct snd_soc_jack_gpio * gpios) snd_soc_jack_add_gpios() argument
412 snd_soc_jack_add_gpiods(struct device * gpiod_dev,struct snd_soc_jack * jack,int count,struct snd_soc_jack_gpio * gpios) snd_soc_jack_add_gpiods() argument
433 snd_soc_jack_free_gpios(struct snd_soc_jack * jack,int count,struct snd_soc_jack_gpio * gpios) snd_soc_jack_free_gpios() argument
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/linux/Documentation/devicetree/bindings/serial/
H A 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 <festevam@gmail.com>
13 - $ref: serial.yaml#
18 - const: fsl,imx23-auart
19 - const: alphascale,asm9260-auart
20 - items:
21 - enum:
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H A Dingenic,uart.yaml1 # 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
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/linux/Documentation/devicetree/bindings/soc/tegra/
H A Dnvidia,nvec.yaml1 # 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
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/linux/drivers/extcon/
H A Dextcon-intel-int3496.c1 // 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 …]
/linux/drivers/watchdog/
H A Dmena21_wdt.c1 // SPDX-License-Identifier: GPL-2.0+
34 struct gpio_desc *gpios[NUM_GPIOS]; member
46 reset |= gpiod_get_value(drv->gpios[GPIO_WD_RST0]) ? (1 << 0) : 0; in a21_wdt_get_bootstatus()
47 reset |= gpiod_get_value(drv->gpios[GPIO_WD_RST1]) ? (1 << 1) : 0; in a21_wdt_get_bootstatus()
48 reset |= gpiod_get_value(drv->gpios[GPIO_WD_RST2]) ? (1 << 2) : 0; in a21_wdt_get_bootstatus()
57 gpiod_set_value(drv->gpios[GPIO_WD_ENAB], 1); in a21_wdt_start()
66 gpiod_set_value(drv->gpios[GPIO_WD_ENAB], 0); in a21_wdt_stop()
75 gpiod_set_value(drv->gpios[GPIO_WD_TRIG], 0); in a21_wdt_ping()
77 gpiod_set_value(drv->gpios[GPIO_WD_TRIG], 1); in a21_wdt_ping()
88 dev_err(wdt->parent, "Only 1 and 30 allowed as timeout\n"); in a21_wdt_set_timeout()
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/linux/drivers/gpio/
H A Dgpio-ich.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Intel ICH6-10, Series 5 and 6, Atom C2000 (Avoton/Rangeley) GPIO driver
19 * Each chunk of 32 GPIOs is manipulated via its own USE_SELx, IO_SELx, and
34 {0x00, 0x30, 0x40}, /* USE_SEL[1-3] offsets */
35 {0x04, 0x34, 0x44}, /* IO_SEL[1-3] offsets */
36 {0x0c, 0x38, 0x48}, /* LVL[1-3] offsets */
54 #define ICHX_WRITE(val, reg, base_res) outl(val, (reg) + (base_res)->start)
55 #define ICHX_READ(reg, base_res) inl((reg) + (base_res)->start)
74 /* Some chipsets have quirks, let these use their own request/get */
75 int (*request)(struct gpio_chip *chip, unsigned int offset); member
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H A Dgpiolib-shared.c1 // SPDX-License-Identifier: GPL-2.0-only
28 #include "gpiolib-shared.h"
35 /* GPIO flags this consumer uses for the request. */
74 if (entry->fwnode == controller_node && entry->offset == offset) in gpio_shared_find_entry()
97 ref->dev_id = ida_alloc(&gpio_shared_ida, GFP_KERNEL); in gpio_shared_make_ref()
98 if (ref->dev_id < 0) in gpio_shared_make_ref()
101 ref->flags = flags; in gpio_shared_make_ref()
102 ref->con_id = no_free_ptr(con_id_cpy); in gpio_shared_make_ref()
103 ref->fwnode = fwnode; in gpio_shared_make_ref()
104 lockdep_register_key(&ref->lock_key); in gpio_shared_make_ref()
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H A Dgpiolib.c1 // SPDX-License-Identifier: GPL-2.0
38 #include "gpiolib-acpi.h"
39 #include "gpiolib-cdev.h"
40 #include "gpiolib-of.h"
41 #include "gpiolib-shared.h"
42 #include "gpiolib-swnode.h"
43 #include "gpiolib-sysfs.h"
51 * The GPIO programming interface allows for inlining speed-critical
52 * get/set operations for common cases, so that access to SOC-integrated
53 * GPIOs can sometimes cost only an instruction or two per bit.
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/linux/Documentation/devicetree/bindings/power/reset/
H A Dgpio-restart.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/reset/gpio-restart.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <sre@kernel.org>
16 request the given gpio line and install a restart handler. If the optional properties
17 'open-source' is not found, the GPIO line will be driven in the inactive state. Otherwise its
22 This will also cause an inactive->active edge condition, triggering positive edge triggered
23 reset. After a delay specified by active-delay, the GPIO is set to inactive, thus causing an
24 active->inactive edge, triggering negative edge triggered reset. After a delay specified by
[all …]
/linux/Documentation/devicetree/bindings/net/can/
H A Dfsl,flexcan.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 Flexcan CAN controller on Freescale's ARM and PowerPC system-on-a-chip (SOC).
11 - Marc Kleine-Budde <mkl@pengutronix.de>
16 - enum:
17 - fsl,imx95-flexcan
18 - fsl,imx93-flexcan
19 - fsl,imx8qm-flexcan
20 - fsl,imx8mp-flexcan
[all …]
/linux/drivers/pinctrl/renesas/
H A Dgpio.c1 // SPDX-License-Identifier: GPL-2.0
6 * Copyright (C) 2009 - 2012 Paul Mundt
40 return chip->pfc; in gpio_to_pfc()
47 int idx = sh_pfc_get_pin_index(chip->pfc, offset); in gpio_get_data_reg()
48 struct sh_pfc_gpio_pin *gpio_pin = &chip->pins[idx]; in gpio_get_data_reg()
50 *reg = &chip->regs[gpio_pin->dreg]; in gpio_get_data_reg()
51 *bit = gpio_pin->dbit; in gpio_get_data_reg()
57 phys_addr_t address = dreg->reg; in gpio_read_data_reg()
58 void __iomem *mem = address - chip->mem->phys + chip->mem->virt; in gpio_read_data_reg()
60 return sh_pfc_read_raw_reg(mem, dreg->reg_width); in gpio_read_data_reg()
[all …]
/linux/arch/arm/mach-pxa/
H A Dam200epd.c2 * am200epd.c -- Platform device for AM200 EPD kit
12 * This work was made possible by help and equipment support from E-Ink
16 * on the AM200 EPD prototype kit/development kit with an E-Ink 800x600
35 #include <linux/platform_data/video-pxafb.h>
101 static int gpios[] = { LED_GPIO_PIN , STDBY_GPIO_PIN , RST_GPIO_PIN, variable
110 for (i = 0; i < ARRAY_SIZE(gpios); i++) { in am200_init_gpio_regs()
111 err = gpio_request(gpios[i], gpio_names[i]); in am200_init_gpio_regs()
113 dev_err(&am200_device->dev, "failed requesting " in am200_init_gpio_regs()
131 while (--i >= 0) in am200_init_gpio_regs()
132 gpio_free(gpios[i]); in am200_init_gpio_regs()
[all …]
H A Dam300epd.c2 * am300epd.c -- Platform device for AM300 EPD kit
10 * This work was made possible by help and equipment support from E-Ink
14 * on the AM300 EPD prototype kit/development kit with an E-Ink 800x600
32 #include "mfp-pxa25x.h"
34 #include <linux/platform_data/video-pxafb.h>
56 /* this is the 16-bit hdb bus 58-73 */
94 static int gpios[] = { PWR_GPIO_PIN, CFG_GPIO_PIN, RDY_GPIO_PIN, DC_GPIO_PIN, variable
103 wait_event(par->waitq, gpio_get_value(RDY_GPIO_PIN)); in am300_wait_event()
113 for (i = 0; i < ARRAY_SIZE(gpios); i++) { in am300_init_gpio_regs()
114 err = gpio_request(gpios[i], gpio_names[i]); in am300_init_gpio_regs()
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/linux/drivers/hsi/clients/
H A Dnokia-modem.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * nokia-modem.c
32 struct nokia_modem_gpio *gpios; member
45 dev_info(modem->device, "CMT rst line change detected\n"); in do_nokia_modem_rst_ind_tasklet()
47 if (modem->ssi_protocol) in do_nokia_modem_rst_ind_tasklet()
48 ssip_reset_event(modem->ssi_protocol); in do_nokia_modem_rst_ind_tasklet()
55 tasklet_schedule(&modem->nokia_modem_rst_ind_tasklet); in nokia_modem_rst_ind_isr()
65 for (i = 0; i < modem->gpio_amount; i++) { in nokia_modem_gpio_unexport()
66 sysfs_remove_link(&dev->kobj, modem->gpios[i].name); in nokia_modem_gpio_unexport()
67 gpiod_unexport(modem->gpios[i].gpio); in nokia_modem_gpio_unexport()
[all …]
/linux/drivers/input/misc/
H A Drotary_encoder.c1 // SPDX-License-Identifier: GPL-2.0-only
11 * See file:Documentation/input/devices/rotary-encoder.rst for more information
26 #define DRV_NAME "rotary-encoder"
46 struct gpio_descs *gpios; member
51 signed char dir; /* 1 - clockwise, -1 - CCW */
61 for (i = 0; i < encoder->gpios->ndescs; ++i) { in rotary_encoder_get_state()
62 int val = gpiod_get_value_cansleep(encoder->gpios->desc[i]); in rotary_encoder_get_state()
65 if (encoder->encoding == ROTENC_GRAY && ret & 1) in rotary_encoder_get_state()
76 if (encoder->relative_axis) { in rotary_encoder_report_event()
77 input_report_rel(encoder->input, in rotary_encoder_report_event()
[all …]
/linux/arch/arm/boot/dts/allwinner/
H A Dsun5i-r8-chip.dts5 * Maxime Ripard <maxime.ripard@free-electrons.com>
7 * This file is dual-licensed: you can use it either under the terms
46 /dts-v1/;
47 #include "sun5i-r8.dtsi"
48 #include "sunxi-common-regulators.dtsi"
50 #include <dt-bindings/gpio/gpio.h>
51 #include <dt-bindings/interrupt-controller/irq.h>
55 compatible = "nextthing,chip", "allwinner,sun5i-r8", "allwinner,sun5i-a13";
67 stdout-path = "serial0:115200n8";
71 compatible = "gpio-leds";
[all …]
H A Dsun5i-gr8-chip-pro.dts5 * Maxime Ripard <maxime.ripard@free-electrons.com>
7 * This file is dual-licensed: you can use it either under the terms
46 /dts-v1/;
47 #include "sun5i-gr8.dtsi"
48 #include "sunxi-common-regulators.dtsi"
50 #include <dt-bindings/gpio/gpio.h>
51 #include <dt-bindings/input/input.h>
52 #include <dt-bindings/interrupt-controller/irq.h>
56 compatible = "nextthing,chip-pro", "nextthing,gr8";
67 stdout-path = "serial0:115200n8";
[all …]
H A Dsun5i-gr8-evb.dts5 * Mylène Josserand <mylene.josserand@free-electrons.com>
7 * This file is dual-licensed: you can use it either under the terms
46 /dts-v1/;
47 #include "sun5i-gr8.dtsi"
48 #include "sunxi-common-regulators.dtsi"
50 #include <dt-bindings/gpio/gpio.h>
51 #include <dt-bindings/input/input.h>
52 #include <dt-bindings/interrupt-controller/irq.h>
55 model = "NextThing GR8-EVB";
56 compatible = "nextthing,gr8-evb", "nextthing,gr8";
[all …]
/linux/drivers/usb/misc/
H A Dusbio.c1 // SPDX-License-Identifier: GPL-2.0
61 * struct usbio_device - the usb device exposing IOs
71 * @bulk_mutex: protects tx_buf, rx_buf and split bulk-transfers getting interrupted
80 * @done: completion object as request is done
83 * @gpios: GPIO bank descriptors
85 * @gpios: I2C bank descriptors
114 struct usbio_gpio_bank_desc gpios[USBIO_MAX_GPIOBANKS]; member
121 * struct usbio_client - represents a usbio client
140 u8 request = USB_TYPE_VENDOR | USB_RECIP_DEVICE; in usbio_ctrl_msg() local
146 lockdep_assert_held(&usbio->ctrl_mutex); in usbio_ctrl_msg()
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/linux/Documentation/driver-api/hte/
H A Dtegra-hte.rst1 .. SPDX-License-Identifier: GPL-2.0+
7 -----------
15 --------
19 instance supports timestamping GPIOs in real time as it is tightly coupled with
26 consumer can request an GPIO line.
31 specified during IOCTL calls. Refer to ``tools/gpio/gpio-event-mon.c``, which
35 -----------------------------------------
39 provides an example of how a consumer can request an IRQ line. Since it is a
40 one-to-one mapping with IRQ GTE provider, consumers can simply specify the IRQ
45 ``drivers/hte/hte-tegra194.c``. The test driver
[all …]
/linux/sound/hda/codecs/side-codecs/
H A Dcirrus_scodec_test.c1 // SPDX-License-Identifier: GPL-2.0-only
3 // KUnit test for the Cirrus side-codec library.
51 return !!(gpio_priv->pin_state & BIT(offset)); in cirrus_scodec_test_gpio_get()
57 return -EOPNOTSUPP; in cirrus_scodec_test_gpio_direction_out()
63 return -EOPNOTSUPP; in cirrus_scodec_test_gpio_set()
73 return -EOPNOTSUPP; in cirrus_scodec_test_gpio_set_config()
82 .request = gpiochip_generic_request,
90 .base = -1,
104 gpio_priv = devm_kzalloc(&fdev->dev, sizeof(*gpio_priv), GFP_KERNEL); in cirrus_scodec_test_gpio_probe()
106 return -ENOMEM; in cirrus_scodec_test_gpio_probe()
[all …]
/linux/Documentation/hwmon/
H A Dpowr1220.rst19 -----------
23 for output voltages and GPIOs. This driver implements the voltage
26 Voltages are sampled by a 12-bit ADC with a step size of 2 mV.
27 An in-line attenuator allows measurements from 0 to 6 V. The
53 The ADC readings are updated on request with a minimum period of 1s.
/linux/Documentation/devicetree/bindings/phy/
H A Dphy-rockchip-usbdp.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/phy/phy-rockchip-usbdp.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Frank Wang <frank.wang@rock-chips.com>
11 - Zhang Yubing <yubing.zhang@rock-chips.com>
16 - rockchip,rk3576-usbdp-phy
17 - rockchip,rk3588-usbdp-phy
22 "#phy-cells":
25 - PHY_TYPE_USB3
[all …]
/linux/Documentation/devicetree/bindings/sound/
H A Dfsl,ssi.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Shengjiu Wang <shengjiu.wang@nxp.com>
13 Notes on fsl,playback-dma and fsl,capture-dma
14 On SOCs that have an SSI, specific DMA channels are hard-wired for playback
18 DMA controller to use, but the channels themselves are hard-wired. The
22 "fsl,playback-dma" and "fsl,capture-dma" must be marked as compatible with
23 "fsl,ssi-dma-channel". The SOC-specific compatible string (e.g.
24 "fsl,mpc8610-dma-channel") can remain. If these nodes are left as
[all …]

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