| /kernel/linux/linux-5.10/drivers/gpio/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 # GPIO infrastructure and drivers
6 config ARCH_HAVE_CUSTOM_GPIO_H
9 Selecting this config option from the architecture Kconfig allows
10 the architecture to provide a custom asm/gpio.h implementation
15 bool "GPIO Support"
17 This enables GPIO support through the generic GPIO library.
19 one or more of the GPIO drivers below.
25 config GPIOLIB_FASTPATH_LIMIT
37 config OF_GPIO
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| D | gpio-regmap.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * regmap based generic GPIO driver
8 #include <linux/gpio/driver.h>
9 #include <linux/gpio/regmap.h>
27 int (*reg_mask_xlate)(struct gpio_regmap *gpio, unsigned int base,
42 static int gpio_regmap_simple_xlate(struct gpio_regmap *gpio, in gpio_regmap_simple_xlate() argument
46 unsigned int line = offset % gpio->ngpio_per_reg; in gpio_regmap_simple_xlate()
47 unsigned int stride = offset / gpio->ngpio_per_reg; in gpio_regmap_simple_xlate()
49 *reg = base + stride * gpio->reg_stride; in gpio_regmap_simple_xlate()
57 struct gpio_regmap *gpio = gpiochip_get_data(chip); in gpio_regmap_get() local
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| D | gpio-sl28cpld.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * sl28cpld GPIO driver
9 #include <linux/gpio/driver.h>
10 #include <linux/gpio/regmap.h>
18 /* GPIO flavor */
25 /* input-only flavor */
28 /* output-only flavor */
50 struct gpio_regmap_config *config) in sl28cpld_gpio_irq_init() argument
54 struct device *dev = &pdev->dev; in sl28cpld_gpio_irq_init()
57 if (!device_property_read_bool(dev, "interrupt-controller")) in sl28cpld_gpio_irq_init()
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| /kernel/linux/linux-5.10/drivers/pinctrl/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
11 config GENERIC_PINCTRL_GROUPS
14 config PINMUX
17 config GENERIC_PINMUX_FUNCTIONS
21 config PINCONF
24 config GENERIC_PINCONF
28 config DEBUG_PINCTRL
34 config PINCTRL_ARTPEC6
35 bool "Axis ARTPEC-6 pin controller driver"
40 This is the driver for the Axis ARTPEC-6 pin controller. This driver
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| D | pinctrl-falcon.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * linux/drivers/pinctrl/pinmux-falcon.c
4 * based on linux/drivers/pinctrl/pinmux-pxa910.c
10 #include <linux/gpio/driver.h>
22 #include "pinctrl-lantiq.h"
107 MFP_FALCON(GPIO0, RST, GPIO, NONE, NONE),
108 MFP_FALCON(GPIO1, GPIO, GPIO, NONE, NONE),
109 MFP_FALCON(GPIO2, GPIO, GPIO, NONE, NONE),
110 MFP_FALCON(GPIO3, GPIO, GPIO, NONE, NONE),
111 MFP_FALCON(GPIO4, NTR, GPIO, NONE, NONE),
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| /kernel/linux/linux-5.10/drivers/pinctrl/intel/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
6 config PINCTRL_BAYTRAIL
7 bool "Intel Baytrail GPIO pin control"
11 driver for memory mapped GPIO functionality on Intel Baytrail
14 so only a small amount is available for gpio use.
18 config PINCTRL_CHERRYVIEW
19 tristate "Intel Cherryview/Braswell pinctrl and GPIO driver"
26 config PINCTRL_LYNXPOINT
27 tristate "Intel Lynxpoint pinctrl and GPIO driver"
39 config PINCTRL_MERRIFIELD
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| /kernel/linux/linux-5.10/arch/arm/boot/dts/ |
| D | ste-hrefv60plus.dtsi | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright 2012 ST-Ericsson AB
6 #include "ste-href-ab8500.dtsi"
7 #include "ste-href.dtsi"
10 model = "ST-Ericsson HREF (v60+) platform with Device Tree";
11 compatible = "st-ericsson,hrefv60+", "st-ericsson,u8500";
14 /* Name the GPIO muxed rails on the HREF boards */
15 gpio@8012e000 {
16 /* GPIOs 0 - 31 */
17 gpio-line-names =
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| D | ste-ux500-samsung-skomer.dts | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Devicetree for the Samsung XCover 2 GT-S7710 also known as Skomer.
6 /dts-v1/;
7 #include "ste-db8500.dtsi"
8 #include "ste-ab8505.dtsi"
9 #include "ste-dbx5x0-pinctrl.dtsi"
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/input/input.h>
12 #include <dt-bindings/interrupt-controller/irq.h>
15 model = "Samsung XCover 2 (GT-S7710)";
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| D | ste-ux500-samsung-golden.dts | 1 // SPDX-License-Identifier: GPL-2.0-only
2 /dts-v1/;
4 #include "ste-db8500.dtsi"
5 #include "ste-ab8505.dtsi"
6 #include "ste-dbx5x0-pinctrl.dtsi"
7 #include <dt-bindings/gpio/gpio.h>
8 #include <dt-bindings/input/input.h>
9 #include <dt-bindings/interrupt-controller/irq.h>
13 * You need an intermediate, device-tree compatible bootloader
16 * There is a port of (mainline) U-Boot, see
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| /kernel/linux/linux-5.10/arch/arm64/boot/dts/qcom/ |
| D | msm8996-pins.dtsi | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
12 function = "gpio";
15 config {
17 drive-strength = <2>; /* 2 mA */
18 bias-pull-down; /* pull down */
19 input-enable;
28 function = "gpio";
30 config {
32 drive-strength = <16>;
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| /kernel/linux/linux-5.10/drivers/pinctrl/bcm/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
6 config PINCTRL_BCM281XX
18 framework. GPIO is provided by a separate GPIO driver.
20 config PINCTRL_BCM2835
21 bool "Broadcom BCM2835 GPIO (with PINCONF) driver"
30 Say Y here to enable the Broadcom BCM2835 GPIO driver.
32 config PINCTRL_IPROC_GPIO
33 bool "Broadcom iProc GPIO (with PINCONF) driver"
40 Say yes here to enable the Broadcom iProc GPIO driver.
42 The Broadcom iProc based SoCs- Cygnus, NS2, NSP and Stingray, use
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| /kernel/linux/linux-5.10/tools/gpio/ |
| D | gpio-utils.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * GPIO tools - helpers library for the GPIO tools
17 #include <linux/gpio.h>
18 #include "gpio-utils.h"
20 #define CONSUMER "gpio-utils"
23 * doc: Operation of gpio
27 * ioctl, including request and release for lines of gpio, read/write
28 * the value of gpio. If the user want to do lots of read and write of
29 * lines of gpio, user should use this type of api.
32 * following api will request gpio lines, do the operation and then
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| D | gpio-event-mon.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * gpio-event-mon - monitor GPIO line events from userspace
8 * gpio-event-mon -n <device-name> -o <offset>
25 #include <linux/gpio.h>
26 #include "gpio-utils.h"
31 struct gpio_v2_line_config *config, in monitor_device() argument
42 return -ENOMEM; in monitor_device()
45 if (cfd == -1) { in monitor_device()
46 ret = -errno; in monitor_device()
51 ret = gpiotools_request_line(device_name, lines, num_lines, config, in monitor_device()
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| /kernel/linux/linux-5.10/drivers/gpu/drm/msm/hdmi/ |
| D | hdmi_connector.c | 1 // SPDX-License-Identifier: GPL-2.0-only
8 #include <linux/gpio/consumer.h>
72 const struct hdmi_platform_config *config = hdmi->config; in gpio_config() local
77 struct hdmi_gpio_data gpio = config->gpios[i]; in gpio_config() local
79 if (gpio.gpiod) { in gpio_config()
80 if (gpio.output) { in gpio_config()
81 gpiod_direction_output(gpio.gpiod, in gpio_config()
82 gpio.value); in gpio_config()
84 gpiod_direction_input(gpio.gpiod); in gpio_config()
85 gpiod_set_value_cansleep(gpio.gpiod, in gpio_config()
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| /kernel/linux/linux-5.10/drivers/pinctrl/mvebu/ |
| D | pinctrl-dove.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
20 #include "pinctrl-mvebu.h"
23 #define INT_REGS_MASK ~(SZ_1M - 1)
44 /* Global Config regmap registers */
64 unsigned pid, unsigned long *config) in dove_pmu_mpp_ctrl_get() argument
68 unsigned long pmu = readl(data->base + PMU_MPP_GENERAL_CTRL); in dove_pmu_mpp_ctrl_get()
72 return mvebu_mmio_mpp_ctrl_get(data, pid, config); in dove_pmu_mpp_ctrl_get()
75 *config = (func >> shift) & MVEBU_MPP_MASK; in dove_pmu_mpp_ctrl_get()
76 *config |= CONFIG_PMU; in dove_pmu_mpp_ctrl_get()
82 unsigned pid, unsigned long config) in dove_pmu_mpp_ctrl_set() argument
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| /kernel/linux/linux-5.10/drivers/regulator/ |
| D | gpio-regulator.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * gpio-regulator.c
14 * Roger Quadros <ext-roger.quadros@nokia.com>
17 * non-controllable regulators, as well as for allowing testing on
28 #include <linux/regulator/gpio-regulator.h>
29 #include <linux/gpio/consumer.h>
50 for (ptr = 0; ptr < data->nr_states; ptr++) in gpio_regulator_get_value()
51 if (data->states[ptr].gpios == data->state) in gpio_regulator_get_value()
52 return data->states[ptr].value; in gpio_regulator_get_value()
54 return -EINVAL; in gpio_regulator_get_value()
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| /kernel/linux/linux-5.10/drivers/mfd/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
9 config MFD_CORE
14 config MFD_CS5535
20 necessary for using the board's GPIO and MFGPT functionality.
22 config MFD_ALTERA_A10SR
30 accessing the external gpio extender (LEDs & buttons) and
33 config MFD_ALTERA_SYSMGR
43 config MFD_ACT8945A
44 tristate "Active-semi ACT8945A"
49 Support for the ACT8945A PMIC from Active-semi. This device
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| /kernel/linux/linux-5.10/arch/arm/mach-pxa/ |
| D | mfp-pxa2xx.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * linux/arch/arm/mach-pxa/mfp-pxa2xx.c
12 #include <linux/gpio.h>
13 #include <linux/gpio-pxa.h>
20 #include <mach/pxa2xx-regs.h>
21 #include "mfp-pxa2xx.h"
30 #define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2))
44 unsigned int mux_mask; /* bit mask of muxed gpio bits, 0 if no mux */
45 unsigned long config; member
52 static int __mfp_config_gpio(unsigned gpio, unsigned long c) in __mfp_config_gpio() argument
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| /kernel/linux/linux-5.10/drivers/pinctrl/vt8500/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
8 config PINCTRL_WMT
13 config PINCTRL_VT8500
18 Say yes here to support the gpio/pin control module on
21 config PINCTRL_WM8505
26 Say yes here to support the gpio/pin control module on
29 config PINCTRL_WM8650
34 Say yes here to support the gpio/pin control module on
37 config PINCTRL_WM8750
42 Say yes here to support the gpio/pin control module on
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| /kernel/linux/linux-5.10/arch/arm/mach-s3c/ |
| D | gpio-cfg-helpers.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
8 * Samsung Platform - GPIO pin configuration helper definitions
18 /* As a note, all gpio configuration functions are entered exclusively, either
24 unsigned int off, unsigned int config) in samsung_gpio_do_setcfg() argument
26 return (chip->config->set_config)(chip, off, config); in samsung_gpio_do_setcfg()
32 return (chip->config->get_config)(chip, off); in samsung_gpio_do_getcfg()
38 return (chip->config->set_pull)(chip, off, pull); in samsung_gpio_do_setpull()
44 return chip->config->get_pull(chip, off); in samsung_gpio_do_getpull()
47 /* Pull-{up,down} resistor controls.
49 * S3C2410,S3C2440 = Pull-UP,
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| /kernel/linux/linux-5.10/drivers/i2c/muxes/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
9 config I2C_ARB_GPIO_CHALLENGE
10 tristate "GPIO-based I2C arbitration"
17 a GPIO.
20 will be called i2c-arb-gpio-challenge.
22 config I2C_MUX_GPIO
23 tristate "GPIO-based I2C multiplexer"
27 GPIO based I2C multiplexer. This driver provides access to
29 through GPIO pins.
32 will be called i2c-mux-gpio.
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| /kernel/linux/linux-5.10/drivers/char/ |
| D | nsc_gpio.c | 1 // SPDX-License-Identifier: GPL-2.0-only
4 National Semiconductor common GPIO device-file/VFS methods.
5 Allows a user space process to control the GPIO pins.
7 Copyright (c) 2001,2002 Christer Weinigel <wingel@nano-system.com>
25 /* retrieve current config w/o changing it */ in nsc_gpio_dump()
26 u32 config = amp->gpio_config(index, ~0, 0); in nsc_gpio_dump() local
29 dev_info(amp->dev, "io%02u: 0x%04x %s %s %s %s %s %s %s\tio:%d/%d\n", in nsc_gpio_dump()
30 index, config, in nsc_gpio_dump()
31 (config & 1) ? "OE" : "TS", /* output-enabled/tristate */ in nsc_gpio_dump()
32 (config & 2) ? "PP" : "OD", /* push pull / open drain */ in nsc_gpio_dump()
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| /kernel/linux/linux-5.10/drivers/gpu/drm/amd/display/dc/gpio/ |
| D | gpio_service.c | 2 * Copyright 2012-15 Advanced Micro Devices, Inc.
27 * Pre-requisites: headers required by header of this unit
45 * Post-requisites: headers required by this unit
70 if (!dal_hw_translate_init(&service->translate, dce_version_major, in dal_gpio_service_create()
76 if (!dal_hw_factory_init(&service->factory, dce_version_major, in dal_gpio_service_create()
85 service->ctx = ctx; in dal_gpio_service_create()
89 service->factory.number_of_pins[index_of_id]; in dal_gpio_service_create()
93 service->busyness[index_of_id] = in dal_gpio_service_create()
97 if (!service->busyness[index_of_id]) { in dal_gpio_service_create()
103 service->busyness[index_of_id][i] = 0; in dal_gpio_service_create()
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| /kernel/linux/linux-5.10/drivers/extcon/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
11 host USB ports. Many of 30-pin connectors including PDMI are
18 config EXTCON_ADC_JACK
24 config EXTCON_ARIZONA
32 config EXTCON_AXP288
33 tristate "X-Power AXP288 EXTCON support"
38 and USB MUX switching by X-Power AXP288 PMIC.
40 config EXTCON_FSA9480
52 config EXTCON_GPIO
53 tristate "GPIO extcon support"
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| /kernel/linux/linux-5.10/drivers/w1/masters/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 # 1-wire bus master configuration
6 menu "1-wire Bus Masters"
8 config W1_MASTER_MATROX
9 tristate "Matrox G400 transport layer for 1-wire"
12 Say Y here if you want to communicate with your 1-wire devices
13 using Matrox's G400 GPIO pins.
18 config W1_MASTER_DS2490
19 tristate "DS2490 USB <-> W1 transport layer for 1-wire"
22 Say Y here if you want to have a driver for DS2490 based USB <-> W1 bridges,
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