| /Linux-v6.1/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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| /Linux-v6.1/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_AMD
35 bool "AMD GPIO pin control"
44 The driver for memory mapped GPIO functionality on AMD platforms
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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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| /Linux-v6.1/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 tristate "Broadcom BCM2835 GPIO (with PINCONF) driver"
30 Say Y here to enable the Broadcom BCM2835 GPIO driver.
32 config PINCTRL_BCM4908
44 If compiled as module it will be called pinctrl-bcm4908.
46 config PINCTRL_BCM63XX
55 config PINCTRL_BCM6318
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| /Linux-v6.1/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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| /Linux-v6.1/Documentation/admin-guide/gpio/ |
| D | gpio-sim.rst | 1 .. SPDX-License-Identifier: GPL-2.0-or-later
3 Configfs GPIO Simulator
6 The configfs GPIO Simulator (gpio-sim) provides a way to create simulated GPIO
8 using the standard GPIO character device interface as well as manipulated
12 ------------------------
14 The gpio-sim module registers a configfs subsystem called ``'gpio-sim'``. For
21 **Group:** ``/config/gpio-sim``
23 This is the top directory of the gpio-sim configfs tree.
25 **Group:** ``/config/gpio-sim/gpio-device``
27 **Attribute:** ``/config/gpio-sim/gpio-device/dev_name``
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| /Linux-v6.1/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";
13 thermal-zones {
14 chassis-thermal {
16 polling-delay = <20000>;
18 polling-delay-passive = <2000>;
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| D | ste-ux500-samsung-janice.dts | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Devicetree for the Samsung Galaxy S Advance GT-I9070 also known as Janice.
6 /dts-v1/;
7 #include "ste-db8500.dtsi"
8 #include "ste-ab8500.dtsi"
9 #include "ste-dbx5x0-pinctrl.dtsi"
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/leds/common.h>
12 #include <dt-bindings/input/input.h>
13 #include <dt-bindings/interrupt-controller/irq.h>
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| D | ste-ux500-samsung-gavini.dts | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Devicetree for the Samsung Galaxy Beam GT-I8530 also known as Gavini.
6 /dts-v1/;
7 #include "ste-db8500.dtsi"
8 #include "ste-ab8500.dtsi"
9 #include "ste-dbx5x0-pinctrl.dtsi"
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/leds/common.h>
12 #include <dt-bindings/input/input.h>
13 #include <dt-bindings/interrupt-controller/irq.h>
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| D | ste-ux500-samsung-codina.dts | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Devicetree for the Samsung Galaxy Ace 2 GT-I8160 also known as Codina.
11 * The Samsung tree further talks about GT-I8160P and GT-I8160chn (China).
12 * The GT-I8160 plain is known as the "europe" variant.
13 * The GT-I8160P is the CDMA version and it appears to not use the ST
15 * The GT-I8160chn appears to be the same as the europe variant.
17 * There is also the Codina-TMO, Samsung SGH-T599, which has its own device
21 /dts-v1/;
22 #include "ste-db8500.dtsi"
23 #include "ste-ab8500.dtsi"
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| D | ste-ux500-samsung-kyle.dts | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Devicetree for the Samsung Galaxy Amp SGH-I407 also known as Kyle.
10 /dts-v1/;
11 #include "ste-db8500.dtsi"
12 #include "ste-ab8505.dtsi"
13 #include "ste-dbx5x0-pinctrl.dtsi"
14 #include <dt-bindings/gpio/gpio.h>
15 #include <dt-bindings/leds/common.h>
16 #include <dt-bindings/input/input.h>
17 #include <dt-bindings/interrupt-controller/irq.h>
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| D | ste-ux500-samsung-codina-tmo.dts | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Devicetree for the Samsung Galaxy Exhibit SGH-T599 also known as Codina-TMO,
4 * the "TMO" shall be read "T-Mobile" as this phone was produced exlusively
5 * for T-Mobile in the United States.
8 * - No CPU speed cap, full ~1GHz rate
9 * - Different power management IC, AB8505
10 * - As AB8505 has a micro USB phy, no TI TSU6111
11 * - Different power routing such as the removal of the external LDO for the
13 * - Using a regulator for the key backlight LED
14 * - Using the Samsung S6D27A1 panel by default
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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/leds/common.h>
12 #include <dt-bindings/input/input.h>
13 #include <dt-bindings/interrupt-controller/irq.h>
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| /Linux-v6.1/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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| /Linux-v6.1/drivers/pinctrl/mediatek/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
5 config EINT_MTK
13 config PINCTRL_MTK
22 config PINCTRL_MTK_V2
25 config PINCTRL_MTK_MOORE
36 config PINCTRL_MTK_PARIS
47 config PINCTRL_MT2701
54 config PINCTRL_MT7623
61 config PINCTRL_MT7629
68 config PINCTRL_MT8135
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| /Linux-v6.1/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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| /Linux-v6.1/drivers/leds/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
2 config LEDS_GPIO_REGISTER
17 config LEDS_CLASS
23 config LEDS_CLASS_FLASH
33 config LEDS_CLASS_MULTICOLOR
43 config LEDS_BRIGHTNESS_HW_CHANGED
50 See Documentation/ABI/testing/sysfs-class-led for details.
54 config LEDS_88PM860X
59 This option enables support for on-chip LED drivers found on Marvell
62 config LEDS_AN30259A
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| /Linux-v6.1/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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| /Linux-v6.1/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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| /Linux-v6.1/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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| /Linux-v6.1/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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| /Linux-v6.1/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
43 * Post-requisites: headers required by this unit
68 if (!dal_hw_translate_init(&service->translate, dce_version, in dal_gpio_service_create()
74 if (!dal_hw_factory_init(&service->factory, dce_version, in dal_gpio_service_create()
83 service->ctx = ctx; in dal_gpio_service_create()
87 service->factory.number_of_pins[index_of_id]; in dal_gpio_service_create()
91 service->busyness[index_of_id] = in dal_gpio_service_create()
95 if (!service->busyness[index_of_id]) { in dal_gpio_service_create()
101 service->busyness[index_of_id][i] = 0; in dal_gpio_service_create()
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