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/linux-6.12.1/drivers/gpio/ !
Dgpio-en7523.c1 // SPDX-License-Identifier: GPL-2.0-only
6 #include <linux/gpio/driver.h>
15 * struct airoha_gpio_ctrl - Airoha GPIO driver data
18 * @dir: [0] The direction register for the lower 16 pins.
25 void __iomem *dir[2]; member
34 static int airoha_dir_set(struct gpio_chip *gc, unsigned int gpio, in airoha_dir_set() argument
38 u32 dir = ioread32(ctrl->dir[gpio / 16]); in airoha_dir_set() local
39 u32 output = ioread32(ctrl->output); in airoha_dir_set()
40 u32 mask = BIT((gpio % 16) * 2); in airoha_dir_set()
43 dir |= mask; in airoha_dir_set()
[all …]
Dgpio-clps711x.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * CLPS711X GPIO driver
10 #include <linux/gpio/driver.h>
15 struct device_node *np = pdev->dev.of_node; in clps711x_gpio_probe()
16 void __iomem *dat, *dir; in clps711x_gpio_probe() local
21 return -ENODEV; in clps711x_gpio_probe()
23 id = of_alias_get_id(np, "gpio"); in clps711x_gpio_probe()
25 return -ENODEV; in clps711x_gpio_probe()
27 gc = devm_kzalloc(&pdev->dev, sizeof(*gc), GFP_KERNEL); in clps711x_gpio_probe()
29 return -ENOMEM; in clps711x_gpio_probe()
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Dgpio-xilinx.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Xilinx gpio driver for xps/axi_gpio IP.
5 * Copyright 2008 - 2013 Xilinx, Inc.
12 #include <linux/gpio/driver.h>
35 /* Read/Write access to the GPIO registers */
45 * struct xgpio_instance - Stores information about GPIO device
46 * @gc: GPIO chip
48 * @hw_map: GPIO pin mapping on hardware side
49 * @sw_map: GPIO pin mapping on software side
50 * @state: GPIO write state shadow register
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Dgpio-dln2.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Driver for the Diolan DLN-2 USB-GPIO adapter
15 #include <linux/gpio/driver.h>
48 struct gpio_chip gpio; member
56 /* active IRQs - not synced to hardware */
58 /* active IRQS - synced to hardware */
83 return -EPROTO; in dln2_gpio_get_pin_count()
94 return dln2_transfer_tx(dln2->pdev, cmd, &req, sizeof(req)); in dln2_gpio_pin_cmd()
106 ret = dln2_transfer(dln2->pdev, cmd, &req, sizeof(req), &rsp, &len); in dln2_gpio_pin_val()
110 return -EPROTO; in dln2_gpio_pin_val()
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Dgpio-f7188x.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * GPIO driver for Fintek and Nuvoton Super-I/O chips
5 * Copyright (C) 2010-2013 LaCie
10 #define DRVNAME "gpio-f7188x"
17 #include <linux/gpio/driver.h>
21 * Super-I/O registers
26 #define SIO_UNLOCK_KEY 0x87 /* Key to enable Super-I/O */
27 #define SIO_LOCK_KEY 0xAA /* Key to disable Super-I/O */
46 #define SIO_LD_GPIO_FINTEK 0x06 /* GPIO logical device */
53 #define SIO_LD_GPIO_NUVOTON 0x07 /* GPIO logical device */
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Dgpio-davinci.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * TI DaVinci GPIO Support
5 * Copyright (c) 2006-2007 David Brownell
9 #include <linux/gpio/driver.h>
30 u32 dir; member
44 #define BINTEN 0x8 /* GPIO Interrupt Per-Bank Enable Register */
58 /* Serialize access to GPIO registers */
67 static inline u32 __gpio_mask(unsigned gpio) in __gpio_mask() argument
69 return 1 << (gpio % 32); in __gpio_mask()
83 /*--------------------------------------------------------------------------*/
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Dgpio-mockup.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * GPIO Testing Device Driver
6 * Copyright (C) 2015-2016 Bamvor Jian Zhang <bamv2005@gmail.com>
15 #include <linux/gpio/driver.h>
31 * We're storing two values per chip: the GPIO base and the number
32 * of GPIO lines.
39 * struct gpio_pin_status - structure describing a GPIO status
40 * @dir: Configures direction of gpio as "in" or "out"
41 * @value: Configures status of the gpio as 0(low) or 1(high)
42 * @pull: Configures the current pull of the GPIO as 0 (pull-down) or
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Dgpio-lpc18xx.c1 // SPDX-License-Identifier: GPL-2.0
3 * GPIO driver for NXP LPC18xx/43xx.
11 #include <linux/gpio/driver.h>
21 /* LPC18xx GPIO register offsets */
27 /* LPC18xx GPIO pin interrupt controller register offsets */
48 struct gpio_chip gpio; member
57 u32 val = readl_relaxed(ic->base + LPC18XX_GPIO_PIN_IC_ISEL); in lpc18xx_gpio_pin_ic_isel()
64 writel_relaxed(val, ic->base + LPC18XX_GPIO_PIN_IC_ISEL); in lpc18xx_gpio_pin_ic_isel()
70 writel_relaxed(BIT(pin), ic->base + reg); in lpc18xx_gpio_pin_ic_set()
75 struct lpc18xx_gpio_pin_ic *ic = d->chip_data; in lpc18xx_gpio_pin_ic_mask()
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Dgpio-virtuser.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Configurable virtual GPIO consumer module.
5 * Copyright (C) 2023-2024 Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
19 #include <linux/gpio/consumer.h>
20 #include <linux/gpio/machine.h>
77 int dir; member
98 init_completion(&ctx->work_completion); in gpio_virtuser_init_irq_work_context()
104 irq_work_queue(&ctx->work); in gpio_virtuser_irq_work_queue_sync()
105 wait_for_completion(&ctx->work_completion); in gpio_virtuser_irq_work_queue_sync()
124 struct gpio_descs *descs = ctx->descs; in gpio_virtuser_get_value_array_atomic()
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Dgpio-zevio.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * GPIO controller in LSI ZEVIO SoCs.
5 * Author: Fabian Vogt <fabian@ritter-vogt.de>
17 #include <linux/gpio/driver.h>
21 * This chip has four gpio sections, each controls 8 GPIOs.
22 * Bit 0 in section 0 is GPIO 0, bit 2 in section 1 is GPIO 10.
25 …tp://hackspire.unsads.com/wiki/index.php/Memory-mapped_I/O_ports#90000000_-_General_Purpose_I.2FO_…
27 * 0x00-0x3F: Section 0
28 * +0x00: Masked interrupt status (read-only)
31 * +0x0C: W: Unmask interrupt (write-only)
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/linux-6.12.1/Documentation/devicetree/bindings/gpio/ !
Dgpio-ep9301.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/gpio/gpio-ep9301.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: EP93xx GPIO controller
10 - Linus Walleij <linus.walleij@linaro.org>
11 - Bartosz Golaszewski <brgl@bgdev.pl>
12 - Nikita Shubin <nikita.shubin@maquefel.me>
17 - const: cirrus,ep9301-gpio
18 - items:
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/linux-6.12.1/include/dt-bindings/sound/ !
Dcs35l45.h1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
3 * cs35l45.h -- CS35L45 ALSA SoC audio driver DT bindings header
12 * cirrus,asp-sdout-hiz-ctrl
14 * TX_HIZ_UNUSED: TX pin high-impedance during unused slots.
15 * TX_HIZ_DISABLED: TX pin high-impedance when all channels disabled.
21 * Optional GPIOX Sub-nodes:
22 * The cs35l45 node can have up to three "cirrus,gpio-ctrlX" ('X' = [1,2,3])
23 * sub-nodes for configuring the GPIO pins.
25 * - gpio-dir : GPIO pin direction. Valid only when 'gpio-ctrl'
30 * - gpio-lvl : GPIO level. Valid only when 'gpio-ctrl' is 1 and 'gpio-dir' is 0.
[all …]
/linux-6.12.1/Documentation/devicetree/bindings/sound/ !
Dcirrus,cs35l45.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Ricardo Rivera-Matos <rriveram@opensource.cirrus.com>
11 - Richard Fitzgerald <rf@opensource.cirrus.com>
18 - $ref: dai-common.yaml#
23 - cirrus,cs35l45
31 '#sound-dai-cells':
34 reset-gpios:
37 vdd-a-supply:
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/linux-6.12.1/arch/m68k/coldfire/ !
Dgpio.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Coldfire generic GPIO support.
12 #include <linux/gpio/driver.h>
19 int __mcfgpio_get_value(unsigned gpio) in __mcfgpio_get_value() argument
21 return mcfgpio_read(__mcfgpio_ppdr(gpio)) & mcfgpio_bit(gpio); in __mcfgpio_get_value()
25 void __mcfgpio_set_value(unsigned gpio, int value) in __mcfgpio_set_value() argument
27 if (gpio < MCFGPIO_SCR_START) { in __mcfgpio_set_value()
32 data = mcfgpio_read(__mcfgpio_podr(gpio)); in __mcfgpio_set_value()
34 data |= mcfgpio_bit(gpio); in __mcfgpio_set_value()
36 data &= ~mcfgpio_bit(gpio); in __mcfgpio_set_value()
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/linux-6.12.1/arch/arm/boot/dts/cirrus/ !
Dep93xx.dtsi1 // SPDX-License-Identifier: GPL-2.0
5 #include <dt-bindings/gpio/gpio.h>
6 #include <dt-bindings/leds/common.h>
7 #include <dt-bindings/input/input.h>
8 #include <dt-bindings/clock/cirrus,ep9301-syscon.h>
11 compatible = "simple-bus";
13 #address-cells = <1>;
14 #size-cells = <1>;
17 compatible = "cirrus,ep9301-syscon", "syscon";
20 #clock-cells = <1>;
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/linux-6.12.1/Documentation/devicetree/bindings/mmc/ !
Darm,pl18x.yaml1 # 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>
11 - Ulf Hansson <ulf.hansson@linaro.org>
20 - $ref: /schemas/arm/primecell.yaml#
21 - $ref: mmc-controller.yaml#
29 - arm,pl180
30 - arm,pl181
31 - arm,pl18x
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/linux-6.12.1/drivers/mfd/ !
Dwm8350-gpio.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * wm8350-core.c -- Device access for Wolfson WM8350
15 #include <linux/mfd/wm8350/gpio.h>
18 static int gpio_set_dir(struct wm8350 *wm8350, int gpio, int dir) in gpio_set_dir() argument
23 if (dir == WM8350_GPIO_DIR_OUT) in gpio_set_dir()
26 1 << gpio); in gpio_set_dir()
30 1 << gpio); in gpio_set_dir()
35 static int wm8350_gpio_set_debounce(struct wm8350 *wm8350, int gpio, int db) in wm8350_gpio_set_debounce() argument
39 1 << gpio); in wm8350_gpio_set_debounce()
42 WM8350_GPIO_DEBOUNCE, 1 << gpio); in wm8350_gpio_set_debounce()
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/linux-6.12.1/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/ !
Dnv10.c29 nv10_gpio_sense(struct nvkm_gpio *gpio, int line) in nv10_gpio_sense() argument
31 struct nvkm_device *device = gpio->subdev.device; in nv10_gpio_sense()
38 line = (line - 2) * 4; in nv10_gpio_sense()
43 line = (line - 10) * 4; in nv10_gpio_sense()
48 return -EINVAL; in nv10_gpio_sense()
52 nv10_gpio_drive(struct nvkm_gpio *gpio, int line, int dir, int out) in nv10_gpio_drive() argument
54 struct nvkm_device *device = gpio->subdev.device; in nv10_gpio_drive()
61 data = (dir << 4) | out; in nv10_gpio_drive()
64 line = (line - 2) * 4; in nv10_gpio_drive()
67 data = (dir << 1) | out; in nv10_gpio_drive()
[all …]
Dbase.c29 nvkm_gpio_drive(struct nvkm_gpio *gpio, int idx, int line, int dir, int out) in nvkm_gpio_drive() argument
31 return gpio->func->drive(gpio, line, dir, out); in nvkm_gpio_drive()
35 nvkm_gpio_sense(struct nvkm_gpio *gpio, int idx, int line) in nvkm_gpio_sense() argument
37 return gpio->func->sense(gpio, line); in nvkm_gpio_sense()
41 nvkm_gpio_reset(struct nvkm_gpio *gpio, u8 func) in nvkm_gpio_reset() argument
43 if (gpio->func->reset) in nvkm_gpio_reset()
44 gpio->func->reset(gpio, func); in nvkm_gpio_reset()
48 nvkm_gpio_find(struct nvkm_gpio *gpio, int idx, u8 tag, u8 line, in nvkm_gpio_find() argument
51 struct nvkm_device *device = gpio->subdev.device; in nvkm_gpio_find()
52 struct nvkm_bios *bios = device->bios; in nvkm_gpio_find()
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/linux-6.12.1/arch/powerpc/platforms/8xx/ !
Dcpm1.c1 // SPDX-License-Identifier: GPL-2.0
27 #include <linux/dma-mapping.h>
48 #include <linux/gpio/legacy-of-mm-gpiochip.h>
58 cpmp = &mpc8xx_immr->im_cpm; in cpm_reset()
62 out_be16(&cpmp->cp_cpcr, CPM_CR_RST | CPM_CR_FLG); in cpm_reset()
65 while (in_be16(&cpmp->cp_cpcr) & CPM_CR_FLG); in cpm_reset()
80 out_be32(&mpc8xx_immr->im_siu_conf.sc_sdcr, 0x40); in cpm_reset()
82 out_be32(&mpc8xx_immr->im_siu_conf.sc_sdcr, 1); in cpm_reset()
95 return -EINVAL; in cpm_command()
100 out_be16(&cpmp->cp_cpcr, command | CPM_CR_FLG | (opcode << 8)); in cpm_command()
[all …]
/linux-6.12.1/drivers/pinctrl/ !
Dpinctrl-stmfx.c1 // SPDX-License-Identifier: GPL-2.0
3 * Driver for STMicroelectronics Multi-Function eXpander (STMFX) GPIO expander
8 #include <linux/gpio/driver.h>
20 #include "pinctrl-utils.h"
54 * Pins availability is managed thanks to gpio-ranges property.
113 ret = regmap_read(pctl->stmfx->map, reg, &value); in stmfx_gpio_get()
124 regmap_write_bits(pctl->stmfx->map, reg + get_reg(offset), in stmfx_gpio_set()
136 ret = regmap_read(pctl->stmfx->map, reg, &val); in stmfx_gpio_get_direction()
138 * On stmfx, gpio pins direction is (0)input, (1)output. in stmfx_gpio_get_direction()
155 return regmap_write_bits(pctl->stmfx->map, reg, mask, 0); in stmfx_gpio_direction_input()
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/linux-6.12.1/arch/arm/boot/dts/broadcom/ !
Dbcm47094-dlink-dir-890l.dts1 // 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
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";
25 model = "D-Link DIR-890L";
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/linux-6.12.1/arch/mips/bcm63xx/ !
Dgpio.c7 * Copyright (C) 2008-2011 Florian Fainelli <florian@openwrt.org>
14 #include <linux/gpio/driver.h>
39 unsigned gpio, int val) in bcm63xx_gpio_set() argument
46 BUG_ON(gpio >= chip->ngpio); in bcm63xx_gpio_set()
48 if (gpio < 32) { in bcm63xx_gpio_set()
50 mask = 1 << gpio; in bcm63xx_gpio_set()
54 mask = 1 << (gpio - 32); in bcm63xx_gpio_set()
67 static int bcm63xx_gpio_get(struct gpio_chip *chip, unsigned gpio) in bcm63xx_gpio_get() argument
72 BUG_ON(gpio >= chip->ngpio); in bcm63xx_gpio_get()
74 if (gpio < 32) { in bcm63xx_gpio_get()
[all …]
/linux-6.12.1/tools/gpio/ !
DMakefile1 # SPDX-License-Identifier: GPL-2.0
6 # This will work when gpio is built in tools env. where srctree
11 srctree := $(patsubst %/,%,$(dir $(CURDIR)))
12 srctree := $(patsubst %/,%,$(dir $(srctree)))
15 # Do not use make's built-in rules
16 # (this improves performance and avoids hard-to-debug behaviour);
17 MAKEFLAGS += -r
19 override CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
21 ALL_TARGETS := lsgpio gpio-hammer gpio-event-mon gpio-watch
32 $(OUTPUT)include/linux/gpio.h: ../../include/uapi/linux/gpio.h
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/linux-6.12.1/arch/mips/kernel/ !
Dgpio_txx9.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * A gpio chip driver for TXx9 SoCs
10 #include <linux/gpio/driver.h>
21 return !!(__raw_readl(&txx9_pioptr->din) & (1 << offset)); in txx9_gpio_get()
27 val = __raw_readl(&txx9_pioptr->dout); in txx9_gpio_set_raw()
32 __raw_writel(val, &txx9_pioptr->dout); in txx9_gpio_set_raw()
49 __raw_writel(__raw_readl(&txx9_pioptr->dir) & ~(1 << offset), in txx9_gpio_dir_in()
50 &txx9_pioptr->dir); in txx9_gpio_dir_in()
62 __raw_writel(__raw_readl(&txx9_pioptr->dir) | (1 << offset), in txx9_gpio_dir_out()
63 &txx9_pioptr->dir); in txx9_gpio_dir_out()
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