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/OK3568_Linux_fs/kernel/drivers/tty/serial/
H A Dserial_mctrl_gpio.c1 // SPDX-License-Identifier: GPL-2.0+
10 #include <linux/irq.h>
22 int irq[UART_GPIO_MAX]; member
45 void mctrl_gpio_set(struct mctrl_gpios *gpios, unsigned int mctrl) in mctrl_gpio_set() argument
52 if (gpios == NULL) in mctrl_gpio_set()
56 if (gpios->gpio[i] && mctrl_gpio_flags_is_dir_out(i)) { in mctrl_gpio_set()
57 desc_array[count] = gpios->gpio[i]; in mctrl_gpio_set()
66 struct gpio_desc *mctrl_gpio_to_gpiod(struct mctrl_gpios *gpios, in mctrl_gpio_to_gpiod() argument
69 if (gpios == NULL) in mctrl_gpio_to_gpiod()
72 return gpios->gpio[gidx]; in mctrl_gpio_to_gpiod()
[all …]
/OK3568_Linux_fs/kernel/drivers/hsi/clients/
H A Dnokia-modem.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * nokia-modem.c
33 struct nokia_modem_gpio *gpios; member
46 dev_info(modem->device, "CMT rst line change detected\n"); in do_nokia_modem_rst_ind_tasklet()
48 if (modem->ssi_protocol) in do_nokia_modem_rst_ind_tasklet()
49 ssip_reset_event(modem->ssi_protocol); in do_nokia_modem_rst_ind_tasklet()
52 static irqreturn_t nokia_modem_rst_ind_isr(int irq, void *data) in nokia_modem_rst_ind_isr() argument
56 tasklet_schedule(&modem->nokia_modem_rst_ind_tasklet); in nokia_modem_rst_ind_isr()
66 for (i = 0; i < modem->gpio_amount; i++) { in nokia_modem_gpio_unexport()
67 sysfs_remove_link(&dev->kobj, modem->gpios[i].name); in nokia_modem_gpio_unexport()
[all …]
/OK3568_Linux_fs/kernel/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
48 unsigned int *irq; 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()
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/OK3568_Linux_fs/kernel/Documentation/driver-api/gpio/
H A Dlegacy.rst13 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
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H A Dconsumer.rst6 it describes the new descriptor-based interface. For a description of the
7 deprecated integer-based GPIO interface please refer to gpio-legacy.txt.
10 Guidelines for GPIOs consumers
15 obtain and use GPIOs are available by including the following file:
23 - Simple compile coverage with e.g. COMPILE_TEST - it does not matter that
27 - Truly optional GPIOLIB support - where the driver does not really make use
28 of the GPIOs on certain compile-time configurations for certain systems, but
29 will use it under other compile-time configurations. In this case the
33 All the functions that work with the descriptor-based GPIO interface are
40 Obtaining and Disposing GPIOs
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/OK3568_Linux_fs/kernel/drivers/gpio/
H A Dgpio-davinci.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (c) 2006-2007 David Brownell
15 #include <linux/irq.h>
22 #include <linux/platform_data/gpio-davinci.h>
26 #include <asm-generic/gpio.h>
44 typedef struct irq_chip *(*gpio_get_irq_chip_cb_t)(unsigned int irq);
46 #define BINTEN 0x8 /* GPIO Interrupt Per-Bank Enable Register */
83 /*--------------------------------------------------------------------------*/
96 g = d->regs[bank]; in __davinci_direction()
97 spin_lock_irqsave(&d->lock, flags); in __davinci_direction()
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H A Dgpiolib.c1 // SPDX-License-Identifier: GPL-2.0
6 #include <linux/irq.h>
26 #include "gpiolib-of.h"
27 #include "gpiolib-acpi.h"
28 #include "gpiolib-cdev.h"
29 #include "gpiolib-sysfs.h"
38 * The GPIO programming interface allows for inlining speed-critical
39 * get/set operations for common cases, so that access to SOC-integrated
40 * GPIOs can sometimes cost only an instruction or two per bit.
56 /* Device and char device-related information */
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H A Dgpiolib-acpi.c1 // SPDX-License-Identifier: GPL-2.0
22 #include "gpiolib-acpi.h"
24 static int run_edge_events_on_boot = -1;
27 "Run edge _AEI event-handlers at boot: 0=no, 1=yes, -1=auto");
41 * struct acpi_gpio_event - ACPI GPIO event handler data
43 * @node: list-entry of the events list of the struct acpi_gpio_chip
44 * @handle: handle of ACPI method to execute when the IRQ triggers
45 * @handler: handler function to pass to request_irq() when requesting the IRQ
47 * @irq: Linux IRQ number for the event, for request_irq() / free_irq()
48 * @irqflags: flags to pass to request_irq() when requesting the IRQ
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/OK3568_Linux_fs/kernel/sound/soc/
H A Dsoc-jack.c1 // 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()
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/OK3568_Linux_fs/kernel/drivers/staging/olpc_dcon/
H A Dolpc_dcon_xo_1_5.c1 // SPDX-License-Identifier: GPL-2.0
36 #define VX855_GENL_PURPOSE_OUTPUT 0x44c /* PMIO_Rx4c-4f */
68 static struct gpio_desc *gpios[3]; variable
72 /* irq status will appear in PMIO_Rx50[6] (RW1C) on gpio12 */ in dcon_clear_irq()
80 /* irq status will appear in PMIO_Rx50[6] on gpio12 */ in dcon_was_irq()
88 unsigned int irq; in dcon_init_xo_1_5() local
94 gpios_table.dev_id = dev_name(&dcon->client->dev); in dcon_init_xo_1_5()
99 gpios[i] = devm_gpiod_get(&dcon->client->dev, pin[i].name, in dcon_init_xo_1_5()
101 if (IS_ERR(gpios[i])) { in dcon_init_xo_1_5()
102 ret = PTR_ERR(gpios[i]); in dcon_init_xo_1_5()
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H A Dolpc_dcon_xo_1.c1 // 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()
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()
75 gpiod_direction_input(gpios[OLPC_DCON_STAT0]); in dcon_init_xo_1()
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/OK3568_Linux_fs/kernel/include/linux/gpio/
H A Ddriver.h1 /* SPDX-License-Identifier: GPL-2.0 */
7 #include <linux/irq.h>
12 #include <linux/pinctrl/pinconf-generic.h>
30 * struct gpio_irq_chip - GPIO interrupt controller
36 * GPIO IRQ chip implementation, provided by GPIO driver.
44 * hwirq number and Linux IRQ number.
51 * Table of interrupt domain operations for this IRQ chip.
67 * If non-NULL, will be set as the parent of this GPIO interrupt
68 * controller's IRQ domain to establish a hierarchical interrupt
77 * This callback translates a child hardware IRQ offset to a parent
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/OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/sound/
H A Dak4118.txt7 - compatible : "asahi-kasei,ak4118"
8 - reg : The I2C address of the device for I2C
9 - reset-gpios: A GPIO specifier for the reset pin
10 - irq-gpios: A GPIO specifier for the IRQ pin
16 #sound-dai-cells = <0>;
17 compatible = "asahi-kasei,ak4118";
19 reset-gpios = <&gpio 0 GPIO_ACTIVE_LOW>
20 irq-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
/OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/input/touchscreen/
H A Dzforce_ts.txt4 - compatible: must be "neonode,zforce"
5 - reg: I2C address of the chip
6 - interrupts: interrupt to which the chip is connected
7 - reset-gpios: reset gpio the chip is connected to
8 - x-size: horizontal resolution of touchscreen
9 - y-size: vertical resolution of touchscreen
12 - irq-gpios : interrupt gpio the chip is connected to
13 - vdd-supply: Regulator controlling the controller supply
24 vdd-supply = <&reg_zforce_vdd>;
26 reset-gpios = <&gpio5 9 0>; /* RST */
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H A Dgoodix.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Dmitry Torokhov <dmitry.torokhov@gmail.com>
13 - $ref: touchscreen.yaml#
18 - goodix,gt1151
19 - goodix,gt5663
20 - goodix,gt5688
21 - goodix,gt911
22 - goodix,gt9110
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/OK3568_Linux_fs/kernel/drivers/pcmcia/
H A Dpxa2xx_hx4700.c1 // SPDX-License-Identifier: GPL-2.0-only
10 #include <linux/irq.h>
12 #include <asm/mach-types.h>
17 static struct gpio gpios[] = { variable
26 ret = gpio_request_array(gpios, ARRAY_SIZE(gpios)); in hx4700_pcmcia_hw_init()
31 * IRQ type must be set before soc_pcmcia_hw_init() calls request_irq(). in hx4700_pcmcia_hw_init()
32 * The asic3 default IRQ type is level trigger low level detect, exactly in hx4700_pcmcia_hw_init()
34 * If the IRQ type is not changed, the asic3 interrupt handler will loop in hx4700_pcmcia_hw_init()
39 skt->stat[SOC_STAT_CD].gpio = GPIOD4_CF_nCD; in hx4700_pcmcia_hw_init()
40 skt->stat[SOC_STAT_CD].name = "PCMCIA CD"; in hx4700_pcmcia_hw_init()
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/OK3568_Linux_fs/kernel/arch/arm/boot/dts/
H A Dste-nomadik-nhk15.dts1 // SPDX-License-Identifier: GPL-2.0
6 /dts-v1/;
7 #include <dt-bindings/interrupt-controller/irq.h>
8 #include <dt-bindings/gpio/gpio.h>
9 #include "ste-nomadik-stn8815.dtsi"
13 compatible = "st,nomadik-nhk-15";
22 stmpe-i2c0 = &stmpe0;
23 stmpe-i2c1 = &stmpe1;
39 pins = "GPIO76_B20"; // IRQ line
51 pins = "GPIO78_A8"; // IRQ line
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H A Demev2-kzm9d.dts1 // SPDX-License-Identifier: GPL-2.0
7 /dts-v1/;
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/input/input.h>
12 #include <dt-bindings/interrupt-controller/irq.h>
29 stdout-path = "serial1:115200n8";
33 compatible = "gpio-keys";
35 debounce-interval = <50>;
36 wakeup-source;
37 label = "DSW2-1";
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H A Dexynos5250-snow-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/clock/maxim,max77686.h>
10 #include <dt-bindings/interrupt-controller/irq.h>
11 #include <dt-bindings/input/input.h>
12 #include <dt-bindings/sound/samsung-i2s.h>
27 stdout-path = "serial3:115200n8";
30 gpio-keys {
31 compatible = "gpio-keys";
32 pinctrl-names = "default";
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H A Ds5pv210-aries.dtsi1 // SPDX-License-Identifier: GPL-2.0
6 /dts-v1/;
7 #include <dt-bindings/gpio/gpio.h>
8 #include <dt-bindings/interrupt-controller/irq.h>
32 reserved-memory {
33 #address-cells = <1>;
34 #size-cells = <1>;
38 compatible = "shared-dma-pool";
39 no-map;
44 compatible = "shared-dma-pool";
[all …]
H A Dstm32mp15xx-dhcom-pdk2.dtsi1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
3 * Copyright (C) 2019-2020 Marek Vasut <marex@denx.de>
6 #include <dt-bindings/input/input.h>
7 #include <dt-bindings/pwm/pwm.h>
17 stdout-path = "serial0:115200n8";
20 clk_ext_audio_codec: clock-codec {
21 compatible = "fixed-clock";
22 #clock-cells = <0>;
23 clock-frequency = <24000000>;
26 display_bl: display-bl {
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H A Dr8a73a4-ape6evm.dts1 // SPDX-License-Identifier: GPL-2.0
8 /dts-v1/;
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/input/input.h>
23 stdout-path = "serial0:115200n8";
36 vcc_mmc0: regulator-mmc0 {
37 compatible = "regulator-fixed";
38 regulator-name = "MMC0 Vcc";
39 regulator-min-microvolt = <2800000>;
40 regulator-max-microvolt = <2800000>;
[all …]
/OK3568_Linux_fs/u-boot/drivers/input/
H A Dkey-uclass.c4 * SPDX-License-Identifier: GPL-2.0+
11 #include <irq-generic.h>
14 #include <dm/uclass-internal.h>
38 return (cntpct > base) ? (cntpct - base) : 0; in key_timer()
64 if (uc_key->in_volt) { in key_adc_event()
69 debug("[%s] <%d, %d, %d>: adcval=%d -> mV=%d\n", in key_adc_event()
70 uc_key->name, uc_key->min, uc_key->center, uc_key->max, in key_adc_event()
73 return (val <= uc_key->max && val >= uc_key->min) ? in key_adc_event()
80 if (!dm_gpio_is_valid(&uc_key->gpio)) { in key_gpio_event()
81 KEY_ERR("'%s' Invalid gpio\n", uc_key->name); in key_gpio_event()
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/OK3568_Linux_fs/u-boot/include/
H A Dkey.h4 * SPDX-License-Identifier: GPL-2.0+
10 #include <asm-generic/gpio.h>
11 #include <dt-bindings/input/linux-event-codes.h>
23 KEY_PRESS_DOWN, /* press -> release */
42 u32 irq; member
43 u32 gpios[2]; /* gpios[0]: gpio controller phandle, gpios[1]: pin */ member
53 /* Only for pwrkey gpio irq */
54 void (*irq_thread)(int irq, struct udevice *dev);
/OK3568_Linux_fs/kernel/arch/arm/mach-pxa/
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
28 #include <linux/irq.h>
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
98 "CS", "IRQ", "LED" };
103 wait_event(par->waitq, gpio_get_value(RDY_GPIO_PIN)); in am300_wait_event()
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