| /kernel/linux/linux-6.6/drivers/tty/serial/ |
| D | serial_mctrl_gpio.c | 1 // SPDX-License-Identifier: GPL-2.0+
22 int irq[UART_GPIO_MAX];
23 unsigned int mctrl_prev;
29 unsigned int mctrl;
40 static bool mctrl_gpio_flags_is_dir_out(unsigned int idx) in mctrl_gpio_flags_is_dir_out()
46 * mctrl_gpio_set - set gpios according to mctrl state
47 * @gpios: gpios to set
50 * Set the gpios according to the mctrl state.
52 void mctrl_gpio_set(struct mctrl_gpios *gpios, unsigned int mctrl) in mctrl_gpio_set() argument
57 unsigned int count = 0; in mctrl_gpio_set()
[all …]
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| D | serial_mctrl_gpio.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */
29 * Opaque descriptor for modem lines controlled by GPIOs
36 * Set state of the modem control output lines via GPIOs.
38 void mctrl_gpio_set(struct mctrl_gpios *gpios, unsigned int mctrl);
41 * Get state of the modem control input lines from GPIOs.
44 unsigned int mctrl_gpio_get(struct mctrl_gpios *gpios, unsigned int *mctrl);
47 * Get state of the modem control output lines from GPIOs.
50 unsigned int
51 mctrl_gpio_get_outputs(struct mctrl_gpios *gpios, unsigned int *mctrl);
56 struct gpio_desc *mctrl_gpio_to_gpiod(struct mctrl_gpios *gpios,
[all …]
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| /kernel/linux/linux-5.10/drivers/tty/serial/ |
| D | serial_mctrl_gpio.c | 1 // SPDX-License-Identifier: GPL-2.0+
22 int irq[UART_GPIO_MAX];
23 unsigned int mctrl_prev;
29 unsigned int mctrl;
40 static bool mctrl_gpio_flags_is_dir_out(unsigned int idx) in mctrl_gpio_flags_is_dir_out()
45 void mctrl_gpio_set(struct mctrl_gpios *gpios, unsigned int mctrl) in mctrl_gpio_set() argument
50 unsigned int count = 0; in mctrl_gpio_set()
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()
[all …]
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| D | serial_mctrl_gpio.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */
29 * Opaque descriptor for modem lines controlled by GPIOs
36 * Set state of the modem control output lines via GPIOs.
38 void mctrl_gpio_set(struct mctrl_gpios *gpios, unsigned int mctrl);
41 * Get state of the modem control input lines from GPIOs.
44 unsigned int mctrl_gpio_get(struct mctrl_gpios *gpios, unsigned int *mctrl);
47 * Get state of the modem control output lines from GPIOs.
50 unsigned int
51 mctrl_gpio_get_outputs(struct mctrl_gpios *gpios, unsigned int *mctrl);
56 struct gpio_desc *mctrl_gpio_to_gpiod(struct mctrl_gpios *gpios,
[all …]
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| /kernel/linux/linux-6.6/sound/soc/ |
| D | soc-jack.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 // soc-jack.c -- ALSA SoC jack handling
21 * snd_soc_jack_report - Report the current status for a jack
34 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask) in snd_soc_jack_report()
38 unsigned int sync = 0; in snd_soc_jack_report()
40 if (!jack || !jack->jack) in snd_soc_jack_report()
44 dapm = &jack->card->dapm; in snd_soc_jack_report()
46 mutex_lock(&jack->mutex); in snd_soc_jack_report()
48 jack->status &= ~mask; in snd_soc_jack_report()
49 jack->status |= status & mask; in snd_soc_jack_report()
[all …]
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| /kernel/linux/linux-5.10/sound/soc/ |
| D | soc-jack.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 // soc-jack.c -- ALSA SoC jack handling
21 int count;
23 struct snd_soc_jack_gpio *gpios; member
27 * snd_soc_jack_report - Report the current status for a jack
40 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask) in snd_soc_jack_report()
44 unsigned int sync = 0; in snd_soc_jack_report()
45 int enable; in snd_soc_jack_report()
51 dapm = &jack->card->dapm; in snd_soc_jack_report()
53 mutex_lock(&jack->mutex); in snd_soc_jack_report()
[all …]
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| /kernel/linux/linux-5.10/drivers/watchdog/ |
| D | mena21_wdt.c | 1 // SPDX-License-Identifier: GPL-2.0+
34 struct gpio_desc *gpios[NUM_GPIOS]; member
42 static unsigned int a21_wdt_get_bootstatus(struct a21_wdt_drv *drv) in a21_wdt_get_bootstatus()
44 int reset = 0; in a21_wdt_get_bootstatus()
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()
53 static int a21_wdt_start(struct watchdog_device *wdt) in a21_wdt_start()
57 gpiod_set_value(drv->gpios[GPIO_WD_ENAB], 1); in a21_wdt_start()
62 static int a21_wdt_stop(struct watchdog_device *wdt) in a21_wdt_stop()
[all …]
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| /kernel/linux/linux-6.6/drivers/watchdog/ |
| D | mena21_wdt.c | 1 // SPDX-License-Identifier: GPL-2.0+
34 struct gpio_desc *gpios[NUM_GPIOS]; member
42 static unsigned int a21_wdt_get_bootstatus(struct a21_wdt_drv *drv) in a21_wdt_get_bootstatus()
44 int reset = 0; in a21_wdt_get_bootstatus()
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()
53 static int a21_wdt_start(struct watchdog_device *wdt) in a21_wdt_start()
57 gpiod_set_value(drv->gpios[GPIO_WD_ENAB], 1); in a21_wdt_start()
62 static int a21_wdt_stop(struct watchdog_device *wdt) in a21_wdt_stop()
[all …]
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| /kernel/linux/linux-6.6/drivers/gpio/ |
| D | gpiolib-of.c | 1 // SPDX-License-Identifier: GPL-2.0+
5 * Copyright (c) 2007-2008 MontaVista Software, Inc.
26 #include "gpiolib-of.h"
29 * This is Linux-specific flags. By default controllers' and Linux' mapping
31 * Linux-specific in their .xlate callback. Though, 1:1 mapping is recommended.
44 * of_gpio_named_count() - Count GPIOs for a device
45 * @np: device node to count GPIOs for
48 * The function returns the count of GPIOs specified for a node.
50 * Number of gpios defined in property,
51 * -EINVAL for an incorrectly formed gpios property, or
[all …]
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| /kernel/linux/linux-5.10/sound/soc/codecs/ |
| D | wm1250-ev1.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Driver for the 1250-EV1 audio I/O module
15 #include <sound/soc-dapm.h>
16 #include <sound/wm1250-ev1.h>
27 struct gpio gpios[WM1250_EV1_NUM_GPIOS]; member
30 static int wm1250_ev1_set_bias_level(struct snd_soc_component *component, in wm1250_ev1_set_bias_level()
33 struct wm1250_priv *wm1250 = dev_get_drvdata(component->dev); in wm1250_ev1_set_bias_level()
34 int ena; in wm1250_ev1_set_bias_level()
37 ena = wm1250->gpios[WM1250_EV1_GPIO_CLK_ENA].gpio; in wm1250_ev1_set_bias_level()
39 ena = -1; in wm1250_ev1_set_bias_level()
[all …]
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| /kernel/linux/linux-6.6/sound/soc/codecs/ |
| D | wm1250-ev1.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Driver for the 1250-EV1 audio I/O module
15 #include <sound/soc-dapm.h>
16 #include <sound/wm1250-ev1.h>
27 struct gpio gpios[WM1250_EV1_NUM_GPIOS]; member
30 static int wm1250_ev1_set_bias_level(struct snd_soc_component *component, in wm1250_ev1_set_bias_level()
33 struct wm1250_priv *wm1250 = dev_get_drvdata(component->dev); in wm1250_ev1_set_bias_level()
34 int ena; in wm1250_ev1_set_bias_level()
37 ena = wm1250->gpios[WM1250_EV1_GPIO_CLK_ENA].gpio; in wm1250_ev1_set_bias_level()
39 ena = -1; in wm1250_ev1_set_bias_level()
[all …]
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| /kernel/linux/linux-5.10/include/linux/ |
| D | of_gpio.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */
5 * Copyright (c) 2007-2008 MontaVista Software, Inc.
21 * This is Linux-specific flags. By default controllers' and Linux' mapping
23 * Linux-specific in their .xlate callback. Though, 1:1 mapping is recommended.
52 extern int of_get_named_gpio_flags(struct device_node *np,
53 const char *list_name, int index, enum of_gpio_flags *flags);
55 extern int of_mm_gpiochip_add_data(struct device_node *np,
58 static inline int of_mm_gpiochip_add(struct device_node *np, in of_mm_gpiochip_add()
70 static inline int of_get_named_gpio_flags(struct device_node *np, in of_get_named_gpio_flags()
71 const char *list_name, int index, enum of_gpio_flags *flags) in of_get_named_gpio_flags()
[all …]
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| /kernel/linux/linux-5.10/Documentation/driver-api/gpio/ |
| D | consumer.rst | 6 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
[all …]
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| D | legacy.rst | 13 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
[all …]
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| /kernel/linux/linux-6.6/drivers/platform/x86/siemens/ |
| D | simatic-ipc-batt.c | 1 // SPDX-License-Identifier: GPL-2.0
20 #include <linux/hwmon-sysfs.h>
25 #include <linux/platform_data/x86/simatic-ipc-base.h>
28 #include "simatic-ipc-batt.h"
39 struct gpio_desc *gpios[3]; member
47 if (priv.gpios[2]) { in simatic_ipc_batt_read_gpio()
48 gpiod_set_value(priv.gpios[2], 1); in simatic_ipc_batt_read_gpio()
52 if (gpiod_get_value_cansleep(priv.gpios[0])) in simatic_ipc_batt_read_gpio()
54 else if (gpiod_get_value_cansleep(priv.gpios[1])) in simatic_ipc_batt_read_gpio()
57 if (priv.gpios[2]) in simatic_ipc_batt_read_gpio()
[all …]
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| /kernel/linux/linux-5.10/drivers/pinctrl/qcom/ |
| D | pinctrl-qdf2xxx.c | 1 // SPDX-License-Identifier: GPL-2.0-only
6 * device. The driver which controls this device is pinctrl-msm.c. Each
8 * with pinctrl-msm.c. This means that all TLMM drivers are pin control
11 * This pin control driver is intended to be used only an ACPI-enabled
14 * a GPIO-only driver. The alternative is to duplicate the GPIO code of
15 * pinctrl-msm.c into another driver.
23 #include "pinctrl-msm.h"
31 static int qdf2xxx_pinctrl_probe(struct platform_device *pdev) in qdf2xxx_pinctrl_probe()
37 unsigned int i; in qdf2xxx_pinctrl_probe()
39 unsigned int avail_gpios; /* The number of GPIOs we support */ in qdf2xxx_pinctrl_probe()
[all …]
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| /kernel/linux/linux-6.6/drivers/pinctrl/qcom/ |
| D | pinctrl-qdf2xxx.c | 1 // SPDX-License-Identifier: GPL-2.0-only
6 * device. The driver which controls this device is pinctrl-msm.c. Each
8 * with pinctrl-msm.c. This means that all TLMM drivers are pin control
11 * This pin control driver is intended to be used only an ACPI-enabled
14 * a GPIO-only driver. The alternative is to duplicate the GPIO code of
15 * pinctrl-msm.c into another driver.
23 #include "pinctrl-msm.h"
31 static int qdf2xxx_pinctrl_probe(struct platform_device *pdev) in qdf2xxx_pinctrl_probe()
37 unsigned int i; in qdf2xxx_pinctrl_probe()
39 unsigned int avail_gpios; /* The number of GPIOs we support */ in qdf2xxx_pinctrl_probe()
[all …]
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| /kernel/linux/linux-6.6/Documentation/driver-api/gpio/ |
| D | consumer.rst | 6 it describes the new descriptor-based interface. For a description of the
7 deprecated integer-based GPIO interface please refer to legacy.rst.
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
[all …]
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| /kernel/linux/linux-5.10/drivers/gpu/drm/panel/ |
| D | panel-ronbo-rb070d30.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2018-2019, Bridge Systems BV
4 * Copyright (C) 2018-2019, Bootlin
7 * This file based on panel-ilitek-ili9881c.c
16 #include <linux/media-bus-format.h>
37 } gpios; member
45 static int rb070d30_panel_prepare(struct drm_panel *panel) in rb070d30_panel_prepare()
48 int ret; in rb070d30_panel_prepare()
50 ret = regulator_enable(ctx->supply); in rb070d30_panel_prepare()
52 dev_err(&ctx->dsi->dev, "Failed to enable supply: %d\n", ret); in rb070d30_panel_prepare()
[all …]
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| /kernel/linux/linux-6.6/drivers/net/mdio/ |
| D | mdio-mux-gpio.c | 1 // SPDX-License-Identifier: GPL-2.0
8 #include <linux/mdio-mux.h>
18 struct gpio_descs *gpios; member
22 static int mdio_mux_gpio_switch_fn(int current_child, int desired_child, in mdio_mux_gpio_switch_fn()
33 gpiod_set_array_value_cansleep(s->gpios->ndescs, s->gpios->desc, in mdio_mux_gpio_switch_fn()
34 s->gpios->info, values); in mdio_mux_gpio_switch_fn()
39 static int mdio_mux_gpio_probe(struct platform_device *pdev) in mdio_mux_gpio_probe()
42 struct gpio_descs *gpios; in mdio_mux_gpio_probe() local
43 int r; in mdio_mux_gpio_probe()
45 gpios = devm_gpiod_get_array(&pdev->dev, NULL, GPIOD_OUT_LOW); in mdio_mux_gpio_probe()
[all …]
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| /kernel/linux/linux-5.10/drivers/net/mdio/ |
| D | mdio-mux-gpio.c | 1 // SPDX-License-Identifier: GPL-2.0
8 #include <linux/mdio-mux.h>
18 struct gpio_descs *gpios; member
22 static int mdio_mux_gpio_switch_fn(int current_child, int desired_child, in mdio_mux_gpio_switch_fn()
33 gpiod_set_array_value_cansleep(s->gpios->ndescs, s->gpios->desc, in mdio_mux_gpio_switch_fn()
34 s->gpios->info, values); in mdio_mux_gpio_switch_fn()
39 static int mdio_mux_gpio_probe(struct platform_device *pdev) in mdio_mux_gpio_probe()
42 struct gpio_descs *gpios; in mdio_mux_gpio_probe() local
43 int r; in mdio_mux_gpio_probe()
45 gpios = devm_gpiod_get_array(&pdev->dev, NULL, GPIOD_OUT_LOW); in mdio_mux_gpio_probe()
[all …]
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/sound/ |
| D | nvidia,tegra-audio-wm8903.txt | 4 - compatible : "nvidia,tegra-audio-wm8903"
5 - clocks : Must contain an entry for each entry in clock-names.
6 See ../clocks/clock-bindings.txt for details.
7 - clock-names : Must include the following entries:
8 - pll_a
9 - pll_a_out0
10 - mclk (The Tegra cdev1/extern1 clock, which feeds the CODEC's mclk)
11 - nvidia,model : The user-visible name of this sound complex.
12 - nvidia,audio-routing : A list of the connections between audio components.
19 * Int Spk
[all …]
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| /kernel/linux/linux-6.6/drivers/gpu/drm/panel/ |
| D | panel-ronbo-rb070d30.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2018-2019, Bridge Systems BV
4 * Copyright (C) 2018-2019, Bootlin
7 * This file based on panel-ilitek-ili9881c.c
15 #include <linux/media-bus-format.h>
37 } gpios; member
45 static int rb070d30_panel_prepare(struct drm_panel *panel) in rb070d30_panel_prepare()
48 int ret; in rb070d30_panel_prepare()
50 ret = regulator_enable(ctx->supply); in rb070d30_panel_prepare()
52 dev_err(&ctx->dsi->dev, "Failed to enable supply: %d\n", ret); in rb070d30_panel_prepare()
[all …]
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| /kernel/linux/linux-6.6/drivers/hwmon/ |
| D | gpio-fan.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * gpio-fan.c - Hwmon driver for fans connected to GPIO lines.
26 int rpm;
27 int ctrl_val;
35 struct mutex lock; /* lock GPIOs operations. */
36 int num_gpios;
37 struct gpio_desc **gpios; member
38 int num_speed;
40 int speed_index;
41 int resume_speed;
[all …]
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| /kernel/linux/linux-5.10/drivers/hwmon/ |
| D | gpio-fan.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * gpio-fan.c - Hwmon driver for fans connected to GPIO lines.
25 int rpm;
26 int ctrl_val;
34 struct mutex lock; /* lock GPIOs operations. */
35 int num_gpios;
36 struct gpio_desc **gpios; member
37 int num_speed;
39 int speed_index;
41 int resume_speed;
[all …]
|