| /kernel/linux/linux-4.19/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 void mctrl_gpio_set(struct mctrl_gpios *gpios, unsigned int mctrl) in mctrl_gpio_set() argument
44 int value_array[UART_GPIO_MAX]; in mctrl_gpio_set()
45 unsigned int count = 0; in mctrl_gpio_set()
47 if (gpios == NULL) in mctrl_gpio_set()
51 if (gpios->gpio[i] && mctrl_gpios_desc[i].dir_out) { in mctrl_gpio_set()
52 desc_array[count] = gpios->gpio[i]; in mctrl_gpio_set()
[all …]
|
| 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 …]
|
| /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 …]
|
| 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 …]
|
| /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 …]
|
| /kernel/linux/linux-4.19/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_component_set_jack - configure component jack.
34 int snd_soc_component_set_jack(struct snd_soc_component *component, in snd_soc_component_set_jack()
37 if (component->driver->set_jack) in snd_soc_component_set_jack()
38 return component->driver->set_jack(component, jack, data); in snd_soc_component_set_jack()
40 return -ENOTSUPP; in snd_soc_component_set_jack()
45 * snd_soc_card_jack_new - Create a new jack
[all …]
|
| /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 …]
|
| /kernel/linux/linux-4.19/drivers/net/phy/ |
| D | mdio-mux-gpio.c | 14 #include <linux/mdio-mux.h>
21 struct gpio_descs *gpios; member
23 int values[];
26 static int mdio_mux_gpio_switch_fn(int current_child, int desired_child, in mdio_mux_gpio_switch_fn()
30 unsigned int n; in mdio_mux_gpio_switch_fn()
35 for (n = 0; n < s->gpios->ndescs; n++) in mdio_mux_gpio_switch_fn()
36 s->values[n] = (desired_child >> n) & 1; in mdio_mux_gpio_switch_fn()
38 gpiod_set_array_value_cansleep(s->gpios->ndescs, s->gpios->desc, in mdio_mux_gpio_switch_fn()
39 s->values); in mdio_mux_gpio_switch_fn()
44 static int mdio_mux_gpio_probe(struct platform_device *pdev) in mdio_mux_gpio_probe()
[all …]
|
| /kernel/linux/linux-4.19/drivers/watchdog/ |
| D | mena21_wdt.c | 1 // SPDX-License-Identifier: GPL-2.0+
34 unsigned 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 |= gpio_get_value(drv->gpios[GPIO_WD_RST0]) ? (1 << 0) : 0; in a21_wdt_get_bootstatus()
47 reset |= gpio_get_value(drv->gpios[GPIO_WD_RST1]) ? (1 << 1) : 0; in a21_wdt_get_bootstatus()
48 reset |= gpio_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 gpio_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 …]
|
| /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 …]
|
| /kernel/linux/linux-4.19/sound/soc/codecs/ |
| D | wm1250-ev1.c | 2 * Driver for the 1250-EV1 audio I/O module
20 #include <sound/soc-dapm.h>
21 #include <sound/wm1250-ev1.h>
32 struct gpio gpios[WM1250_EV1_NUM_GPIOS]; member
35 static int wm1250_ev1_set_bias_level(struct snd_soc_component *component, in wm1250_ev1_set_bias_level()
38 struct wm1250_priv *wm1250 = dev_get_drvdata(component->dev); in wm1250_ev1_set_bias_level()
39 int ena; in wm1250_ev1_set_bias_level()
42 ena = wm1250->gpios[WM1250_EV1_GPIO_CLK_ENA].gpio; in wm1250_ev1_set_bias_level()
44 ena = -1; in wm1250_ev1_set_bias_level()
68 SND_SOC_DAPM_ADC("ADC", "wm1250-ev1 Capture", SND_SOC_NOPM, 0, 0),
[all …]
|
| /kernel/linux/linux-4.19/drivers/i2c/muxes/ |
| D | i2c-mux-gpio.c | 12 #include <linux/i2c-mux.h>
13 #include <linux/platform_data/i2c-mux-gpio.h>
24 struct gpio_desc **gpios; member
25 int *values;
30 int i; in i2c_mux_gpio_set()
32 for (i = 0; i < mux->data.n_gpios; i++) in i2c_mux_gpio_set()
33 mux->values[i] = (val >> i) & 1; in i2c_mux_gpio_set()
35 gpiod_set_array_value_cansleep(mux->data.n_gpios, in i2c_mux_gpio_set()
36 mux->gpios, mux->values); in i2c_mux_gpio_set()
39 static int i2c_mux_gpio_select(struct i2c_mux_core *muxc, u32 chan) in i2c_mux_gpio_select()
[all …]
|
| /kernel/linux/linux-4.19/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 …]
|
| 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 …]
|
| /kernel/linux/linux-4.19/include/linux/ |
| D | of_gpio.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */
5 * Copyright (c) 2007-2008 MontaVista Software, Inc.
22 * This is Linux-specific flags. By default controllers' and Linux' mapping
24 * Linux-specific in their .xlate callback. Though, 1:1 mapping is recommended.
49 extern int of_get_named_gpio_flags(struct device_node *np,
50 const char *list_name, int index, enum of_gpio_flags *flags);
52 extern int of_mm_gpiochip_add_data(struct device_node *np,
55 static inline int of_mm_gpiochip_add(struct device_node *np, in of_mm_gpiochip_add()
62 extern int of_gpio_simple_xlate(struct gpio_chip *gc,
69 static inline int of_get_named_gpio_flags(struct device_node *np, in of_get_named_gpio_flags()
[all …]
|
| /kernel/linux/linux-4.19/drivers/regulator/ |
| D | gpio-regulator.c | 2 * gpio-regulator.c
13 * Roger Quadros <ext-roger.quadros@nokia.com>
21 * non-controllable regulators, as well as for allowing testing on
32 #include <linux/regulator/gpio-regulator.h>
42 struct gpio *gpios; member
43 int nr_gpios;
46 int nr_states;
48 int state;
51 static int gpio_regulator_get_value(struct regulator_dev *dev) in gpio_regulator_get_value()
54 int ptr; in gpio_regulator_get_value()
[all …]
|
| /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 …]
|
| /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 …]
|
| 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 …]
|
| /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 …]
|
| /kernel/linux/linux-4.19/drivers/pinctrl/qcom/ |
| D | pinctrl-qdf2xxx.c | 14 * device. The driver which controls this device is pinctrl-msm.c. Each
16 * with pinctrl-msm.c. This means that all TLMM drivers are pin control
19 * This pin control driver is intended to be used only an ACPI-enabled
22 * a GPIO-only driver. The alternative is to duplicate the GPIO code of
23 * pinctrl-msm.c into another driver.
31 #include "pinctrl-msm.h"
39 static int qdf2xxx_pinctrl_probe(struct platform_device *pdev) in qdf2xxx_pinctrl_probe()
45 unsigned int i; in qdf2xxx_pinctrl_probe()
47 unsigned int avail_gpios; /* The number of GPIOs we support */ in qdf2xxx_pinctrl_probe()
48 u8 gpios[MAX_GPIOS]; /* An array of supported GPIOs */ in qdf2xxx_pinctrl_probe() local
[all …]
|
| /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 …]
|
| /kernel/linux/linux-5.10/drivers/net/mdio/ |
| D | mdio-mux-gpio.c | 1 // SPDX-License-Identifier: GPL-2.0
11 #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 …]
|
| /kernel/linux/linux-4.19/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 …]
|
| /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 …]
|