| /linux-6.12.1/Documentation/devicetree/bindings/iio/proximity/ |
| D | devantech-srf04.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/iio/proximity/devantech-srf04.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Andreas Klinger <ak@it-klinger.de>
13 Bit-banging driver using two GPIOs:
14 - trigger-gpio is raised by the driver to start sending out an ultrasonic
16 - echo-gpio is held high by the sensor after sending ultrasonic burst
20 https://www.robot-electronics.co.uk/htm/srf04tech.htm
22 https://www.maxbotix.com/documents/LV-MaxSonar-EZ_Datasheet.pdf
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| /linux-6.12.1/arch/arm/boot/dts/nxp/lpc/ |
| D | lpc3250-phy3250.dts | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * PHYTEC phyCORE-LPC3250 board
5 * Copyright (C) 2015-2019 Vladimir Zapolskiy <vz@mleia.com>
9 /dts-v1/;
13 model = "PHYTEC phyCORE-LPC3250 board based on NXP LPC3250";
22 compatible = "gpio-leds";
25 gpios = <&gpio 5 1 0>; /* GPO_P3 1, GPIO 80, active high */
26 default-state = "off";
30 gpios = <&gpio 5 14 0>; /* GPO_P3 14, GPIO 93, active high */
31 linux,default-trigger = "heartbeat";
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| /linux-6.12.1/arch/arm/boot/dts/st/ |
| D | spear1310-evb.dts | 1 // SPDX-License-Identifier: GPL-2.0-or-later
8 /dts-v1/;
13 compatible = "st,spear1310-evb", "st,spear1310";
14 #address-cells = <1>;
15 #size-cells = <1>;
23 pinctrl-names = "default";
24 pinctrl-0 = <&state_default>;
63 smi-pmx {
127 label = "u-boot";
149 compatible = "gpio-keys";
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| D | spear1340-evb.dts | 1 // SPDX-License-Identifier: GPL-2.0-or-later
8 /dts-v1/;
13 compatible = "st,spear1340-evb", "st,spear1340";
14 #address-cells = <1>;
15 #size-cells = <1>;
23 pinctrl-names = "default";
24 pinctrl-0 = <&state_default>;
47 spdif-in {
51 spdif-out {
59 smi-pmx {
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| /linux-6.12.1/Documentation/ABI/testing/ |
| D | sysfs-bus-iio-trigger-sysfs | 3 Contact: linux-iio@vger.kernel.org
5 This file is provided by the iio-trig-sysfs stand-alone trigger
10 are not applicable. For example no RTC or spare GPIOs.
15 Contact: linux-iio@vger.kernel.org
24 Contact: linux-iio@vger.kernel.org
26 This attribute is provided by the iio-trig-sysfs stand-alone
35 Contact: linux-iio@vger.kernel.org
|
| /linux-6.12.1/drivers/iio/proximity/ |
| D | srf04.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * SRF04: ultrasonic sensor for distance measuring by using GPIOs
5 * Copyright (c) 2017 Andreas Klinger <ak@it-klinger.de>
8 * https://www.robot-electronics.co.uk/htm/srf04tech.htm
12 * +---+
14 * trig: --+ +------------------------------------------------------
16 * |<->|
19 * ultra +-+ +-+ +-+
21 * burst: ---------+ +-+ +-+ +-----------------------------------------
23 * ultra . +-+ +-+ +-+
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| D | sx9500.c | 1 // SPDX-License-Identifier: GPL-2.0-only
77 #define SX9500_CHAN_MASK GENMASK(SX9500_NUM_CHANNELS - 1, 0)
82 struct iio_trigger *trig; member
171 regmap_reg_range(SX9500_REG_IRQ_MSK + 1, SX9500_REG_PROX_CTRL0 - 1),
172 regmap_reg_range(SX9500_REG_PROX_CTRL8 + 1, SX9500_REG_SENSOR_SEL - 1),
173 regmap_reg_range(SX9500_REG_OFFSET_LSB + 1, SX9500_REG_RESET - 1),
212 return regmap_set_bits(data->regmap, reg, bitmask); in sx9500_inc_users()
218 (*counter)--; in sx9500_dec_users()
223 return regmap_clear_bits(data->regmap, reg, bitmask); in sx9500_dec_users()
228 return sx9500_inc_users(data, &data->channel_users[chan], in sx9500_inc_chan_users()
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| /linux-6.12.1/drivers/iio/adc/ |
| D | ad7606.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
42 * struct ad7606_chip_info - chip specific information
62 * struct ad7606_state - driver instance specific data
77 * @lock protect sensor state from concurrent accesses to GPIOs
79 * @gpio_reset GPIO descriptor for device hard-reset
81 * @gpio_standby GPIO descriptor for stand-by signal (STBY),
82 * controls power-down mode of device
87 * @trig The IIO trigger associated with the device.
113 struct iio_trigger *trig; member
119 * 16 * 16-bit samples + 64-bit timestamp
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| D | ad7266.c | 1 // SPDX-License-Identifier: GPL-2.0-only
38 struct gpio_desc *gpios[3]; member
55 return spi_read(st->spi, &st->data.sample[0], 2); in ad7266_wakeup()
61 return spi_read(st->spi, &st->data.sample[0], 1); in ad7266_powerdown()
84 struct iio_dev *indio_dev = pf->indio_dev; in ad7266_trigger_handler()
88 ret = spi_read(st->spi, st->data.sample, 4); in ad7266_trigger_handler()
90 iio_push_to_buffers_with_timestamp(indio_dev, &st->data, in ad7266_trigger_handler()
91 pf->timestamp); in ad7266_trigger_handler()
94 iio_trigger_notify_done(indio_dev->trig); in ad7266_trigger_handler()
103 if (st->fixed_addr) in ad7266_select_input()
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| D | ad7944.c | 1 // SPDX-License-Identifier: GPL-2.0-only
37 /* datasheet calls this "4-wire mode" */
39 /* datasheet calls this "3-wire mode" (not related to SPI_3WIRE!) */
45 /* maps adi,spi-mode property value to enum */
58 /* Chip-specific timing specifications. */
64 /* Indicates TURBO is hard-wired to be always enabled. */
102 * AD7944_DEFINE_CHIP_INFO - Define a chip info structure for a specific chip
131 /* pseudo-differential with ground sense */
140 unsigned int t_conv_ns = adc->always_turbo ? adc->timing_spec->turbo_conv_ns in ad7944_3wire_cs_mode_init_msg()
141 : adc->timing_spec->conv_ns; in ad7944_3wire_cs_mode_init_msg()
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| D | ti-ads7950.c | 1 // SPDX-License-Identifier: GPL-2.0
12 * Copyright (C) 2013 Texas Instruments Incorporated - https://www.ti.com/
36 * Device tree users encode that via the vref-supply regulator.
54 (((val) >> (dec)) & ((1 << (bits)) - 1))
61 (TI_ADS7950_MAN_CMD(TI_ADS7950_CR_WRITE | st->cmd_settings_bitmask))
64 (TI_ADS7950_GPIO_CMD(st->gpio_cmd_settings_bitmask))
84 * [0-3] GPIO signal
95 * [0-3] GPIO direction
96 * [4-6] Different GPIO alarm mode configurations
100 * [10-11] N/A
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| /linux-6.12.1/arch/arm/boot/dts/qcom/ |
| D | qcom-apq8060-dragonboard.dts | 1 // SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 #include <dt-bindings/input/input.h>
3 #include <dt-bindings/gpio/gpio.h>
4 #include <dt-bindings/leds/common.h>
5 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
6 #include <dt-bindings/pinctrl/qcom,pmic-mpp.h>
7 #include "qcom-msm8660.dtsi"
12 compatible = "qcom,apq8060-dragonboard", "qcom,msm8660";
19 stdout-path = "serial0:115200n8";
23 vph: regulator-fixed {
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| /linux-6.12.1/drivers/iio/resolver/ |
| D | ad2s1210.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (c) 2010-2010 Analog Devices Inc.
11 * ----------------------------|------|-------------------------------------------
23 * Resolution | D1:0 | *device tree: assigned-resolution-bits*
34 * ----------------------------------------|----|---------------------------------
152 /* adi,fixed-mode property - only valid when mode_gpios == NULL. */
177 struct gpio_descs *gpios = st->mode_gpios; in ad2s1210_set_mode() local
180 if (!gpios) in ad2s1210_set_mode()
181 return mode == st->fixed_mode ? 0 : -EOPNOTSUPP; in ad2s1210_set_mode()
185 return gpiod_set_array_value(gpios->ndescs, gpios->desc, gpios->info, in ad2s1210_set_mode()
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| /linux-6.12.1/drivers/pinctrl/mvebu/ |
| D | pinctrl-armada-xp.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
7 * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
12 * both have 67 MPP pins (more GPIOs and address lines for the memory
26 #include "pinctrl-mvebu.h"
129 MPP_VAR_FUNCTION(0x3, "ptp", "trig", V_MV78230_PLUS),
177 MPP_VAR_FUNCTION(0x1, "ptp", "trig", V_MV78230_PLUS),
189 MPP_VAR_FUNCTION(0x4, "lcd", "ref-clk", V_MV78230_PLUS)),
235 MPP_VAR_FUNCTION(0x4, "lcd", "vga-hsync", V_MV78230_PLUS),
243 MPP_VAR_FUNCTION(0x4, "lcd", "vga-vsync", V_MV78230_PLUS),
480 .compatible = "marvell,mv78230-pinctrl",
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| /linux-6.12.1/drivers/nfc/pn544/ |
| D | i2c.c | 1 // SPDX-License-Identifier: GPL-2.0-only
10 #include <linux/crc-ccitt.h>
132 #define PN544_FW_I2C_WRITE_DATA_MAX_LEN MIN((PN544_FW_I2C_MAX_PAYLOAD -\
136 #define PN544_FW_SECURE_CHUNK_WRITE_DATA_MAX_LEN (PN544_FW_I2C_MAX_PAYLOAD -\
183 16, 1, (skb)->data, (skb)->len, 0); \
192 nfc_info(&phy->i2c_dev->dev, "Detecting nfc_en polarity\n"); in pn544_hci_i2c_platform_init()
195 gpiod_set_value_cansleep(phy->gpiod_fw, 0); in pn544_hci_i2c_platform_init()
198 phy->en_polarity = polarity; in pn544_hci_i2c_platform_init()
200 while (retry--) { in pn544_hci_i2c_platform_init()
202 gpiod_set_value_cansleep(phy->gpiod_en, !phy->en_polarity); in pn544_hci_i2c_platform_init()
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| /linux-6.12.1/drivers/pinctrl/intel/ |
| D | pinctrl-baytrail.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (c) 2012-2013, Intel Corporation
28 #include <linux/pinctrl/pinconf-generic.h>
30 #include "pinctrl-intel.h"
570 offset -= comm->pin_base; in byt_gpio_reg()
579 reg_offset = comm->pad_map[offset] * 16; in byt_gpio_reg()
583 return comm->pad_regs + reg_offset + reg; in byt_gpio_reg()
606 dev_warn(vg->dev, "Group %s, pin %i not muxed (can't retrieve CONF0)\n", in byt_set_group_simple_mux()
632 dev_warn(vg->dev, "Group %s, pin %i not muxed (can't retrieve CONF0)\n", in byt_set_group_mixed_mux()
648 const struct intel_function func = vg->soc->functions[func_selector]; in byt_set_mux()
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| /linux-6.12.1/drivers/net/wan/ |
| D | ixp4xx_hss.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2007-2008 Krzysztof Hałasa <khc@pm.waw.pl>
13 #include <linux/dma-mapping.h>
90 #define PKT_HDLC_CRC_32 0x2 /* default = CRC-16 */
142 /* 56k data endiannes - which bit unused: high (default) or low */
180 * The clock sequence consists of (C - B) states of 0s and 1s, each state is
192 * The sequence takes (C - B) * A + (B + 1) * (A + 1) = 5 * 2 + 3 * 3 bits
201 #define TDMMAP_HDLC 1 /* HDLC - packetized */
202 #define TDMMAP_VOICE56K 2 /* Voice56K - 7-bit channelized */
203 #define TDMMAP_VOICE64K 3 /* Voice64K - 8-bit channelized */
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| /linux-6.12.1/drivers/media/i2c/ |
| D | ov8858.c | 1 // SPDX-License-Identifier: GPL-2.0
22 #include <media/media-entity.h>
23 #include <media/v4l2-async.h>
24 #include <media/v4l2-common.h>
25 #include <media/v4l2-ctrls.h>
26 #include <media/v4l2-device.h>
27 #include <media/v4l2-event.h>
28 #include <media/v4l2-fwnode.h>
29 #include <media/v4l2-mediabus.h>
30 #include <media/v4l2-subdev.h>
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