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/Linux-v5.15/Documentation/devicetree/bindings/gpio/
Draspberrypi,firmware-gpio.txt1 Raspberry Pi GPIO expander
3 The Raspberry Pi 3 GPIO expander is controlled by the VC4 firmware. The
5 GPIO lines on the expander.
7 The Raspberry Pi GPIO expander node must be a child node of the Raspberry Pi
Dgpio-adnp.txt1 Avionic Design N-bit GPIO expander bindings
13 The GPIO expander can optionally be used as an interrupt controller, in
Dgpio-xra1403.txt1 GPIO Driver for XRA1403 16-BIT GPIO Expander With Reset Input from EXAR
3 The XRA1403 is an 16-bit GPIO expander with an SPI interface. Features available:
Dgpio-moxtet.txt1 Turris Mox Moxtet GPIO expander via Moxtet bus
/Linux-v5.15/Documentation/devicetree/bindings/pinctrl/
Dpinctrl-sx150x.txt1 SEMTECH SX150x GPIO expander bindings
32 - semtech,probe-reset: Will trigger a reset of the GPIO expander on probe,
35 The GPIO expander can optionally be used as an interrupt controller, in
54 i2c0gpio-expander@20{
/Linux-v5.15/arch/arm/boot/dts/
Ddove-sbc-a510.dts46 * SBC-A510 comprises a PCA9555 I2C GPIO expander its GPIO lines connected to
104 * USB port 0 can be powered and monitored by I2C GPIO expander:
122 * - GPIO expander, NXP PCA9555, 0x20
142 /* NXP PCA9555 GPIO expander */
171 * SDIO0 is connected to a MMC/SD/SDIO socket, I2C GPIO expander has
Dqcom-mdm9615-wp8548-mangoh-green.dts157 /* GPIO Expander 0 Mapping :
195 /* GPIO Expander 1 Mapping :
236 /* GPIO Expander 2 Mapping :
/Linux-v5.15/Documentation/scsi/
Dlibsas.rst21 * Expander management and exporting expander control
311 - events marked E (expander) if it wants the SAS layer
418 Expander management from User Space
421 In each expander directory in sysfs, there is a file called
434 2. Open the expander's SMP portal sysfs file in RW mode.
456 expander, and gives expander information, including routing
459 The SMP portal gives you complete control of the expander,
/Linux-v5.15/arch/arm/mach-davinci/
DKconfig140 based GPIO expander on that board. This option selected in this
164 prompt "Select peripherals connected to expander on UI board"
169 based GPIO expander on that card. This option selected in this
176 to TCA6416 expander on DA850/OMAP-L138/AM18x EVM UI card
Dboard-da850-evm.c474 pr_warn("Cannot open UI expander pin %d\n", sel_a); in da850_evm_ui_expander_setup()
480 pr_warn("Cannot open UI expander pin %d\n", sel_b); in da850_evm_ui_expander_setup()
486 pr_warn("Cannot open UI expander pin %d\n", sel_c); in da850_evm_ui_expander_setup()
498 pr_warn("Could not register UI GPIO expander push-buttons"); in da850_evm_ui_expander_setup()
539 /* assign the baseboard expander's GPIOs after the UI board's */
652 GPIO_LOOKUP_IDX("i2c-bb-expander",
655 GPIO_LOOKUP_IDX("i2c-bb-expander",
684 pr_warn("Could not register baseboard GPIO expander keys"); in da850_evm_bb_expander_setup()
691 pr_warn("Could not register baseboard GPIO expander LEDs"); in da850_evm_bb_expander_setup()
732 .dev_name = "ui-expander",
[all …]
/Linux-v5.15/drivers/gpio/
DKconfig172 tristate "Raspberry Pi 3 GPIO Expander"
179 Turn on GPIO support for the expander on Raspberry Pi 3 boards, using
957 tristate "ADP5588 I2C GPIO expander"
971 tristate "Avionic Design N-bit GPIO expander"
983 tristate "Gateworks PLD GPIO Expander"
987 Expander. This is used at least on the Cambria GW2358-4.
990 tristate "Maxim MAX7300 GPIO expander"
993 GPIO driver for Maxim MAX7300 I2C-based GPIO expander.
1050 tristate "PCA9570 4-Bit I2C GPO expander"
1083 tristate "TPIC2810 8-Bit I2C GPO expander"
[all …]
Dgpio-raspberrypi-exp.c3 * Raspberry Pi 3 expander GPIO driver
6 * GPIO expander on the VPU.
255 MODULE_DESCRIPTION("Raspberry Pi 3 expander GPIO driver");
Dgpio-pca9570.c3 * Driver for PCA9570 I2C GPO expander
145 MODULE_DESCRIPTION("GPIO expander driver for PCA9570");
Dgpio-moxtet.c3 * Turris Mox Moxtet GPIO expander
178 MODULE_DESCRIPTION("Turris Mox Moxtet GPIO expander");
/Linux-v5.15/drivers/pinctrl/
DKconfig186 tristate "Microchip MCP23xxx I/O expander"
235 bool "Semtech SX150x I2C GPIO expander pinctrl driver"
269 tristate "STMicroelectronics STMFX GPIO expander pinctrl driver"
276 Driver for STMicroelectronics Multi-Function eXpander (STMFX)
277 GPIO expander.
/Linux-v5.15/drivers/scsi/libsas/
Dsas_expander.c3 * Serial Attached SCSI (SAS) Expander discovery and configuration
344 /* check if we have an existing attached ata device on this expander phy */
1089 pr_debug("second fanout expander %016llx phy%02d attached to ex %016llx phy%02d\n", in sas_ex_discover_dev()
1167 * sas_ex_discover_devices - discover devices attached to this expander
1168 * @dev: pointer to the expander domain device
1171 * Configure this expander for use with its devices and register the
1172 * devices of this expander.
1517 * @parent: parent expander
1518 * @child: child expander
1520 * @include: whether or not to include @child in the expander routing table
[all …]
/Linux-v5.15/drivers/scsi/mpt3sas/
Dmpt3sas_transport.c84 * @sas_address: sas address of expander or sas host
88 * Search for either hba phys or expander device based on handle, then returns
344 * @sas_address: expander sas address
570 * @sas_node: sas node object (either expander or sas host)
572 * @sas_address: sas address of device/expander were phy needs to be added to
610 * @sas_node: sas node object (either expander or sas host)
647 * @sas_node: sas node object (either expander or sas host)
674 * @sas_address: sas address of parent expander or sas host
870 * @sas_address_parent: sas address of parent expander or sas host
1070 * mpt3sas_transport_add_expander_phy - report expander phy to transport
[all …]
Dmpt3sas_base.h533 * @sas_address_parent: sas address of parent expander or sas host
747 * @port_list: list of ports belonging to expander
791 * struct _sas_node - sas_host/expander information
794 * @num_phys: number phys belonging to this sas_host/expander
795 * @sas_address: sas address of this sas_host/expander
796 * @handle: handle for this sas_host/expander
797 * @sas_address_parent: sas address of parent expander or sas host
799 * @device_info: bitwise defining capabilities of this sas_host/expander
801 * @phy: a list of phys that make up this sas_host/expander
802 * @sas_port_list: list of ports attached to this sas_host/expander
[all …]
/Linux-v5.15/Documentation/devicetree/bindings/mfd/
Dst,stmfx.yaml7 title: STMicroelectonics Multi-Function eXpander (STMFX) bindings
9 description: ST Multi-Function eXpander (STMFX) is a slave controller using I2C for
/Linux-v5.15/Documentation/devicetree/bindings/auxdisplay/
Dhit,hd44780.yaml16 GPIO expander it is possible to use the driver with one of the popular I2C
17 expander boards based on the PCF8574 available for these displays. For
/Linux-v5.15/drivers/mfd/
Dlp3943.c11 * It can be used for a GPIO expander and PWM generators.
16 * LP3943 MFD ---- GPIO expander leds-gpio eg) HW enable pin
/Linux-v5.15/Documentation/ABI/testing/
Dsysfs-bus-cxl117 memory, volatile memory, accelerator memory, and / or expander
126 optionally decode either accelerator memory (type-2) or expander
/Linux-v5.15/Documentation/devicetree/bindings/pwm/
Dst,stmpe-pwm.txt4 (ST Multi-Purpose Expander) chips. The PWM is registered as a
/Linux-v5.15/drivers/net/ethernet/sfc/falcon/
Dfalcon_boards.c198 * consumption. We control its power via a PCA9539 I/O expander.
205 * the IO-expander.
211 * Support for I2C IO Expander device on SFE4001
282 /* Enable port 0 and port 1 outputs on IO expander */ in sfe4001_poweron()
428 * We know we can read from the IO expander because we did in sfe4001_check_hw()
446 /* This board uses an I2C expander to provider power to the PHY, which needs to
/Linux-v5.15/include/linux/platform_data/
Dmax732x.h5 /* platform data for the MAX732x 8/16-bit I/O expander driver */

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