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/linux/Documentation/scsi/
H A Dlibsas.rst21 * Expander management and exporting expander control
309 - events marked E (expander) if it wants the SAS layer
416 Expander management from User Space
419 In each expander directory in sysfs, there is a file called
432 2. Open the expander's SMP portal sysfs file in RW mode.
454 expander, and gives expander information, including routing
457 The SMP portal gives you complete control of the expander,
/linux/arch/arm/boot/dts/marvell/
H A Ddove-sbc-a510.dts46 * SBC-A510 comprises a PCA9555 I2C GPIO expander its GPIO lines connected to
102 * USB port 0 can be powered and monitored by I2C GPIO expander:
120 * - GPIO expander, NXP PCA9555, 0x20
140 /* NXP PCA9555 GPIO expander */
169 * SDIO0 is connected to a MMC/SD/SDIO socket, I2C GPIO expander has
/linux/drivers/pinctrl/
H A DKconfig143 tristate "Awinic AW9523/AW9523B I2C GPIO expander pinctrl driver"
154 expander with PWM functionality. This driver bundles a
178 Support for 20/40/60 pin Cypress Cy8C95x0 pinctrl/gpio I2C expander.
369 tristate "Microchip MCP23xxx I/O expander"
527 tristate "STMicroelectronics STMFX GPIO expander pinctrl driver"
534 Driver for STMicroelectronics Multi-Function eXpander (STMFX)
535 GPIO expander.
541 bool "Semtech SX150x I2C GPIO expander pinctrl driver"
/linux/drivers/gpio/
H A DKconfig191 tristate "Raspberry Pi 3 GPIO Expander"
198 Turn on GPIO support for the expander on Raspberry Pi 3 boards, using
1104 tristate "Avionic Design N-bit GPIO expander"
1116 tristate "FXL6408 I2C GPIO expander"
1120 GPIO driver for Fairchild Semiconductor FXL6408 GPIO expander.
1126 tristate "DS4520 I2C GPIO expander"
1130 GPIO driver for ADI DS4520 I2C-based GPIO expander.
1137 tristate "Gateworks PLD GPIO Expander"
1141 Expander. This is used at least on the Cambria GW2358-4.
1144 tristate "Maxim MAX7300 GPIO expander"
[all …]
H A Dgpio-ds4520.c4 * Driver for the DS4520 I/O Expander
72 MODULE_DESCRIPTION("DS4520 I/O Expander");
H A Dgpio-raspberrypi-exp.c3 * Raspberry Pi 3 expander GPIO driver
6 * GPIO expander on the VPU.
254 MODULE_DESCRIPTION("Raspberry Pi 3 expander GPIO driver");
H A Dgpio-gw-pld.c3 // Gateworks I2C PLD GPIO expander
133 MODULE_DESCRIPTION("Gateworks I2C PLD GPIO expander");
H A Dgpio-moxtet.c3 * Turris Mox Moxtet GPIO expander
178 MODULE_DESCRIPTION("Turris Mox Moxtet GPIO expander");
H A Dgpio-pca9570.c3 * Driver for PCA9570 I2C GPO expander
184 MODULE_DESCRIPTION("GPIO expander driver for PCA9570");
/linux/drivers/scsi/libsas/
H A Dsas_expander.c3 * Serial Attached SCSI (SAS) Expander discovery and configuration
348 /* check if we have an existing attached ata device on this expander phy */
1039 pr_debug("second fanout expander %016llx phy%02d attached to ex %016llx phy%02d\n", in sas_ex_discover_dev()
1117 * sas_ex_discover_devices - discover devices attached to this expander
1118 * @dev: pointer to the expander domain device
1121 * Configure this expander for use with its devices and register the
1122 * devices of this expander.
1485 * @parent: parent expander
1486 * @child: child expander
1488 * @include: whether or not to include @child in the expander routing table
[all …]
/linux/Documentation/devicetree/bindings/pinctrl/
H A Dawinic,aw9523-pinctrl.yaml7 title: Awinic AW9523/AW9523B I2C GPIO Expander
13 The Awinic AW9523/AW9523B I2C GPIO Expander featuring 16 multi-function
110 aw9523: gpio-expander@58 {
H A Dmicrochip,mcp23s08.yaml7 title: Microchip I/O expander with serial interface (I2C/SPI)
13 Microchip MCP23008, MCP23017, MCP23S08, MCP23S17, MCP23S18 GPIO expander
89 corresponds to a physical pin on the GPIO expander.
H A Dsemtech,sx1501q.yaml8 title: Semtech SX150x GPIO expander
47 description: Will trigger a reset of the GPIO expander on probe
/linux/Documentation/devicetree/bindings/auxdisplay/
H A 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
107 pcf8574: gpio-expander@27 {
/linux/Documentation/devicetree/bindings/gpio/
H A Dgpio-adnp.txt1 Avionic Design N-bit GPIO expander bindings
13 The GPIO expander can optionally be used as an interrupt controller, in
H A 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:
H A Dst,stmpe-gpio.yaml7 title: STMicroelectonics Port Expander (STMPE) GPIO Block
10 STMicroelectronics Port Expander (STMPE) is a series of slow
H A Dfcs,fxl6408.yaml7 title: Fairchild FXL6408 I2C GPIO Expander
49 gpio_expander_43: gpio-expander@43 {
/linux/Documentation/devicetree/bindings/mfd/
H A Dst,stmpe.yaml7 title: STMicroelectonics Port Expander (STMPE)
9 description: STMicroelectronics Port Expander (STMPE) is a series of slow
211 port-expander@43 {
258 port-expander@41 {
H A Dadi,adp5585.yaml13 The ADP5585 is a 10/11 input/output port expander with a built in keypad
85 io-expander@34 {
/linux/arch/arm/boot/dts/nxp/ls/
H A Dls1021a-tqmls1021a-mbls1021a.dts215 pca9554_0: gpio-expander@20 {
231 pca9554_1: gpio-expander@21 {
247 pca9554_2: gpio-expander@22 {
292 stmpe811: port-expander@41 {
/linux/arch/arm/boot/dts/qcom/
H A Dqcom-mdm9615-wp8548-mangoh-green.dts119 /* GPIO Expander 0 Mapping :
157 /* GPIO Expander 1 Mapping :
198 /* GPIO Expander 2 Mapping :
/linux/drivers/scsi/mpt3sas/
H A Dmpt3sas_base.h535 * @sas_address_parent: sas address of parent expander or sas host
749 * @port_list: list of ports belonging to expander
793 * struct _sas_node - sas_host/expander information
796 * @num_phys: number phys belonging to this sas_host/expander
797 * @sas_address: sas address of this sas_host/expander
798 * @handle: handle for this sas_host/expander
799 * @sas_address_parent: sas address of parent expander or sas host
801 * @device_info: bitwise defining capabilities of this sas_host/expander
804 * @phy: a list of phys that make up this sas_host/expander
805 * @sas_port_list: list of ports attached to this sas_host/expander
[all …]
/linux/drivers/mfd/
H A 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/drivers/net/ethernet/sfc/falcon/
H A 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

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