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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/cxl/
H A DKconfig32 Say 'y/m' to enable a driver that will attach to CXL memory expander
126 expander devices.
138 control the scrub feature configurations of CXL memory expander
156 control the ECS feature configurations of CXL memory expander
174 configurations of CXL memory expander devices.
/linux/drivers/gpio/
H A DKconfig202 tristate "Raspberry Pi 3 GPIO Expander"
209 Turn on GPIO support for the expander on Raspberry Pi 3 boards, using
1115 tristate "Avionic Design N-bit GPIO expander"
1127 tristate "FXL6408 I2C GPIO expander"
1131 GPIO driver for Fairchild Semiconductor FXL6408 GPIO expander.
1137 tristate "DS4520 I2C GPIO expander"
1141 GPIO driver for ADI DS4520 I2C-based GPIO expander.
1148 tristate "Gateworks PLD GPIO Expander"
1152 Expander. This is used at least on the Cambria GW2358-4.
1155 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.
258 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
176 MODULE_DESCRIPTION("Turris Mox Moxtet GPIO expander");
H A Dgpio-pca9570.c3 * Driver for PCA9570 I2C GPO expander
185 MODULE_DESCRIPTION("GPIO expander driver for PCA9570");
/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 Dst,stmpe-gpio.yaml7 title: STMicroelectonics Port Expander (STMPE) GPIO Block
10 STMicroelectronics Port Expander (STMPE) is a series of slow
H A Dexar,xra1403.yaml7 title: XRA1403 16-bit GPIO Expander with Reset Input
13 The XRA1403 is an 16-bit GPIO expander with an SPI interface. Features
/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 {
/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/Documentation/driver-api/cxl/
H A Dtheory-of-operation.rst194 the cxl_pci driver to a CXL Memory Expander there is no role for CXL Port
198 Memory Expander.
249 ...which queries the CXL topology to ask "given CXL Memory Expander with a kernel
251 participate". A given expander can participate in multiple CXL.mem interleave
/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
/linux/arch/arm64/boot/dts/freescale/
H A Dmba8xx.dtsi71 gpios = <&expander 1 GPIO_ACTIVE_HIGH>;
78 gpios = <&expander 2 GPIO_ACTIVE_HIGH>;
90 gpio = <&expander 6 GPIO_ACTIVE_HIGH>;
246 expander: gpio@70 { label
/linux/arch/arm/boot/dts/aspeed/
H A Daspeed-bmc-inventec-starscream.dts159 // I2C EXPANDER
193 // I2C EXPANDER U153
244 // I2C EXPANDER U40
/linux/include/linux/platform_data/
H A Dmax732x.h5 /* platform data for the MAX732x 8/16-bit I/O expander driver */

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