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/linux-6.15/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-moxtet.txt1 Turris Mox Moxtet GPIO expander via Moxtet bus
H A Dadi,ds4520-gpio.yaml7 title: DS4520 I2C GPIO expander
H A Dgpio-pca9570.yaml7 title: PCA9570 I2C GPO expander
H A Dfcs,fxl6408.yaml49 gpio_expander_43: gpio-expander@43 {
H A Ddelta,tn48m-gpio.yaml16 Delta TN48M has an onboard Lattice CPLD that is used as an GPIO expander.
H A Dgpio-xra1403.txt3 The XRA1403 is an 16-bit GPIO expander with an SPI interface. Features available:
/linux-6.15/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
H A Darmada-388-clearfog.dtsi115 * PCA9655 GPIO expander, up to 1MHz clock.
133 expander0: gpio-expander@20 {
/linux-6.15/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-6.15/Documentation/devicetree/bindings/mfd/
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-6.15/arch/arm64/boot/dts/freescale/
H A Dimx8mp-kontron-smarc-eval-carrier.dts120 expander_pm_out: io-expander@22 {
130 expander_pm_in: io-expander@24 {
156 expander_audio: io-expander@20 {
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-6.15/arch/arm/boot/dts/nxp/ls/
H A Dls1021a-tqmls1021a-mbls1021a.dts214 pca9554_0: gpio-expander@20 {
230 pca9554_1: gpio-expander@21 {
246 pca9554_2: gpio-expander@22 {
291 stmpe811: port-expander@41 {
/linux-6.15/Documentation/devicetree/bindings/pinctrl/
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-6.15/arch/arm/boot/dts/nxp/imx/
H A Dimx6qdl-pico-dwarf.dtsi29 io-expander@25 {
H A Dimx6qdl-pico-nymph.dtsi28 io-expander@25 {
/linux-6.15/Documentation/hwmon/
H A Draspberrypi-hwmon.rst9 * Raspberry Pi 3 B (via GPIO on port expander)
/linux-6.15/Documentation/scsi/
H A Dlibsas.rst21 * Expander management and exporting expander control
309 - events marked E (expander) if it wants the SAS layer
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-6.15/drivers/firmware/arm_scmi/vendors/imx/
H A DKconfig21 This enables i.MX System MISC control logic such as gpio expander
/linux-6.15/drivers/pinctrl/
H A DKconfig145 tristate "Awinic AW9523/AW9523B I2C GPIO expander pinctrl driver"
156 expander with PWM functionality. This driver bundles a
180 Support for 20/40/60 pin Cypress Cy8C95x0 pinctrl/gpio I2C expander.
371 tristate "Microchip MCP23xxx I/O expander"
529 tristate "STMicroelectronics STMFX GPIO expander pinctrl driver"
537 GPIO expander.
543 bool "Semtech SX150x I2C GPIO expander pinctrl driver"
/linux-6.15/arch/arm/boot/dts/st/
H A Dste-nomadik-nhk15.dts102 stmpe0: port-expander@43 {
147 stmpe1: port-expander@44 {
/linux-6.15/arch/arm/boot/dts/nxp/vf/
H A Dvf610-zii-scu4-aib.dts528 gpio5: io-expander@20 {
535 gpio6: io-expander@22 {
586 gpio9: io-expander@20 {
607 gpio7: io-expander@23 {
/linux-6.15/Documentation/devicetree/bindings/leds/
H A Dnxp,pca953x.yaml13 The PCA9532 family is SMBus I/O expander optimized for dimming LEDs.

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