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/freebsd/sys/contrib/device-tree/Bindings/auxdisplay/
H A Dhit,hd44780.yaml17 expander boards based on the PCF8574 available for these displays. For
107 pcf8574: gpio-expander@27 {
108 compatible = "nxp,pcf8574";
119 data-gpios = <&pcf8574 4 GPIO_ACTIVE_HIGH>,
120 <&pcf8574 5 GPIO_ACTIVE_HIGH>,
121 <&pcf8574 6 GPIO_ACTIVE_HIGH>,
122 <&pcf8574 7 GPIO_ACTIVE_HIGH>;
123 enable-gpios = <&pcf8574 2 GPIO_ACTIVE_HIGH>;
124 rs-gpios = <&pcf8574 0 GPIO_ACTIVE_HIGH>;
125 rw-gpios = <&pcf8574 1 GPIO_ACTIVE_HIGH>;
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/freebsd/share/man/man4/
H A Dpcf8574.431 .Nm pcf8574
32 .Nd driver for the PCF8574 8-bit I2C IO expander
38 .Cd "device pcf8574"
64 Must be set to "nxp,pcf8574".
78 compatible = "nxp,pcf8574";
H A DMakefile464 pcf8574.4 \
/freebsd/sys/dev/iicbus/gpio/
H A Dpcf8574.c30 * Driver for PCF8574 / PCF8574A 8-bit I/O expander
80 { "nxp,pcf8574", 1 },
124 device_set_desc(dev, "PCF8574 I/O expander"); in pcf8574_probe()
144 sx_init(&sc->lock, "pcf8574"); in pcf8574_attach()
414 DRIVER_MODULE(pcf8574, iicbus, pcf8574_driver, 0, 0);
415 MODULE_DEPEND(pcf8574, iicbus, IICBUS_MINVER, IICBUS_PREFVER, IICBUS_MAXVER);
416 MODULE_DEPEND(pcf8574, gpiobus, 1, 1, 1);
417 MODULE_VERSION(pcf8574, 1);
/freebsd/sys/modules/i2c/pcf8574/
H A DMakefile2 KMOD = pcf8574
3 SRCS = pcf8574.c
/freebsd/sys/contrib/device-tree/Bindings/gpio/
H A Dgpio-pcf857x.txt25 - "nxp,pcf8574": For the NXP PCF8574
H A Dnxp,pcf8575.yaml35 - nxp,pcf8574
/freebsd/sys/contrib/device-tree/src/arm64/broadcom/stingray/
H A Dbcm958742-base.dtsi77 pcf8574: pcf8574@27 { label
/freebsd/sys/modules/i2c/
H A DMakefile22 pcf8574 \
/freebsd/sys/contrib/device-tree/src/arm64/freescale/
H A Dimx8mn-rve-gateway.dts177 compatible = "nxp,pcf8574";
187 compatible = "nxp,pcf8574";
/freebsd/sys/contrib/device-tree/src/arm/nxp/imx/
H A Dimx53-kp-ddc.dts96 compatible = "nxp,pcf8574";
H A Dimx53-kp.dtsi84 compatible = "nxp,pcf8574";
/freebsd/sys/contrib/device-tree/src/arm64/ti/
H A Dk3-am62x-phyboard-lyra.dtsi329 compatible = "nxp,pcf8574";
/freebsd/sys/dev/sound/pci/
H A Denvy24.h490 /* PCF8574 registers */
/freebsd/sys/conf/
H A Dfiles1853 dev/iicbus/gpio/pcf8574.c optional pcf8574