pcf85263 linux驱动源码,PCF857XSW-LINUX

The Linux driver supports the TCA9554 Remote 8-Bit I2C and SMBus I/O Expander. The Linux driver supports communication through the I2C bus and interfaces with the GPIO sub-systems.

Linux Mainline Status

Available in Linux Main line: Yes

Available through git.ti.com: N/A

Supported Devices:

tca9554

Linux Source Files

The files associated with this device are:

drivers/gpio/gpio-pcf857x.c

Documentation/devicetree/bindings/gpio/gpio-pcf857x.txt

Source Files

Linux Device Tree Documenation

Enabling Driver Support

Configure kernel with "make menuconfig" (alternatively use "make xconfig" or

"make nconfig")

Menuconfig Location

Symbol: GPIO_PCF857X [=y]

Type : tristate

Prompt: PCF857x, PCA{85,96}7x, and MAX732[89] I2C GPIO expanders

Location:

-> Device Drivers

-> GPIO Support (GPIOLIB [=y])

-> I2C GPIO expanders

Defined at drivers/gpio/Kconfig:647

Depends on: GPIOLIB [=y] && I2C [=y]

Selects: GPIOLIB_IRQCHIP [=y] && IRQ_DOMAIN [=y]

Selected by: MACH_DAVINCI_DA830_EVM [=y] && ARCH_DAVINCI [=y] && ARCH_DAVINCI_DA830 [=y]

Fixes and Code Enhancements

If there are fixes and or code enhancements that need to be added to this

driver please either

1. Send the patches to the relevant Linux Kernel community as listed in the maintainers file located: Here

or

2. Contact your TI representative.