dc608de144
SX1509 from Semtech is GPIO expander with LED driver and keypad engine. For now, the keypad engine is not supported.
408 lines
9.7 KiB
Plaintext
408 lines
9.7 KiB
Plaintext
#
|
|
# For a description of the syntax of this configuration file,
|
|
# see the file kconfig-language.txt in the NuttX tools repository.
|
|
#
|
|
|
|
menu "IO Expander/GPIO Support"
|
|
|
|
config IOEXPANDER
|
|
bool "Enable IO Expander Support"
|
|
default n
|
|
---help---
|
|
This directory holds implementations of IO expander drivers.
|
|
See include/nuttx/ioexpander/ioexpander.h for registration information.
|
|
|
|
if IOEXPANDER
|
|
|
|
config IOEXPANDER_RPMSG
|
|
bool "IO expander rpmsg server and client"
|
|
depends on RPTUN
|
|
default n
|
|
select IOEXPANDER_INT_ENABLE
|
|
---help---
|
|
This settings enable ioexpander rpmsg server and client.
|
|
|
|
if IOEXPANDER_RPMSG
|
|
|
|
config IOEXPANDER_RPMSG_INT_NCALLBACKS
|
|
int "number of ioexpander rpmsg interrupt callbacks"
|
|
default 32
|
|
---help---
|
|
This set the IO expander number in interrupt callbacks.
|
|
|
|
endif # IOEXPANDER_RPMSG
|
|
|
|
config IOEXPANDER_DUMMY
|
|
bool "Simulated I/O Expander"
|
|
default n
|
|
select IOEXPANDER_INT_ENABLE
|
|
---help---
|
|
Build a simple, simulated I/O Expander chip simulation (for testing
|
|
purposes only).
|
|
|
|
if IOEXPANDER_DUMMY
|
|
|
|
config IOEXPANDER_DUMMY_INT_NCALLBACKS
|
|
int "Max number of interrupt callbacks"
|
|
default 4
|
|
---help---
|
|
This is the maximum number of interrupt callbacks supported
|
|
|
|
config IOEXPANDER_DUMMY_INT_POLLDELAY
|
|
int "Interrupt poll delay (used)"
|
|
default 500000
|
|
---help---
|
|
This microsecond delay defines the polling rate for missed interrupts.
|
|
|
|
endif # IOEXPANDER_DUMMY
|
|
|
|
config IOEXPANDER_MCP23X17
|
|
bool "MCP23017/MCP23S17 I2C/SPI IO expander"
|
|
default n
|
|
depends on I2C
|
|
---help---
|
|
Enable support for the MCP23017/MCP23S17 IO Expander
|
|
|
|
if IOEXPANDER_MCP23X17
|
|
|
|
config MCP23X17_MULTIPLE
|
|
bool "Multiple MCP23x17 Devices"
|
|
default n
|
|
---help---
|
|
Can be defined to support multiple MCP23x17 devices on board.
|
|
|
|
config MCP23X17_INT_ENABLE
|
|
bool "Enable MCP23x17 Interrupt Support"
|
|
default n
|
|
select IOEXPANDER_INT_ENABLE
|
|
---help---
|
|
Enable driver interrupt functionality
|
|
|
|
config MCP23X17_INT_MIRROR
|
|
bool "Enable MCP23x17 Interrupt Mirror"
|
|
default n
|
|
select MCP23X17_INT_ENABLE
|
|
---help---
|
|
Enable driver interrupt mirror functionality
|
|
|
|
config MCP23X17_INT_NCALLBACKS
|
|
int "Max number of interrupt callbacks"
|
|
default 4
|
|
depends on MCP23X17_INT_ENABLE
|
|
---help---
|
|
This is the maximum number of interrupt callbacks supported
|
|
|
|
config MCP23X17_INT_POLL
|
|
bool "Enable interrupt poll"
|
|
default n
|
|
---help---
|
|
Enable polling for missed interrupts.
|
|
|
|
config MCP23X17_INT_POLLDELAY
|
|
int "Interrupt poll delay (used)"
|
|
default 500000
|
|
depends on MCP23X17_INT_POLL
|
|
---help---
|
|
This microsecond delay defines the polling rate for missed interrupts.
|
|
|
|
endif # IOEXPANDER_MCP23X17
|
|
|
|
config IOEXPANDER_PCA9555
|
|
bool "PCA9555 I2C IO expander"
|
|
default n
|
|
depends on I2C
|
|
---help---
|
|
Enable support for the NXP PCA9555 IO Expander
|
|
|
|
if IOEXPANDER_PCA9555
|
|
|
|
config PCA9555_MULTIPLE
|
|
bool "Multiple PCA9555 Devices"
|
|
default n
|
|
---help---
|
|
Can be defined to support multiple PCA9555 devices on board.
|
|
|
|
config PCA9555_INT_ENABLE
|
|
bool "Enable PCA9555 Interrupt Support"
|
|
default n
|
|
select IOEXPANDER_INT_ENABLE
|
|
---help---
|
|
Enable driver interrupt functionality
|
|
|
|
config PCA9555_INT_NCALLBACKS
|
|
int "Max number of interrupt callbacks"
|
|
default 4
|
|
depends on PCA9555_INT_ENABLE
|
|
---help---
|
|
This is the maximum number of interrupt callbacks supported
|
|
|
|
config PCA9555_SHADOW_MODE
|
|
bool "Use Shadow Mode instead of Read-Modify-Write Operations"
|
|
default n
|
|
---help---
|
|
This setting enables a mode where the output and pin
|
|
configuration registers are held in RAM.
|
|
With this for example we do not need to read back the
|
|
output-register every time we want to change one pin.
|
|
We do instead change the bit in the internal register
|
|
and then just write this register to the IO-Expander.
|
|
This reduces bus traffic and eliminates the problem of
|
|
EMC-caused toggling of output pins.
|
|
|
|
config PCA9555_RETRY
|
|
bool "Retry to send commands and data at I2C communication errors"
|
|
default n
|
|
---help---
|
|
Retry to send commands and data if a I2C-communication
|
|
error occurs (eg. caused by EMC).
|
|
|
|
endif # IOEXPANDER_PCA9555
|
|
|
|
config IOEXPANDER_PCA9538
|
|
bool "PCA9538 I2C IO expander"
|
|
default n
|
|
depends on I2C
|
|
---help---
|
|
Enable support for the NXP PCA9538 IO Expander
|
|
|
|
if IOEXPANDER_PCA9538
|
|
|
|
config PCA9538_MULTIPLE
|
|
bool "Multiple PCA9538 Devices"
|
|
default n
|
|
---help---
|
|
Can be defined to support multiple PCA9538 devices on board.
|
|
|
|
config PCA9538_INT_ENABLE
|
|
bool "Enable PCA9538 Interrupt Support"
|
|
default n
|
|
select IOEXPANDER_INT_ENABLE
|
|
---help---
|
|
Enable driver interrupt functionality
|
|
|
|
config PCA9538_INT_NCALLBACKS
|
|
int "Max number of interrupt callbacks"
|
|
default 4
|
|
depends on PCA9538_INT_ENABLE
|
|
---help---
|
|
This is the maximum number of interrupt callbacks supported
|
|
|
|
config PCA9538_SHADOW_MODE
|
|
bool "Use Shadow Mode instead of Read-Modify-Write Operations"
|
|
default n
|
|
---help---
|
|
This setting enables a mode where the output and pin
|
|
configuration registers are held in RAM.
|
|
With this for example we do not need to read back the
|
|
output-register every time we want to change one pin.
|
|
We do instead change the bit in the internal register
|
|
and then just write this register to the IO-Expander.
|
|
This reduces bus traffic and eliminates the problem of
|
|
EMC-caused toggling of output pins.
|
|
|
|
config PCA9538_RETRY
|
|
bool "Retry to send commands and data at I2C communication errors"
|
|
default n
|
|
---help---
|
|
Retry to send commands and data if a I2C-communication
|
|
error occurs (eg. caused by EMC).
|
|
|
|
endif # IOEXPANDER_PCA9538
|
|
|
|
config IOEXPANDER_TCA64XX
|
|
bool "TCA64XX I2C IO expander"
|
|
default n
|
|
depends on I2C && EXPERIMENTAL
|
|
---help---
|
|
Enable support for the TCA64XX IO Expander
|
|
|
|
if IOEXPANDER_TCA64XX
|
|
|
|
config TCA64XX_MULTIPLE
|
|
bool "Multiple TCA64XX Devices"
|
|
default n
|
|
---help---
|
|
Can be defined to support multiple TCA64XX devices on board.
|
|
|
|
config TCA64XX_INT_ENABLE
|
|
bool "Enable TCA64XX Interrupt Support"
|
|
default n
|
|
select IOEXPANDER_INT_ENABLE
|
|
---help---
|
|
Enable driver interrupt functionality
|
|
|
|
config TCA64XX_INT_NCALLBACKS
|
|
int "Max number of interrupt callbacks"
|
|
default 4
|
|
depends on TCA64XX_INT_ENABLE
|
|
---help---
|
|
This is the maximum number of interrupt callbacks supported
|
|
|
|
config TCA64XX_INT_POLL
|
|
bool "Enable interrupt poll"
|
|
default n
|
|
---help---
|
|
Enable polling for missed interrupts.
|
|
|
|
config TCA64XX_INT_POLLDELAY
|
|
int "Interrupt poll delay (used)"
|
|
default 500000
|
|
depends on TCA64XX_INT_POLL
|
|
---help---
|
|
This microsecond delay defines the polling rate for missed interrupts.
|
|
|
|
endif # IOEXPANDER_TCA64XX
|
|
|
|
config IOEXPANDER_PCF8574
|
|
bool "PCF8574 I2C IO expander"
|
|
default n
|
|
depends on I2C && EXPERIMENTAL
|
|
---help---
|
|
Enable support for the PCF8574 IO Expander
|
|
|
|
if IOEXPANDER_PCF8574
|
|
|
|
config PCF8574_MULTIPLE
|
|
bool "Multiple PCF8574 Devices"
|
|
default n
|
|
---help---
|
|
Can be defined to support multiple PCF8574 devices on board.
|
|
|
|
config PCF8574_INT_ENABLE
|
|
bool "Enable PCF8574 Interrupt Support"
|
|
default n
|
|
select IOEXPANDER_INT_ENABLE
|
|
---help---
|
|
Enable driver interrupt functionality
|
|
|
|
config PCF8574_INT_NCALLBACKS
|
|
int "Max number of interrupt callbacks"
|
|
default 4
|
|
depends on PCF8574_INT_ENABLE
|
|
---help---
|
|
This is the maximum number of interrupt callbacks supported
|
|
|
|
config PCF8574_INT_POLL
|
|
bool "Enable interrupt poll"
|
|
default n
|
|
---help---
|
|
Enable polling for missed interrupts.
|
|
|
|
config PCF8574_INT_POLLDELAY
|
|
int "Interrupt poll delay (used)"
|
|
default 500000
|
|
depends on PCF8574_INT_POLL
|
|
---help---
|
|
This microsecond delay defines the polling rate for missed interrupts.
|
|
|
|
endif # IOEXPANDER_PCF8574
|
|
|
|
config IOEXPANDER_SX1509
|
|
bool "SX1509 I2C IO expander"
|
|
default n
|
|
depends on I2C
|
|
---help---
|
|
Enable support for the SX1509 IO Expander
|
|
|
|
if IOEXPANDER_SX1509
|
|
|
|
config SX1509_MULTIPLE
|
|
bool "Multiple SX1509 Devices"
|
|
default n
|
|
---help---
|
|
Can be defined to support multiple SX1509 devices on board.
|
|
|
|
config SX1509_INT_ENABLE
|
|
bool "Enable SX1509 Interrupt Support"
|
|
default n
|
|
select IOEXPANDER_INT_ENABLE
|
|
---help---
|
|
Enable driver interrupt functionality
|
|
|
|
config SX1509_LED_ENABLE
|
|
bool "Enable SX1509 LED Support"
|
|
default n
|
|
select IOEXPANDER_LED_ENABLE
|
|
---help---
|
|
Enable driver LED functionality
|
|
|
|
config SX1509_INT_NCALLBACKS
|
|
int "Max number of interrupt callbacks"
|
|
default 4
|
|
depends on SX1509_INT_ENABLE
|
|
---help---
|
|
This is the maximum number of interrupt callbacks supported
|
|
|
|
config SX1509_RETRY
|
|
bool "Retry to send commands and data at I2C communication errors"
|
|
default n
|
|
---help---
|
|
Retry to send commands and data if a I2C-communication
|
|
error occurs (eg. caused by EMC).
|
|
|
|
endif # IOEXPANDER_SX1509
|
|
|
|
config IOEXPANDER_INT_ENABLE
|
|
bool
|
|
default n
|
|
---help---
|
|
This is the global INT supported flag for io expanders
|
|
|
|
config IOEXPANDER_LED_ENABLE
|
|
bool
|
|
default n
|
|
select USERLED
|
|
---help---
|
|
This is the global LED supported flag for io expanders
|
|
|
|
config IOEXPANDER_NPINS
|
|
int "Number of pins"
|
|
default 16
|
|
---help---
|
|
Maximum number of pins supported per driver.
|
|
|
|
config IOEXPANDER_MULTIPIN
|
|
bool "Support multi-pin access routines"
|
|
default n
|
|
---help---
|
|
This settings enable the definition of routines for
|
|
optimized simultaneous access to multiple pins.
|
|
|
|
endif # IOEXPANDER
|
|
|
|
config DEV_GPIO
|
|
bool "GPIO driver"
|
|
default n
|
|
---help---
|
|
Enables a simple GPIO input/output driver to support application-
|
|
space testing of hardware.
|
|
|
|
config DEV_GPIO_NSIGNALS
|
|
int "Max number of signals"
|
|
default 1
|
|
depends on DEV_GPIO
|
|
---help---
|
|
The maximum number of signals that can be registered with the GPIO
|
|
driver
|
|
|
|
config GPIO_LOWER_HALF
|
|
bool "GPIO Lower Half"
|
|
default n
|
|
depends on DEV_GPIO && IOEXPANDER
|
|
---help---
|
|
Enable support for a lower half driver that provides GPIO driver
|
|
support for I/O expander pins.
|
|
|
|
if GPIO_LOWER_HALF
|
|
|
|
config GPIO_LOWER_HALF_INTTYPE
|
|
int "default interrupt type for GPIO_INTERRUPT_PIN pintype"
|
|
default 14
|
|
---help---
|
|
This is the default interrupt type (IOEXPANDER_VAL_BOTH) for
|
|
GPIO_INTERRUPT_PIN pintype in gplf driver register.
|
|
|
|
endif
|
|
|
|
endmenu # IO Expander/GPIO Support
|