diff options
Diffstat (limited to 'drivers/gpio/Kconfig')
| -rw-r--r-- | drivers/gpio/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 2f2a3b86b985..bf48c74ba4a0 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -444,6 +444,17 @@ config GPIO_ADP5588_IRQ Say yes here to enable the adp5588 to be used as an interrupt controller. It requires the driver to be built in the kernel. +config GPIO_ADNP + tristate "Avionic Design N-bit GPIO expander" + depends on I2C && OF + help + This option enables support for N GPIOs found on Avionic Design + I2C GPIO expanders. The register space will be extended by powers + of two, so the controller will need to accomodate for that. For + example: if a controller provides 48 pins, 6 registers will be + enough to represent all pins, but the driver will assume a + register layout for 64 pins (8 registers). + comment "PCI GPIO expanders:" config GPIO_CS5535 |