| Kconfig (a5a64498c194c82ecad3a2d67cff6231cda8d3dd) | Kconfig (0bcb6069a6e1af5c114a2a8873ec43ada8933596) |
|---|---|
| 1# 2# GPIO infrastructure and expanders 3# 4 5config ARCH_WANT_OPTIONAL_GPIOLIB 6 bool 7 help 8 Select this config option from the architecture Kconfig, if --- 51 unchanged lines hidden (view full) --- 60 custom patches. In those cases, userspace code may import 61 a given GPIO from the kernel, if no kernel driver requested it. 62 63 Kernel drivers may also request that a particular GPIO be 64 exported to userspace; this can be useful when debugging. 65 66# put expanders in the right section, in alphabetical order 67 | 1# 2# GPIO infrastructure and expanders 3# 4 5config ARCH_WANT_OPTIONAL_GPIOLIB 6 bool 7 help 8 Select this config option from the architecture Kconfig, if --- 51 unchanged lines hidden (view full) --- 60 custom patches. In those cases, userspace code may import 61 a given GPIO from the kernel, if no kernel driver requested it. 62 63 Kernel drivers may also request that a particular GPIO be 64 exported to userspace; this can be useful when debugging. 65 66# put expanders in the right section, in alphabetical order 67 |
| 68comment "Memory mapped GPIO expanders:" 69 70config GPIO_XILINX 71 bool "Xilinx GPIO support" 72 depends on PPC_OF 73 help 74 Say yes here to support the Xilinx FPGA GPIO device 75 |
|
| 68comment "I2C GPIO expanders:" 69 70config GPIO_MAX732X 71 tristate "MAX7319, MAX7320-7327 I2C Port Expanders" 72 depends on I2C 73 help 74 Say yes here to support the MAX7319, MAX7320-7327 series of I2C 75 Port Expanders. Each IO port on these chips has a fixed role of --- 95 unchanged lines hidden --- | 76comment "I2C GPIO expanders:" 77 78config GPIO_MAX732X 79 tristate "MAX7319, MAX7320-7327 I2C Port Expanders" 80 depends on I2C 81 help 82 Say yes here to support the MAX7319, MAX7320-7327 series of I2C 83 Port Expanders. Each IO port on these chips has a fixed role of --- 95 unchanged lines hidden --- |