diff options
Diffstat (limited to 'drivers/platform/x86/Kconfig')
| -rw-r--r-- | drivers/platform/x86/Kconfig | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index 8489020ecf44..a3ccc3c795a5 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -794,6 +794,25 @@ config INTEL_CHT_INT33FE This driver instantiates i2c-clients for these, so that standard i2c drivers for these chips can bind to the them. +config INTEL_INT0002_VGPIO + tristate "Intel ACPI INT0002 Virtual GPIO driver" + depends on GPIOLIB && ACPI + select GPIOLIB_IRQCHIP + ---help--- + Some peripherals on Bay Trail and Cherry Trail platforms signal a + Power Management Event (PME) to the Power Management Controller (PMC) + to wakeup the system. When this happens software needs to explicitly + clear the PME bus 0 status bit in the GPE0a_STS register to avoid an + IRQ storm on IRQ 9. + + This is modelled in ACPI through the INT0002 ACPI device, which is + called a "Virtual GPIO controller" in ACPI because it defines the + event handler to call when the PME triggers through _AEI and _L02 + methods as would be done for a real GPIO interrupt in ACPI. + + To compile this driver as a module, choose M here: the module will + be called intel_int0002_vgpio. + config INTEL_HID_EVENT tristate "INTEL HID Event" depends on ACPI |