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# SPDX-License-Identifier: GPL-2.0-only
#
# For a description of the syntax of this configuration file,
# see Documentation/kbuild/kconfig-language.rst.
#
menuconfig CZNIC_PLATFORMS
bool "Platform support for CZ.NIC's Turris hardware"
help
Say Y here to be able to choose driver support for CZ.NIC's Turris
devices. This option alone does not add any kernel code.
if CZNIC_PLATFORMS
config TURRIS_OMNIA_MCU
tristate "Turris Omnia MCU driver"
depends on MACH_ARMADA_38X || COMPILE_TEST
depends on I2C
help
Say Y here to add support for the features implemented by the
microcontroller on the CZ.NIC's Turris Omnia SOHO router.
This option only enables the core part of the driver. Specific
features can be enabled by subsequent config options.
To compile this driver as a module, choose M here; the module will be
called turris-omnia-mcu.
if TURRIS_OMNIA_MCU
config TURRIS_OMNIA_MCU_GPIO
bool "Turris Omnia MCU GPIOs"
default y
depends on GPIOLIB
depends on OF
select GPIOLIB_IRQCHIP
help
Say Y here to add support for controlling MCU GPIO pins and receiving
MCU interrupts on CZ.NIC's Turris Omnia.
This enables you to
- get front button press events (the front button can be configured
either to generate press events to the CPU or to change front LEDs
panel brightness),
- enable / disable USB port voltage regulators and to detect USB
overcurrent,
- detect MiniPCIe / mSATA card presence in MiniPCIe port 0,
- configure resets of various peripherals on board revisions 32+,
- enable / disable the VHV voltage regulator to the SOC in order to be
able to program SOC's OTP on board revisions 32+,
- get input from the LED output pins of the WAN ethernet PHY, LAN
switch and MiniPCIe ports.
config TURRIS_OMNIA_MCU_SYSOFF_WAKEUP
bool "Turris Omnia MCU system off and RTC wakeup"
default y
depends on RTC_CLASS
help
Say Y here to add support for CZ.NIC's Turris Omnia board poweroff
into true low power mode (with voltage regulators disabled) and the
ability to configure wake up from this mode (via rtcwake).
config TURRIS_OMNIA_MCU_WATCHDOG
bool "Turris Omnia MCU watchdog"
default y
depends on WATCHDOG
select WATCHDOG_CORE
help
Say Y here to add support for watchdog provided by CZ.NIC's Turris
Omnia MCU.
config TURRIS_OMNIA_MCU_TRNG
bool "Turris Omnia MCU true random number generator"
default y
depends on TURRIS_OMNIA_MCU_GPIO
depends on HW_RANDOM=y || HW_RANDOM=TURRIS_OMNIA_MCU
help
Say Y here to add support for the true random number generator
provided by CZ.NIC's Turris Omnia MCU.
endif # TURRIS_OMNIA_MCU
endif # CZNIC_PLATFORMS
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