1# SPDX-License-Identifier: GPL-2.0-only 2# 3# For a description of the syntax of this configuration file, 4# see Documentation/kbuild/kconfig-language.rst. 5# 6 7menuconfig CZNIC_PLATFORMS 8 bool "Platform support for CZ.NIC's Turris hardware" 9 depends on ARCH_MVEBU || COMPILE_TEST 10 help 11 Say Y here to be able to choose driver support for CZ.NIC's Turris 12 devices. This option alone does not add any kernel code. 13 14if CZNIC_PLATFORMS 15 16config TURRIS_OMNIA_MCU 17 tristate "Turris Omnia MCU driver" 18 depends on MACH_ARMADA_38X || COMPILE_TEST 19 depends on I2C 20 help 21 Say Y here to add support for the features implemented by the 22 microcontroller on the CZ.NIC's Turris Omnia SOHO router. 23 This option only enables the core part of the driver. Specific 24 features can be enabled by subsequent config options. 25 To compile this driver as a module, choose M here; the module will be 26 called turris-omnia-mcu. 27 28if TURRIS_OMNIA_MCU 29 30config TURRIS_OMNIA_MCU_GPIO 31 bool "Turris Omnia MCU GPIOs" 32 default y 33 depends on GPIOLIB 34 depends on OF 35 select GPIOLIB_IRQCHIP 36 help 37 Say Y here to add support for controlling MCU GPIO pins and receiving 38 MCU interrupts on CZ.NIC's Turris Omnia. 39 This enables you to 40 - get front button press events (the front button can be configured 41 either to generate press events to the CPU or to change front LEDs 42 panel brightness), 43 - enable / disable USB port voltage regulators and to detect USB 44 overcurrent, 45 - detect MiniPCIe / mSATA card presence in MiniPCIe port 0, 46 - configure resets of various peripherals on board revisions 32+, 47 - enable / disable the VHV voltage regulator to the SOC in order to be 48 able to program SOC's OTP on board revisions 32+, 49 - get input from the LED output pins of the WAN ethernet PHY, LAN 50 switch and MiniPCIe ports. 51 52config TURRIS_OMNIA_MCU_SYSOFF_WAKEUP 53 bool "Turris Omnia MCU system off and RTC wakeup" 54 default y 55 depends on RTC_CLASS 56 help 57 Say Y here to add support for CZ.NIC's Turris Omnia board poweroff 58 into true low power mode (with voltage regulators disabled) and the 59 ability to configure wake up from this mode (via rtcwake). 60 61config TURRIS_OMNIA_MCU_WATCHDOG 62 bool "Turris Omnia MCU watchdog" 63 default y 64 depends on WATCHDOG 65 select WATCHDOG_CORE 66 help 67 Say Y here to add support for watchdog provided by CZ.NIC's Turris 68 Omnia MCU. 69 70config TURRIS_OMNIA_MCU_TRNG 71 bool "Turris Omnia MCU true random number generator" 72 default y 73 depends on TURRIS_OMNIA_MCU_GPIO 74 depends on HW_RANDOM=y || HW_RANDOM=TURRIS_OMNIA_MCU 75 help 76 Say Y here to add support for the true random number generator 77 provided by CZ.NIC's Turris Omnia MCU. 78 79endif # TURRIS_OMNIA_MCU 80 81endif # CZNIC_PLATFORMS 82