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 help 10 Say Y here to be able to choose driver support for CZ.NIC's Turris 11 devices. This option alone does not add any kernel code. 12 13if CZNIC_PLATFORMS 14 15config TURRIS_OMNIA_MCU 16 tristate "Turris Omnia MCU driver" 17 depends on MACH_ARMADA_38X || COMPILE_TEST 18 depends on I2C 19 depends on OF 20 depends on GPIOLIB 21 depends on HW_RANDOM 22 depends on RTC_CLASS 23 select GPIOLIB_IRQCHIP 24 help 25 Say Y here to add support for the features implemented by the 26 microcontroller on the CZ.NIC's Turris Omnia SOHO router. 27 The features include: 28 - board poweroff into true low power mode (with voltage regulators 29 disabled) and the ability to configure wake up from this mode (via 30 rtcwake) 31 - true random number generator (if available on the MCU) 32 - GPIO pins 33 - to get front button press events (the front button can be 34 configured either to generate press events to the CPU or to change 35 front LEDs panel brightness) 36 - to enable / disable USB port voltage regulators and to detect 37 USB overcurrent 38 - to detect MiniPCIe / mSATA card presence in MiniPCIe port 0 39 - to configure resets of various peripherals on board revisions 32+ 40 - to enable / disable the VHV voltage regulator to the SOC in order 41 to be able to program SOC's OTP on board revisions 32+ 42 - to get input from the LED output pins of the WAN ethernet PHY, LAN 43 switch and MiniPCIe ports 44 Other features can be enabled by subsequent config options. 45 To compile this driver as a module, choose M here; the module will be 46 called turris-omnia-mcu. 47 48if TURRIS_OMNIA_MCU 49 50config TURRIS_OMNIA_MCU_WATCHDOG 51 bool "Turris Omnia MCU watchdog" 52 default y 53 depends on WATCHDOG 54 select WATCHDOG_CORE 55 help 56 Say Y here to add support for watchdog provided by CZ.NIC's Turris 57 Omnia MCU. 58 59endif # TURRIS_OMNIA_MCU 60 61endif # CZNIC_PLATFORMS 62