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 RTC_CLASS 22 select GPIOLIB_IRQCHIP 23 help 24 Say Y here to add support for the features implemented by the 25 microcontroller on the CZ.NIC's Turris Omnia SOHO router. 26 The features include: 27 - board poweroff into true low power mode (with voltage regulators 28 disabled) and the ability to configure wake up from this mode (via 29 rtcwake) 30 - GPIO pins 31 - to get front button press events (the front button can be 32 configured either to generate press events to the CPU or to change 33 front LEDs panel brightness) 34 - to enable / disable USB port voltage regulators and to detect 35 USB overcurrent 36 - to detect MiniPCIe / mSATA card presence in MiniPCIe port 0 37 - to configure resets of various peripherals on board revisions 32+ 38 - to enable / disable the VHV voltage regulator to the SOC in order 39 to be able to program SOC's OTP on board revisions 32+ 40 - to get input from the LED output pins of the WAN ethernet PHY, LAN 41 switch and MiniPCIe ports 42 Other features can be enabled by subsequent config options. 43 To compile this driver as a module, choose M here; the module will be 44 called turris-omnia-mcu. 45 46if TURRIS_OMNIA_MCU 47 48config TURRIS_OMNIA_MCU_WATCHDOG 49 bool "Turris Omnia MCU watchdog" 50 default y 51 depends on WATCHDOG 52 select WATCHDOG_CORE 53 help 54 Say Y here to add support for watchdog provided by CZ.NIC's Turris 55 Omnia MCU. 56 57config TURRIS_OMNIA_MCU_TRNG 58 bool "Turris Omnia MCU true random number generator" 59 default y 60 depends on HW_RANDOM 61 help 62 Say Y here to add support for the true random number generator 63 provided by CZ.NIC's Turris Omnia MCU. 64 65endif # TURRIS_OMNIA_MCU 66 67endif # CZNIC_PLATFORMS 68