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 help 20 Say Y here to add support for the features implemented by the 21 microcontroller on the CZ.NIC's Turris Omnia SOHO router. 22 This option only enables the core part of the driver. Specific 23 features can be enabled by subsequent config options. 24 To compile this driver as a module, choose M here; the module will be 25 called turris-omnia-mcu. 26 27if TURRIS_OMNIA_MCU 28 29config TURRIS_OMNIA_MCU_GPIO 30 bool "Turris Omnia MCU GPIOs" 31 default y 32 depends on GPIOLIB 33 depends on OF 34 select GPIOLIB_IRQCHIP 35 help 36 Say Y here to add support for controlling MCU GPIO pins and receiving 37 MCU interrupts on CZ.NIC's Turris Omnia. 38 This enables you to 39 - get front button press events (the front button can be configured 40 either to generate press events to the CPU or to change front LEDs 41 panel brightness), 42 - enable / disable USB port voltage regulators and to detect USB 43 overcurrent, 44 - detect MiniPCIe / mSATA card presence in MiniPCIe port 0, 45 - configure resets of various peripherals on board revisions 32+, 46 - enable / disable the VHV voltage regulator to the SOC in order to be 47 able to program SOC's OTP on board revisions 32+, 48 - get input from the LED output pins of the WAN ethernet PHY, LAN 49 switch and MiniPCIe ports. 50 51config TURRIS_OMNIA_MCU_SYSOFF_WAKEUP 52 bool "Turris Omnia MCU system off and RTC wakeup" 53 default y 54 depends on RTC_CLASS 55 help 56 Say Y here to add support for CZ.NIC's Turris Omnia board poweroff 57 into true low power mode (with voltage regulators disabled) and the 58 ability to configure wake up from this mode (via rtcwake). 59 60config TURRIS_OMNIA_MCU_WATCHDOG 61 bool "Turris Omnia MCU watchdog" 62 default y 63 depends on WATCHDOG 64 select WATCHDOG_CORE 65 help 66 Say Y here to add support for watchdog provided by CZ.NIC's Turris 67 Omnia MCU. 68 69config TURRIS_OMNIA_MCU_TRNG 70 bool "Turris Omnia MCU true random number generator" 71 default y 72 depends on TURRIS_OMNIA_MCU_GPIO 73 depends on HW_RANDOM=y || HW_RANDOM=TURRIS_OMNIA_MCU 74 help 75 Say Y here to add support for the true random number generator 76 provided by CZ.NIC's Turris Omnia MCU. 77 78endif # TURRIS_OMNIA_MCU 79 80endif # CZNIC_PLATFORMS 81