periph/gpio: Model TAMPER_WAKE for kconfig

cpu/sam0_common/periph/Kconfig

@@ -18,7 +18,7 @@ config MODULE_SAM0_COMMON_PERIPH
 
 config MODULE_PERIPH_RTC_RTT
     bool
-    default y if MODULE_PERIPH_RTT || MODULE_PERIPH_RTC
+    default y if MODULE_PERIPH_RTT || MODULE_PERIPH_RTC || MODULE_PERIPH_GPIO_TAMPER_WAKE
 
 config MODULE_PERIPH_UART_NONBLOCKING
     depends on HAS_PERIPH_UART_NONBLOCKING

drivers/periph_common/Kconfig.gpio

@@ -29,7 +29,15 @@ config MODULE_PERIPH_GPIO_FAST_READ
         This trades an increase in power consumption for a decrease in GPIO pin
         read latency.
 
-# TODO: this module is actually just an artifact from the way periph_init_%
+config MODULE_PERIPH_GPIO_TAMPER_WAKE
+    bool "enable wake from Deep Sleep by RTC tamper pins"
+    depends on HAS_PERIPH_GPIO_TAMPER_WAKE
+    help
+        If you enable this, a RTC tamper pin that has been configured as an
+        interrupt can wake the CPU from Deep Sleep. Only RTC tamper pins
+        (and the RTC alarm) can wake the CPU from Deep Sleep.
+
+# TODO: this module is actually jus  t an artifact from the way periph_init_%
 # modules are handled in Makefile. We need to define it to keep the list the
 # same for now. We should be able to remove it later on.
 
@@ -43,6 +51,11 @@ config MODULE_PERIPH_INIT_GPIO_FAST_READ
     default y if MODULE_PERIPH_INIT
     depends on MODULE_PERIPH_GPIO_FAST_READ
 
+config MODULE_PERIPH_INIT_GPIO_TAMPER_WAKE
+    bool "Auto initialize tamper detection"
+    default y if MODULE_PERIPH_INIT
+    depends on MODULE_PERIPH_GPIO_TAMPER_WAKE
+
 endif # MODULE_PERIPH_GPIO
 
 osource "$(RIOTCPU)/$(CPU)/periph/Kconfig.gpio"

tests/periph_gpio/Kconfig

@@ -10,4 +10,5 @@ config APPLICATION
     default y
     imply MODULE_PERIPH_GPIO_IRQ
     imply MODULE_PERIPH_GPIO_FAST_READ
+    imply MODULE_PERIPH_GPIO_TAMPER_WAKE
     depends on TEST_KCONFIG