diff --git a/firmware/application/clock_manager.cpp b/firmware/application/clock_manager.cpp
index 555eb09bc..594860f44 100644
--- a/firmware/application/clock_manager.cpp
+++ b/firmware/application/clock_manager.cpp
@@ -419,7 +419,11 @@ std::string ClockManager::get_freq() {
            to_string_dec_uint((reference.frequency % 1000000) / 100, 4, '0') + " MHz";
 }
 
-static void portapack_tcxo_enable() {
+void ClockManager::portapack_tcxo_enable() {
+#ifdef PRALINE
+    gpio_control::clkin_ctrl.setActive();
+    set_p1_control(P1_Function::P22_ClkIn);
+#endif
     portapack::io.reference_oscillator(true);
 
     /* Delay >10ms at 96MHz clock speed for reference oscillator to start. */
@@ -428,7 +432,10 @@ static void portapack_tcxo_enable() {
     while (delay--);
 }
 
-static void portapack_tcxo_disable() {
+void ClockManager::portapack_tcxo_disable() {
+#ifdef PRALINE
+    gpio_control::clkin_ctrl.setInactive();
+#endif
     portapack::io.reference_oscillator(false);
 }
 
diff --git a/firmware/application/clock_manager.hpp b/firmware/application/clock_manager.hpp
index e83ba510e..caa6edab2 100644
--- a/firmware/application/clock_manager.hpp
+++ b/firmware/application/clock_manager.hpp
@@ -116,6 +116,9 @@ class ClockManager {
 
     void enable_clock_output(bool enable);
 
+    void portapack_tcxo_enable();
+    void portapack_tcxo_disable();
+
    private:
     I2C& i2c0;
     si5351::Si5351& clock_generator;
diff --git a/firmware/common/gpio.hpp b/firmware/common/gpio.hpp
index 477d20965..3b3ad178a 100644
--- a/firmware/common/gpio.hpp
+++ b/firmware/common/gpio.hpp
@@ -361,8 +361,8 @@ constexpr PinMap map_p1_ctrl0{2, 10, 0, 14, 0};  // SCU: 2, 10 | GPIO: 0, 14
 constexpr PinMap map_p1_ctrl1{6, 8, 5, 16, 4};
 constexpr PinMap map_p1_ctrl2{6, 9, 3, 5, 0};
 
-constexpr PinMap map_p2_ctrl0{8, 3, 7, 3, 4};
-constexpr PinMap map_p2_ctrl1{8, 4, 7, 4, 4};
+constexpr PinMap map_p2_ctrl0{8, 3, 7, 3, 0};
+constexpr PinMap map_p2_ctrl1{8, 4, 7, 4, 0};
 
 constexpr PinMap map_trigger_out{2, 6, 5, 6, 4};
 constexpr PinMap map_trigger_in{13, 12, 6, 26, 4};