diff --git a/components/axp2101/axp2101.cpp b/components/axp2101/axp2101.cpp
index 7bd96ac..a3e904f 100644
--- a/components/axp2101/axp2101.cpp
+++ b/components/axp2101/axp2101.cpp
@@ -21,9 +21,12 @@
 bool  pmu_flag = 0;
 XPowersPMU PMU;
 
-const uint8_t i2c_sda = CONFIG_PMU_SDA;
-const uint8_t i2c_scl = CONFIG_PMU_SCL;
+//const uint8_t i2c_sda = CONFIG_PMU_SDA;
+//const uint8_t i2c_scl = CONFIG_PMU_SCL;
+#ifdef USE_ARDUINO
+// TODO: Use esphome APIs (to allow I/O expanders, etc)
 const uint8_t pmu_irq_pin = CONFIG_PMU_IRQ;
+#endif
 
 void setFlag(void)
 {
@@ -249,8 +252,12 @@ void AXP2101Component::setup()
 
 
     // Force add pull-up
+#ifdef USE_ARDUINO
     pinMode(pmu_irq_pin, INPUT_PULLUP);
     attachInterrupt(pmu_irq_pin, setFlag, FALLING);
+#else
+#warning "IRQ support not ready in ESP-IDF" // TODO
+#endif
 
 
     // Disable all interrupts