3 files changed, 4 insertions, 2 deletions
diff --git a/platforms/chibios/boards/QMK_PM2040/configs/config.h b/platforms/chibios/boards/QMK_PM2040/configs/config.h
index 8c773f8b19..ec85ae0cf4 100644
--- a/platforms/chibios/boards/QMK_PM2040/configs/config.h
+++ b/platforms/chibios/boards/QMK_PM2040/configs/config.h
@@ -4,7 +4,7 @@
 #pragma once
 
 #ifndef I2C_DRIVER
-#    define I2C_DRIVER I2CD2
+#    define I2C_DRIVER I2CD1
 #endif
 #ifndef I2C1_SDA_PIN
 #    define I2C1_SDA_PIN D1
diff --git a/platforms/chibios/boards/QMK_PM2040/configs/halconf.h b/platforms/chibios/boards/QMK_PM2040/configs/halconf.h
index d7a58f0ea6..131386bc34 100644
--- a/platforms/chibios/boards/QMK_PM2040/configs/halconf.h
+++ b/platforms/chibios/boards/QMK_PM2040/configs/halconf.h
@@ -3,6 +3,7 @@
 
 #pragma once
 
+#define HAL_USE_ADC TRUE
 #define HAL_USE_I2C TRUE
 #define HAL_USE_SPI TRUE
 
diff --git a/platforms/chibios/boards/QMK_PM2040/configs/mcuconf.h b/platforms/chibios/boards/QMK_PM2040/configs/mcuconf.h
index e33d6d785f..f19f08e93c 100644
--- a/platforms/chibios/boards/QMK_PM2040/configs/mcuconf.h
+++ b/platforms/chibios/boards/QMK_PM2040/configs/mcuconf.h
@@ -46,6 +46,7 @@
 #define RP_IRQ_TIMER_ALARM1_PRIORITY        2
 #define RP_IRQ_TIMER_ALARM2_PRIORITY        2
 #define RP_IRQ_TIMER_ALARM3_PRIORITY        2
+#define RP_IRQ_ADC1_PRIORITY                3
 #define RP_IRQ_UART0_PRIORITY               3
 #define RP_IRQ_UART1_PRIORITY               3
 #define RP_IRQ_SPI0_PRIORITY                2
@@ -57,7 +58,7 @@
 /*
  * ADC driver system settings.
  */
-#define RP_ADC_USE_ADC1                     FALSE
+#define RP_ADC_USE_ADC1                     TRUE
 
 /*
  * SIO driver system settings.