1 files changed, 8 insertions, 1 deletions

diff --git a/drivers/chibios/i2c_master.h b/drivers/chibios/i2c_master.h
index 3d3891289..b3e234e16 100644
--- a/drivers/chibios/i2c_master.h
+++ b/drivers/chibios/i2c_master.h
@@ -81,7 +81,14 @@
 #    define I2C_DRIVER I2CD1
 #endif
 
-#ifndef USE_GPIOV1
+#ifdef USE_GPIOV1
+#    ifndef I2C1_SCL_PAL_MODE
+#        define I2C1_SCL_PAL_MODE PAL_MODE_STM32_ALTERNATE_OPENDRAIN
+#    endif
+#    ifndef I2C1_SDA_PAL_MODE
+#        define I2C1_SDA_PAL_MODE PAL_MODE_STM32_ALTERNATE_OPENDRAIN
+#    endif
+#else
 // The default PAL alternate modes are used to signal that the pins are used for I2C
 #    ifndef I2C1_SCL_PAL_MODE
 #        define I2C1_SCL_PAL_MODE 4