diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
index 57cac44..0adf143 100644
--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -575,6 +575,14 @@
 	   _ Optional clock stretching
 	   _ Software reset
 
+config SYS_I2C_SUN6I_P2WI
+	bool "Allwinner sun6i P2WI controller"
+	depends on ARCH_SUNXI
+	help
+	  Support for the P2WI (Push/Pull 2 Wire Interface) controller embedded
+	  in the Allwinner A31 and A31s SOCs. This interface is used to connect
+	  to specific devices like the X-Powers AXP221 PMIC.
+
 config SYS_I2C_SYNQUACER
 	bool "Socionext SynQuacer I2C controller"
 	depends on ARCH_SYNQUACER && DM_I2C