diff --git a/touchpad.c b/touchpad.c
index 1430387d..6f786f77 100644
--- a/touchpad.c
+++ b/touchpad.c
@@ -12,8 +12,8 @@ static const SPIConfig spicfg = {
 	SPI_CR1_SPE | SPI_CR1_BR_2 | SPI_CR1_BR_1 | SPI_CR1_BR_0,
 };
 
-void tpInit(void) {
-	spiStart(&SPID1, &spicfg);	
+void tpInit(SPIDriver *spip) {
+	spiStart(spip, &spicfg);	
 }
 
 static __inline uint16_t readX(void) {
diff --git a/touchpad.h b/touchpad.h
index e6fbcb50..97efb09d 100644
--- a/touchpad.h
+++ b/touchpad.h
@@ -19,11 +19,11 @@ volatile struct cal {
 /*
  * Description: initializes touchpad (SPI)
  *
- * param: none
+ * param: SPI driver
  *
  * return: none
  */
-void tpInit(void);
+void tpInit(SPIDriver *spip);
 
 /*
  * Description: reads out PEN_IRQ from touchpad controller