imx233/fuze+: add pin irq support

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30195 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 7 insertions, 0 deletions

diff --git a/firmware/target/arm/imx233/pinctrl-imx233.h b/firmware/target/arm/imx233/pinctrl-imx233.h
index a2e02adec4..ec23410442 100644
--- a/firmware/target/arm/imx233/pinctrl-imx233.h
+++ b/firmware/target/arm/imx233/pinctrl-imx233.h
@@ -51,6 +51,8 @@
 #define PINCTRL_DRIVE_12mA      2
 #define PINCTRL_DRIVE_16mA      3 /* not available on all pins */
 
+typedef void (*pin_irq_cb_t)(int bank, int pin);
+
 static inline void imx233_pinctrl_init(void)
 {
     __REG_CLR(HW_PINCTRL_CTRL) = __BLOCK_CLKGATE | __BLOCK_SFTRST;
@@ -121,4 +123,9 @@ static inline void imx233_enable_pin_pullup_mask(unsigned bank, uint32_t pin_msk
         __REG_CLR(HW_PINCTRL_PULL(bank)) = pin_msk;
 }
 
+/** On irq, the pin irq interrupt is disable and then cb is called;
+ * the setup_pin_irq function needs to be called again to enable it again */
+void imx233_setup_pin_irq(int bank, int pin, bool enable_int,
+    bool level, bool polarity, pin_irq_cb_t cb);
+
 #endif /* __PINCTRL_IMX233_H__ */