[AVR32] add multidrive support for pio driver
This patch add multidrive support for pio driver
Signed-off-by: Matteo Vit - Dave S.r.l. <matteo.vit@dave.eu>
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
diff --git a/arch/avr32/mach-at32ap/pio.c b/arch/avr32/mach-at32ap/pio.c
index 1eb99b8..d61a02d 100644
--- a/arch/avr32/mach-at32ap/pio.c
+++ b/arch/avr32/mach-at32ap/pio.c
@@ -110,6 +110,10 @@
pio_writel(pio, SODR, mask);
else
pio_writel(pio, CODR, mask);
+ if (flags & AT32_GPIOF_MULTIDRV)
+ pio_writel(pio, MDER, mask);
+ else
+ pio_writel(pio, MDDR, mask);
pio_writel(pio, PUDR, mask);
pio_writel(pio, OER, mask);
} else {
diff --git a/include/asm-avr32/arch-at32ap/portmux.h b/include/asm-avr32/arch-at32ap/portmux.h
index 9930871..b1abe6b 100644
--- a/include/asm-avr32/arch-at32ap/portmux.h
+++ b/include/asm-avr32/arch-at32ap/portmux.h
@@ -19,6 +19,7 @@
#define AT32_GPIOF_OUTPUT 0x00000002 /* (OUT) Enable output driver */
#define AT32_GPIOF_HIGH 0x00000004 /* (OUT) Set output high */
#define AT32_GPIOF_DEGLITCH 0x00000008 /* (IN) Filter glitches */
+#define AT32_GPIOF_MULTIDRV 0x00000010 /* Enable multidriver option */
void at32_select_periph(unsigned int pin, unsigned int periph,
unsigned long flags);