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authorMatteo Vit <matteo.vit@dave.eu>2007-08-09 14:55:34 +0200
committerHaavard Skinnemoen <hskinnemoen@atmel.com>2007-10-11 11:38:41 +0200
commit7808fa4853728a776d7e76d68fb406f515a4119c (patch)
tree815245c239af653a61382acf15b19cfde2c351c5
parentd938b89392bd3ff64e0610d8c4e0d3f7091d98db (diff)
downloadop-kernel-dev-7808fa4853728a776d7e76d68fb406f515a4119c.zip
op-kernel-dev-7808fa4853728a776d7e76d68fb406f515a4119c.tar.gz
[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>
-rw-r--r--arch/avr32/mach-at32ap/pio.c4
-rw-r--r--include/asm-avr32/arch-at32ap/portmux.h1
2 files changed, 5 insertions, 0 deletions
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 @@ void __init at32_select_gpio(unsigned int pin, unsigned long flags)
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);
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