ARM: 6141/1: Add audio support part in arch/arm/mach-w90x900
Add audio support part in arch/arm/mach-w90x900
Signed-off-by: Wan ZongShun<mcuos.com@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-w90x900/mfp.c b/arch/arm/mach-w90x900/mfp.c
index a47dc9a..fb7fb62 100644
--- a/arch/arm/mach-w90x900/mfp.c
+++ b/arch/arm/mach-w90x900/mfp.c
@@ -36,9 +36,12 @@
#define GPIOG0TO1 (0x03 << 14)
#define GPIOG2TO3 (0x03 << 16)
+#define GPIOG22TO23 (0x03 << 22)
+
#define ENSPI (0x0a << 14)
#define ENI2C0 (0x01 << 14)
#define ENI2C1 (0x01 << 16)
+#define ENAC97 (0x02 << 22)
static DEFINE_MUTEX(mfp_mutex);
@@ -146,6 +149,9 @@
} else if (strcmp(dev_id, "nuc900-i2c1") == 0) {
mfpen &= ~(GPIOG2TO3);
mfpen |= ENI2C1;/*enable i2c1*/
+ } else if (strcmp(dev_id, "nuc900-audio") == 0) {
+ mfpen &= ~(GPIOG22TO23);
+ mfpen |= ENAC97;/*enable AC97*/
} else {
mfpen &= ~(GPIOG0TO1 | GPIOG2TO3);/*GPIOG[3:0]*/
}