aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-ep93xx/core.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-ep93xx/core.c')
-rw-r--r--arch/arm/mach-ep93xx/core.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index 4cb55d3..ffdf87b 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -776,9 +776,15 @@ static struct platform_device ep93xx_i2s_device = {
.resource = ep93xx_i2s_resource,
};
+static struct platform_device ep93xx_pcm_device = {
+ .name = "ep93xx-pcm-audio",
+ .id = -1,
+};
+
void __init ep93xx_register_i2s(void)
{
platform_device_register(&ep93xx_i2s_device);
+ platform_device_register(&ep93xx_pcm_device);
}
#define EP93XX_SYSCON_DEVCFG_I2S_MASK (EP93XX_SYSCON_DEVCFG_I2SONSSP | \
@@ -826,6 +832,40 @@ void ep93xx_i2s_release(void)
}
EXPORT_SYMBOL(ep93xx_i2s_release);
+/*************************************************************************
+ * EP93xx AC97 audio peripheral handling
+ *************************************************************************/
+static struct resource ep93xx_ac97_resources[] = {
+ {
+ .start = EP93XX_AAC_PHYS_BASE,
+ .end = EP93XX_AAC_PHYS_BASE + 0xb0 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_EP93XX_AACINTR,
+ .end = IRQ_EP93XX_AACINTR,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device ep93xx_ac97_device = {
+ .name = "ep93xx-ac97",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(ep93xx_ac97_resources),
+ .resource = ep93xx_ac97_resources,
+};
+
+void __init ep93xx_register_ac97(void)
+{
+ /*
+ * Make sure that the AC97 pins are not used by I2S.
+ */
+ ep93xx_devcfg_clear_bits(EP93XX_SYSCON_DEVCFG_I2SONAC97);
+
+ platform_device_register(&ep93xx_ac97_device);
+ platform_device_register(&ep93xx_pcm_device);
+}
+
extern void ep93xx_gpio_init(void);
void __init ep93xx_init_devices(void)