ARM: OMAP4: devices: Register OMAP4 DMIC platform device

Add platform device registration for OMAP4 DMIC.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index c15cfada5f13..35d5dffab7e1 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -336,6 +336,27 @@ static void omap_init_mcpdm(void)
 static inline void omap_init_mcpdm(void) {}
 #endif
 
+#if defined(CONFIG_SND_OMAP_SOC_DMIC) || \
+                defined(CONFIG_SND_OMAP_SOC_DMIC_MODULE)
+
+static void omap_init_dmic(void)
+{
+        struct omap_hwmod *oh;
+        struct platform_device *pdev;
+
+        oh = omap_hwmod_lookup("dmic");
+        if (!oh) {
+                printk(KERN_ERR "Could not look up mcpdm hw_mod\n");
+                return;
+        }
+
+        pdev = omap_device_build("omap-dmic", -1, oh, NULL, 0, NULL, 0, 0);
+        WARN(IS_ERR(pdev), "Can't build omap_device for omap-dmic.\n");
+}
+#else
+static inline void omap_init_dmic(void) {}
+#endif
+
 #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)
 
 #include <plat/mcspi.h>
@@ -681,6 +702,7 @@ static int __init omap2_init_devices(void)
          */
         omap_init_audio();
         omap_init_mcpdm();
+        omap_init_dmic();
         omap_init_camera();
         omap_init_mbox();
         omap_init_mcspi();